A method and system for determining ecological water replenishment routes for lakes

Abstract

This invention discloses a method and system for determining ecological water replenishment routes for lakes, relating to the field of lake management technology. The method includes: statistically analyzing the monitoring impact values ​​of each ecological water replenishment route on each water quality monitoring point; calculating the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point; determining the weight value of each water quality monitoring point; obtaining the comprehensive impact value of each ecological water replenishment route on the lake's hydrodynamics and water quality based on the monitoring impact values, correlation coefficients, and weight values; and formulating the optimal ecological water replenishment route. This invention can scientifically determine reasonable ecological water replenishment routes under limited water resources conditions, maximizing the ecological benefits of ecological water replenishment.

Description

Technical Field

[0001] This invention relates to the field of lake management technology, and more specifically to a method and system for determining lake ecological water replenishment routes. Background Technology

[0002] The sustained and rapid economic development has led to a continuous increase in people's demand for lake water resources. In addition, the mismatch between lake water resources and water supply demand in time and space has made water shortage a common problem for lakes in many countries and regions. One of the main solutions is to replenish water for lakes in need through ecological means. However, ecological water replenishment is often limited by the lack of sufficient water sources and the need for substantial costs. Furthermore, a lake usually has multiple inflow routes or channels, and the water replenishment effect varies depending on the route or channel. Therefore, under the condition of limited water resources, it has become an important issue to rationally determine the ecological water replenishment routes or channels.

[0003] Therefore, determining the optimal ecological water replenishment route for a lake, restoring its hydrodynamics, improving its water quality, and maximizing its ecological benefits are problems that urgently need to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the present invention provides a method and system for determining the ecological water replenishment route of a lake, which can determine the optimal ecological water replenishment route under limited water replenishment conditions, maximize the utilization of water resources, and give full play to the maximum ecological benefits of ecological water replenishment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a method for determining a lake ecological water replenishment route, comprising:

[0006] The impact of each ecological water replenishment route on the monitoring values ​​of each water quality monitoring point was statistically analyzed.

[0007] Calculate the correlation coefficients between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point;

[0008] Determine the weight value of each water quality monitoring point;

[0009] Based on the monitored impact value, the correlation coefficient, and the weight value, the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality is obtained;

[0010] Develop the optimal ecological water replenishment route.

[0011] Preferably, the method further includes: constructing a hydrodynamic model of the lake, performing hydrodynamic simulation based on the hydrodynamic model, and extracting the streamline distribution map of each ecological water replenishment route in the lake using the simulation results.

[0012] Preferably, the streamline distribution map of each ecological water replenishment route in the lake is extracted using the simulation results, including:

[0013] The flow rate of each ecological water replenishment line is referenced to the current water replenishment flow rate. The monthly average flow rate of different ecological water replenishment lines is used as the input of the hydrodynamic model and simulation is performed separately.

[0014] Based on the simulation results of the hydrodynamic model, the streamline distribution map of each ecological water replenishment route in the lake was extracted using Tecplot software.

[0015] Preferably, if the water quality monitoring point is located within the streamline of the ecological water replenishment route, then the monitoring impact value S ij =1; If the water quality monitoring point is not within the streamline of the ecological water replenishment route, then the monitoring impact value S ij =0.

[0016] Preferably, the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point is calculated, including:

[0017] Calculate the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0018] The correlation coefficient is obtained based on the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0019] The formula for calculating the comprehensive water pollution index is as follows:

[0020]

[0021] In the formula, C i C represents the monitored value of water quality indicator i; si denoted as the standard value of water quality indicator i; K is the comprehensive water pollution index; and m is the number of pollutants.

[0022] The preferred formula for calculating the comprehensive impact of each ecological water replenishment route on lake hydrodynamics and water quality is as follows:

[0023]

[0024] In the formula, CI i The comprehensive impact of the ecological water replenishment route on the lake's hydrodynamics and water quality; R ij The correlation coefficient between the comprehensive pollution index of the water supply line i and the comprehensive pollution index of the water at the j-th water quality monitoring point; S ij The impact of the streamline range of water replenishment for ecological water replenishment route i on the monitoring value of the j-th water quality monitoring point; W j Let be the weight value of the j-th water quality monitoring point, and n be the number of water quality monitoring points.

[0025] A system for determining lake ecological water replenishment routes includes:

[0026] The monitoring impact value determination module is used to calculate the monitoring impact value of each ecological water replenishment line on each water quality monitoring point;

[0027] The correlation coefficient calculation module is used to calculate the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0028] The weight value determination module is used to determine the weight value of each water quality monitoring point;

[0029] The comprehensive impact value calculation module obtains the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality based on the monitored impact value, the correlation coefficient, and the weight value.

[0030] The ecological water replenishment route planning module is used to plan the optimal ecological water replenishment route.

[0031] Preferably, it also includes: a model building module for building a hydrodynamic model of the lake;

[0032] The streamline distribution map extraction module is used to perform hydrodynamic simulation based on the hydrodynamic model and extract the streamline distribution map of each ecological water replenishment line in the lake using the simulation results.

[0033] As can be seen from the above technical solution, compared with the prior art, this invention discloses a method and system for determining lake ecological water replenishment routes, including: statistically analyzing the monitoring impact values ​​of each ecological water replenishment route on each water quality monitoring point; calculating the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point; determining the weight value of each water quality monitoring point; obtaining the comprehensive impact value of each ecological water replenishment route on lake hydrodynamics and water quality based on the monitoring impact value, correlation coefficient, and weight value; and formulating the optimal ecological water replenishment route. This invention can scientifically determine reasonable ecological water replenishment routes under limited water resources conditions, maximizing the ecological benefits of ecological water replenishment. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0035] Figure 1 A schematic diagram of a method for determining ecological water replenishment routes for lakes provided by the present invention.

[0036] Figure 2(a) is a flow line distribution map of the Fuhe River in the lake area provided by an embodiment of the present invention.

[0037] Figure 2(b) is a flow line distribution map of Xiaoyi River in the Baiyangdian area provided by an embodiment of the present invention.

[0038] Figure 2(c) is a flow line distribution diagram of the Puhe River in the lake area provided by the embodiment of the present invention.

[0039] Figure 2(d) is a flow line distribution map of the Baigou Diversion Canal in the Baiyangdian area provided by the embodiment of the present invention.

[0040] Figure 2(e) is a flow line distribution diagram of the Pinghe River in the Baiyangdian area provided by an embodiment of the present invention.

[0041] Figure 2(f) is a flow line distribution map of the Tanghe River in the lake area provided by an embodiment of the present invention.

[0042] Figure 2(g) is a flow line distribution map of the Zhulong River in the lake area provided by the embodiment of the present invention.

[0043] Figure 3 This is a schematic diagram showing the location distribution of various water quality monitoring points provided in an embodiment of the present invention. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] This invention discloses a method and system for determining ecological water replenishment routes for lakes, comprising: statistically analyzing the monitoring impact values ​​of each ecological water replenishment route on each water quality monitoring point; calculating the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point; determining the weight value of each water quality monitoring point; obtaining the comprehensive impact value of each ecological water replenishment route on the lake's hydrodynamics and water quality based on the monitoring impact values, correlation coefficients, and weight values; and formulating the optimal ecological water replenishment route. This invention enables the scientific determination of reasonable ecological water replenishment routes or channels under limited water resources conditions, maximizing the ecological benefits of ecological water replenishment.

[0046] Example 1

[0047] This embodiment discloses a method for determining the ecological water replenishment route for lakes, such as... Figure 1 As shown, it includes:

[0048] The impact of each ecological water replenishment route on the monitoring values ​​of each water quality monitoring point was statistically analyzed.

[0049] Calculate the correlation coefficients between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point;

[0050] Determine the weight value of each water quality monitoring point;

[0051] Based on the monitored impact value, the correlation coefficient, and the weight value, the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality is obtained;

[0052] Develop the optimal ecological water replenishment route.

[0053] Specifically, it also includes: constructing a hydrodynamic model of the lake, conducting hydrodynamic simulations based on the hydrodynamic model, and using the simulation results to extract the streamline distribution map of each ecological water replenishment route in the lake.

[0054] Specifically, the simulation results are used to extract the streamline distribution maps of each ecological water replenishment route within the lake, including:

[0055] The flow rate of each ecological water replenishment line is referenced to the current water replenishment flow rate. The monthly average flow rate of different ecological water replenishment lines is used as the input of the hydrodynamic model and simulation is performed separately.

[0056] Based on the simulation results of the hydrodynamic model, the streamline distribution map of each ecological water replenishment route in the lake was extracted using Tecplot software.

[0057] Specifically, if the water quality monitoring point is located within the streamline of the ecological water replenishment route, then the monitoring impact value S ij =1; If the water quality monitoring point is not within the streamline of the ecological water replenishment route, then the monitoring impact value S ij =0.

[0058] Specifically, the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point is calculated, including:

[0059] Calculate the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0060] The correlation coefficient is obtained based on the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0061] The formula for calculating the comprehensive water pollution index is as follows:

[0062]

[0063] In the formula, C i C represents the monitored value of water quality indicator i; si denoted as the standard value of water quality indicator i; K is the comprehensive water pollution index; and m is the number of pollutants.

[0064] Specifically, the calculation formulas for the comprehensive impact of each ecological water replenishment route on lake hydrodynamics and water quality are as follows:

[0065]

[0066] In the formula, CI i The comprehensive impact of the ecological water replenishment route on the lake's hydrodynamics and water quality; R ij The correlation coefficient between the comprehensive pollution index of the water supply line i and the comprehensive pollution index of the water at the j-th water quality monitoring point; S ij The impact of the streamline range of water replenishment for ecological water replenishment route i on the monitoring value of the j-th water quality monitoring point; W j Let be the weight value of the j-th water quality monitoring point, and n be the number of water quality monitoring points.

[0067] Example 2

[0068] This embodiment discloses a system for determining the ecological water replenishment route of a lake, including:

[0069] The monitoring impact value determination module is used to calculate the monitoring impact value of each ecological water replenishment line on each water quality monitoring point;

[0070] The correlation coefficient calculation module is used to calculate the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point.

[0071] The weight value determination module is used to determine the weight value of each water quality monitoring point;

[0072] The comprehensive impact value calculation module obtains the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality based on the monitored impact value, the correlation coefficient, and the weight value.

[0073] The ecological water replenishment route planning module is used to plan the optimal ecological water replenishment route.

[0074] Specifically, it also includes: a model building module, used to build hydrodynamic models of lakes;

[0075] The streamline distribution map extraction module is used to perform hydrodynamic simulation based on the hydrodynamic model and extract the streamline distribution map of each ecological water replenishment line in the lake using the simulation results.

[0076] Example 3

[0077] This embodiment discloses a method for determining the ecological water replenishment route for a lake, the specific steps of which are as follows:

[0078] First, a lake hydrodynamic model was constructed and calibrated and validated. During model calibration, the hydrodynamic model parameters were continuously adjusted based on existing measured data, using Nash coefficients (NSE), standard deviations (PBIAS), and R². 2 The coefficients are used as criteria to evaluate the error between the model's simulated values ​​and the measured values. When the following conditions are simultaneously met: 0.7 ≤ NSE < 1, -25% ≤ PBIAS ≤ 25%, and 0.7 ≤ R... 2 A value less than 1 indicates that the model error is within an acceptable range, and model calibration is complete. Further model validation is performed, with the same criteria as above. If the model meets the above criteria, validation is successful. Completion of calibration and validation signifies the model construction is complete. Next, based on the constructed hydrodynamic model, the lake's water flow is simulated. The flow rates of each ecological water replenishment route are referenced to the current replenishment flow rate. The monthly average flow rates of different ecological water replenishment routes are set as input conditions for the hydrodynamic model, and simulations are performed separately. Finally, based on the simulation results of the hydrodynamic model, the lake streamline distribution map under each ecological water replenishment route is extracted using Tecplot software. The ecological water replenishment routes include the main rivers flowing into the lake and waterless channels.

[0079] In this embodiment, a two-dimensional hydrodynamic model of Baiyangdian was constructed using existing data from Baiyangdian, with the Nash coefficient (NSE), standard deviation (PBIAS), and R0 as the parameters. 2 Coefficients and other similar indicators are used as criteria for judgment, such as Figure 3 As shown, water level monitoring stations at Wangjiazai, Duancun, and Shifangyuan were selected for model calibration and verification. Furthermore, using the existing two-dimensional hydrodynamic model of Baiyangdian Lake, hydrodynamic simulations were conducted on the inflow scenarios of the main rivers flowing into the lake: Baigou Diversion River, Fuhe River, Puhe River, Xiaoyi River, and the currently non-accessible Pinghe River, Tanghe River, and Zhulonghe River. Using the simulation results, streamline distribution maps of each river flowing into the lake area were extracted using Tecplot software, as shown below. Figures 2(a)-2(g) The image shows the distribution map of the flow lines in the Baiyangdian lake area for each ecological water replenishment route.

[0080] Based on the distribution map of the lake flow lines replenished by each ecological water replenishment route, and combined with the location distribution of each water quality monitoring point within the lake (see details...), Figure 3 The impact value S of each ecological water replenishment route on each water quality monitoring point was calculated. ij If the water quality monitoring point is located within the main flow line of a certain ecological water replenishment route, then S ij =1, otherwise S ij =0.

[0081] In this embodiment, Table 1 shows the statistical impact of the rivers flowing into Baiyangdian Lake on the water quality at various water quality monitoring points in the lake area.

[0082] Table 1

[0083] Baigou Diversion River Shaochedian Waterfall River Nanliuzhuang, Guangdian Zhangzhuang, Quantou Fuhe River Nanliuzhuang, Guangdianzhangzhuang, Quantou, Caiputai, Shaochedian Xiaoyi River Picking cattail platform, circle head Pinghe Nanliuzhuang and Guangdian Zhangzhuang Tanghe Picking cattail platform, circle head Zhulong River Caiputai

[0084] Then, calculate the comprehensive pollution index (K) of the water quality for the ecological water replenishment line i and the comprehensive pollution index (K) of the water quality at the jth water quality monitoring point. The calculation formula is as follows:

[0085]

[0086] In the formula, C i is the measured value (mg / L) of the water quality index i; C si is the standard value (mg / L) of the water quality index i, taking the Class III standard of the "Surface Water Environmental Quality Standards (GB3838 - 2002)"; K is the comprehensive pollution index; m is the number of pollutants.

[0087] Next, use the SPSS statistical software to calculate the Pearson correlation coefficient between the comprehensive pollution index (K) of the water quality for the ecological water replenishment line i and the comprehensive pollution index (K) of the water quality at the jth water quality monitoring point, denoted as R ij , and determine the magnitude of their correlation.

[0088] Specifically, the calculation formula for the correlation coefficient is as follows:

[0089]

[0090] In the formula, n is the number of water quality monitoring points, x i and y j are respectively the comprehensive pollution index of the water quality for the ecological water replenishment line i and the comprehensive pollution index of the water quality at the jth water quality monitoring point, is the average value of the comprehensive pollution index of the water quality for the ecological water replenishment line, is the average value of the comprehensive pollution index of the water quality at the water quality monitoring point.

[0091] Conduct a hypothesis test on the correlation coefficient. The test statistic t follows a t - distribution with degrees of freedom (n - 2). The calculation formula is as follows:

[0092]

[0093] Consult the distribution table of the P - value of the t - test (the probability P - value of the statistic, used for comparison with the significance level). According to the selected test level (0.01 < P ≤ 0.1 indicates correlation; P ≤ 0.01 indicates significant correlation; P > 0.1 indicates no correlation), determine the magnitude of the correlation between the two variables.

[0094] In this embodiment, the correlation coefficients between the comprehensive pollution indices of the water quality of the rivers flowing into Baiyangdian, namely the Fuhe River, Xiaoyi River, Puhe River, and Baigouyin River, and the comprehensive pollution indices of the water quality at different water quality monitoring points in the lake area (Nanliuzhuang, Caiputai, Guangdianzhangzhuang, Quantou, Shaochedian) were mainly calculated, and the magnitude of the correlation was determined. The results are shown in Table 2.

[0095] Table 2

[0096]

[0097] Note: * indicates correlation (0.01 < P ≤ 0.1), ** indicates significant correlation (P ≤ 0.01); - indicates no correlation.

[0098] Taking into account the distribution of each water quality monitoring point in the lake and the streamline distribution of the lake under each ecological water replenishment line, the weight value W of each water quality monitoring point is determined. j .

[0099] In this embodiment, since there are 5 water quality monitoring points including Nanliuzhuang, Caiputai, Guangdianzhangzhuang, Quantou, and Shaochedian, considering the distribution of each water quality monitoring point and the streamline distribution, the weight of each water quality monitoring point is set to 0.2.

[0100] Then, based on the previously obtained impact value S ij and the correlation coefficient R ij , the comprehensive impact value CI of each ecological water replenishment line on the hydrodynamic and water quality of the lake is calculated using the comprehensive impact value calculation formula. i Finally, the optimal ecological water replenishment line is determined according to the magnitude of the comprehensive impact value. The calculation formula of the comprehensive impact value is as follows:

[0101]

[0102] The calculation results of the comprehensive impact value of the rivers flowing into the lake area are shown in Table 2.

[0103] From the calculation results, it can be seen that the comprehensive impact values of the ecological water replenishment of the Fuhe River, the Puhe River, the Tanghe River, the Xiaoyi River, and the Pinghe River on the lake area are significantly higher than those of the Zhulong River and the Baigou Diversion River, and they are relatively optimal water replenishment lines. However, the comprehensive impact values of the Tanghe River, the Xiaoyi River, and the Pinghe River are relatively close, and as shown in Figures 2(a)-2(g) , the Pinghe River and the Puhe River are close in geographical location, and the comprehensive impact value of replenishing water through the Pinghe River is weaker than that of the Puhe River, so water diversion to the Pinghe River can be not considered. The Tanghe River and the Xiaoyi River are close in distance, and the streamline distribution range of ecological water replenishment through the Tanghe River channel is larger, and the impact is significantly greater than that of the Xiaoyi River, so water diversion to the Xiaoyi River can be not considered. In summary, to better improve the hydrodynamic and water quality conditions of the lake area, the Fuhe River, the Puhe River, and the Tanghe River are determined as the best ecological water replenishment lines for Baiyangdian.

[0104] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts between each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0105] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for determining ecological water replenishment routes for lakes, characterized in that, include: The impact of each ecological water replenishment route on the monitoring values ​​of each water quality monitoring point was statistically analyzed. Calculate the correlation coefficients between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point; Determine the weight value of each water quality monitoring point; Based on the monitored impact value, the correlation coefficient, and the weight value, the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality is obtained; If the water quality monitoring point is located within the streamline of the ecological water replenishment route, then the monitoring impact value... =1; If the water quality monitoring point is not within the flow line range of the ecological water replenishment route, then the monitoring impact value is... =0; The formulas for calculating the comprehensive impact of each ecological water replenishment route on the lake's hydrodynamics and water quality are as follows: ； In the formula, The comprehensive impact of ecological water replenishment routes on lake hydrodynamics and water quality; Ecological water replenishment route The comprehensive pollution index of the water replenishment and the first Correlation coefficients of the comprehensive water pollution index at each water quality monitoring point; Ecological water replenishment route The streamline range of water replenishment for the first The monitoring impact values ​​of each water quality monitoring point; For the first The weight value of each water quality monitoring point The number of water quality monitoring points; The optimal ecological water replenishment route is determined based on the magnitude of the overall impact.

2. The method for determining a lake ecological water replenishment route according to claim 1, characterized in that, Also includes: A hydrodynamic model of the lake is constructed, and hydrodynamic simulation is performed based on the model. The simulation results are used to extract the streamline distribution map of each ecological water replenishment route in the lake.

3. The method for determining the ecological water replenishment route of a lake according to claim 2, characterized in that, The streamline distribution maps of each ecological water replenishment route within the lake were extracted using simulation results, including: The flow rate of each ecological water replenishment line is referenced to the current water replenishment flow rate. The monthly average flow rate of different ecological water replenishment lines is used as the input of the hydrodynamic model and simulation is performed separately. Based on the simulation results of the hydrodynamic model, the streamline distribution map of each ecological water replenishment route in the lake was extracted using Tecplot software.

4. The method for determining the ecological water replenishment route of a lake according to claim 1, characterized in that, Calculate the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point, including: Calculate the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point. The correlation coefficient is obtained based on the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point. The formula for calculating the comprehensive water pollution index is as follows: ； In the formula, Water quality indicators The monitored values; Water quality indicators Standard value; The comprehensive water pollution index; This represents the number of pollutants.

5. A system for determining lake ecological water replenishment routes, using the lake ecological water replenishment route determination method according to any one of claims 1-4, characterized in that, include: The monitoring impact value determination module is used to calculate the monitoring impact value of each ecological water replenishment line on each water quality monitoring point; The correlation coefficient calculation module is used to calculate the correlation coefficient between the comprehensive water pollution index of each ecological water replenishment route and the comprehensive water pollution index of each water quality monitoring point. The weight value determination module is used to determine the weight value of each water quality monitoring point; The comprehensive impact value calculation module obtains the comprehensive impact value of each ecological water replenishment line on the lake's hydrodynamics and water quality based on the monitored impact value, the correlation coefficient, and the weight value. The ecological water replenishment route planning module is used to plan the optimal ecological water replenishment route.

6. The lake ecological water replenishment route determination system according to claim 5, characterized in that, It also includes: a model building module for building hydrodynamic models of lakes; The streamline distribution map extraction module is used to perform hydrodynamic simulation based on the hydrodynamic model and extract the streamline distribution map of each ecological water replenishment line in the lake using the simulation results.

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