Method and system for evaluating and analyzing hydrogeological conditions of landfill in karst area

Abstract

The invention relates to the field of hydrogeological analysis, in particular to a karst area landfill hydrogeological condition evaluation and analysis method and system, and the method comprises the following steps: constructing an exploration data set of a karst area landfill; based on the exploration data set, hydrogeological characteristics of the karst area landfill are analyzed to obtain hydrogeological parameters of the karst area landfill; constructing a hydrogeological evaluation model of the karst area landfill according to the hydrogeological parameters; performing fitting analysis on hydrogeological conditions of the karst area landfill according to the hydrogeological evaluation model to obtain a model fitting result; and comprehensively evaluating and analyzing the hydrogeological conditions of the karst area landfill through the model fitting result. According to the method, a systematic exploration data set is constructed, the comprehensiveness of data is ensured, an evaluation model is constructed based on hydrogeological parameters to fit and reflect hydrogeological conditions, and a decision basis is provided for site selection, design and operation of a landfill.

Description

Technical Field

[0001] The invention relates to the field of hydrogeological analysis, in particular to a method and system for evaluating and analyzing hydrogeological conditions of a landfill in a karst area. Background Art

[0002] The unique geological structure and complex groundwater dynamics in karst areas pose severe challenges to the site selection and operation of landfills. In karst landforms, the groundwater system is complex, with extensive development of karst pipes, caves and fissures, which makes it difficult to predict the flow path of groundwater, the water volume varies greatly, and it is easily affected by climate change and human activities. These characteristics make the evaluation of hydrogeological conditions of landfills in karst areas a complex and critical task.

[0003] With the advancement of science and technology, modern technical means such as remote sensing technology, geophysical exploration and geochemical exploration have been gradually applied to hydrogeological surveys in karst areas, providing new ideas and methods for evaluating the hydrogeological conditions of landfills in karst areas; the evaluation of hydrogeological conditions of landfills in karst areas usually adopts a comprehensive application of multiple methods, including engineering geological survey and mapping, remote sensing technology, comprehensive geophysical prospecting, engineering geological in-situ testing technology, tracer tests and model tests, etc. However, these technologies still face many challenges in practical applications, such as the integration of different data types, the multi-solution of data interpretation and the integration and complementarity of different technical methods.

[0004] Therefore, it is particularly important to develop a scientific, systematic and efficient method and system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas. This method uses a variety of modern technical means to evaluate and analyze the hydrogeological conditions of landfills in karst areas, provide a reliable hydrogeological basis for the site selection, design, construction and operation of landfills, effectively prevent hydrogeological disasters, and ensure the stable operation of landfills in karst areas. Summary of the invention

[0005] In view of the defects in the prior art, the present invention provides a method and system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas.

[0006] In order to achieve the above-mentioned purpose, in the first aspect, the present invention provides a method for evaluating and analyzing the hydrogeological conditions of landfills in karst areas, the method comprising the following steps: constructing an exploration data set of landfills in karst areas; analyzing the hydrogeological characteristics of the landfills in karst areas based on the exploration data set to obtain the hydrogeological parameters of the landfills in karst areas; constructing a hydrogeological assessment model of the landfills in karst areas based on the hydrogeological parameters; fitting and analyzing the hydrogeological conditions of the landfills in karst areas based on the hydrogeological assessment model to obtain model fitting results; and comprehensively evaluating and analyzing the hydrogeological conditions of the landfills in karst areas through the model fitting results. The present invention ensures the comprehensiveness and accuracy of the analysis of the hydrogeological characteristics of landfills in karst areas by constructing a systematic exploration data set; constructing an evaluation model based on accurate hydrogeological parameters to improve the scientificity and reliability of the evaluation; the model fitting analysis can carefully reflect the actual hydrogeological conditions and help discover potential risks; the final comprehensive evaluation analysis provides a scientific decision-making basis for the site selection, design and operation of the landfill, effectively reducing environmental risks and operating costs.

[0007] Optionally, the construction of the exploration data set of the karst landfill includes: obtaining the groundwater level, water volume, water quality, flow direction, flow velocity and chemical characteristics by exploring the hydrological information of the karst landfill; exploring the geological information of the karst landfill to obtain the geological structure, rock characteristics, rock cracks and karst development; monitoring the meteorological information of the karst landfill to obtain rainfall, evaporation and air temperature; and constructing the exploration data set of the karst landfill based on the hydrological information, geological information and meteorological information. The present invention comprehensively collects hydrological information, geological information and meteorological information to ensure the detailedness and accuracy of the data set; through comprehensive exploration of karst areas, accurately grasps the groundwater dynamics, geological structure and climatic conditions, and provides a solid data foundation for landfill assessment and subsequent planning, design and operation; constructs a multi-dimensional exploration data set to provide comprehensive data support for subsequent hydrogeological analysis, improves the scientificity and effectiveness of the hydrogeological condition assessment of karst landfills, and ensures environmental safety and economic feasibility.

[0008] Optionally, the hydrogeological characteristics of the karst landfill are analyzed based on the exploration data set to obtain the hydrogeological parameters of the karst landfill, including: using the exploration data set to calculate the water permeability of the rock formation of the karst landfill; obtaining the permeability coefficient of the karst landfill based on the processing of the exploration data set; calculating the water conductivity and pressure conductivity of the karst landfill according to the permeability coefficient; obtaining the water supply degree, water release coefficient and elastic water release coefficient of the karst landfill through experiments; and analyzing the exploration data set to obtain the rock porosity of the karst landfill. The present invention accurately calculates multiple hydrogeological parameters of the karst landfill, such as water permeability, porosity, permeability, etc., through in-depth analysis and processing of the exploration data set, and then derives key indicators such as water conductivity and water supply degree. The above hydrogeological parameters provide a quantitative basis for evaluating the hydrogeological conditions of the landfill, enhance the accuracy and feasibility of the evaluation, and help to formulate a scientific and reasonable landfill management strategy.

[0009] Optionally, the using the exploration data set to calculate and obtain the rock stratum water permeability of the landfill in the karst area includes:

[0010]

[0011] in, is the water permeability of the rock formation in the test section, is the stable flow rate of the test section rock formation, is the length of the test section rock formation, The present invention is based on the analysis and processing of the exploration data set, uses an expression to represent the water permeability of the rock formation, expresses the state of the rock formation, improves the convenience of subsequent research and analysis, and enhances the rigor of the present invention.

[0012] Optionally, obtaining the permeability coefficient of the landfill in the karst area based on processing the exploration data set includes:

[0013]

[0014] in, is the permeability coefficient, is the water inflow, is the natural thickness of the aquifer, is the thickness of the aquifer when pumping water, is the pumping influence radius, is the radius of the pumping well, is the average thickness of the aquifer during pumping, The present invention uses the detection data in the exploration data set to calculate the permeability coefficient of the karst landfill and expresses it with an expression, which provides a quantitative basis for the subsequent evaluation of the hydrogeological conditions of the karst landfill and enhances the accuracy of the evaluation results.

[0015] Optionally, the construction of the hydrogeological assessment model of the karst landfill based on the hydrogeological parameters includes: standardizing the exploration data set to obtain a characteristic data set of the karst landfill; introducing a loss function to construct the hydrogeological assessment model of the karst landfill based on the characteristic data set. The present invention ensures the consistency and comparability of the collected data by standardizing the exploration data set, provides a standardized characteristic data set for subsequent analysis, and introduces a loss function to construct a hydrogeological assessment model, which can describe the complex relationship between data, improve the accuracy and generalization ability of the model assessment, and provide a scientific and efficient technical solution for the evaluation of hydrogeological conditions of karst landfills.

[0016] Optionally, the introducing loss function to construct a hydrogeological assessment model for the karst landfill based on the characteristic data set includes:

[0017]

[0018] in, is the loss function, is the mean square error value, is the predicted value of groundwater level, is the actual value of the groundwater level, is the mean absolute error, is the predicted value of groundwater flow velocity, is the actual value of groundwater velocity, is the loss term related to the permeability of the rock formation, is the permeability coefficient, , and The invention introduces a loss function to construct a hydrogeological assessment model for landfills in karst areas, which can quantify the difference between the model prediction value and the actual value. The model parameters are continuously adjusted through the optimization algorithm to minimize the difference, which not only improves the model's ability to fit the complex hydrogeological conditions in karst areas, but also enhances the model's prediction accuracy and stability, providing strong scientific and technological support for the safe operation of landfills.

[0019] Optionally, the fitting analysis of the hydrogeological conditions of the karst landfill in accordance with the hydrogeological assessment model to obtain the model fitting result includes: fitting analysis of the groundwater dynamic change characteristics, geological structure, rock characteristics, rock fissures and karst development of the karst landfill in accordance with the hydrogeological assessment model to obtain the model fitting result. The present invention can comprehensively and accurately fit and analyze the groundwater dynamics, geological structure, rock characteristics, rock fissures and karst development of the karst landfill in accordance with the hydrogeological assessment model. The comprehensive analysis not only improves the understanding of the hydrogeological conditions of the landfill, but also ensures the accuracy and reliability of the assessment results, and provides a reference for the design, construction and operation of the landfill.

[0020] Optionally, the comprehensive evaluation and analysis of the hydrogeological conditions of the karst landfill site through the model fitting results includes: comparing the model fitting results with the actual hydrogeological conditions of the karst landfill site to obtain a comparison result; and comprehensively evaluating and analyzing the groundwater dynamic change characteristics, geological structure, rock characteristics, rock mass fissures and karst development of the karst landfill site based on the comparison result. The present invention can intuitively demonstrate the accuracy of the evaluation model through comparative analysis of the model fitting results and actual conditions, and comprehensively evaluate the key hydrogeological characteristics of the karst landfill site based on the comparison results, thereby ensuring the objectivity, comprehensiveness and accuracy of the evaluation, and providing solid technical support for the scientific management and decision-making of the landfill site.

[0021] In the second aspect, the present invention provides a system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas. The system executes the method for evaluating and analyzing the hydrogeological conditions of landfills in karst areas provided by the present invention. The system includes an input device, an output device, a processor, and a memory. The gain lies in that the hardware facilities integrated by the present invention have excellent performance, the input device, the output device, the processor, and the memory are interconnected, and the information transmission between the various components is smooth. Through the interaction of multiple hardware facilities, an efficient information processing system is constructed. The present invention integrates high-performance hardware facilities to ensure efficient and smooth data input, processing, and output. The various components work closely together to construct an efficient information processing system, which realizes the accurate evaluation and analysis of the hydrogeological conditions of landfills in karst areas, improves the efficiency and scientificity of decision-making, and provides a scientific basis and technical support for the safe operation of subsequent landfills. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A flow chart of a method for evaluating and analyzing hydrogeological conditions of a landfill in a karst area according to an embodiment of the present invention;

[0023] Figure 2A schematic diagram of iso-water levels of groundwater in a karst area landfill site according to an embodiment of the present invention;

[0024] Figure 3 This is a framework diagram of a system for evaluating and analyzing hydrogeological conditions of a landfill in a karst area according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is obvious to those of ordinary skill in the art that these specific details do not need to be adopted to implement the present invention. In other examples, in order to avoid confusing the present invention, known circuits, software or methods are not specifically described.

[0026] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "in one embodiment," "in an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or subcombination. In addition, it should be understood by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale.

[0027] See also Figure 1 An embodiment of the present invention provides a method for evaluating and analyzing hydrogeological conditions of a landfill in a karst area, the method comprising the following steps:

[0028] S1. Construct an exploration dataset of landfills in karst areas.

[0029] Among them, S1 specifically includes the following steps:

[0030] S11. Obtain the groundwater level, water volume, water quality, flow direction, flow velocity and chemical characteristics by exploring the hydrological information of the landfill in the karst area.

[0031] Specifically, in the present embodiment, the groundwater level information is obtained by detecting the karst landfill using monitoring wells through reasonably designed exploration points; the water volume information of the groundwater in the karst landfill is obtained through pipeline water volume monitoring; the groundwater is sampled and the water quality information of the karst landfill is analyzed through experiments; the flow direction information and flow velocity information of the groundwater in the karst landfill are obtained through tracer experiments; the groundwater is sampled and the chemical characteristics of the groundwater in the karst landfill are obtained through laboratory chemical experimental analysis; and the obtained hydrological information is saved in a memory.

[0032] Furthermore, in this embodiment, for the purpose of obtaining hydrogeological information with reference value, the basic characteristics of groundwater recharge-runoff-discharge are taken into consideration to design the location of the groundwater dynamic monitoring wells on the site, and 5 new monitoring wells are arranged, as shown in Table 1:

[0033] Table 1 Monitoring well information table

[0034]

[0035] More specifically, in this embodiment, see Figure 2 The figure shows a schematic diagram of groundwater isolevel lines of the landfill in the karst area obtained through monitoring wells, and the proposed scope of the landfill is divided according to the distribution of groundwater levels in the karst area.

[0036] S12. Exploring the geological information of the landfill in the karst area to obtain the geological structure, rock characteristics, rock fissures and karst development.

[0037] Specifically, in this embodiment, the processor uses surveying and mapping technology to perform geological mapping of the area where the karst landfill is located, thereby obtaining the geological structure, rock characteristics, rock fractures and karst development of the area, and storing the acquired geological information in a memory.

[0038] S13, monitoring the meteorological information of the landfill in the karst area to obtain rainfall, evaporation and temperature.

[0039] Specifically, in this embodiment, a rain gauge is used to monitor the rainfall in the area where the karst landfill is located; an evaporimeter is used to monitor the evaporation; a temperature sensor is used to collect temperature information, and the obtained meteorological information is saved in a memory.

[0040] S14. Constructing an exploration data set of the landfill in the karst area based on the hydrological information, geological information and meteorological information.

[0041] Specifically, in this embodiment, a processor is used to fuse the hydrological information, geological information and meteorological information using geographic information system technology to construct an exploration data set, and the exploration data set is saved in a memory.

[0042] S2. Analyze the hydrogeological characteristics of the karst area landfill based on the exploration data set to obtain the hydrogeological parameters of the karst area landfill.

[0043] Among them, S2 specifically includes the following steps:

[0044] S21. Calculate the water permeability of the rock formation of the landfill in the karst area by using the exploration data set.

[0045] Specifically, in this embodiment, the processor analyzes and processes the data in the exploration data set, performs a drilling water pressure test to calculate the water permeability of the rock formation, and stores the calculation result of the water permeability of the rock formation in a memory, including:

[0046]

[0047] in, is the water permeability of the rock formation in the test section, is the stable flow rate of the test section rock formation, is the length of the test section rock formation, is the rock pressure in the test section.

[0048] More specifically, in this embodiment, the test results of the borehole water pressure test include the calculation results of the rock formation water permeability and the permeability evaluation, as shown in Table 2:

[0049] Table 2 Results of drilling water pressure test

[0050]

[0051] S22. Obtaining the permeability coefficient of the landfill in the karst area based on processing the exploration data set.

[0052] Specifically, in this embodiment, a processor is used to perform a pumping test on the data in the exploration data set, thereby calculating the permeability coefficient of the landfill in the karst area, and saving the calculation result in a memory, including:

[0053]

[0054] in, is the permeability coefficient, is the water inflow, is the natural thickness of the aquifer, is the thickness of the aquifer when pumping water, is the pumping influence radius, is the radius of the pumping well, is the average thickness of the aquifer during pumping, is the filter length.

[0055] It should be noted that in this embodiment, because the pumping test is greatly affected by the water level and weather, the pumping influence radius includes:

[0056]

[0057] in, is the pumping influence radius, To lower the water level in the pumping well, is the natural thickness of the aquifer, is the permeability coefficient.

[0058] S23. Calculate the water conductivity and pressure conductivity of the landfill in the karst area according to the permeability coefficient.

[0059] Specifically, in this embodiment, the hydraulic conductivity of the landfill in the karst area is represented based on the hydraulic conductivity by a processor and stored in a memory, including:

[0060]

[0061] in, is the hydraulic conductivity, is the permeability coefficient, is the thickness of the aquifer.

[0062] More specifically, in this embodiment, the pressure conductivity coefficient of the landfill in the karst area is expressed by a processor based on the permeability coefficient, and the result is stored in a memory, including:

[0063]

[0064] in, is the pressure transmission coefficient, is the permeability coefficient, is the water storage coefficient.

[0065] S24. The water supply degree, water release coefficient and elastic water release coefficient of the landfill in the karst area are obtained through experiments.

[0066] Specifically, in this embodiment, the processor is used to obtain the water supply degree, water release coefficient and elastic water release coefficient of the landfill in the karst area based on hydrogeological experiments and combined with data simulation methods, and the obtained data is stored in the memory.

[0067] S25. Analyze the exploration data set to obtain the rock stratum porosity of the landfill in the karst area.

[0068] Specifically, in this embodiment, a processor is used to perform indoor conventional tests based on 12 groups of undisturbed soil samples to measure porosity, and a total of 11 groups of valid data are obtained. The test results are stored in a memory, and the test results are shown in Table 3:

[0069] Table 3 Porosity of Quaternary silty clay

[0070]

[0071] S3. Constructing a hydrogeological assessment model for the landfill in the karst area based on the hydrogeological parameters.

[0072] Among them, S3 specifically includes the following steps:

[0073] S31. Standardize the exploration data set to obtain a characteristic data set of the karst area landfill.

[0074] Specifically, in this embodiment, using a processor to perform standardization processing on the exploration data set based on the mean and standard deviation of the data in the exploration data set to obtain a feature data set, and storing the feature data set in a memory, includes:

[0075]

[0076] in, is the characteristic data, is the original data in the exploration dataset, is the mean of the original data, is the standard deviation of the original data.

[0077] S32. Introduce a loss function to construct a hydrogeological assessment model for the landfill in the karst area based on the characteristic data set.

[0078] Specifically, in this embodiment, a processor is used to introduce the mean square error of groundwater level, the mean absolute error of groundwater velocity, and the loss term of rock permeability into the loss function with certain weights to construct a hydrogeological evaluation model, and the constructed hydrogeological evaluation model is stored in a memory, including:

[0079]

[0080] in, is the loss function, is the mean square error value, is the predicted value of groundwater level, is the actual value of the groundwater level, is the mean absolute error, is the predicted value of groundwater flow velocity, is the actual value of groundwater velocity, is the loss term related to the permeability of the rock formation, is the permeability coefficient, , and is the weight coefficient.

[0081] Furthermore, an optimizer is used to set training parameters, and the hydrogeological assessment model is trained based on the characteristic data set so that the model fitting result and the actual value are minimized.

[0082] S4. Perform fitting analysis on the hydrogeological conditions of the landfill in the karst area according to the hydrogeological assessment model to obtain a model fitting result.

[0083] Specifically, in this embodiment, a processor is used to perform fitting analysis on the groundwater dynamic change characteristics, geological structure, rock characteristics, rock fractures and karst development of the landfill in the karst area based on the hydrogeological assessment model to obtain a model fitting result, and the model fitting result is stored in a memory.

[0084] S5. Comprehensively evaluate and analyze the hydrogeological conditions of the landfill in the karst area based on the model fitting results.

[0085] Among them, S5 specifically includes the following steps:

[0086] S51, comparing and analyzing the model fitting result and the actual hydrogeological conditions of the landfill in the karst area to obtain a comparison result.

[0087] Specifically, in this embodiment, a processor is used to compare and analyze the model fitting results of the hydrogeological assessment model with the actual groundwater dynamic change characteristics, geological structure, rock characteristics, rock fractures and karst development conditions of the landfill in the karst area to obtain a comparison result, and the comparison result is saved in a memory.

[0088] S52. Based on the comparison results, a comprehensive evaluation and analysis is conducted on the groundwater dynamic change characteristics, geological structure, rock characteristics, rock fissures and karst development of the landfill in the karst area.

[0089] Specifically, in this embodiment, a processor is used to conduct a comprehensive evaluation and analysis on the hydrogeological conditions of the landfill in the karst area based on the comparison results.

[0090] Furthermore, in this embodiment, the engineering suitability for constructing a landfill is assessed based on a comprehensive evaluation and analysis of the hydrogeological conditions in the karst area.

[0091] See also Figure 3In an optional embodiment, in order to efficiently execute the method for evaluating and analyzing the hydrogeological conditions of landfills in karst areas provided by the present invention, the present invention provides a system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas, the system comprising an input device, an output device, a processor and a memory, the hardware facilities being interconnected, wherein the memory is used to store a computer program, the computer program comprising program instructions, the processor being configured to call the program instructions and execute the specific steps of the relevant embodiments of the method for evaluating and analyzing the hydrogeological conditions of landfills in karst areas provided by the present invention. The system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas provided by the present invention has a complete structure, is objective and stable, and can efficiently execute the method for evaluating and analyzing the hydrogeological conditions of landfills in karst areas provided by the present invention, thereby improving the overall applicability and practical application capability of the present invention.

[0092] In summary, the method of the present invention provides a method and system for evaluating and analyzing the hydrogeological conditions of landfills in karst areas, constructs a systematic exploration data set to ensure the comprehensiveness of the data, constructs an evaluation model based on hydrogeological parameters to fit and reflect the hydrogeological conditions, and comprehensively uses a variety of modern technical means to achieve accurate detection and analysis of groundwater systems in karst areas, providing a reliable hydrogeological basis for the site selection, design, construction and operation of landfills, effectively avoiding geological disasters, and ensuring the long-term stable operation of landfills. The method of the present invention is easy to understand, simple to calculate, has a small workload, is easy to apply in engineering, and provides a theoretical basis and technical support for the further development of the field of hydrogeological analysis.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A method for evaluating and analyzing hydrogeological conditions of landfills in karst areas, characterized in that: The steps include: Constructing an exploration dataset of landfills in karst areas; Analyzing the hydrogeological characteristics of the karst area landfill based on the exploration data set to obtain the hydrogeological parameters of the karst area landfill; Constructing a hydrogeological assessment model for the landfill in the karst area based on the hydrogeological parameters; Performing fitting analysis on the hydrogeological conditions of the landfill in the karst area according to the hydrogeological assessment model to obtain a model fitting result; The model fitting results are used to conduct a comprehensive evaluation and analysis of the hydrogeological conditions of the landfill in the karst area.

2. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 1, characterized in that: The construction of the exploration data set of the landfill in the karst area includes: Obtaining groundwater level, water volume, water quality, flow direction, flow velocity and chemical characteristics by exploring hydrological information of the landfill in the karst area; Exploring the geological information of the landfill in the karst area to obtain the geological structure, rock characteristics, rock fractures and karst development; Monitoring meteorological information of the landfill in the karst region to obtain rainfall, evaporation and temperature; An exploration data set of the landfill in the karst area is constructed based on the hydrological information, geological information and meteorological information.

3. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 2, characterized in that: The hydrogeological characteristics of the karst area landfill are analyzed based on the exploration data set to obtain the hydrogeological parameters of the karst area landfill, including: Using the exploration data set to calculate and obtain the rock layer water permeability of the landfill in the karst area; Obtaining a permeability coefficient of the karst area landfill based on processing the exploration data set; Calculating the hydraulic conductivity and pressure conductivity of the landfill in the karst area according to the permeability coefficient; The water supply degree, water release coefficient and elastic water release coefficient of the landfill in the karst area are obtained through experiments; The exploration data set is analyzed to obtain the rock stratum porosity of the landfill in the karst area.

4. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 3, characterized in that: The method of using the exploration data set to calculate and obtain the rock layer water permeability of the landfill in the karst area includes: ； in, is the water permeability of the rock formation in the test section, is the stable flow rate of the test section rock formation, is the length of the test section rock formation, is the rock pressure in the test section.

5. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 3, characterized in that: The step of obtaining the permeability coefficient of the karst area landfill based on processing the exploration data set comprises: ； in, is the permeability coefficient, is the water inflow, is the natural thickness of the aquifer, is the thickness of the aquifer when pumping water, is the pumping influence radius, is the radius of the pumping well, is the average thickness of the aquifer during pumping, is the filter length.

6. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 3, characterized in that: The hydrogeological assessment model of the karst area landfill is constructed based on the hydrogeological parameters, including: Standardizing the exploration data set to obtain a characteristic data set of the karst area landfill; A loss function is introduced to construct a hydrogeological assessment model for the landfill in the karst area based on the characteristic data set.

7. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 6, characterized in that: The introducing loss function constructs the hydrogeological assessment model of the karst area landfill based on the characteristic data set, including: ； in, is the loss function, is the mean square error value, is the predicted value of groundwater level, is the actual value of the groundwater level, is the mean absolute error, is the predicted value of groundwater flow velocity, is the actual value of groundwater velocity, is the loss term related to the permeability of the rock formation, is the permeability coefficient, , and is the weight coefficient.

8. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 6, characterized in that: The fitting analysis of the hydrogeological conditions of the landfill in the karst area according to the hydrogeological assessment model to obtain the model fitting result includes: Based on the hydrogeological assessment model, a fitting analysis is performed on the groundwater dynamic change characteristics, geological structure, rock characteristics, rock fissures and karst development of the landfill in the karst area to obtain a model fitting result.

9. The method for evaluating and analyzing hydrogeological conditions of landfills in karst areas according to claim 8, characterized in that: The comprehensive evaluation and analysis of the hydrogeological conditions of the landfill in the karst area by using the model fitting results includes: Comparative analysis is performed on the model fitting results and the actual hydrogeological conditions of the landfill in the karst area to obtain comparative results; Based on the comparison results, a comprehensive evaluation and analysis is conducted on the dynamic change characteristics of groundwater, geological structure, rock characteristics, rock fissures and karst development of the landfill in the karst area.

10. A system for evaluating and analyzing hydrogeological conditions of landfills in karst areas, characterized in that: The system includes an input device, an output device, a processor and a memory, wherein the input device, the output device, the processor and the memory are interconnected, wherein the memory is used to store a computer program, the computer program includes program instructions, and the processor is configured to call the program instructions to execute the method for evaluating and analyzing the hydrogeological conditions of a landfill in a karst area as described in any one of claims 1 to 9.

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