Composite chain mountain disaster monitoring network layout method and device and storage medium

Abstract

The invention discloses a composite chain mountain disaster monitoring network layout method and device and a storage medium. The method comprises the following steps: acquiring geological environment data of a target area; calculating the site selection height of the meteorological radar equipment; calculating the site selection position of the ground rainfall station; functional region division is carried out on the monitoring drainage basin to obtain mountain disaster monitoring functional regions, and the mountain disaster monitoring functional regions comprise a starting region, a conversion and circulation region and a deposition region; according to the disaster formation characteristics of the starting area, calculating the position of starting area equipment of the starting area monitoring equipment in the starting area; according to the disaster formation characteristics of the conversion circulation area, calculating the position of conversion circulation area equipment of the conversion circulation area monitoring equipment in the conversion circulation area; calculating the deposition area equipment position of the deposition area monitoring equipment in the deposition area according to the disaster formation characteristics of the deposition area; and performing monitoring network layout on the target mountain land to obtain a monitoring network layout result. According to the invention, the monitoring network layout is realized, and the monitoring accuracy and layout comprehensiveness are improved. The method can be applied to the technical field of geological disaster monitoring.

Description

Technical Field

[0001] The present invention relates to the technical field of geological disaster monitoring, and in particular to a composite chain mountain disaster monitoring network layout method, device and storage medium. Background Art

[0002] Driven by extreme weather, geological disasters present new characteristics of complex chain disasters in watersheds. The complex cluster disaster chain is not only the spatial aggregation of single landslides, but also has obvious linkage and cumulative effects. The complexity, concealment, occurrence, dynamic variability and spatiotemporal uncertainty of complex chain mountain disasters are more prominent, and it is necessary to identify the risk of disaster chains and accurately monitor potential hidden dangers. Traditional monitoring methods include monitoring methods such as rainfall, cracks, displacement, moisture content, and water level, but they are all single monitoring methods. The single monitoring of landslides or mudslides causes the disaster chain monitoring measures to be mismatched with the formation process of the disaster chain, and there are blind spots in hidden danger monitoring, low monitoring accuracy, and low comprehensiveness of the layout.

[0003] In summary, the technical problems existing in the relevant technologies need to be improved. Summary of the invention

[0004] The embodiments of the present invention provide a composite chain-generated mountain disaster monitoring network layout method, device and storage medium, which effectively improve the monitoring accuracy and layout comprehensiveness.

[0005] On the one hand, an embodiment of the present invention provides a composite chain mountain disaster monitoring network layout method, comprising the following steps:

[0006] Acquiring geological environment data of the target area, wherein the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data;

[0007] Calculate the height of the meteorological radar equipment site selection based on the geological environment data of the target area;

[0008] Calculate the location of the ground rainfall station according to the height of the meteorological radar equipment site selection;

[0009] According to the geological environment data of the target area, the monitoring basin is divided into functional areas to obtain the mountain disaster monitoring functional areas, and the mountain disaster monitoring functional areas include the starting area, the conversion flow area and the deposition area;

[0010] According to the disaster characteristics of the start-up area, the start-up area equipment position of the start-up area monitoring equipment is calculated in the start-up area, and the start-up area monitoring equipment includes a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor;

[0011] According to the characteristics of the transformation circulation area disaster, the transformation circulation area equipment position of the transformation circulation area monitoring equipment is calculated in the transformation circulation area, and the transformation circulation area monitoring equipment includes a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter;

[0012] According to the characteristics of the sedimentation area disaster, the sedimentation area equipment position of the sedimentation area monitoring equipment is calculated in the sedimentation area, and the sedimentation area monitoring equipment includes a flow measuring weir or a second video acquisition instrument;

[0013] According to the site selection height of the meteorological radar equipment, the site selection location of the ground rain gauge, the equipment location of the starting area, the equipment location of the conversion and circulation area, and the equipment location of the sedimentation area, a monitoring network layout is carried out for the target mountain to obtain a monitoring network layout result, which is used to monitor compound chain-generated mountain disasters.

[0014] In some embodiments, the calculating the height of the meteorological radar equipment site selection according to the geological environment data of the target area includes:

[0015] Generate single-station radar shielding angle maps and single-station radar equal-beam height maps at various altitudes based on the geological environment data of the target area;

[0016] Calculating radar scanning plane data according to the single-station radar shielding angle map and the single-station radar equal-beam height map, wherein the radar scanning plane data includes a projected area, a coverage or a height volume index;

[0017] Calculating a first relationship curve according to the projection area and the altitude;

[0018] Calculating a second relationship curve according to the coverage and the altitude;

[0019] Calculating a third relationship curve according to the height volume index and the altitude;

[0020] The height of the meteorological radar equipment site is calculated according to the first relationship curve, the second relationship curve and the third relationship curve, and the height of the meteorological radar equipment site selection takes into account both the plane coverage and the vertical coverage.

[0021] In some embodiments, the calculating the location of the ground rainfall station according to the height of the meteorological radar device site selection includes:

[0022] Calculate the radar signal shielding area according to the site selection height of the weather radar equipment;

[0023] According to the preset number of rain gauges, the site selection locations of the ground rain gauges are calculated in the radar signal shielding area.

[0024] In some embodiments, the functional area division of the monitoring basin according to the geological environment data of the target area to obtain the mountain disaster monitoring functional area includes:

[0025] Obtain basin background data within small watershed units with disaster risks;

[0026] Establishing a watershed digital elevation model based on the geological environment data of the target area and the background data of the watershed;

[0027] According to the watershed digital elevation model, the accumulated flow is calculated using a preset spatial analysis method;

[0028] Extracting river network structure data of the disaster risk small watershed unit from the watershed digital elevation model according to the accumulated runoff;

[0029] Constructing a river longitudinal section according to the river network structure data, river drop and the distance from the measuring point to the river mouth;

[0030] Calculating the river longitudinal section gradient according to the river longitudinal section;

[0031] According to the gradient of the longitudinal section of the river, a first split point and a second split point are calculated on the longitudinal section of the river, wherein the first split point is used to characterize the turning point between the steep slope section of the ridge line and the gentle slope section of the river, and the second split point is used to characterize the turning point between the gentle slope section of the river and the gentle slope section of the outlet;

[0032] The first river area between the ridgeline and the first crack point is used as the starting area, and the starting area is used to monitor the slope ecological hydrogeological coupling process and the disaster formation evolution trend;

[0033] The second river area between the first fracture point and the second fracture point is used as the conversion flow area, and the conversion flow area is used to monitor the solid-flow conversion process of the disaster chain and the cumulative water and soil flux changes along the way;

[0034] The third river area between the second fracture point and the water outlet is used as the sedimentation area, and the sedimentation area is used to monitor the sedimentation dynamic characteristics.

[0035] In some embodiments, the calculating the startup area device position of the startup area monitoring device in the startup area according to the startup area disaster characteristics includes:

[0036] According to the disaster characteristics of the start-up area, the start-up area monitoring indicators are constructed, and the start-up area monitoring indicators include slope runoff, soil moisture content, soil saturation, infiltration rate, erosion or surface displacement;

[0037] According to the watershed digital elevation model, the starting area is slope-divided using a geographic information system to obtain a plurality of initial slope units;

[0038] Calculating the hazard index of the initial slope unit according to the landslide hazard evaluation index;

[0039] According to the risk index, selecting a high-risk slope unit from the plurality of initial slope units;

[0040] According to the high-risk slope units and side ridges, a slope hydrological disaster observation area is constructed, and the slope hydrological disaster observation area is used to observe rainfall infiltration and underground instability processes;

[0041] According to the monitoring index of the starting area, the equipment position of the starting area is calculated in the slope hydrological disaster observation area.

[0042] In some embodiments, the calculating the conversion flow area device position of the conversion flow area monitoring device in the conversion flow area according to the disaster characteristics of the conversion flow area includes:

[0043] According to the disaster characteristics of the transformation flow zone, a transformation flow zone monitoring index is constructed, wherein the transformation flow zone monitoring index includes pressure change, surface deformation, particle movement form or rock and soil movement process;

[0044] calculating a first device position of the pressure sensor in the conversion flow zone according to a rainfall position, the pressure sensor being used to monitor the pressure change;

[0045] According to the position of the water-soil mixed medium, calculating the second device position of the combination of the current meter and the mud level meter in the conversion flow area, wherein the combination of the current meter and the mud level meter is used to monitor the movement process of the rock and soil mass;

[0046] Calculating a third device position of the first video acquisition device in the conversion circulation area according to the surface position, the first video acquisition device being used to monitor the surface deformation;

[0047] Calculating a fourth device position of the particle dynamic scanner in the conversion flow zone according to the position of the rock mass, wherein the particle dynamic scanner is used to monitor the movement morphology of the particles;

[0048] The first device position, the second device position, the third device position and the fourth device position are combined to obtain the conversion flow zone device position.

[0049] In some embodiments, the calculating the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster includes:

[0050] According to the disaster characteristics of the sedimentary area, construct sedimentary area monitoring indicators, wherein the sedimentary area monitoring indicators include peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics;

[0051] According to the deposition position of the disaster body, a fifth device position of the weir is calculated in the deposition area, wherein the weir is used to monitor the peak flow, the flow velocity, the flow depth, the erosion deposition depth, the deposition range or the sediment sorting characteristics;

[0052] According to the deposition position of the disaster body, a sixth device position of the second video acquisition instrument is calculated in the deposition area, wherein the second video acquisition instrument is used to monitor the accumulation and destruction process of the disaster chain;

[0053] The fifth equipment position and the sixth equipment position are combined to obtain the deposition area equipment position.

[0054] On the other hand, an embodiment of the present invention provides a composite chain-generated mountain disaster monitoring network layout device, including:

[0055] The first module is used to obtain geological environment data of the target area, wherein the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data;

[0056] The second module is used to calculate the height of the meteorological radar equipment site selection according to the geological environment data of the target area;

[0057] The third module is used to calculate the location of the ground rainfall station according to the height of the meteorological radar equipment;

[0058] The fourth module is used to divide the monitoring basin into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional area, wherein the mountain disaster monitoring functional area includes the starting area, the conversion flow area and the deposition area;

[0059] A fifth module is used to calculate the start-up area equipment position of the start-up area monitoring equipment in the start-up area according to the disaster characteristics of the start-up area, and the start-up area monitoring equipment includes a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor;

[0060] The sixth module is used to calculate the conversion flow area equipment position of the conversion flow area monitoring equipment in the conversion flow area according to the disaster characteristics of the conversion flow area, and the conversion flow area monitoring equipment includes a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter;

[0061] A seventh module is used to calculate the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster, and the sedimentation area monitoring equipment includes a flow measuring weir or a second video acquisition instrument;

[0062] The eighth module is used to lay out the monitoring network for the target mountain based on the site selection height of the meteorological radar equipment, the site selection location of the ground rain gauge, the equipment location of the start area, the equipment location of the conversion and circulation area, and the equipment location of the sedimentation area, and obtain the monitoring network layout results, which are used to monitor compound chain-generated mountain disasters.

[0063] In another aspect, an embodiment of the present invention provides a computer device, comprising:

[0064] at least one processor;

[0065] at least one memory for storing at least one program;

[0066] When the at least one program is executed by the at least one processor, the at least one processor implements the described method.

[0067] On the other hand, an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method described above is implemented.

[0068] The beneficial effects of the present invention are as follows:

[0069] The embodiment of the present invention first obtains geological environment data of the target area, calculates the height of the meteorological radar equipment site selection, and calculates the site selection position of the ground rain gauge according to the height of the meteorological radar equipment site selection, and then divides the monitoring basin into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional area, and then calculates the starting area equipment position of the starting area monitoring equipment in the starting area according to the monitoring index of the starting area, calculates the conversion circulation area equipment position of the conversion circulation area monitoring equipment in the conversion circulation area according to the monitoring index of the conversion circulation area, and calculates the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the monitoring index of the sedimentation area, and finally, according to the height of the meteorological radar equipment site selection, the site selection position of the ground rain gauge, the starting area equipment position, the conversion circulation area equipment position and the sedimentation area equipment position, the target mountain is monitored. The layout of the network is obtained, so that the monitoring network layout can be realized through a variety of equipment positions, thereby improving the monitoring accuracy and layout comprehensiveness.

[0070] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0071] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0072] Figure 1 This is a flow chart of a composite chain-generated mountain disaster monitoring network layout method according to an embodiment of the present invention;

[0073] Figure 2 A schematic diagram of a mountain disaster monitoring functional area division result according to an embodiment of the present invention;

[0074] Figure 3 A schematic diagram of a monitoring network layout result according to an embodiment of the present invention;

[0075] Figure 4 A schematic diagram of an overall process of monitoring network layout according to an embodiment of the present invention;

[0076] Figure 5 This is a schematic diagram of the structure of a composite chain-generated mountain disaster monitoring network layout device according to an embodiment of the present invention;

[0077] Figure 6 The figure is a schematic diagram of the hardware structure of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0078] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the embodiments of the present application. They are only examples of devices and methods consistent with some aspects of the embodiments of the present application as detailed in the attached claims.

[0079] It is understood that the terms "first", "second", etc. used in this application can be used to describe various concepts in this article, but unless otherwise specified, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another concept. For example, without departing from the scope of the embodiment of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determination".

[0080] The terms "at least one", "multiple", "each", "any", etc. used in this application, at least one includes one, two or more, multiple includes two or more, each refers to each of the corresponding multiple, and any refers to any one of the multiple.

[0081] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0082] Before describing the embodiments of the present application in detail, some nouns and terms involved in the embodiments of the present application are first described. The nouns and terms involved in the embodiments of the present application are subject to the following explanations.

[0083] Compound chain mountain disasters: refers to compound disasters caused by the interaction and mutual influence of different types of natural disasters. These natural disasters can be meteorological disasters, geological disasters, biological disasters, etc. There is interaction and mutual influence between them, which aggravates or even triggers other disasters, thus forming compound disasters.

[0084] In the relevant technology, driven by extreme weather, geological disasters present new basin-wide compound chain disaster characteristics. The characteristics of geological disaster chains mainly include: suddenness, sporadic, destructive, chain-generated and complex. The compound cluster disaster chain is not only the spatial agglomeration of single landslides, but also has obvious joint effects and cumulative effects. The complexity, concealment, occurrence, dynamic variability and spatiotemporal uncertainty of compound chain mountain disasters are more prominent. How to identify the risk of disaster chains and accurately monitor potential hidden dangers has become a more severe challenge for disaster prevention and mitigation. Existing geological disaster monitoring methods include rainfall, cracks, displacement, moisture content, water level and other monitoring methods, which basically realize remote automatic monitoring, and can realize the effective transmission of on-site monitoring data through Beidou satellites. The occurrence of rainfall-driven compound chain mountain disasters is a disaster chain with complex dynamic processes caused by landslides and unstable start-up areas, but most of the current monitoring methods belong to single-means monitoring, single monitoring of landslides or debris flows, and there is no systematic monitoring method for the linkage monitoring between different types of disasters in rainfall-driven compound chains. The monitoring of geological disasters is mainly based on single-item monitoring, and there is still a lack of methods for the layout of monitoring networks for complex chain mountain disasters, resulting in a mismatch between disaster chain monitoring measures and the disaster chain formation process, blind spots in hidden danger monitoring, low monitoring accuracy, and low layout comprehensiveness.

[0085] In view of this, the embodiments of the present invention provide a monitoring network layout method for monitoring compound chain-generated mountain disasters, by analyzing the disaster-causing, disaster-causing and their transformation and conversion processes, including the rainfall process under complex terrain conditions, the initiation characteristics of instability of slope material sources in mountainous areas driven by rainfall, the solid-flow movement conversion characteristics of mixed media such as water-soil-vegetation, and the deposition and destruction characteristics of deposits, in order to improve the accuracy and effectiveness of the monitoring equipment configuration and improve the systematicness of the monitoring layout system.

[0086] The composite chain-generated mountain disaster monitoring network layout method provided in the embodiment of the present application relates to the field of geological disaster monitoring technology. The composite chain-generated mountain disaster monitoring network layout method provided in the embodiment of the present application can be applied to a terminal, can also be applied to a server, and can also be software running in a terminal or a server. In some embodiments, the terminal can be a smart phone, a tablet computer, a laptop computer, a desktop computer, a smart speaker, a smart watch, and a car terminal, etc., but is not limited to this; the server side can be configured as an independent physical server, or it can be configured as a server cluster or distributed system composed of multiple physical servers, and can also be configured to provide cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN, and big data and artificial intelligence platforms and other basic cloud computing services. The cloud server, the server can also be a node server in the blockchain network; the software can be an application that implements the composite chain-generated mountain disaster monitoring network layout method, etc., but is not limited to the above forms.

[0087] The present application can be used in many general or special computer system environments or configurations. For example: personal computers, server computers, handheld or portable devices, tablet devices, multiprocessor systems, microprocessor-based systems, set-top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, distributed computing environments including any of the above systems or devices, etc. The present application can be described in the general context of computer-executable instructions executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform specific tasks or implement specific abstract data types. The present application can also be practiced in distributed computing environments, in which tasks are performed by remote processing devices connected through a communication network. In a distributed computing environment, program modules can be located in local and remote computer storage media including storage devices.

[0088] The following is a detailed explanation of the embodiments of the present application in conjunction with the accompanying drawings:

[0089] Figure 1 is an optional flow chart of the composite chain mountain disaster monitoring network layout method provided in the embodiment of the present application, Figure 1 The method may include but is not limited to steps S101 to S108.

[0090] Step S101, obtaining geological environment data of a target area, wherein the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data;

[0091] Step S102, calculating the height of the meteorological radar equipment site selection according to the geological environment data of the target area;

[0092] Step S103, calculating the location of the ground rainfall station according to the height of the meteorological radar equipment site selection;

[0093] Step S104: according to the geological environment data of the target area, the monitoring basin is divided into functional areas to obtain the mountain disaster monitoring functional areas, which include the starting area, the conversion and circulation area and the deposition area;

[0094] Step S105, according to the disaster characteristics of the start-up area, calculating the start-up area equipment position of the start-up area monitoring equipment in the start-up area, the start-up area monitoring equipment including a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor;

[0095] Step S106, according to the disaster characteristics of the transformation circulation area, calculating the transformation circulation area equipment position of the transformation circulation area monitoring equipment in the transformation circulation area, the transformation circulation area monitoring equipment including a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter;

[0096] Step S107, calculating the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster, the sedimentation area monitoring equipment including the flow measuring weir or the second video acquisition instrument;

[0097] Step S108, based on the height of the meteorological radar equipment site, the location of the ground rainfall station site, the equipment location of the start area, the equipment location of the conversion and circulation area, and the equipment location of the deposition area, a monitoring network layout is laid out for the target mountain area to obtain a monitoring network layout result, which is used to monitor compound chain-generated mountain disasters.

[0098] Steps S101 to S108 shown in the embodiment of the present application realize the monitoring of network layout, and improve the monitoring accuracy and layout comprehensiveness.

[0099] In step S101 of some embodiments, the geological environment data of the target area can be obtained through mountain survey record information. The geological environment data of the target area can also be obtained by other means, not limited thereto. Among them, the geological environment data of the target area can include topographic data, geological data, meteorological data, hydrological data or vegetation data.

[0100] In some embodiments, in step S102, calculating the height of the meteorological radar equipment site selection according to the geological environment data of the target area may include but is not limited to the following steps:

[0101] Generate single-station radar shielding angle maps and single-station radar equal-beam height maps at various altitudes based on the geological environment data of the target area;

[0102] Calculate radar scanning plane data according to the single-station radar shielding angle map and the single-station radar equal-beam height map, the radar scanning plane data including the projected area, coverage or height volume index;

[0103] Calculate a first relationship curve according to the projection area and the altitude;

[0104] Calculate a second relationship curve according to the coverage and the altitude;

[0105] Calculate the third relationship curve according to the height volume index and the altitude;

[0106] The height of the meteorological radar equipment site is calculated based on the first relationship curve, the second relationship curve and the third relationship curve. The height of the meteorological radar equipment site selection takes into account both the plane coverage and the vertical coverage.

[0107] In some embodiments, rainfall characteristics are the triggering factors of disasters, and rainfall processes and characteristics can be observed by rainfall radar. Under complex terrain conditions, the weak echo and observation blind spots caused by the obstruction of the radar antenna beam by the terrain are important factors affecting the quality of radar reflectivity factor data, and are also the main sources of error in radar precipitation estimation. The mountain partially or completely blocks the radar beam, resulting in a loss of echo power received by the radar, which in turn causes a deviation between the rainfall estimated by the radar and the actual rainfall. The radar is installed too high and has a large scanning range, but it is difficult to detect the weather process at the bottom of the troposphere, especially the formation process of orographic rain, and many disastrous weather is generated and developed in this altitude range. Therefore, taking into account the scanning range and the integrity of the weather process is the key to the site selection of meteorological radars. In some embodiments, the single-station radar shielding angle map and the single-station radar equal beam height map at multiple altitudes h can be generated based on the geological environment data of the target area and high-resolution terrain data, and then the radar scanning plane data is calculated based on the single-station radar shielding angle map and the single-station radar equal beam height map. Among them, the radar scanning plane data may include the projection area s, the coverage c or the height volume index v. Then, according to the projected area and the altitude, the first relationship curve is calculated to determine the quantitative relationship between the projected area and the altitude (hs); according to the coverage and the altitude, the second relationship curve is calculated to determine the quantitative relationship between the coverage and the altitude (hc); according to the height volume index and the altitude, the third relationship curve is calculated to determine the quantitative relationship between the height volume index and the altitude (hv). Finally, according to the first relationship curve, the second relationship curve and the third relationship curve, the height of the meteorological radar equipment site is calculated. It can be understood that the height of the meteorological radar equipment site selection takes into account both the plane coverage and the vertical coverage.

[0108] In some embodiments, in step S103, calculating the location of the ground rainfall station according to the height of the meteorological radar equipment site selection may include but is not limited to the following steps:

[0109] Calculate the radar signal blocking area based on the site selection height of the weather radar equipment;

[0110] According to the preset number of rain gauges, the location of ground rain gauges is calculated in the radar signal blocking area.

[0111] In some embodiments, the radar signal shielding area can be calculated based on the height of the meteorological radar equipment, and then the location of the ground rain gauge station can be calculated in the radar signal shielding area based on the preset number of rain gauges, so as to facilitate the subsequent deployment of ground rain gauges in the radar signal shielding area. Furthermore, the combination of ground rain gauges and meteorological radar equipment can realize continuous three-dimensional full coverage observation of disaster weather processes (rainfall, rainfall intensity, wind force).

[0112] In some embodiments, in step S104, the monitoring basin is divided into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional areas, which may include but is not limited to the following steps:

[0113] Obtain basin background data within small watershed units with disaster risks;

[0114] Establish a digital elevation model of the watershed based on the geological environment data of the target area and the background data of the watershed;

[0115] According to the digital elevation model of the watershed, the accumulated runoff is calculated using the preset spatial analysis method;

[0116] According to the accumulated runoff, the river network structure data of the small watershed units with disaster risks are extracted from the digital elevation model of the watershed;

[0117] Construct river longitudinal sections based on river network structure data, river drop and distance from measurement point to river mouth;

[0118] According to the river longitudinal section, calculate the river longitudinal section gradient;

[0119] According to the gradient of the river longitudinal section, the first split point and the second split point are calculated on the river longitudinal section. The first split point is used to represent the turning point between the steep slope section of the ridge line and the gentle slope section of the river, and the second split point is used to represent the turning point between the gentle slope section of the river and the gentle slope section of the outlet.

[0120] The first river area between the ridgeline and the first fracture point is used as the starting area, which is used to monitor the slope eco-hydrological coupling process and the evolution trend of disaster formation;

[0121] The second river area between the first and second rupture points is taken as the transformation flow area, which is used to monitor the solid-flow transformation process of the disaster chain and the changes in the accumulated water and soil flux along the way;

[0122] The third river area between the second fracture point and the outlet was taken as the sedimentation area, which was used to monitor the sedimentation dynamic characteristics.

[0123] In some embodiments, the occurrence of rainfall-driven composite chain-generated mountain disasters is a disaster chain with complex dynamic processes caused by landslides and instability start-up areas. The mismatch between monitoring equipment and disaster-causing processes will affect the effectiveness of monitoring. The rainfall process under complex terrain conditions, the instability start-up characteristics of mountain slope material sources driven by rainfall, the solid-flow movement transformation characteristics of mixed media such as water-soil-vegetation, and the deposition and destruction characteristics of deposits can be monitored by analyzing the composite chain-generated disaster-causing, disaster-causing, and their transformation and conversion processes. In some embodiments, the monitoring basin can be divided into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional area. Among them, the mountain disaster monitoring functional area includes the start-up area, the transformation and circulation area, and the deposition area. For the composite chain-generated disaster risk small watershed of concern, the complete and closed disaster risk small watershed unit can be used as the basic observation unit to obtain the basin background data such as topography, geology, meteorology, hydrology, and vegetation in the disaster risk small watershed unit. Then, based on the geological environment data of the target area and the background data of the watershed, a digital elevation model of the watershed of the small watershed with compound chain disaster risk is established. The background data of the watershed can be obtained by mapping or using public terrain data, such as the digital elevation model data of the global earth observation satellite with a resolution of 12.5m. Then, based on the digital elevation model of the watershed, the accumulated runoff is calculated using the preset spatial analysis method, wherein the preset spatial analysis method may include the spatial analysis function of the Geographic Information System (GIS). Then, based on the accumulated runoff, the river network structure data of the small watershed unit with disaster risk is extracted from the digital elevation model of the watershed, and the hydrological and geomorphological parameters of the river network structure are used to reflect the upstream and downstream runoff relationship and the change of dynamic conditions. According to the river network structure data, the river drop and the distance from the measuring point to the estuary, the river longitudinal section is constructed. Among them, the river drop can be used as the vertical axis, the distance from the measuring point to the estuary can be used as the horizontal axis, the coordinates of each point can be determined according to the measured height value, and the river longitudinal section can be obtained by connecting each point. Then, based on the river longitudinal section, the river longitudinal section gradient, that is, the drop per unit river length, is calculated. Then the river section is segmented according to the gradient of the river longitudinal section, and the first and second crack points are calculated on the river longitudinal section according to the gradient of the river longitudinal section. Among them, the first crack point is used to characterize the turning point between the steep slope section of the ridge line and the gentle slope section of the river, and the second crack point is used to characterize the turning point between the gentle slope section of the river and the gentle slope section of the outlet. It can be understood that there are often some places on the river longitudinal section where the gradient of the river longitudinal section changes suddenly. These places are crack points, that is to say, on the river longitudinal section, the turning point between the gentle slope section and the steep slope section is the crack point. Finally, the first river area between the ridge line and the first crack point is used as the starting area, wherein the starting area is used to monitor the slope ecological hydrogeological coupling process and the evolution trend of disaster formation. Exemplarily, the first river area between the first crack point where the gradient of the river longitudinal section at the ridge line is large and the slope is large to the gentle slope section with a reduced gradient can be determined as the starting area.The second river area between the first fracture point and the second fracture point is taken as the transformation flow area, wherein the transformation flow area is used to monitor the solid-flow transformation process of the disaster chain and the cumulative water-soil flux changes along the way. Exemplarily, the second river area from the first fracture point to the area with a gentle slope to the second-level intense point can be determined as the flow transformation area. The third river area between the second fracture point and the outlet is taken as the sedimentation area, wherein the sedimentation area is used to monitor the sedimentation dynamic characteristics. Exemplarily, the third river area between the second fracture point with a gentle slope in the longitudinal section of the small watershed river channel and the outlet can be determined as the sedimentation area. The results of the division of mountain disaster monitoring functional areas based on the hydrological and geomorphological characteristics of the river network longitudinal section are as follows. Figure 2 As shown. In addition, field verification can be carried out on the basis of indoor division to further determine the start-up area, conversion circulation area and deposition area. It can be understood that the disaster risk small watershed is an open system that includes the comprehensive effects of mechanics, physics, chemistry, biology and social production, and this open system is connected through the hydrological cycle. The compound chain disaster process driven by heavy precipitation can be understood as the process in which precipitation acts on the surface of the small watershed (including topography, soil, geology, vegetation and other elements), and drives the surface rock and soil to be transported and destroyed through the flow of the surface-groundwater network. Therefore, the changes in the physical structure and topological parameters of the watershed water network can reflect the characteristics of the upper, middle and lower reaches of the watershed and the characteristics of disaster start-up migration. The relationship between the upper, middle and lower reaches in the small watershed also reflects the characteristics of the disaster start-up area, circulation area and deposition area. The disaster start-up area is located in the upper reaches of the watershed, with steep terrain, severe cutting and erosion, large terrain undulations, large river longitudinal section gradient, large longitudinal section steepness coefficient, and hydrodynamic force greater than resistance. The conversion flow area is located in the transition zone from steep to gentle terrain. The terrain has a large change in amplitude, the river gradient changes greatly, and the water power is equal to the resistance. The sedimentation area has a gentle terrain, wide rivers, stable grooves, and the water power is less than the resistance.

[0124] In some embodiments, in step S105, according to the disaster characteristics of the startup area, calculating the startup area device position of the startup area monitoring device in the startup area may include but is not limited to the following steps:

[0125] According to the disaster characteristics of the start-up area, the monitoring indicators of the start-up area are constructed. The monitoring indicators of the start-up area include slope runoff, soil moisture content, soil saturation, infiltration rate, erosion or surface displacement;

[0126] According to the digital elevation model of the watershed, the starting area is divided into slopes using the geographic information system to obtain multiple initial slope units;

[0127] According to the landslide hazard evaluation index, the hazard index of the initial slope unit is calculated;

[0128] According to the danger index, a high-risk slope unit is selected from a plurality of initial slope units;

[0129] According to the high-risk slope units and side ridges, the slope hydrological disaster observation area is constructed, which is used to observe rainfall infiltration and underground instability processes;

[0130] According to the monitoring indicators of the starting area, the location of the starting area equipment is calculated in the slope hydrological disaster observation area.

[0131] In some embodiments, the disaster initiation area is located in an area with steep terrain and severe cutting and erosion, and the main purpose is to monitor the instability process of the slope. The slope units with high danger in the basin can be selected as single tables for slope stability monitoring, and slope hydrological disaster observation areas can be established in the slope units. Through the slope hydrological disaster observation areas, the erosion of the slope surface after the rainfall is converted into surface runoff and groundwater and the process of groundwater changing the slope stability are monitored. The slope rainfall-runoff, soil moisture content, infiltration, erosion, soil saturation, and surface displacement characteristics are monitored to improve the integrity of the surface and underground effects of the disaster process. In some embodiments, the monitoring index of the start-up area can be constructed first according to the disaster characteristics of the start-up area, wherein the monitoring index of the start-up area can include surface ecological-hydrological-mechanical processes such as slope runoff, soil moisture content, soil saturation, infiltration rate, erosion or surface displacement, and then the start-up area is divided into slopes according to the digital elevation model of the watershed using the geographic information system to obtain multiple initial slope units, and then the hazard index of the initial slope unit is calculated according to the landslide hazard evaluation index, and then the high-risk slope unit is selected from the multiple initial slope units according to the hazard index, that is, the initial slope unit with higher hazard within the monitoring range is used as the high-risk slope unit representative of the region. In order to reflect the surface-underground hydrological-mechanical coupling disaster-causing process of the slope driven by heavy precipitation, a slope hydrological disaster observation area can be constructed on the surface of the high-risk slope unit according to the high-risk slope unit and the side ridge. The slope hydrological disaster observation area is used to observe rainfall infiltration and underground instability processes, and the flow process of surface water can be detected. It is understandable that the slope hydrological disaster observation area maintains the original soil topography and other conditions as much as possible, and is a test facility for quantitative research on the movement and destruction laws of water and soil on the slope. The slope hydrological disaster observation area is generally surrounded by side ridges, and the side of the side ridges is set to be transparent, so that rainfall infiltration and underground instability processes can be observed. Finally, according to the monitoring indicators of the starting area, the position of the starting area equipment is calculated in the slope hydrological disaster observation area. Among them, the starting area monitoring equipment can include flow sensors, soil moisture meters, soil permeability meters, soil erosion meters or displacement sensors. Installing the starting area monitoring equipment in the slope hydrological disaster observation area can observe the deformation and destruction characteristics, destruction modes and formation evolution trends of the slope.

[0132] In some embodiments, in step S106, according to the disaster characteristics of the transformation circulation area, calculating the transformation circulation area device position of the transformation circulation area monitoring device in the transformation circulation area may include but is not limited to the following steps:

[0133] According to the disaster characteristics of the transformation flow area, the transformation flow area monitoring indicators are constructed. The transformation flow area monitoring indicators include pressure changes, surface deformation, particle movement morphology or rock and soil movement process;

[0134] calculating a first device position of a pressure sensor in the conversion flow zone according to the rainfall position, the pressure sensor being used to monitor pressure changes;

[0135] According to the position of the water-soil mixed medium, a second device position of a combination of a current meter and a mud level meter is calculated in the conversion flow area, and the combination of the current meter and the mud level meter is used to monitor the movement process of the rock and soil mass;

[0136] Calculating a third device position of a first video acquisition device in the conversion circulation area according to the surface position, the first video acquisition device being used to monitor surface deformation;

[0137] According to the position of the rock and soil body, a fourth device position of a particle dynamic scanner is calculated in the conversion flow area, and the particle dynamic scanner is used to monitor the particle movement morphology;

[0138] The first device position, the second device position, the third device position and the fourth device position are combined to obtain the conversion flow zone device position.

[0139] In some embodiments, the traditional monitoring method is not detailed enough for the disaster transformation process, and the transformation flow area focuses on monitoring the transformation process of the rock and soil body from solid-like to liquid-like mechanical behavior during the flow process. In order to improve the disadvantage of the traditional monitoring of the insufficient characterization of the disaster transformation process, this embodiment can monitor the solid-flow transformation process of the disaster chain and the cumulative water-soil flux changes along the way. Transformation flow area monitoring equipment is installed in the potential transformation flow area, wherein the transformation flow area monitoring equipment may include a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter. According to the disaster characteristics of the transformation flow area, the transformation flow area monitoring index can be constructed, wherein the transformation flow area monitoring index can include pressure changes, surface deformation, particle movement morphology or rock and soil movement process. Then, according to the rainfall position, the first device position of the pressure sensor is calculated in the transformation flow area, wherein the pressure sensor is used to monitor the pressure change to obtain the change process of the pressure in the transformation flow area with time and rainfall. According to the position of the water-soil mixed medium, the second device position of the combination of the flow meter and the mud level meter can be calculated in the conversion circulation area, wherein the combination of the flow meter and the mud level meter is used to monitor the movement process of the rock and soil mass, so as to monitor and record the migration speed and flow rate of the water-soil mixed medium. According to the surface position, the third device position of the first video acquisition instrument can be calculated in the conversion circulation area, wherein the first video acquisition instrument is used to monitor the surface deformation, so as to record the surface shape change data during the impact process. According to the position of the rock and soil mass, the fourth device position of the particle dynamic scanner can be calculated in the conversion circulation area, wherein the particle dynamic scanner is used to monitor the particle motion morphology, so as to scan the motion morphology, motion path and distribution data of the marked characteristic particles at each characteristic point inside the rock and soil mass. Finally, the first device position, the second device position, the third device position and the fourth device position are combined to obtain the device position of the conversion circulation area. It can be understood that the video images collected by the first video acquisition instrument can determine the movement process of the rock and soil mass, draw the motion speed-time change curve, and monitor the critical speed of the solid-flow conversion of the rock and soil mass. Focusing on the transformation and flow area, the cumulative amplification effect along the movement of the disaster body is monitored. Through the monitoring equipment in the transformation and flow area, the runoff generation and convergence process of the small watershed and the accumulation and destruction process and changing trend of the disaster movement can be systematically observed.

[0140] In some embodiments, in step S107, according to the characteristics of the sedimentation disaster, calculating the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area may include but is not limited to the following steps:

[0141] According to the disaster characteristics of sedimentary areas, sedimentary area monitoring indicators are constructed, including peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics;

[0142] According to the deposition location of the hazard body, the fifth device location of the weir is calculated in the deposition area, and the weir is used to monitor the peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics;

[0143] According to the deposition position of the disaster body, a sixth device position of the second video acquisition instrument is calculated in the deposition area, and the second video acquisition instrument is used to monitor the accumulation and destruction process of the disaster chain;

[0144] The fifth equipment position and the sixth equipment position are combined to obtain the deposition area equipment position.

[0145] In some embodiments, a sedimentation area monitoring device may be set in the sedimentation area to monitor the accumulation process of the disaster body over time. The sedimentation area monitoring device may include a flow measuring weir or a second video acquisition device. The sedimentation area monitoring index may be constructed based on the disaster characteristics of the sedimentation area, wherein the sedimentation area monitoring index includes peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics. Then, according to the deposition position of the disaster body, the fifth device position of the flow measuring weir is calculated in the sedimentation area, wherein the flow measuring weir is used to monitor the peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics. According to the deposition position of the disaster body, the sixth device position of the second video acquisition device is calculated in the sedimentation area, wherein the second video acquisition device is used to monitor the accumulation and destruction process of the disaster chain. Finally, the fifth device position and the sixth device position are combined to obtain the sedimentation area device position.

[0146] In some embodiments, in step S108, a monitoring network layout can be performed on the target mountain based on the height of the meteorological radar equipment site selection, the location of the ground rain gauge site selection, the location of the start-up area equipment, the location of the conversion and circulation area equipment, and the location of the sedimentation area equipment to obtain a monitoring network layout result. The monitoring network layout result is used to monitor compound chain mountain disasters. Exemplarily, a meteorological radar device can be deployed at the location of the meteorological radar equipment site selection height, a ground rain gauge can be deployed at the location of the ground rain gauge site selection, and a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter, or a displacement sensor can be deployed at the start-up area equipment location in the start-up area. In the conversion and circulation area, a pressure sensor can be deployed at the first equipment location, a flow meter and a mud level meter can be deployed at the second equipment location, a first video collector can be deployed at the third equipment location, and a particle dynamic scanner can be deployed at the fourth equipment location. In the sedimentation area, a flow measuring weir can be deployed, and a second video collector can be deployed at the sixth equipment location. The monitoring network layout result is as follows. Figure 3 shown.

[0147] In some embodiments, the overall process of monitoring network layout is as follows: Figure 4As shown in the figure, the geological environment data of the target area such as topography, geology, meteorology, hydrology, and vegetation can be obtained first, and then the rainfall radar layout can be carried out. Then, the disaster characteristic zones can be divided based on the hydrological and geomorphological parameters of the riverbed longitudinal section, that is, the mountain disaster monitoring functional zone. The first river area between the ridge line and the first crack point of the riverbed longitudinal section slope change is used as the starting area, the second river area between the first crack point of the first-level riverbed longitudinal section slope change and the second crack point of the gradient is used as the conversion flow area, and the third river area between the second crack point of the second-level gradient change and the outlet is used as the deposition area. Finally, in the starting area, flow sensors are deployed to monitor the slope runoff, soil moisture meters are deployed to monitor soil moisture content and soil saturation, soil permeability meters are deployed to monitor infiltration rate, soil erosion meters are deployed to monitor erosion, and displacement sensors are deployed to monitor surface displacement. In the conversion and circulation area, pressure sensors are deployed to monitor pressure changes, the first video acquisition device is deployed to monitor surface deformation, a particle dynamic scanner is deployed to monitor particle movement morphology, and a flow meter and mud level meter are deployed to monitor the movement process of rock and soil. In the sedimentation area, a flow measuring weir is deployed to monitor the peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range and sediment sorting characteristics, and a second video acquisition device is deployed to monitor the accumulation and destruction process of the disaster chain.

[0148] The beneficial effects of implementing the embodiments of the present invention include: the embodiments of the present invention first obtain the geological environment data of the target area, calculate the height of the meteorological radar equipment site selection, and calculate the site selection position of the ground rain gauge station according to the height of the meteorological radar equipment site selection, then divide the monitoring basin into functional areas according to the geological environment data of the target area, obtain the mountain disaster monitoring functional area, and then calculate the start-up area equipment position of the start-up area monitoring equipment in the start-up area according to the start-up area monitoring index, calculate the conversion circulation area equipment position of the conversion circulation area monitoring equipment in the conversion circulation area according to the conversion circulation area monitoring index, and calculate the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the sedimentation area monitoring index, and finally, according to the height of the meteorological radar equipment site selection, the site selection position of the ground rain gauge station, the start-up area equipment position, the conversion circulation area equipment position and the sedimentation area equipment position, the target mountain is monitored. The layout of the network is obtained, so that the monitoring network layout can be realized through a variety of equipment positions, and the monitoring accuracy and layout comprehensiveness are improved. At the same time, this embodiment overcomes the limitations of traditional single disaster monitoring and improves the integrity, accuracy and effectiveness of the monitoring process.

[0149] like Figure 5 As shown, the embodiment of the present invention also provides a composite chain-generated mountain disaster monitoring network layout device, including:

[0150] The first module 801 is used to obtain geological environment data of the target area, where the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data;

[0151] The second module 802 is used to calculate the height of the meteorological radar equipment site selection according to the geological environment data of the target area;

[0152] The third module 803 is used to calculate the location of the ground rainfall station according to the height of the meteorological radar equipment;

[0153] The fourth module 804 is used to divide the monitoring basin into functional areas according to the geological environment data of the target area, and obtain the mountain disaster monitoring functional area, which includes the starting area, the conversion flow area and the deposition area;

[0154] The fifth module 805 is used to calculate the start-up area equipment position of the start-up area monitoring equipment in the start-up area according to the disaster characteristics of the start-up area, and the start-up area monitoring equipment includes a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor;

[0155] The sixth module 806 is used to calculate the conversion flow area equipment position of the conversion flow area monitoring equipment in the conversion flow area according to the disaster characteristics of the conversion flow area, and the conversion flow area monitoring equipment includes a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter;

[0156] The seventh module 807 is used to calculate the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster, and the sedimentation area monitoring equipment includes a flow measuring weir or a second video acquisition instrument;

[0157] The eighth module 808 is used to lay out the monitoring network for the target mountain based on the height of the meteorological radar equipment site, the location of the ground rain gauge site, the equipment location of the start-up area, the equipment location of the conversion and circulation area, and the equipment location of the sedimentation area, and obtain the monitoring network layout results. The monitoring network layout results are used to monitor compound chain-generated mountain disasters.

[0158] The contents of the above method embodiments are all applicable to the present device embodiments. The functions specifically implemented by the present device embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0159] like Figure 6 As shown, an embodiment of the present invention further provides a computer device, including:

[0160] at least one processor 901;

[0161] At least one memory 902, used to store at least one program;

[0162] When at least one program is executed by at least one processor, the at least one processor implements Figure 1 The method shown.

[0163] The contents of the above method embodiments are all applicable to the present device embodiments. The functions specifically implemented by the present device embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0164] The embodiment of the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, Figure 1 The method shown.

[0165] The contents of the above method embodiments are all applicable to the present storage medium embodiments. The functions specifically implemented by the present storage medium embodiments are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those achieved by the above method embodiments.

[0166] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but the scope of the rights of the present invention is not limited thereto. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present invention should be within the scope of the rights of the present invention.

Claims

1. A composite chain-generated mountain disaster monitoring network layout method, characterized in that: The following steps are involved: Acquiring geological environment data of the target area, wherein the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data; Calculate the height of the meteorological radar equipment site selection based on the geological environment data of the target area; Calculate the location of the ground rainfall station according to the height of the meteorological radar equipment site selection; According to the geological environment data of the target area, the monitoring basin is divided into functional areas to obtain the mountain disaster monitoring functional areas, and the mountain disaster monitoring functional areas include the starting area, the conversion flow area and the deposition area; According to the disaster characteristics of the start-up area, the start-up area equipment position of the start-up area monitoring equipment is calculated in the start-up area, and the start-up area monitoring equipment includes a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor; According to the characteristics of the transformation circulation area disaster, the transformation circulation area equipment position of the transformation circulation area monitoring equipment is calculated in the transformation circulation area, and the transformation circulation area monitoring equipment includes a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter; According to the characteristics of the sedimentation area disaster, the sedimentation area equipment position of the sedimentation area monitoring equipment is calculated in the sedimentation area, and the sedimentation area monitoring equipment includes a flow measuring weir or a second video acquisition instrument; According to the site selection height of the meteorological radar equipment, the site selection location of the ground rain gauge, the equipment location of the starting area, the equipment location of the conversion and circulation area, and the equipment location of the sedimentation area, a monitoring network layout is carried out for the target mountain to obtain a monitoring network layout result, which is used to monitor compound chain-generated mountain disasters.

2. The method according to claim 1, characterized in that The step of calculating the height of the meteorological radar equipment site selection according to the geological environment data of the target area includes: Generate single-station radar shielding angle maps and single-station radar equal-beam height maps at various altitudes based on the geological environment data of the target area; Calculating radar scanning plane data according to the single-station radar shielding angle map and the single-station radar equal-beam height map, wherein the radar scanning plane data includes a projected area, a coverage or a height volume index; Calculating a first relationship curve according to the projection area and the altitude; Calculating a second relationship curve according to the coverage and the altitude; Calculating a third relationship curve according to the height volume index and the altitude; The height of the meteorological radar equipment site is calculated according to the first relationship curve, the second relationship curve and the third relationship curve, and the height of the meteorological radar equipment site selection takes into account both the plane coverage and the vertical coverage.

3. The method according to claim 1, characterized in that The calculating the location of the ground rainfall station according to the location height of the meteorological radar equipment comprises: Calculate the radar signal shielding area according to the site selection height of the weather radar equipment; According to the preset number of rain gauges, the site selection locations of the ground rain gauges are calculated in the radar signal shielding area.

4. The method according to claim 1, characterized in that The monitoring basin is divided into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional areas, including: Obtain basin background data within small watershed units with disaster risks; Establishing a watershed digital elevation model based on the geological environment data of the target area and the background data of the watershed; Calculating the runoff accumulation using a preset spatial analysis method according to the watershed digital elevation model; Extracting river network structure data of the disaster risk small watershed unit from the watershed digital elevation model according to the accumulated runoff; Constructing a river longitudinal section according to the river network structure data, river drop and the distance from the measuring point to the river mouth; Calculating the river longitudinal section gradient according to the river longitudinal section; According to the gradient of the longitudinal section of the river, a first split point and a second split point are calculated on the longitudinal section of the river, wherein the first split point is used to characterize the turning point between the steep slope section of the ridge line and the gentle slope section of the river, and the second split point is used to characterize the turning point between the gentle slope section of the river and the gentle slope section of the outlet; The first river area between the ridgeline and the first crack point is used as the starting area, and the starting area is used to monitor the slope ecological hydrogeological coupling process and the disaster formation evolution trend; The second river area between the first fracture point and the second fracture point is used as the conversion flow area, and the conversion flow area is used to monitor the solid-flow conversion process of the disaster chain and the cumulative water and soil flux changes along the way; The third river area between the second fracture point and the water outlet is used as the sedimentation area, and the sedimentation area is used to monitor the sedimentation dynamic characteristics.

5. The method according to claim 4, characterized in that The step of calculating the start-up area device position of the start-up area monitoring device in the start-up area according to the disaster characteristics of the start-up area includes: According to the disaster characteristics of the start-up area, the start-up area monitoring indicators are constructed, and the start-up area monitoring indicators include slope runoff, soil moisture content, soil saturation, infiltration rate, erosion or surface displacement; According to the watershed digital elevation model, the starting area is slope-divided using a geographic information system to obtain a plurality of initial slope units; Calculating the hazard index of the initial slope unit according to the landslide hazard evaluation index; According to the risk index, selecting a high-risk slope unit from the plurality of initial slope units; According to the high-risk slope units and side ridges, a slope hydrological disaster observation area is constructed, and the slope hydrological disaster observation area is used to observe rainfall infiltration and underground instability processes; According to the monitoring index of the starting area, the equipment position of the starting area is calculated in the slope hydrological disaster observation area.

6. The method according to claim 1, characterized in that The method of calculating the conversion circulation area equipment position of the conversion circulation area monitoring equipment in the conversion circulation area according to the disaster characteristics of the conversion circulation area includes: According to the disaster characteristics of the transformation flow zone, a transformation flow zone monitoring index is constructed, wherein the transformation flow zone monitoring index includes pressure change, surface deformation, particle movement form or rock and soil movement process; calculating a first device position of the pressure sensor in the conversion flow zone according to a rainfall position, the pressure sensor being used to monitor the pressure change; According to the position of the water-soil mixed medium, calculating the second device position of the combination of the current meter and the mud level meter in the conversion flow area, wherein the combination of the current meter and the mud level meter is used to monitor the movement process of the rock and soil mass; Calculating a third device position of the first video acquisition device in the conversion circulation area according to the surface position, the first video acquisition device being used to monitor the surface deformation; Calculating a fourth device position of the particle dynamic scanner in the conversion flow zone according to the position of the rock mass, wherein the particle dynamic scanner is used to monitor the movement morphology of the particles; The first device position, the second device position, the third device position and the fourth device position are combined to obtain the conversion flow zone device position.

7. The method according to claim 1, characterized in that The method of calculating the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster includes: According to the disaster characteristics of the sedimentary area, construct sedimentary area monitoring indicators, wherein the sedimentary area monitoring indicators include peak flow, flow velocity, flow depth, erosion and deposition depth, deposition range or sediment sorting characteristics; According to the deposition position of the disaster body, a fifth device position of the weir is calculated in the deposition area, wherein the weir is used to monitor the peak flow, the flow velocity, the flow depth, the erosion deposition depth, the deposition range or the sediment sorting characteristics; According to the deposition position of the disaster body, a sixth device position of the second video acquisition instrument is calculated in the deposition area, wherein the second video acquisition instrument is used to monitor the accumulation and destruction process of the disaster chain; The fifth equipment position and the sixth equipment position are combined to obtain the deposition area equipment position.

8. A composite chain-generated mountain disaster monitoring network layout device, characterized in that: include: The first module is used to obtain geological environment data of the target area, wherein the geological environment data of the target area includes topographic data, geological data, meteorological data, hydrological data or vegetation data; The second module is used to calculate the height of the meteorological radar equipment site selection according to the geological environment data of the target area; The third module is used to calculate the location of the ground rainfall station according to the height of the meteorological radar equipment; The fourth module is used to divide the monitoring basin into functional areas according to the geological environment data of the target area to obtain the mountain disaster monitoring functional area, wherein the mountain disaster monitoring functional area includes the starting area, the conversion flow area and the deposition area; A fifth module is used to calculate the start-up area equipment position of the start-up area monitoring equipment in the start-up area according to the disaster characteristics of the start-up area, and the start-up area monitoring equipment includes a flow sensor, a soil moisture meter, a soil permeability meter, a soil erosion meter or a displacement sensor; The sixth module is used to calculate the conversion flow area equipment position of the conversion flow area monitoring equipment in the conversion flow area according to the disaster characteristics of the conversion flow area, and the conversion flow area monitoring equipment includes a pressure sensor, a first video acquisition instrument, a particle dynamic scanner, a flow meter or a mud level meter; A seventh module is used to calculate the sedimentation area equipment position of the sedimentation area monitoring equipment in the sedimentation area according to the characteristics of the sedimentation area disaster, and the sedimentation area monitoring equipment includes a flow measuring weir or a second video acquisition instrument; The eighth module is used to lay out the monitoring network for the target mountain based on the site selection height of the meteorological radar equipment, the site selection location of the ground rain gauge, the equipment location of the start area, the equipment location of the conversion and circulation area, and the equipment location of the sedimentation area, and obtain the monitoring network layout results, which are used to monitor compound chain-generated mountain disasters.

9. A computer device, characterized in that: include: at least one processor; at least one memory for storing at least one program; When the at least one program is executed by the at least one processor, the at least one processor implements the method according to any one of claims 1 to 7.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the method according to any one of claims 1 to 7 is implemented.

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