A sustainable groundwater water source well arrangement design method and system

Abstract

The application provides a sustainable groundwater water source well arrangement design method and system, relates to the water source utilization treatment technical field, and the method comprises the following steps: obtaining hydrogeological data of a water source, dividing the water source into multiple sub-regions based on the hydrogeological data, calculating a comprehensive water quality index of each sub-region, and screening out a region lower than a preset water quality index as a target well arrangement area; according to the hydrogeological data, analyzing the underground water flow characteristics and geological conditions, and optimizing the well arrangement position in the target well arrangement area; using an analytical method, determining the well arrangement quantity, well spacing and single well production capacity at the high-quality well arrangement position, and forming a preliminary well arrangement scheme; taking the maximization of total production capacity and the minimization of well group interference as targets, constructing a water source well arrangement design model, and determining a target function and constraint conditions; taking the preliminary well arrangement scheme as initial input, combining the constraint conditions, applying an improved whale optimization algorithm, taking the minimization of the target function as a target for optimization, and outputting an optimal well arrangement scheme.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water source utilization and management, in particular to a sustainable groundwater source well layout design method and system. BACKGROUND

[0002] Groundwater, as an important water resource, is widely used in agriculture, industry and daily life around the world. With the increase of human activities and the scarcity of water resources, the rational utilization of groundwater has become an important issue in water resource management. Among numerous water sources, groundwater has a relatively stable water supply capacity and is the only water source in some areas. However, how to efficiently and sustainably utilize groundwater resources to ensure the stable supply of groundwater and the coordinated development of the ecological environment has become a major challenge in the field of science and technology. The design of groundwater source well layout aims to ensure the sustainability of groundwater resources and prevent problems such as water level decline and land subsidence caused by overexploitation of resources through rational planning of groundwater exploitation and utilization.

[0003] Currently, the design methods of groundwater source well layout mainly include conventional well layout method and geological survey method. The core idea of these technologies is to make reasonable well layout and exploitation scheduling according to the distribution, flow and quality characteristics of groundwater to ensure the sustainable utilization of groundwater. The conventional well layout method determines the groundwater level and quantity through investigation and analysis of groundwater resources, and makes reasonable well site design based on these data. Through detailed survey of the geological structure, rock-soil layer and other aspects of the groundwater source area, combined with hydrogeological data, the storage capacity and flow law of groundwater are determined. This method provides a scientific basis for well layout.

[0004] However, the existing methods often rely on experience, resulting in low accuracy of groundwater flow and storage prediction, making it difficult to achieve comprehensive optimization of well layout scheme. The existing methods rely on manual calculation to determine the number of wells, well spacing and exploitation capacity, lack scientific analysis and planning, resulting in unreasonable well layout, and further causing resource waste or overexploitation. SUMMARY

[0005] In order to solve the technical problems that the existing methods often rely on experience, resulting in low accuracy of groundwater flow and storage prediction, making it difficult to achieve comprehensive optimization of well layout scheme, and the existing methods rely on manual calculation to determine the number of wells, well spacing and exploitation capacity, lack scientific analysis and planning, resulting in unreasonable well layout, and further causing resource waste or overexploitation, the present application provides a sustainable groundwater source well layout design method and system.

[0006] The technical solutions provided by the embodiments of the present application are as follows:

[0007] First aspect:

[0008] The embodiment of the present application provides a sustainable groundwater source well arrangement design method, which comprises the following steps:

[0009] S1: Obtain hydrogeological data of the water source;

[0010] S2: According to the hydrogeological data, the water source is divided into multiple sub-regions, and the comprehensive water quality index of each sub-region is calculated;

[0011] S3: Determine whether each comprehensive water quality index is less than a preset water quality index; if yes, the sub-region is regarded as a target well arrangement region; otherwise, the sub-region is skipped;

[0012] S4: According to the hydrogeological data, the underground water flow characteristics and geological conditions are analyzed, and multiple high-quality well arrangement positions are determined from the target well arrangement region;

[0013] S5: According to the hydrogeological data, the well arrangement number, well arrangement distance and single well production capacity at each high-quality well arrangement position are determined by an analytical method, and a preliminary well arrangement scheme is generated;

[0014] S6: A water source well arrangement scheme design model is constructed by taking the maximum total production capacity and the minimum interference between well groups as targets, and a target function and a constraint condition of the water source well arrangement scheme design model are determined;

[0015] S7: Under the constraint of the constraint condition, the preliminary well arrangement scheme is taken as an initial input of the water source well arrangement scheme design model, and the whale optimization algorithm is improved to optimize the function value of the target function as a target, and an optimal well arrangement scheme is output.

[0016] Optionally, the hydrogeological data specifically comprises:

[0017] The underground water level, the water level change, the permeability coefficient, the aquifer thickness, the water storage coefficient, the underground water flow direction, the underground water flow velocity, the underground water flow mode, the total production capacity, the aquifer type, the water quality index, the underground water recharge rate and the underground water inflow;

[0018] The underground water flow mode comprises laminar flow and turbulent flow;

[0019] The aquifer type comprises a karst aquifer, a fissure aquifer and a sand and gravel layer.

[0020] Optionally, the S2 specifically comprises:

[0021] S201: According to the hydrogeological data, a region division standard for dividing the sub-region is determined;

[0022] S202: According to the regional division criteria, the water source area is divided into multiple sub-regions;

[0023] S203: Collect water quality parameters for each of the sub-regions, wherein the water quality parameters include dissolved oxygen, pH, turbidity, color, chloride, nitrate, total dissolved solids, and heavy metal concentration;

[0024] S204: Calculate the comprehensive water quality index of each of the sub-regions based on the various water quality parameters.

[0025] Optionally, the regional division criteria specifically include:

[0026] The water source area is divided into different sub-regions according to the direction and velocity of groundwater flow;

[0027] Alternatively, the water source area can be divided into different sub-regions according to the aquifer type and stratum thickness.

[0028] Optionally, the comprehensive water quality index is calculated as follows:

[0029] in, CWQI This represents the comprehensive water quality index. m This represents the total number of water quality parameters. C l Indicates the first l The measured concentrations of each water quality parameter R l Indicates the first l Standard limits for each water quality parameter α l Indicates the first l The weights of the impact of each water quality parameter on the health of the water body, where exp represents an exponential function. β This represents the weighting coefficients related to entropy. D entropy The entropy of water quality gamma This represents the correction factor for heavy metal substances, and max() represents the function to maximize the value. C toxic Indicates the concentration of heavy metal substances. R toxic Indicates the standard limits for heavy metal substances.

[0030] Optionally, S4 specifically includes:

[0031] S401: Obtain key data from the hydrogeological data for analyzing the groundwater flow characteristics and geological conditions, wherein the key data includes groundwater level, permeability coefficient, aquifer thickness, water flow direction, groundwater flow velocity, and recharge source;

[0032] S402: Based on the groundwater level, water flow direction and groundwater flow velocity, the location of wells with stable groundwater flow is initially determined;

[0033] S403: Based on the permeability coefficient, the aquifer thickness, and the recharge source, select a well location with sufficient water recharge capacity from the initially determined well locations as the high-quality well location.

[0034] Optionally, S5 specifically includes:

[0035] S501: Calculate the single-well production volume based on the aforementioned hydrogeological data;

[0036] S502: Calculate the number of wells based on the hydrogeological data;

[0037] S503: Calculate the well spacing based on the aforementioned hydrogeological data;

[0038] S504: Based on the calculated single-well production volume, the number of wells, and the well spacing, the wells are randomly arranged at the optimal well locations to generate the preliminary well layout plan.

[0039] Optionally, the objective function is specifically:

[0040]

[0041] in, f Describe the objective function. w 1 represents the weight for maximizing the amount of material extracted. Q i Indicates the first i The amount of water extracted from the well. w 2 represents the weight for minimizing well group disturbance. d ij Indicates the first i Koujing and the j The distance between wells.

[0042] Optionally, the constraints specifically include:

[0043] Ensure that the maximum output of a single well does not exceed the maximum allowable output of a single well;

[0044] Ensure that the total extraction volume does not exceed the maximum allowable extraction volume of the water source area;

[0045] Ensure that the spacing between wells is greater than or equal to the minimum spacing;

[0046] Ensure that the number of wells installed does not exceed the maximum number of wells limit;

[0047] Ensure that the well is located outside of non-sensitive areas.

[0048] The second aspect:

[0049] This invention provides a design system for a sustainable groundwater source well placement scheme, comprising:

[0050] processor;

[0051] A memory storing computer-readable instructions, which, when executed by the processor, implement the design method for a sustainable groundwater source well layout scheme as described in the first aspect.

[0052] Third aspect:

[0053] The present invention provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the design method for a sustainable groundwater source well layout scheme as described in the first aspect.

[0054] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following:

[0055] In this embodiment of the invention, by acquiring detailed hydrogeological data, calculating the comprehensive water quality index, and analyzing groundwater flow characteristics and geological conditions, the distribution and flow patterns of groundwater resources can be accurately grasped, providing a scientific basis for optimizing well placement schemes. Simultaneously, by determining the number of wells, well spacing, and extraction volume using analytical methods, and combining this with an optimization model for well placement scheme design, a reasonable well placement scheme can be accurately calculated. Further application of optimization algorithms ensures that the well placement scheme maximizes extraction volume and minimizes well group interference while meeting constraints, thereby ensuring a scientifically sound well layout, avoiding resource waste and over-extraction, and ensuring comprehensive optimization of the well placement scheme. Attached Figure Description

[0056] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0057] Figure 1 A flowchart illustrating a design method for a sustainable groundwater source well placement scheme provided in an embodiment of the present invention;

[0058] Figure 2 This is a schematic diagram of a design system for a sustainable groundwater source well placement scheme provided in an embodiment of the present invention. Detailed Implementation

[0059] The technical solution of the present invention will now be described with reference to the accompanying drawings.

[0060] In embodiments of the present invention, words such as "exemplarily," "for example," etc., are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" in the present invention should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word "exemplary" is intended to present the concept in a concrete manner. Furthermore, in embodiments of the present invention, the meaning expressed by "and / or" can be both, or either one.

[0061] In the embodiments of this invention, the terms "image" and "picture" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, they convey the same meaning. Similarly, the terms "of," "corresponding (relevant)," and "corresponding" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, they convey the same meaning.

[0062] In this embodiment of the invention, sometimes a subscript such as W1 may be written in a non-subscript form such as W1. When the difference is not emphasized, the meaning they express is the same.

[0063] To make the technical problems, technical solutions and advantages of the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0064] Reference manual attached Figure 1 The diagram illustrates a flowchart of a design method for a sustainable groundwater source well placement scheme provided by an embodiment of the present invention.

[0065] This invention provides a method for designing well placement schemes for sustainable groundwater source areas. This method can be implemented using equipment for designing well placement schemes for sustainable groundwater source areas, which can be a terminal or a server. The processing flow of this method may include the following steps:

[0066] S1: Obtain hydrogeological data of the water source area.

[0067] In one possible implementation, the hydrogeological data specifically includes:

[0068] Groundwater level, water level change, permeability coefficient, aquifer thickness, water storage coefficient, groundwater flow direction, groundwater flow velocity, groundwater flow pattern, total extraction volume, aquifer type, water quality index, groundwater recharge rate, and groundwater inflow.

[0069] Groundwater flow patterns include laminar flow and turbulent flow.

[0070] Aquifer types include karst aquifers, fissure aquifers, and gravel layers.

[0071] Optionally, basic information on groundwater and regional hydrogeological characteristics can be obtained by consulting and utilizing these public reports and databases. Alternatively, hydrogeological data can be obtained through field surveys (such as drilling and sampling) and laboratory analyses (such as permeability tests).

[0072] In this embodiment of the invention, specific data listed in the hydrogeological data of the water source area are obtained, including groundwater level, water level changes, permeability coefficient, aquifer thickness, and groundwater flow direction, providing very comprehensive information about the water source area. This data will help to conduct more scientific and accurate well placement planning and management of the water source area.

[0073] S2: Based on hydrogeological data, the water source area is divided into multiple sub-regions, and the comprehensive water quality index of each sub-region is calculated.

[0074] The Comprehensive Water Quality Index (CWQI) is a quantitative indicator used to assess the water quality of a body. It combines the values ​​of multiple water quality parameters into a single value, facilitating water quality assessment and management.

[0075] In one possible implementation, S2 specifically includes:

[0076] S201: Determine the regional division criteria for sub-regions based on hydrogeological data.

[0077] In one possible implementation, the criteria for region delineation specifically include:

[0078] The water source area is divided into different sub-regions according to the direction and velocity of groundwater flow.

[0079] Alternatively, the water source area can be divided into different sub-regions according to the aquifer type and stratum thickness.

[0080] S202: Based on the regional division standards, the water source area is divided into multiple sub-regions.

[0081] In this embodiment of the invention, dividing the water source into multiple sub-regions allows for a more accurate assessment of the water quality in each region, avoiding the simplification of the entire water source's water quality to a single value and thus missing the details of spatial differences. Simultaneously, the division into sub-regions and water quality assessment ensures the rational utilization and sustainable management of water resources. Especially when the water source area is large, only through regional division and detailed analysis can over-exploitation or water quality deterioration in certain areas be effectively prevented.

[0082] S203: Collect water quality parameters for each sub-region, including dissolved oxygen, pH, turbidity, color, chloride, nitrate, total dissolved solids, and heavy metal concentration.

[0083] S204: Calculate the comprehensive water quality index for each sub-region based on various water quality parameters.

[0084] In one possible implementation, the comprehensive water quality index is calculated as follows:

[0085]

[0086] in, CWQI This represents the comprehensive water quality index. m This represents the total number of water quality parameters. C l Indicates the first l The measured concentrations of each water quality parameter R l Indicates the first l Standard limits for each water quality parameter α l Indicates the first l The weights of the impact of each water quality parameter on the health of the water body, where exp represents an exponential function. β This represents the weighting coefficients related to entropy. D entropy The entropy of water quality gamma This represents the correction factor for heavy metal substances, and max() represents the function to maximize the value. C toxic Indicates the concentration of heavy metal substances. R toxic Indicates the standard limits for heavy metal substances.

[0087] Optionally, entropy can be calculated as follows:

[0088]

[0089]

[0090] in, p l Indicates the first l The normalized weight of each water quality parameter.

[0091] Optionally, the weights of the impact of water quality parameters on water health, the entropy-related weighting coefficients, and the heavy metal correction factors are obtained through expert experience assessment.

[0092] It's important to note that entropy is an indicator used to measure the uncertainty or complexity of water quality. In the calculation of the comprehensive water quality index, entropy is introduced to reflect the complexity and diversity of water quality. When water quality is affected by multiple pollution sources, the complexity and uncertainty of water quality typically increase, and the entropy becomes higher.

[0093] It should be noted that heavy metals (such as lead, mercury, cadmium, arsenic, etc.) are far more harmful to the ecological environment and human health than general pollutants. When there is heavy metal pollution in water bodies and the levels exceed the standards, the penalty term in the formula will amplify the comprehensive water quality index value, highlighting the impact of heavy metals on water quality.

[0094] In this embodiment of the invention, by comprehensively considering different water quality parameters, the comprehensive water quality index can fully reflect the quality of the water body, avoiding the risk of neglecting other important factors if only focusing on a single water quality indicator. At the same time, the introduction of entropy increases the depth of water quality assessment, making the assessment results more scientific and accurate.

[0095] Furthermore, heavy metals in water (such as lead, mercury, and arsenic) pose a significant threat to human health and ecosystems. Therefore, when calculating the comprehensive water quality index, introducing a heavy metal correction factor can enhance the negative impact of toxic substances on the water quality index by correcting for the concentration of toxic substances, thus ensuring the accuracy of water quality assessment.

[0096] S3: Determine if each comprehensive water quality index is less than the preset water quality index. If so, designate the sub-region as the target well placement area. Otherwise, skip the sub-region.

[0097] Specifically, first, a preset water quality index standard needs to be defined. This standard is usually derived from water quality management regulations or source water protection requirements. The water quality of each sub-region is then compared to determine if it falls below the preset water quality index. Different actions are taken based on the comparison results. If the water quality of a sub-region is below the preset standard, that sub-region is marked as a target well placement area. Sub-regions whose water quality does not meet the standard are skipped, and well placement plans for these areas do not need to be considered.

[0098] Optionally, the target well placement area can be managed using spatial analysis tools (such as GIS) or a marking system. By recording information such as the location and area of ​​each sub-region, the well placement plan can be further optimized.

[0099] In this embodiment of the invention, by determining whether the comprehensive water quality index of a sub-region is lower than a preset standard, it is ensured that the selected well placement area meets the water quality requirements. This helps to avoid placing wells in areas with poor water quality, thereby reducing water pollution and ecological impact. At the same time, the selection of well placement areas is based on water quality assessment, avoiding excessive disturbance to the ecological environment and aquatic organisms caused by selecting areas with poor water quality.

[0100] S4: Based on hydrogeological data, analyze the characteristics of groundwater flow and geological conditions, and determine multiple high-quality well locations from the target well placement area.

[0101] Groundwater flow characteristics refer to the flow behavior and patterns of groundwater within aquifers, and are an important component of hydrogeology. These characteristics not only influence water resource development and utilization but are also crucial for water quality, the ecological environment, and the sustainable management of water sources. Understanding groundwater flow characteristics helps in the scientific planning and management of water resources, particularly in well placement design and the sustainable utilization of water resources.

[0102] In one possible implementation, S4 specifically includes:

[0103] S401: Obtain key data from hydrogeological data for analyzing groundwater flow characteristics and geological conditions. Key data include groundwater level, permeability coefficient, aquifer thickness, water flow direction, groundwater flow velocity, and recharge source.

[0104] S402: Based on the groundwater level, water flow direction, and groundwater flow velocity, the locations of wells with stable groundwater flow are preliminarily determined.

[0105] In this embodiment of the invention, by analyzing the groundwater level, water flow direction and velocity, areas with abundant and stable water sources can be selected, avoiding the extraction of areas with low water levels or slow flow velocities.

[0106] S403: Based on the permeability coefficient, aquifer thickness, and recharge source, select well locations with sufficient recharge capacity from the initially determined well locations as high-quality well locations.

[0107] Specifically, the process begins by collecting and organizing hydrogeological data, including key information such as groundwater level, permeability coefficient, aquifer thickness, water flow direction, groundwater velocity, and recharge sources, to analyze the groundwater flow characteristics and geological conditions of the water source area. Based on this data, the direction and velocity of groundwater flow are determined according to the groundwater level and permeability coefficient, and areas with stable flow and sufficient water supply are selected as target locations for well placement. Next, based on the aquifer type and thickness, combined with factors such as permeability coefficient, high-quality well placement locations with strong recharge capacity and sufficient water volume are further selected. Finally, through spatial analysis and data modeling, the well placement locations are optimized to ensure that the well placement area can provide a continuous and stable water source, while avoiding unsuitable areas, such as areas with low water levels or poor permeability, thus providing a scientific basis for subsequent well placement plans.

[0108] In this embodiment of the invention, the selection of well locations takes into account groundwater flow patterns and permeability coefficients, thus avoiding areas where water quality may be polluted or unstable. Especially in areas with abundant recharge sources, groundwater flow is relatively stable, maintaining long-term water quality stability. Simultaneously, by selecting areas with stable recharge sources and rapid water flow, long-term environmental damage can be reduced, particularly for water source areas with fragile ecosystems. Analysis of groundwater flow patterns can help avoid over-exploitation in well locations and prevent water pollution and the impact of water level decline on aquatic organisms.

[0109] S5: Based on hydrogeological data, the number of wells, well spacing, and single-well production volume at each high-quality well location are determined using analytical methods, and a preliminary well layout plan is generated.

[0110] In one possible implementation, S5 specifically includes:

[0111] S501: Calculate the single-well production volume based on hydrogeological data:

[0112]

[0113] in, Q This indicates the output per well. π Represents pi (π). S W This indicates that the depth of the pumping well has been reduced. H 0 Indicates the thickness of the unconfined aquifer. h W Indicates the water level in the pumping well. K Indicates the permeability coefficient. r W Indicates the radius of the pumping well. a This indicates the distance between the pumping well and the linear recharge boundary. ln Represents a logarithmic function.

[0114] S502: Calculate the number of wells based on hydrogeological data:

[0115]

[0116] in, n Indicates the number of wells. s This represents the total area of ​​the target well placement area. omega F represents the land utilization rate, and F represents the area controlled by a single well.

[0117] In this embodiment of the invention, the number of wells can be rationally planned by calculation based on hydrogeological data, which ensures that the water source can meet the actual water demand, while avoiding the situation of too many or too few wells.

[0118] S503: Calculate the well spacing based on hydrogeological data:

[0119]

[0120] in, d Indicates well spacing. Q i Indicates the first i The amount of water extracted from the well. b Indicates the thickness of the aquifer. S 0 represents the initial water level. S 1 indicates the water level after extraction.

[0121] In this embodiment of the invention, a reasonable well spacing design can effectively avoid mutual interference between wells. Insufficient well spacing may lead to competition for groundwater resources among well groups, thereby affecting water level and water quality. By calculating and optimizing the well spacing, water quality stability can be maintained.

[0122] S504: Based on the calculated single-well production volume, number of wells, and well spacing, a preliminary well layout plan is generated by randomly arranging wells at high-quality locations.

[0123] It should be noted that each prime well location is equivalent to a small area, and one or more wells can be designed in a prime well location.

[0124] In this embodiment of the invention, the analytical method is used in the design of well layout schemes for water sources to determine the extraction volume of a single well, the well spacing, and the number of wells based on information such as groundwater flow conditions, permeability, well location, and water level, thus helping to design a reasonable well cluster layout. Simultaneously, by rationally planning the well layout scheme, groundwater resources can be utilized efficiently and sustainably, ensuring a long-term stable water supply and water quality protection for the water source, while providing a scientific basis for water resource management and avoiding resource waste and environmental risks.

[0125] S6: With the goal of maximizing total production and minimizing interference between well groups, construct a well layout design model for water source areas, and determine the objective function and constraints of the well layout design model for water source areas.

[0126] In one possible implementation, the objective function is specifically:

[0127]

[0128] in, f Describe the objective function. w 1 represents the weight for maximizing the amount of material extracted. Q i Indicates the first i The amount of water extracted from the well. w 2 represents the weight for minimizing well group disturbance. dij Indicates the first i Koujing and the j The distance between wells.

[0129] It should be noted that, w 1. w 2 not only represents the weight of maximizing production and minimizing well group interference, but also serves to normalize the maximization of production and minimization of well group interference.

[0130] In this embodiment of the invention, efficient utilization of water resources and optimized layout of well groups are achieved by maximizing extraction volume and minimizing well group interference. This balance can avoid the problems caused by single-objective optimization. For example, simply maximizing extraction volume may lead to excessively dense well groups, which may reduce extraction efficiency. On the other hand, simply reducing well group interference may lead to too few wells, which may not meet water demand.

[0131] In one possible implementation, the constraints specifically include:

[0132] Ensure that the maximum production output of a single well does not exceed the maximum allowable production output of a single well:

[0133]

[0134] in, Q i Indicates the first i The amount of water extracted from the well. Q i,max Indicates the first i The maximum allowable extraction volume of a well. n This indicates the total number of wells.

[0135] Ensure that the total extraction volume does not exceed the maximum allowable extraction volume of the water source:

[0136]

[0137] in, Q total,max This indicates the maximum allowable extraction volume of water from a water source.

[0138] Ensure that the spacing between wells is greater than or equal to the minimum spacing:

[0139]

[0140] in, d ij Indicates the first i Koujing and the j The distance between wells d min This indicates the minimum spacing.

[0141] Ensure that the number of wells installed does not exceed the maximum number of wells limit:

[0142]

[0143] in, n max This indicates the maximum number of wells allowed.

[0144] Ensure that the well is located outside of non-sensitive areas:

[0145]

[0146] in, A i Indicates the first i The location area of ​​the well. A protected This indicates a non-sensitive area.

[0147] In this embodiment of the invention, the setting of constraints can effectively ensure the sustainability of water resources, reduce damage to the ecological environment, improve the extraction efficiency of water sources, and reduce the risk of water pollution.

[0148] S7: Under the constraints, the preliminary well placement scheme is used as the initial input to the well placement scheme design model of the water source area. With the objective function value as the minimum, the scheme is optimized by the improved whale optimization algorithm to output the optimal well placement scheme.

[0149] Optionally, the steps to improve the whale optimization algorithm specifically include:

[0150] S701: Use the objective function as the fitness function of the improved whale optimization algorithm.

[0151] S702: Based on each preliminary well placement plan, initialize the position of each individual whale to the parameters of the preliminary well placement plan.

[0152] In this embodiment of the invention, by initializing the position of each individual whale to the parameters of the initial well-laying scheme, the algorithm can start from a relatively reasonable solution, avoiding starting from a random solution and reducing the exploration time in the initial stage.

[0153] S703: Calculate the fitness value for each individual whale.

[0154] S704: Sort by fitness value from high to low, and select the whale individual with the highest fitness value as the search agent whale individual.

[0155] S705: The position of each individual search agent whale is updated by introducing a random step size search method.

[0156]

[0157]

[0158]

[0159] in, Indicates the first u Only one whale in the first v After the general stage P The next update location, w ( t ) indicates the first t The weighting coefficients in the next iteration x uv Indicates the first u Only one whale in the first v The position of the dimension r Indicates control factor. PZ u Indicates the first u Only one whale was the vanguard whale. I This represents the coefficient indicating the guiding direction. Indicates the first u Only one whale in the first v After the foraging stage P The new position after 1 x min Indicates the first v The lower bound of a dimensional variable. x max Indicates the first v Upper bound of a dimensional variable s Indicates the random step size. e Represents the natural constant. T Indicates the maximum number of iterations. c and d Both represent random variables that follow a normal distribution. lambda This represents the distribution index.

[0160] In this embodiment of the invention, by introducing a random step size, the algorithm can escape local optima and perform a broad global search. Simultaneously, when an individual whale is close to the optimal solution, its updated position is influenced by the local search strategy. By introducing a weighting factor to gradually reduce the search range, the algorithm can shift from a global search to a more refined local search, optimizing the accuracy of the solution.

[0161] Furthermore, by fine-tuning the upper and lower bounds in the position update formula, the search range of the solution can be further refined after the global search is completed, ensuring a more accurate solution and avoiding instability of results due to an overly broad search.

[0162] S706: Calculate the first target fitness value of each whale individual after updating its position. If the first target fitness value of each whale individual is greater than that of the search agent whale individual, update each whale individual after updating its position as the optimal solution.

[0163] S707: If the solution after updating the position does not meet the constraints, a repair operation is performed to fix it.

[0164]

[0165]

[0166] in, d ij Indicates the first i Koujing and the j The distance between wells, where max() represents the maximum value function. d min Indicates the minimum spacing. Q i Indicates the first i The amount of water extracted from the well. Q max This represents the maximum allowable mining volume, and min() represents the function to take the maximum value.

[0167] S708: Calculate the second target fitness value of each individual whale after repair, compare the second target fitness value with the current optimal solution, and update the optimal solution.

[0168] S709: Determine if the maximum number of iterations has been reached or if the fitness value is greater than a preset threshold. If yes, stop iterating and output the current optimal solution as the optimal well placement scheme. Otherwise, return to S705.

[0169] In this embodiment of the invention, by acquiring detailed hydrogeological data, calculating the comprehensive water quality index, and analyzing groundwater flow characteristics and geological conditions, the distribution and flow patterns of groundwater resources can be accurately grasped, providing a scientific basis for optimizing well placement schemes. Simultaneously, by determining the number of wells, well spacing, and extraction volume through analytical methods, and combining this with an optimization model for well placement scheme design, a reasonable well placement scheme can be accurately calculated. Further application of optimization algorithms ensures that the well placement scheme maximizes extraction volume and minimizes well group interference while meeting constraints, thereby ensuring a scientifically sound well layout, avoiding resource waste and over-extraction, and ensuring comprehensive optimization of the well placement scheme.

[0170] Reference manual attached Figure 2 The diagram shows a structural schematic of a sustainable groundwater source well placement scheme design system provided by the present invention.

[0171] This invention also provides a sustainable groundwater source well layout design system 20, applied to the aforementioned sustainable groundwater source well layout design method, comprising:

[0172] Processor 201.

[0173] The memory 202 stores computer-readable instructions. When the computer-readable instructions are executed by the processor 201, they implement the method for designing a well layout scheme for sustainable use of groundwater sources, as described in the method embodiment.

[0174] The sustainable groundwater source well layout scheme design system 20 provided by the present invention can execute the above-mentioned sustainable groundwater source well layout scheme design method and achieve the same or similar technical effects. To avoid repetition, the present invention will not elaborate further.

[0175] The present invention also provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method for designing a sustainable groundwater source well layout scheme as described in the method embodiments.

[0176] The present invention provides a computer-readable storage medium that can realize the steps and effects of the design method for a sustainable groundwater source well layout scheme in the above-described method embodiments. To avoid repetition, the present invention will not repeat the details.

[0177] It should be understood that the processor in the embodiments of the present invention can be a central processing unit (CPU), or it can be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor.

[0178] It should also be understood that the memory in the embodiments of the present invention can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of random access memory (RAM) are available, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate synchronous DRAM (DDR SDRAM), enhanced synchronous DRAM (ESDRAM), synchronous linked DRAM (SLDRAM), and direct rambus RAM (DR RAM).

[0179] The above embodiments can be implemented, in whole or in part, by software, hardware (such as circuits), firmware, or any other combination thereof. When implemented using software, the above embodiments can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, all or part of the processes or functions described in the embodiments of the present invention are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more sets of available media. The available medium can be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. A semiconductor medium can be a solid-state drive.

[0180] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. A and B can be singular or plural. Additionally, the character " / " in this article generally indicates an "or" relationship between the preceding and following related objects, but it can also represent an "and / or" relationship. Please refer to the context for a more accurate understanding.

[0181] In this invention, "at least one" means one or more, and "more than one" means two or more. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of a single item or a plurality of items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be a single item or multiple items.

[0182] It should be understood that, in various embodiments of the present invention, the order of the above-mentioned process numbers does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0183] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0184] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the devices, apparatuses, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0185] In the several embodiments provided by this invention, it should be understood that the disclosed devices, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another device, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0186] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0187] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0188] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0189] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

[0190] The following points need to be explained:

[0191] (1) The accompanying drawings of the embodiments of the present invention only involve the structures involved in the embodiments of the present invention. Other structures can refer to the general design.

[0192] (2) For clarity, the thickness of layers or regions is enlarged or reduced in the drawings used to describe embodiments of the invention, i.e., these drawings are not drawn to scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being “above” or “below” another element, the element may be “directly” located “above” or “below” the other element or there may be intermediate elements.

[0193] (3) Where there is no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other to obtain new embodiments.

[0194] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. The scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A method for designing a sustainable groundwater water source well arrangement, characterized in that, The method comprises the following steps: S1: obtaining hydrogeological data of the water source area; S2: dividing the water source area into multiple sub-regions according to the hydrogeological data, and calculating a comprehensive water quality index of each sub-region; S3: determining whether each comprehensive water quality index is less than a preset water quality index; if yes, the sub-region is taken as a target well distribution region; otherwise, the sub-region is skipped; S4: analyzing the underground water flow characteristics and geological conditions according to the hydrogeological data, and determining multiple high-quality well distribution positions from the target well distribution region; S5: determining the number of wells, well spacing and single-well production capacity at each high-quality well distribution position according to the hydrogeological data by an analytical method, and generating a preliminary well distribution scheme; S6: constructing a water source area well distribution scheme design model with the objective of maximizing the total production capacity and minimizing the interference between well groups, and determining the objective function and constraint conditions of the water source area well distribution scheme design model; S7: taking the preliminary well distribution scheme as the initial input of the water source area well distribution scheme design model under the constraint of the constraint conditions, and optimizing the initial input by an improved whale optimization algorithm with the objective of minimizing the function value of the objective function, and outputting an optimal well distribution scheme; The calculation method of the comprehensive water quality index is specifically as follows: wherein CWQI represents a comprehensive water quality index, m represents a total number of water quality parameters, C l represents a measured concentration of the lth water quality parameter, R l represents a standard limit value of the lth water quality parameter, a l represents a weight of the lth water quality parameter with respect to an influence degree on water body health, exp represents an exponential function, β represents a weight coefficient related to entropy, D entropy represents an entropy of water quality, γ represents a correction factor of heavy metal substance, max() represents a maximum value function, C toxic represents a concentration of heavy metal substance, R toxic represents a standard limit value of heavy metal substance; The S4 specifically comprises the following steps: S401: obtaining key data for analyzing the underground water flow characteristics and the geological conditions from the hydrogeological data, wherein the key data comprises underground water level, permeability coefficient, aquifer thickness, water flow direction, underground water flow rate and recharge source; S402: preliminarily determining well distribution positions with stable underground water flow according to the underground water level, water flow direction and underground water flow rate; S403: selecting well distribution positions with sufficient recharge water source capacity from the preliminarily determined well distribution positions as the high-quality well distribution positions according to the permeability coefficient, the aquifer thickness and the recharge source; The objective function is specifically as follows: where f denotes an objective function, w1 denotes a weight for maximizing the production, Q i denotes the production of the i-th well, w2 denotes a weight for minimizing the interference of the well group, d ij denotes the distance between the i-th well and the j-th well.

2. The method of sustainable design of groundwater well placement according to claim 1, wherein, The hydrogeological data specifically comprises: underground water level, water level change, permeability coefficient, aquifer thickness, water storage coefficient, underground water flow direction, underground water flow rate, underground water flow mode, total production capacity, aquifer type, water quality index, underground water recharge rate and underground water inflow; The underground water flow mode comprises laminar flow and turbulent flow; The aquifer type comprises karst aquifer, fissure aquifer and sand and gravel layer.

3. The method of sustainable design of groundwater well placement of claim 1, wherein, The S2 specifically comprises the following steps: S201: determining a regional division standard for dividing sub-regions according to the hydrogeological data; S202: dividing the water source area into multiple sub-regions according to the regional division standard; S203: collecting water quality parameters of each sub-region, wherein the water quality parameters comprise dissolved oxygen, pH value, turbidity, color, chloride, nitrate, total dissolved solids and heavy metal concentration; S204: calculating a comprehensive water quality index of each sub-region according to each water quality parameter.

4. The method of sustainable design of groundwater well placement according to claim 3, wherein, The regional division standard specifically comprises: dividing the water source area into different sub-regions according to the underground water flow direction and flow rate; or according to the aquifer type and the stratum thickness of the water source, the water source is divided into different sub-regions.

5. The method of sustainable design of groundwater well placement of claim 1, wherein, The S5 specifically includes: S501: according to the hydrogeological data, the single-well production capacity is calculated; S502: according to the hydrogeological data, the well number is calculated; S503: according to the hydrogeological data, the well spacing is calculated; S504: according to the single-well production capacity, the well number and the well spacing determined by calculation, the preliminary well arrangement scheme is generated by randomly arranging at the high-quality well arrangement position.

6. The method of sustainable design of groundwater well placement of claim 1, wherein, The constraint conditions specifically include: Ensure that the maximum production capacity of a single well cannot exceed the maximum allowable production capacity of a single well; Ensure that the total production capacity cannot exceed the maximum allowable production capacity of the water source; Ensure that the spacing between wells is greater than or equal to the minimum spacing; Ensure that the number of wells does not exceed the maximum well number limit; Ensure that the arrangement position of the well is outside the sensitive area.

7. A sustainable groundwater water source field well placement design system, characterized in that, It includes: A processor; A memory, the memory has computer readable instructions stored thereon, when the computer readable instructions are executed by the processor, the sustainable utilization of the groundwater water source well arrangement scheme design method according to any one of claims 1 to 6 is realized.

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