Method and system for calculating land subsidence volume

Abstract

The invention discloses a land subsidence volume calculation method. The method comprises the following steps: acquiring land subsidence real-time monitoring data; performing spatial analysis on the land subsidence real-time monitoring data to generate a land subsidence amount thematic map; drawing a polygonal region on the land subsidence volume thematic map according to user requirements, and obtaining the land subsidence volume and area of the polygonal region; and calculating the settlement volume in the polygonal region according to the ground settlement volume and the area of the polygonal region, and visually displaying the settlement volume. According to the method, the online mapping of the monitoring data of the land subsidence point is realized at the Web end, so that the real-time monitoring data can be quickly converted into a visual spatial distribution diagram, and a user can quickly understand and analyze the dynamic change of land subsidence. And a land subsidence volume calculation result provides technical support for timely discovering land subsidence abnormity and managing, preventing and controlling geological safety risks of urban operation.

Description

Technical Field

[0001] The present invention relates to the technical field of land subsidence, and in particular to a method and system for calculating land subsidence volume. Background Art

[0002] Ground subsidence is a geological disaster faced by most plain cities in my country. Due to excessive groundwater exploitation and the development and construction of high-rise buildings, the bearing capacity of the strata has decreased, leading to ground subsidence. This subsidence not only affects the layout and planning of urban construction, but may also pose a threat to the safety of buildings. In the context of promoting urbanization and high-quality development, the demand for monitoring technology for ground subsidence is growing. Although existing technologies can achieve real-time monitoring, there is still a technical gap in converting real-time monitoring data into spatial distribution maps and conducting data analysis on this basis. Therefore, it is crucial to develop a technology that can convert real-time monitoring data into ground subsidence maps to intuitively display the subsidence situation. The calculation of ground subsidence volume will help improve the early warning capability of ground subsidence, and also provide a scientific basis for the management and prevention of urban geological safety risks. Summary of the invention

[0003] In view of the above problems, the present invention is proposed to provide a method and system for calculating ground subsidence volume that overcomes the above problems or at least partially solves the above problems.

[0004] In order to solve the above technical problems, the embodiments of the present application disclose the following technical solutions:

[0005] In a first aspect, an embodiment of the present invention discloses a method for calculating land subsidence volume, comprising:

[0006] S100. Obtaining real-time monitoring data of ground subsidence;

[0007] S200. Perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence;

[0008] S300. Draw a polygonal area on the land subsidence settlement thematic map according to user needs, and obtain the land subsidence amount and area of ​​the polygonal area;

[0009] S400. Calculate the settlement volume within the polygonal region based on the ground settlement amount and area of ​​the polygonal region, and visualize the settlement volume.

[0010] Furthermore, in S100, real-time monitoring data of ground subsidence is obtained. The specific method includes: according to the requirements for drawing the ground subsidence, the monitoring data of the real-time monitoring device is imported or accessed. The real-time monitoring data is obtained from the monitoring device through a data acquisition interface. In addition, manually sorted monitoring data can also be imported. The monitoring data acquisition should at least include a unified number, monitoring time, and settlement information to achieve the acquisition of ground subsidence monitoring data.

[0011] Furthermore, the real-time monitoring data is acquired through a data acquisition interface, and the real-time monitoring data is standardized. The specific method includes: removing abnormal values ​​of the real-time monitoring data and filling missing values ​​of the real-time monitoring data.

[0012] Furthermore, in S200, the real-time monitoring data of ground subsidence is spatially analyzed to generate a thematic map of ground subsidence settlement. The specific method includes: obtaining the time range and regional range of the real-time monitoring data of ground subsidence to be analyzed, spatially processing the real-time monitoring data of ground subsidence within the time range and regional range, and applying spatial interpolation processing to the settlement data.

[0013] Furthermore, spatial interpolation processing is performed on the settlement data, and the spatial interpolation processing method includes at least Kriging interpolation and inverse distance weighted interpolation.

[0014] Furthermore, the settlement data is processed by spatial interpolation to obtain a continuous distribution map of ground settlement, and the spatial analysis results are graded and matched with corresponding color schemes to generate a settlement thematic map.

[0015] Furthermore, in S300, a polygonal area is drawn on the ground subsidence thematic map according to user needs to obtain the ground subsidence and area of ​​the polygonal area. The specific method includes: using the system drawing toolbar to draw or import a polygonal area on the thematic map, and defining the vertices of the polygon by clicking points on the map to obtain the final closed polygon; according to the system spatial statistics function, the ground subsidence and area in each partitioned area are obtained.

[0016] Furthermore, in S400, the settlement volume within the polygonal area is calculated based on the ground settlement amount and area of ​​the polygonal area, and the settlement volume is visualized, and the specific method includes: the settlement volume is the product of the regional ground settlement amount and the area; the settlement volume calculation results are graded, and after classification, the regional settlement volume is output and displayed in the form of a table or a bar graph, wherein the horizontal axis is the ground settlement classification, and the vertical axis is the settlement volume.

[0017] In a second aspect, an embodiment of the present invention discloses a system for calculating ground subsidence volume, including: a real-time monitoring data acquisition unit, a thematic map generation unit, a ground subsidence amount and area acquisition unit, and a subsidence volume visualization unit; wherein:

[0018] A real-time monitoring data acquisition unit, used to acquire real-time monitoring data of ground subsidence;

[0019] A thematic map generating unit is used to perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence;

[0020] A ground subsidence amount and area acquisition unit is used to draw a polygonal area on the ground subsidence amount thematic map according to user requirements, and obtain the ground subsidence amount and area of ​​the polygonal area;

[0021] The settlement volume visualization unit is used to calculate the settlement volume within the polygonal area according to the ground settlement amount and area of ​​the polygonal area, and to visualize the settlement volume.

[0022] In a third aspect, an embodiment of the present invention discloses an electronic device, including:

[0023] one or more processors;

[0024] A memory for storing one or more programs;

[0025] When the one or more programs are executed by the one or more processors, the one or more processors implement the method for calculating the ground subsidence volume.

[0026] The beneficial effects of the above technical solution provided by the embodiment of the present invention include at least:

[0027] The present invention discloses a method for calculating ground subsidence volume, comprising: obtaining real-time monitoring data of ground subsidence; performing spatial analysis on the real-time monitoring data of ground subsidence to generate a thematic map of ground subsidence settlement; drawing a polygonal area on the thematic map of ground subsidence settlement according to user needs to obtain the ground subsidence amount and area of ​​the polygonal area; calculating the settlement volume within the polygonal area according to the ground subsidence amount and area of ​​the polygonal area, and visually displaying the settlement volume. The present invention realizes online mapping of ground subsidence point monitoring data on the Web side, so that real-time monitoring data can be quickly converted into an intuitive spatial distribution map, which is convenient for users to quickly understand and analyze the dynamic changes of ground subsidence. The calculation result of ground subsidence volume provides technical support for timely discovery of ground subsidence anomalies and risk management and prevention of geological safety in urban operations.

[0028] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0030] Figure 1 This is a flow chart of a method for calculating land subsidence volume in Example 1 of the present invention;

[0031] Figure 2 This is a schematic diagram of volume calculation established in Example 1 of the present invention;

[0032] Figure 3 This is a structural diagram of a system for calculating land subsidence volume in Embodiment 2 of the present invention;

[0033] Figure 4 This is a schematic diagram of the structure of an electronic device in Example 3 of the present invention. DETAILED DESCRIPTION

[0034] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0035] In order to solve the problems existing in the prior art, an embodiment of the present invention provides a method and system for calculating ground subsidence volume.

[0036] Example 1

[0037] The present invention discloses a method for calculating the volume of land subsidence. Figure 1 ,include:

[0038] S100. Obtain real-time monitoring data of ground subsidence; ground subsidence, also known as ground subsidence or ground subsidence, is a geological phenomenon caused by human engineering and economic activities. It is a local downward movement that causes the surface elevation of the earth's crust to decrease under the action of consolidation and compression of underground loose strata.

[0039] In S100 of this embodiment, real-time monitoring data of ground subsidence is obtained. The specific method includes: according to the requirements for calculating the volume of ground subsidence, basic information of various types of real-time monitoring equipment is imported, and the real-time monitoring equipment includes at least GPS, level, InSAR, bedrock marker, and stratification marker; among them, InSAR (Interferometric Synthetic Aperture Radar) equipment, that is, interferometric synthetic aperture radar equipment, is a high-precision remote sensing equipment specially used for surface deformation monitoring and elevation measurement.

[0040] In S100 of this embodiment, real-time monitoring data of ground subsidence is obtained. The specific method includes: according to the requirements of ground subsidence mapping, the monitoring data of the real-time monitoring device is imported or accessed. The real-time monitoring data is obtained from the monitoring device through the data acquisition interface. In addition, manually sorted monitoring data can also be imported. The monitoring data acquisition should at least include a unified number, monitoring time, and settlement information to achieve the acquisition of ground subsidence monitoring data. The real-time monitoring data is obtained through the data acquisition interface, and the real-time monitoring data is standardized. The specific method includes: removing abnormal values ​​of the real-time monitoring data and filling missing values ​​of the real-time monitoring data.

[0041] Specifically, after the real-time monitoring data is acquired through the data acquisition interface, the real-time monitoring data is standardized, and the specific method includes:

[0042] According to the requirements of ground subsidence volume calculation, import the basic information of various types of real-time monitoring equipment, such as GPS, level, InSAR, bedrock marker, stratification marker, etc.;

[0043] Select the basic information table, and during the import, follow the field association rules to achieve one-to-one correspondence between the system header and the fields in the basic information table of the real-time monitoring equipment, so as to achieve one-click quick import. The basic information of the real-time monitoring equipment should at least include the fields such as unified number, equipment type, equipment name, geographical location, longitude, latitude, elevation, monitoring frequency, and monitoring indicators;

[0044] Select the monitoring data table to view the real-time monitoring data. The data is obtained through the data acquisition interface, and the data is automatically entered into the system after standardization. The monitoring data acquisition should at least contain the fields such as unified number, monitoring time, settlement amount, etc., to achieve real-time acquisition of ground settlement monitoring data.

[0045] S200. Perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence;

[0046] In S200, the real-time monitoring data of ground subsidence is spatially analyzed to generate a thematic map of ground subsidence. The specific method includes: obtaining the time range and regional range of the real-time monitoring data of ground subsidence to be analyzed, performing spatial processing on the real-time monitoring data of ground subsidence within the time range and regional range, and applying spatial interpolation processing to the subsidence data. The subsidence data is subjected to spatial interpolation processing, and the spatial interpolation processing method includes at least Kriging interpolation and inverse distance weighted interpolation. After the subsidence data is subjected to spatial interpolation processing, a continuous distribution map of the ground subsidence is obtained, the spatial analysis results are graded, and the corresponding color scheme is matched to generate a thematic map of subsidence.

[0047] For example, suppose you have land subsidence data for a certain urban area, and these data are collected at different time points. The specific steps to generate the thematic map include:

[0048] Import data: Import settlement data into the system, making sure to include settlement amounts and spatial coordinates.

[0049] Choose an interpolation method: Use Kriging to calculate settlement over the entire area.

[0050] Generate raster data: After performing interpolation, raster data is generated to represent the amount of settlement at different locations.

[0051] Set the visualization style: Select an appropriate color ramp, such as a gradient display from green (smaller amount of sedimentation) to red (larger amount of sedimentation).

[0052] Analyze hotspot areas: Use hotspot analysis tools (such as Getis-Ord Gi*) to identify areas of concentrated sedimentation and mark these "sedimentation hotspots."

[0053] S300. Draw a polygonal area on the land subsidence settlement thematic map according to user needs, and obtain the land subsidence amount and area of ​​the polygonal area;

[0054] In S300 of this embodiment, a polygonal area is drawn on the ground subsidence thematic map according to user needs to obtain the ground subsidence and area of ​​the polygonal area. The specific method includes: using the system drawing toolbar to draw or import a polygonal area on the thematic map, and defining the vertices of the polygon by clicking points on the map to obtain the final closed polygon; according to the system spatial statistics function, the ground subsidence and area in each partitioned area are obtained.

[0055] S400. Calculate the settlement volume within the polygonal region based on the ground settlement amount and area of ​​the polygonal region, and visualize the settlement volume.

[0056] In 400 of this embodiment, the settlement volume in the polygonal area is calculated based on the ground settlement and area of ​​the polygonal area, and the settlement volume is visualized. The specific method includes: the settlement volume is the product of the ground settlement and area of ​​the area; the settlement volume calculation results are graded, such as -40 to -30mm, -30 to -20mm, -20 to -10mm, -10 to 0mm, 0 to 10mm, and after grading, the settlement volume of the area is output and displayed in the form of a table or a bar graph, wherein the horizontal axis is the ground settlement classification and the vertical axis is the settlement volume. The method disclosed in this embodiment is used to obtain the entry Figure 2 Schematic diagram of volume calculation shown.

[0057] This embodiment discloses a method for calculating ground subsidence volume, including: obtaining real-time monitoring data of ground subsidence; performing spatial analysis on the real-time monitoring data of ground subsidence to generate a thematic map of ground subsidence settlement; drawing a polygonal area on the thematic map of ground subsidence settlement according to user needs to obtain the ground subsidence amount and area of ​​the polygonal area; calculating the settlement volume within the polygonal area according to the ground subsidence amount and area of ​​the polygonal area, and visually displaying the settlement volume. The present invention realizes online mapping of ground subsidence point monitoring data on the Web side, so that real-time monitoring data can be quickly converted into an intuitive spatial distribution map, which is convenient for users to quickly understand and analyze the dynamic changes of ground subsidence. The calculation results of ground subsidence volume provide technical support for timely discovery of ground subsidence anomalies and risk management and prevention of geological safety in urban operations.

[0058] Example 2

[0059] Based on the same inventive concept, the embodiment of the present disclosure also provides a system for calculating ground subsidence volume, which adopts the method for calculating subsidence volume described in any one of claims 1 to 8. Figure 3 , including: real-time monitoring data acquisition unit, thematic map generation unit, ground subsidence and area acquisition unit and subsidence volume visualization unit; among which:

[0060] A real-time monitoring data acquisition unit, used to acquire real-time monitoring data of ground subsidence;

[0061] A thematic map generating unit is used to perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence;

[0062] A ground subsidence amount and area acquisition unit is used to draw a polygonal area on the ground subsidence amount thematic map according to user requirements, and obtain the ground subsidence amount and area of ​​the polygonal area;

[0063] The settlement volume visualization unit is used to calculate the settlement volume within the polygonal area according to the ground settlement amount and area of ​​the polygonal area, and to visualize the settlement volume.

[0064] Among them, the specific working methods of the real-time monitoring data acquisition unit, thematic map generation unit, ground subsidence and area acquisition unit and subsidence volume visualization unit have been recorded in detail in Example 1, and will not be repeated in this embodiment.

[0065] Example 3

[0066] Based on the same inventive concept, an embodiment of the present disclosure also provides an electronic device. Figure 4 FIG. 1 is a schematic diagram of the structure of an electronic device according to an embodiment of the present disclosure. Figure 4 As shown, an embodiment of the present disclosure provides an electronic device including: one or more processors 101, a memory 102, and one or more I / O interfaces 103. The memory 102 stores one or more programs, and when the one or more programs are executed by the one or more processors, the one or more processors implement any optimization method in the above embodiments; the one or more I / O interfaces 103 are connected between the processor and the memory, and are configured to implement information interaction between the processor and the memory.

[0067] Among them, the processor 101 is a device with data processing capabilities, including but not limited to a central processing unit (CPU), etc.; the memory 102 is a device with data storage capabilities, including but not limited to random access memory (RAM, more specifically SDRAM, DDR, etc.), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory (FLASH); the I / O interface (read-write interface) 103 is connected between the processor 101 and the memory 102, and can realize information interaction between the processor 101 and the memory 102, including but not limited to a data bus (Bus), etc.

[0068] In some embodiments, the processor 101 , the memory 102 , and the I / O interface 103 are connected to each other via a bus 104 , and further connected to other components of the computing device.

[0069] In some embodiments, the one or more processors 101 include a field programmable gate array.

[0070] According to an embodiment of the present disclosure, a computer-readable medium is further provided, wherein a computer program is stored on the computer-readable medium, wherein when the program is executed by a processor, the steps in any optimization method in the above-mentioned embodiment are implemented.

[0071] It should be understood that the specific order or hierarchy of steps in the disclosed process is an example of an exemplary method. Based on design preferences, it should be understood that the specific order or hierarchy of steps in the process can be rearranged without departing from the scope of protection of the present disclosure. The attached method claims present the elements of the various steps in an exemplary order and are not intended to be limited to the specific order or hierarchy described.

[0072] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0073] Those skilled in the art will also appreciate that the various illustrative logic blocks, modules, circuits, and algorithmic steps described in conjunction with the embodiments herein can all be implemented as electronic hardware, computer software, or a combination thereof. In order to clearly illustrate the interchangeability between hardware and software, various illustrative components, blocks, modules, circuits, and steps are generally described above around their functions. Whether such functions are implemented as hardware or software depends on specific applications and the design constraints imposed on the entire system. A skilled person can implement the described functions in an alternative manner for each specific application, but such implementation decisions should not be interpreted as departing from the scope of protection of the present disclosure.

[0074] For software implementation, the techniques described in this application can be implemented with modules (e.g., procedures, functions, etc.) that perform the functions described in this application. These software codes can be stored in a memory unit and executed by a processor. The memory unit can be implemented within the processor or outside the processor. In the latter case, it is coupled to the processor in a communication manner via various means, which are well known in the art.

[0075] The above description includes examples of one or more embodiments. Of course, it is impossible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but it should be recognized by those skilled in the art that the various embodiments may be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the scope of protection of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the word is covered in a manner similar to the term "including", just as "including," is explained as a transitional word in the claims. In addition, any term "or" used in the specification of the claims is intended to mean "non-exclusive or".

Claims

1. A method for calculating land subsidence volume, characterized in that: include: S100. Obtaining real-time monitoring data of ground subsidence; S200. Perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence; S300. Draw a polygonal area on the land subsidence settlement thematic map according to user needs, and obtain the land subsidence amount and area of ​​the polygonal area; S400. Calculate the settlement volume within the polygonal region based on the ground settlement amount and area of ​​the polygonal region, and visualize the settlement volume.

2. A method for calculating land subsidence volume according to claim 1, characterized in that: In S100, real-time monitoring data of ground subsidence is obtained. The specific method includes: according to the requirements for drawing the ground subsidence, the monitoring data of the real-time monitoring device is imported or accessed. The real-time monitoring data is obtained from the monitoring device through a data acquisition interface. In addition, manually sorted monitoring data can also be imported. The monitoring data acquisition should at least include a unified number, monitoring time, and settlement information to achieve the acquisition of ground subsidence monitoring data.

3. A method for calculating land subsidence volume according to claim 1, characterized in that: The real-time monitoring data is acquired through a data acquisition interface, and the real-time monitoring data is standardized. The specific method includes: removing abnormal values ​​of the real-time monitoring data and filling missing values ​​of the real-time monitoring data.

4. A method for calculating land subsidence volume according to claim 1, characterized in that: In S200, the real-time monitoring data of ground subsidence is spatially analyzed to generate a thematic map of ground subsidence settlement. The specific method includes: obtaining the time range and regional range of the real-time monitoring data of ground subsidence to be analyzed, spatially processing the real-time monitoring data of ground subsidence within the time range and regional range, and applying spatial interpolation processing to the settlement data.

5. A method for calculating land subsidence volume according to claim 4, characterized in that: The settlement data are processed by spatial interpolation, and the spatial interpolation processing method includes at least Kriging interpolation and inverse distance weighted interpolation.

6. A method for calculating land subsidence volume according to claim 4, characterized in that: After the settlement data are processed by spatial interpolation, a continuous distribution map of ground settlement is obtained. The spatial analysis results are graded and matched with corresponding color schemes to generate a settlement thematic map.

7. A method for calculating land subsidence volume according to claim 1, characterized in that: In S300, a polygonal area is drawn on the ground subsidence thematic map according to user needs to obtain the ground subsidence and area of ​​the polygonal area. The specific method includes: using the system drawing toolbar to draw or import a polygonal area on the thematic map, and defining the vertices of the polygon by clicking points on the map to obtain the final closed polygon; according to the system spatial statistics function, the ground subsidence and area in each partitioned area are obtained.

8. A method for calculating land subsidence volume according to claim 1, characterized in that: In S400, the settlement volume within the polygonal area is calculated based on the ground settlement amount and area of ​​the polygonal area, and the settlement volume is visualized. The specific method includes: the settlement volume is the product of the regional ground settlement amount and the area; the settlement volume calculation results are graded, and after classification, the regional settlement volume is output and displayed in the form of a table or a bar graph, wherein the horizontal axis is the ground settlement classification and the vertical axis is the settlement volume.

9. A system for calculating land subsidence volume, using the method for calculating subsidence volume as claimed in any one of claims 1 to 8, characterized in that: include: Real-time monitoring data acquisition unit, thematic map generation unit, ground subsidence amount and area acquisition unit and subsidence volume visualization unit; among which: A real-time monitoring data acquisition unit, used to acquire real-time monitoring data of ground subsidence; A thematic map generating unit is used to perform spatial analysis on the real-time monitoring data of land subsidence to generate a thematic map of land subsidence; A ground subsidence amount and area acquisition unit is used to draw a polygonal area on the ground subsidence amount thematic map according to user requirements, and obtain the ground subsidence amount and area of ​​the polygonal area; The settlement volume visualization unit is used to calculate the settlement volume within the polygonal area according to the ground settlement amount and area of ​​the polygonal area, and to visualize the settlement volume.

10. An electronic device, characterized in that: include: one or more processors; A memory for storing one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the method for calculating the ground subsidence volume.

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