Dynamic simulation method for recharging underground water by surface water

A dynamic simulation, surface water technology, applied in the field of experimental simulation, can solve problems such as lack, and achieve the effect of improving accuracy

Active Publication Date: 2020-11-27
INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is that due to the lack of corresponding surface water recharge groundwater simulation metho...

Method used

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  • Dynamic simulation method for recharging underground water by surface water
  • Dynamic simulation method for recharging underground water by surface water
  • Dynamic simulation method for recharging underground water by surface water

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Embodiment 1

[0061] This embodiment provides a dynamic simulation device for surface water to recharge groundwater, such as Figure 1 to Figure 3 As shown, it includes: surface water input unit, groundwater input unit, discharge unit, river simulation unit, vadose zone simulation unit, aquifer simulation unit and flow monitoring unit. Among them, the river simulation unit is connected to the surface water input unit and the discharge unit respectively; the aquifer simulation unit is connected to the groundwater input unit; the river simulation unit, the vadose zone simulation unit, and the aquifer simulation unit are arranged vertically downward. . The circulation monitoring unit includes several water level monitoring pieces 71. In this embodiment, the water level monitoring piece is installed in the vadose zone simulation unit and the aquifer simulation unit at one end, and the other end extends out of the vadose zone simulation unit and the aquifer simulation unit for pressure measureme...

Embodiment 2

[0095] This embodiment provides a dynamic simulation method for groundwater replenishment by surface water, using the dynamic simulation device for groundwater replenishment by surface water in Embodiment 1, which includes the following steps:

[0096] S1: Equipment assembly: connect surface water input unit, groundwater input unit, discharge unit, circulation monitoring unit, river simulation unit, vadose zone simulation unit, aquifer simulation unit and water quality monitoring unit;

[0097] S111: Installation of the water level monitoring part 71: install the water level monitoring part 71, that is, the piezometric tube in the second vadose zone simulation box 52 of the vadose zone simulation unit and the aquifer simulation box 61 of the aquifer simulation unit , specifically, in the second vadose zone simulation box 52 and the aquifer simulation box 61, each box is provided with two layers of piezometric tubes along the vertical direction, and each layer is distributed in ...

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Abstract

The invention discloses a dynamic simulation method for recharging underground water by surface water. The method comprises the following steps: equipment assembly: connecting a surface water input unit, an underground water input unit, a discharge unit, a circulation monitoring unit, a river simulation unit, an aeration zone simulation unit and an aquifer simulation unit; underground water flow field simulation: controlling communication between the underground water input unit and the aquifer simulation unit and communication between the discharge unit and the aquifer simulation unit to obtain a stable underground flow field; infiltration simulation: controlling communication between the surface water input unit and the river simulation unit and communication between the discharge unit and the river simulation unit, and obtaining the infiltration amount and the effective recharging amount of the aeration zone; and infiltration monitoring, wherein the circulation monitoring unit monitors the water content or the liquid level height in the aeration zone simulation unit and the water-containing layer simulation unit. Dynamic and three-dimensional monitoring of influence of infiltration water under different runoff conditions of rivers on the groundwater volume is realized.

Description

technical field [0001] The invention relates to the technical field of experimental simulation, in particular to a dynamic simulation method for surface water replenishing groundwater. Background technique [0002] Groundwater is an important water resource in my country. Among the 657 cities in the country, more than 400 use groundwater as their drinking water source. Taking the Beijing-Tianjin-Hebei region as an example, groundwater accounts for more than 70% of drinking water. However, due to the long-term overexploitation of groundwater in some areas, a series of environmental problems such as groundwater quality degradation and land subsidence have occurred. [0003] Groundwater recharge is an effective measure to systematically solve water supply security, restore water source mining capacity, and improve groundwater environment. At present, with the South-to-North Water Diversion Project's water supply, the utilization rate of rainwater and floods, and the improveme...

Claims

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Application Information

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IPC IPC(8): G01M10/00G01N33/18G01N33/24G01F23/14G01F23/02
CPCG01M10/00G01N33/18G01N33/246G01F23/02G01F23/14
Inventor 孔祥科李亚松韩占涛王夏晖黄国鑫刘雅慈朱玉晨
Owner INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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