43 results about "Groundwater resources" patented technology

A simulation method for characterizing the spatiotemporal changes of groundwater levels, which belongs to the technical field of computer machine learning; includes the steps of: obtaining long-term groundwater level data based on long-term groundwater monitoring wells; superimposing multiple hydrogeological parameter information based on groundwater level data; and constructing a regional neural network model with physical mechanism by using a two-dimensional groundwater seepage equation serving as a physical mechanism, thereby simulating the temporal and spatial evolution of regional groundwater levels. The present invention can strengthen the rational use of groundwater resources, implement scientific and effective supervision, and provide a scientific basis for protecting regional groundwater safety and promoting the sustainable development of groundwater resources.

The invention relates to the technical field of intelligent early warning, in particular to a desert vegetation-underground water intelligent monitoring and early warning method based on artificial intelligence. The method comprises the following steps: obtaining a vegetation-groundwater multi-source monitoring interface corresponding to a target desert area, and carrying out vegetation growth and groundwater multi-source data acquisition and preprocessing to generate desert vegetation-groundwater standardized monitoring data; vegetation-groundwater ecological correlation characterization analysis processing is carried out through the desert vegetation-groundwater standardized monitoring data, desert ecological coupling analysis is carried out at the same time, and desert vegetation-groundwater ecological coupling relation data is generated; based on the desert vegetation-groundwater ecological coupling relation data, desert ecological vulnerable area identification analysis is carried out, an artificial intelligence coupling model is constructed to carry out ecological evolution trend deduction and early warning analysis, and desert vegetation-groundwater ecological early warning data are generated. According to the invention, cooperative monitoring and early warning of the vegetation growth state and underground water resources in the desert area can be realized.

The invention discloses a coal-uranium collaborative mining circulation supply mining system and an application method, and particularly relates to the technical field of coal-uranium mining and a geological institution.The geological institution comprises a surface layer, a uranium layer, a coal seam and underground runoff, the surface layer is located above the uranium layer, the uranium layer is located above the coal seam, and the underground runoff is located above the coal seam. The underground runoff is located between the surface layer and the uranium layer; and the ground mining mechanism comprises an injection well, an extraction well, a leaching solution preparation tank, a uranium comprehensive treatment bin, a liquid injection pump, a liquid extraction pump, a liquid injection pipe and a liquid extraction pipe. According to the method, partition isolation and staged collaborative proceeding of uranium mine in-situ leaching mining and coal mining are achieved by planning the barrier infiltration reduction mechanism, the overall recovery efficiency of uranium and coal resources is improved, the pollution risk of uranium-containing leachate discharge to the environment is reduced, underground water resources are fully recycled, and the method has the advantages of being environmentally friendly, efficient and safe.

The embodiment of the invention discloses a water resource quality detection method and device applied to a water diversion project and electronic equipment. A specific implementation mode of the method comprises the following steps: performing water quality detection on a water area where a water diversion project is located to obtain an earth surface water quality data set and an underground water quality data set; constructing an earth surface data structure network according to a pre-constructed water area simulation model and an earth surface water quality data set; constructing an underground data structure network; performing water pollution detection on the water area to generate an earth surface water quality detection result set and an underground water quality detection result set; performing correlation analysis on the surface water resources and the underground water resources of the water area to generate water pollution correlation characteristics; determining a surface water pollution area and an underground water pollution area of the water area; and determining the surface water quality detection result set, the underground water quality detection result set, the surface water pollution area, the underground water pollution area and the water pollution correlation characteristics as water resource quality detection results. According to the embodiment, the accuracy of the water area overall quality detection result can be improved.

The application belongs to the technical field of groundwater resource management, and discloses an integrated method of groundwater source environment safety and sustainable utilization technology, which comprises the following steps: first step, multi-source database construction and feature recognition; second step, technology system construction and applicability evaluation; third step, technology combination comparison and effect evaluation; fourth step, system integration and output. The beneficial effects are as follows: the technical problems of cross-disciplinary joint interpretation and mechanism identification caused by the format and scale conflicts of original data are solved completely. The repeated calculation contribution caused by the strong internal correlation of indexes is effectively weakened, so that the applicability score of the final calculation can truly and accurately reflect the physical matching relationship between the technology and the complex hydrogeological environment condition. The globally optimal integrated technology path screening with high self-adaptation and cross-scenario robustness in the multi-dimensional conflict solution space is realized, and a scientific and operable tool for fine management is provided.

The invention provides an arid area flood rapid infiltration underground water layered replenishment system, which relates to the technical field of underground water resources, and comprises a gutter and a flood storage and infiltration area which are sequentially arranged from upstream to downstream, and a sand blocking net is arranged between the gutter and the flood storage and infiltration area. Through arrangement of a mechanical structure, layered supply of underground water is achieved, use of a sensor in the lower water seepage hose is avoided to the maximum extent, and the device is reliable and high in practicability.

The application discloses an underground water intelligent pumping system, and relates to the technical field of water resource collection.The underground water intelligent pumping system comprises an information processing terminal, an underground water pumping subsystem is communicatively connected to one side of the information processing terminal, and an underground water monitoring subsystem is arranged on the other side of the information processing terminal.The underground water monitoring subsystem and the underground water pumping subsystem are arranged to realize real-time monitoring of underground water level and water volume, so that the underground water resource condition can be grasped in time, a reasonable pumping scheme can be made, accurate control of the underground water pumping process can be realized, and the pumping efficiency is improved.Under the action of a water resource scheduling module, intelligent scheduling of the underground water pumping can be realized according to the actual water use condition of the surrounding area, the effective use of water resources is ensured, and meanwhile, in the process of exploitation, the geological condition and the surface river water level condition are detected in real time through a geological detection assembly and a surface water level monitoring assembly, so that environmental problems such as ground subsidence and river cutoff are avoided.

The invention discloses a high-efficiency pollution-free terrestrial heat exploitation method, and relates to the technical field of terrestrial heat exploitation. Comprising the following steps: S1, drilling preparation; s2, wire-line coring drilling operation is carried out; s3, a target stratum is reached, and a drill bit is recycled; s4, selecting and tripping in a gravity assisted heat pipe; and S5, terrestrial heat extraction operation. Terrestrial heat is extracted by means of phase change heat transfer of the gravity assisted heat pipe, underground hot water does not need to be extracted, and the problems of consumption of underground water resources and possible environmental pollution caused by the consumption are avoided; once the gravity assisted heat pipe is tripped into a well and works normally, extra power drive is not needed, heat transfer can be achieved only through natural phase change and circulation of a working medium, and investment cost is basically not needed in the operation process. The gravity assisted heat pipe is of a continuous long pipe structure, threaded connection is not needed, and heat collection operation can be conducted more reliably; the gravity assisted heat pipe is provided with the groove body used for containing and guiding backflow liquid, the backflow liquid can be prevented from affecting the heat collection effect, and more efficient heat collection is achieved.

The invention relates to the technical field of oil exploration and development, and discloses a stratum collapse pressure earthquake prediction method and device based on rock mechanics nonlinear variation, and the method comprises the steps: carrying out the nonlinear fitting of compressive strength with rock cohesion and an internal friction angle through a triaxial mechanics experiment, and obtaining a corresponding fitting relation; then, through seismic inversion, a rock mechanical attribute body, an overlying stratum pressure body, a pore pressure body, a maximum horizontal principal stress body, a minimum horizontal principal stress body, and three-dimensional space rock cohesion distribution and internal friction angle distribution are obtained through calculation; and finally, according to the pore pressure body, the maximum horizontal principal stress body, the minimum horizontal principal stress body, the three-dimensional space rock cohesion distribution and the three-dimensional space rock internal friction angle distribution, predicting stratum three-dimensional collapse pressure body data in combination with a collapse pressure calculation model. By means of the method, the formation collapse pressure can be predicted more accurately, geological disasters caused by improper drilling operation can be reduced, and therefore the geological environment is protected, and potential influences on the earth surface and underground water resources are reduced.

The application provides a regional groundwater resource monitoring and scheduling platform and method considering climate change, relates to the technical field of water resource scheduling, and the platform comprises: a module construction unit, which constructs a multilayer water resource sampling module; an influence analysis unit, which introduces real-time climate monitoring data, extracts multiple groups of climate influence factors, and analyzes initial water resource monitoring data; a coupling analysis unit, which constructs a three-layer water resource coupling model and analyzes updated water resource monitoring data; and a water resource scheduling unit, which is used for making water resource scheduling decisions for a target region according to water resource coupling monitoring data. The application can solve the technical problem in the prior art that, due to only sampling and monitoring confined aquifers, the spatial representativeness is insufficient and the error is unknown, and the water resource condition is easily misjudged, thereby affecting the water resource scheduling decision risk, the three-layer architecture and the coupling model are introduced, the water resource scheduling decision risk is reduced, and the accuracy of water resource scheduling is improved.

The present application relates to a kind of calculation methods of arid inland basin groundwater resource recharge, in preselected area setting multiple exploration points, obtain the geological structure composition and hydrogeological condition of area;Geological structure model of area is constructed;Based on the geological structure model of area, plain area space aquifer permeability coefficient, aquifer water supply degree is divided into area;With the help of in-situ monitoring test mode, surface water runoff of monitoring point is collected, based on runoff, obtain groundwater recharge;With the help of statistical method, the function curve of recharge and runoff is established, and the prediction formula of recharge is obtained;Based on the prediction formula of recharge and hydrogeological condition, the annual recharge of groundwater recharge of area is predicted.This method solves the problem that the calculation of arid inland basin groundwater resource recharge is not accurate, difficult to calculate, difficult to manage groundwater resources, difficult to configure.

The invention discloses a rapid assessment method for groundwater resource stock in a hilly area based on a gravity satellite and river base flow, and relates to the technical field of groundwater resource stock assessment, and the method comprises the steps: collecting GRACE data, WGHM hydrological model data, soil humidity data and runoff data, and filling and processing a data blank; calculating the base flow by adopting a digital filtering algorithm; according to the principle of water balance, non-groundwater signals are removed from the land water signals inverted by GRACE to obtain a groundwater stock change value; calculating underground water resource stock offset and absolute stock by constructing a linear correlation between an underground water stock change value and base flow; and the actually-measured groundwater level data is used for calculating the actually-measured groundwater storage amount, and the absolute groundwater resource storage amount obtained through evaluation is verified. Technical support can be provided for rapid assessment of groundwater resource stock in the hilly region, and the method has positive significance in protection and utilization of groundwater.

The utility model provides a porous water pumping test device, which belongs to the technical field of underground water exploration and comprises a fixed table and a plurality of support plates arranged on the outer side of the fixed table. And the drilling mechanism comprises a driving assembly which is arranged on the outer surfaces of the supporting plates and can switch different drilling modes according to different soil hardness, and a regulation and control assembly which is arranged on the outer surface of the fixing table and used for controlling the multiple supporting plates and the driving assembly to conduct lifting and variable-pitch movement. According to the utility model, through the cooperation of all parts in the driving assembly and the regulation and control assembly, not only can the spacing of a plurality of drill rods be flexibly adjusted to adapt to the porous distribution requirement and meet the diversified pumping test requirements, but also the working modes of the drill rods can be freely switched according to different terrain environments; through the pumping test of the submersible pump, the key hydrogeological parameters of the aquifer, such as the permeability coefficient, the water diversion coefficient and the specific yield, can be accurately calculated, the groundwater resource potential is effectively evaluated through the parameters, and the foundation of a development scheme is formulated.

The present application relates to the technical field of groundwater sampling, and specifically discloses a groundwater sampling device for geotechnical engineering investigation, which comprises an electric wire releasing device, a buzzer arranged at the top of the front side of the electric wire releasing device, a steel wire rope wound around the outer wall of the electric wire releasing device, a sampling cylinder with its top end arranged at the top end of the steel wire rope, a water inlet arranged at the bottom end of the right side of the outer wall of the sampling cylinder, an air inlet arranged at the top of the right side of the outer wall of the sampling cylinder, and an air outlet arranged at the top of the left side of the outer wall of the sampling cylinder, and three one-way valves arranged at the outer walls of the water inlet, the air inlet and the air outlet respectively. The device effectively solves the problem that the suitable depth sample below the groundwater level cannot be accurately collected in the prior art, improves the accuracy and reliability of groundwater sampling, provides more scientific and accurate data support for groundwater resource management, environmental monitoring and geological research, and helps to promote the in-depth development and progress of related fields.

This invention provides a method and apparatus for monitoring groundwater resources, belonging to the field of groundwater flow measurement technology. The method includes: obtaining the comprehensive fluid interference intensity of groundwater based on the differences in signal amplitude and instantaneous phase between low-frequency and high-frequency ultrasonic signal sequences; obtaining the bubble intensity disturbance factor of groundwater based on the comprehensive fluid interference intensity and the changes in pipe environmental water pressure data in adjacent sampling periods; dynamically compensating a preset reference sound velocity based on the bubble intensity disturbance factor, and combining this with the ultrasonic propagation time difference to obtain corrected real groundwater flow velocity data. This invention improves the accuracy of groundwater resource monitoring.

The application provides a method and device for optimizing and checking precipitation infiltration coefficients, electronic equipment and a storage medium, and belongs to the technical field of hydrogeology and groundwater resource evaluation. In the method, a series coupling framework of a calibrated Hydrus model (point scale physical model) -> a precipitation infiltration coefficient initial field in space (plane scale) -> a regional groundwater flow numerical model (volume scale verification) is constructed. Distributed groundwater level monitoring data is used as a global constraint, and the precipitation infiltration coefficient initial field is optimized through an inversion algorithm, so that a scientific leap of the precipitation infiltration coefficient from discrete point values to a continuous high-precision field is realized, and the global verification is completed by using the regional response, so that the spatial representativeness and accuracy problem of the precipitation infiltration coefficient is fundamentally solved.

The invention provides a dynamic identification and restoration decision-making method for an underground water funnel area, and belongs to the technical field of water conservancy optimization based on deep learning. The method comprises the following steps: firstly, constructing a high-dimensional underground water state data set; then, establishing an underground water evolution numerical model by utilizing the data set, and realizing dynamic and accurate extraction of three-dimensional boundaries and key characteristic parameters of the funnel area; then through a deep learning prediction model cluster, on the premise of following a groundwater dynamic physical rule, high-fidelity and uncertainty quantitative rapid prediction is carried out on future head field changes; and finally, taking the prediction model as a decision-making deduction environment, and training an intelligent agent by using a deep reinforcement learning algorithm, so that the intelligent agent can autonomously learn and generate an optimal restoration management and control strategy considering restoration benefits, economic cost and sustainability. According to the invention, a closed-loop intelligent system capable of autonomously learning and continuously optimizing is formed, and a scientific, efficient and systematic brand-new solution is provided for management of underground water resources.

The invention relates to the technical field of water resource management and evaluation, discloses an ecological factor-based underground water resource evaluation method, and aims to solve the problems that ecological factors are not fully combined in existing underground water resource evaluation and the influence on the sustainability of underground water resources is not realized. The underground water resources are accurately evaluated by introducing ecological factors and combining a remote sensing technology, a geographic information system and hydrological data, and the method comprises the steps of evaluation region division and feature analysis, underground water basic data collection and preprocessing, evaluation of underground water reserves and exploitable quantity, and analysis of ecological water demand and replenishment quantity. According to the method, the groundwater reserves and the exploitable quantity can be scientifically estimated, a reasonable groundwater resource exploitation and protection scheme is provided, and real-time monitoring and dynamic adjustment of groundwater resources are achieved. According to the method, the precision of underground water resource assessment is improved, ecological protection and sustainable development are also considered, and a scientific basis and a solution are provided for underground water management of regions with remarkable influence of various ecological factors.

The utility model provides an integrated monitoring device for underground water seepage and soil settlement. A waterproof box is fixed on the ground; the pre-buried pipeline is arranged in a soil layer below the waterproof box; the settlement monitoring module comprises a datum point device, a horizontal displacement sensor and a settlement sensor, and the horizontal displacement sensor and the settlement sensor are both fixed to the bottom of the pre-buried pipeline; the seepage monitoring module comprises an optical fiber seepage sensor and an adjustable connecting seat, and the optical fiber seepage sensor is mounted in the pre-buried pipeline through the adjustable connecting seat; the data collector is mounted in the waterproof box; the data processing storage module comprises a microprocessor and a storage chip, and the microprocessor is connected with the data collector through a signal line; the wireless communication module comprises a communication chip and a high-gain antenna. Through integrated monitoring and real-time acquisition, the device can timely discover underground water resource change and soil settlement and displacement conditions, and has the characteristics of high precision, integration, stability and reliability.

The application discloses a coal mine underground environment monitoring device and relates to the technical field of sampling and monitoring, which solves the problem that underground water is easily mixed with a large amount of impurities in the sampling process, thereby affecting the accuracy of subsequent monitoring structure when sampling and monitoring underground water in a coal mine underground environment. The coal mine underground environment monitoring device comprises a sampling cylinder and a supporting seat, the supporting seat is installed on the left and right sides of a horizontal expansion assembly, and a rope lifting assembly is installed on the side surface of the horizontal expansion assembly. In the application, the generated vibration force is small during the sampling of underground water samples, the bottom silt cannot be mixed in the underground water due to the vibration force, and the sampled underground water resources meet the standards. Moreover, when the sampling cylinder is sealed, the impurities of the underground water cannot be easily adhered to the inner wall of the opening of the sampling cylinder, the sealing effect of the sampling cylinder is better, and the accuracy of subsequent monitoring of the underground water samples is improved.

The application discloses a groundwater level space-time dynamic monitoring and visual analysis method and system, relates to the technical field of groundwater resource monitoring and visualization, and comprises the following six steps: multi-source data fusion preprocessing, mixed space interpolation of the Kriging and machine learning, isopachous surface generation and optimization, time sequence animation synthesis, abnormality identification and classification, and early warning heat map visualization. The system comprises a data acquisition module, a space interpolation module, an isopachous surface generation module, a time sequence animation module, an abnormality identification module and an early warning visualization module. The application improves the space interpolation precision through multi-source data fusion and mixed interpolation of the Kriging and machine learning, directly presents the space-time evolution of the water level through the isopachous surface and the time sequence animation, identifies abnormal areas such as over-exploitation funnel through space-time gradient analysis, and assists in management decision through the early warning heat map, so as to solve the technical problems of sparse monitoring sites and the difficulty of directly presenting the space-time evolution law in traditional reports.

The invention relates to an underground water hydrogeological attribute modeling method for underground water management, and the method comprises the steps: constructing an optimization model through constructing and fusing multi-modal low-rank constraint, smooth prior and sampling data and predicted sampling point data consistency constraint, and designing an improved alternating direction multiplier algorithm for solving. According to low-rank constraints of a geological law differentiation plane and a vertical mode, smoothing is only applied to the horizontal direction, and the vertical abrupt change capacity is reserved; and the hydrogeological attributes of the underground water can be accurately reconstructed. According to the method, the tensor, the convex optimization theory and geological prior knowledge are deeply fused, a novel geological field reconstruction framework which does not depend on traditional variation function modeling, does not need expert experience parameter adjustment and has strong generalization ability and calculation expandability is constructed, and the method can be widely applied to groundwater management-oriented scenes such as groundwater resource evaluation and pollution simulation.

The present application relates to the technical field of data processing, and more particularly to a groundwater renewal capacity evaluation method and system based on multi-source data fusion. The method comprises the following steps: obtaining a multi-source heterogeneous data set, processing geological heterogeneity through a spatial interpolation method, calculating the permeability value of each geological unit, and determining the permeability difference characteristics; predicting the spatio-temporal distribution of groundwater flow rate based on the permeability difference characteristics, combining with dynamic hydrological data, adjusting and calibrating the time sequence, and obtaining dynamic calibrated flow rate parameters; using the dynamic calibrated flow rate parameters, integrating the recharge rate and solute migration path information, calculating the stability parameters of hydrological cycle, and generating quantitative indicators of groundwater renewal rate and cycle efficiency; obtaining an optimized evaluation model, integrating multi-source data, calculating the comprehensive evaluation value of groundwater renewal capacity, and determining the final evaluation result of groundwater renewal capacity. The present application can accurately evaluate the groundwater renewal capacity and is suitable for the management and sustainable utilization of groundwater resources in karst areas.

This invention discloses a groundwater resource assessment method based on river-groundwater conversion relationships, belonging to the field of water resources technology. It retrieves raw hydrological data from a watershed hydrological database, generates groundwater sensitivity levels and raw hydrological feature fingerprints, and writes them into a storage ledger. Based on activity levels, an adaptive model generalization strategy is executed, storing the generalized groundwater model parameter set and generating a model storage fingerprint. This fingerprint is then associated with the raw hydrological feature fingerprint at the field level to generate a model credential fingerprint, which is written into the ledger. After verifying permissions, differentiated model calculations are performed, generating a response package fingerprint and updating the process stage. Post-verification is triggered, recalculating structural feature values ​​and verifying the rationality of parameter perturbations, generating a verification report fingerprint, and writing it into the ledger. This achieves a hierarchical adaptive assessment driven by river-groundwater conversion relationships. Through multi-level fingerprint association and distributed storage, the reliability, security, and computational efficiency of the assessment process are significantly improved.

This invention presents a method for quantitatively analyzing the relationship between land use change and groundwater level change, belonging to the field of groundwater resource change-driven research. This invention is the first to introduce the center-of-gravity shift theory into the research process of groundwater change, including the following steps: Step 1: Data collection and processing; Step 2: Groundwater cycle process simulation; Step 3: Climate time series data abrupt change point detection; Step 4: Preliminary analysis of the causes of groundwater level change; Step 5: Establishment of the center-of-gravity shift model; Step 6: Determination of the relationship between land use change and groundwater change. Addressing the difficulty in accurately determining groundwater resource change, this invention uses scenario simulation analysis based on climate abrupt change point detection to accurately identify the contribution rates of climate change and human activities to groundwater change. Furthermore, to address the difficulty in accurately quantifying the impact of different human activities on groundwater change, this invention constructs a center-of-gravity shift model to quantitatively analyze the relationship between different land use changes and groundwater resource changes. This invention contributes to improving water resource security in watersheds and provides theoretical support for the sustainable development and utilization of groundwater resources.

The invention provides a water-chamber mining area water resource safety guarantee and ecological utilization method, and relates to the field of mining area water resource management and ecological protection. The method comprises the following steps: pumping drainage and directional filling are performed on accumulated water in a goaf according to underground water seepage data; determining an underground water seepage channel and a seepage velocity thereof according to a goaf overlying strata fracture development rule; constructing an underground water storage system and converging the end points of the water guide paths to the underground water storage system; determining the function state of the underground water storage system according to the operation monitoring data of the underground water storage system; determining goaf mining intensity and a mining intensity distribution scheme based on water resource protection according to the comprehensive loading capacity index of the underground water storage system; and water resources in the underground water storage system are called to supply water to the surface ecological restoration zone. According to the method provided by the invention, safe management and control, efficient utilization and surface ecological restoration of water resources of the water-chamber mining area are effectively guaranteed, and the underground water resources are applied to the maximum efficiency.

The invention provides a water reserve change inversion method based on a particle swarm optimization optimization neural network, and the method mainly comprises the steps: carrying out the inversion of land water reserve change through a time-varying gravity field spherical harmonic coefficient provided by a GRACE / GRACE-FO satellite, and obtaining the underground water reserve change through an underground water reserve change calculation formula in combination with a hydrological model; selecting multi-source high-resolution grid data related to the change of the water reserves as the input of the neural network model, and taking a GRACE / GRACE-FO inversion result as the output; optimizing a weight and a threshold value of the BP neural network by adopting a particle swarm algorithm, and constructing a PSO-BP model for training to obtain an optimal network structure; inputting high-resolution multi-source data into the optimal model, carrying out inversion to obtain land water reserve change data with a spatial resolution of 0.25 degree * 0.25 degree and a continuous time sequence, and further calculating underground water reserve change with the same spatial resolution; according to the method, the spatial resolution and the time continuity of GRACE / GRACE-FO data for monitoring groundwater reserve changes in small and medium-scale areas are remarkably improved, high-precision data support can be provided for groundwater resource fine management and water safety evaluation, and the method has wide popularization and application values.

The invention relates to the technical field of resource management, and discloses a multi-source data fusion underground water resource quantity dynamic evaluation method and system, and the method comprises the steps: carrying out the space-time alignment of multi-source heterogeneous data, and obtaining a standardized data flow; performing deep spatial-temporal feature extraction on the standardized data stream to obtain a physical information feature field; based on the historical state and the physical information characteristic field, performing gating cycle deduction on the target area to obtain a preliminary state set; performing bidirectional set smooth data assimilation on the initial state set to obtain an optimal state sequence; based on the hydrogeological parameters and the optimal state sequence, flux analysis is carried out on the target area to obtain water balance dynamic data; based on the optimal state sequence and the water balance dynamic data, carrying out potential comprehensive research and judgment on the target area to obtain a comprehensive evaluation report; according to the invention, the efficiency of underground water resource quantity dynamic evaluation based on multi-source data fusion can be improved.

The present application provides a kind of pore fissure karst water source place three water threshold early warning method based on multi-source data, combines machine learning time series prediction model to excavate groundwater dynamic change trend, realize early warning threshold dynamic self-adaptive correction, effectively solve the problem that fixed threshold cannot adapt to groundwater system dynamic evolution.Finally, according to real-time monitoring data and dynamic threshold, real-time comparison and discrimination is carried out, multi-element grading precision early warning is realized, sufficient emergency disposal window period can be reserved, groundwater level anomaly, water pollution, water resources depletion and related irreversible geological environment problems are effectively prevented, and all-round, fine and dynamic safety warning of pore fissure karst composite water source place is realized, which ensures the rational development of groundwater resources and ecological environment safety.