Simulation method for groundwater regime of karst big spring
A simulation method and groundwater technology, applied in teaching models, educational tools, instruments, etc., can solve problems such as karst water level deviation, achieve the effects of protecting life and property safety, rationalizing groundwater resources, developing, utilizing and protecting groundwater resources
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[0102] As a specific implementation, in this embodiment, according to the water level monitoring data from January 1, 2018 to January 1, 2019, the correlation analysis and calculation of the spring water level and the water level of the observation hole within the scope of the tracer test shows that S1 The correlation between the groundwater level of the well and the water level of the spring is the best, and the correlation coefficient R 2 is 0.7016.
[0103] 5.4 According to the water level observation data of the observation holes falling within the scope of the tracer test, the contour map is drawn, such as image 3 to determine the direction of groundwater flow.
[0104] 5.5 Observation hole S determined in step 5.3 max is the tracer delivery point, with the delivery point as the center, according to the groundwater flow direction determined in step 5.4, arrange the groundwater level and water sample monitoring network downstream of the delivery point, and detect the tr...
specific Embodiment approach
[0131] As a specific implementation, in this embodiment, monitoring point S1 has an inflection point in water temperature and conductivity at a buried depth of 34m; monitoring point S4 has an inflection point in water temperature and electrical conductivity at a buried depth of 62.5-63.5m; There is an inflection point in water temperature and conductivity at 68.2-83m. According to the principle of bedding development, the karst pipelines determined by the inflection points connecting S1, S4 and S10 in sequence are as follows: Figure 8 shown.
[0132] The seventh step is to simulate the dominant flow of the final karst pipeline obtained in the sixth step
[0133] The dominant flow simulation solution is to set pipeline nodes on the cells of the porous media seepage model established in the fourth step. A cell has at most one node, and the nodes are connected to form a pipeline network. Therefore, the spring water level can be calculated by karst pipeline dominant flow simulat...
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