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Unsaturated zone-groundwater pollution correlation simulation experiment method

A technology for groundwater pollution and simulation experiments, which is applied in the field of simulation experiments related to vadose zone-groundwater pollution, and can solve the problems of poor simulation results of vadose zone-groundwater correlation

Active Publication Date: 2019-06-04
INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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Problems solved by technology

[0007] The purpose of the present invention is to provide a kind of vadose zone-groundwater pollution correlation simulation experiment method, to solve the problem that the existing simulation device has poor simulation effect on the vadose zone-groundwater correlation

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[0027] Below in conjunction with specification and specific embodiment, the present invention is described in further detail and completely, but the present invention is not limited, and the present invention is not limited to the content of the following examples. conventional methods in the art.

[0028]The simulation experiment method of the present invention is realized through a corresponding vadose zone-groundwater pollution correlation simulation experiment platform, and the simulation experiment platform includes a dynamic water level simulation device 1 , a vadose zone simulation device 2 and a rainfall irrigation simulation device 3 .

[0029] The main body of the dynamic water level simulation device 1 is a box-shaped casing with a rectangular cross-section. The box-shaped casing is made of plexiglass, and the periphery is reinforced and supported by stainless steel brackets; two parallel porous water-permeable Plate 4, two porous permeable plates 4 are respectively...

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Abstract

The invention discloses an unsaturated zone-groundwater pollution correlation simulation experiment method, which is realized by an unsaturated zone-groundwater pollution correlation simulation experiment platform. The experiment platform comprises a dynamic water level simulation device, an unsaturated zone simulation device and a rainfall irrigation simulation device. Through adding various pollution sources at different depths in the unsaturated zone simulation device, migration and transformation of the pollution sources in the unsaturated zone are stereoscopically monitored, the migrationand transformation process after entering an aquifer is stereoscopically monitored, and a complete stereoscopic pollution source simulation experiment method with vertical unsaturated zone infiltration and horizontal aquifer migration is formed.

Description

technical field [0001] The invention relates to the technical field of groundwater pollution and remediation, in particular to a simulation experiment method for correlation between vadose zone and groundwater pollution. Background technique [0002] In hydrogeology, the vadose zone refers to the geological space between the water table and the surface. It plays an important role in the formation and change of groundwater resources. It not only has the ability to store water, but also has the function of transmitting surface infiltration water. The soil in the vadose zone obtains water from precipitation (or irrigation) and consumes water from evapotranspiration. Both rainfall and evapotranspiration in nature have a changing process, sometimes rainfall is greater than evapotranspiration, and sometimes rainfall is smaller than evapotranspiration. This will inevitably lead to the soil moisture content in the vadose zone sometimes increasing and sometimes decreasing, presenti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18G09B25/00
Inventor 张学庆张兆吉费宇红李亚松崔向向
Owner INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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