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Regional groundwater suitability recharging region partitioning and grading evaluation method

A groundwater, suitable technology, applied in the direction of instruments, data processing applications, resources, etc., can solve problems such as the impact of the validity of evaluation results, and achieve the effect of simple calculation and clear indicators

Pending Publication Date: 2020-11-10
INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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Problems solved by technology

However, the differences in the selection of indicators, the quantification method of each indicator, the calculation method of weight and the difference in superposition calculation method will have a specific impact on the validity of the evaluation results.

Method used

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  • Regional groundwater suitability recharging region partitioning and grading evaluation method
  • Regional groundwater suitability recharging region partitioning and grading evaluation method
  • Regional groundwater suitability recharging region partitioning and grading evaluation method

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Embodiment Construction

[0043] In order to facilitate understanding of the present invention, the present invention will be described more fully below in conjunction with specific embodiments. However, the present invention can be embodied in many different forms and is not limited to the embodiments set forth herein. On the contrary, the purpose of providing these embodiments is to make the content of the present invention more thorough and comprehensive.

[0044] Divide the target area to obtain a regulation and storage cell group, and select a number of effective regulation and storage cells from the regulation and storage cell group.

[0045] Determine F according to the actual situation of the effective regulation and storage area i (The adjustable storage area of ​​the effective storage area), u i (The water supply value of the effective regulation and storage area), h imin (the maximum rise threshold of the groundwater level in the effective regulation and storage area), h i1 (Elevation of...

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Abstract

The invention relates to the field of groundwater recharging, in particular to a regional recharging suitability evaluation method which comprises the following steps: (1) evaluating groundwater recharging potential of a target region to obtain adjustable storage capacity; (2) performing hydrogeological condition-based evaluation and grading on the target region; (3) performing evaluation and grading based on environmental constraint conditions on the target region; and (4) based on the adjustable storage capacity, the hydrogeological conditions and the environmental constraint conditions, grading the suitability of the underground water recharging region of the target region.

Description

technical field [0001] The invention relates to the field of groundwater replenishment, in particular to a method for evaluating the suitability of regional replenishment. Background technique [0002] The total amount of groundwater exploitation in the country has exceeded 110 billion m3, and more than 70% of the total water supply in some northern regions has become groundwater; 21 provinces (autonomous regions, municipalities) have groundwater overexploitation areas in plain areas, of which 19 provinces (autonomous regions, municipalities) have serious Overexploitation area. The distribution area of ​​groundwater overexploitation areas in my country's plains is about 300,000 square kilometers. A series of ecological and environmental problems caused by the overexploitation of groundwater, such as continuous lowering of the groundwater level, desiccation of the aquifer, land subsidence, deterioration of water quality, and intrusion of sea (salt) water, endanger water supp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06393G06Q50/06
Inventor 张学庆崔向向张兆吉费宇红孟素花
Owner INST OF HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CHINESE ACAD OF GEOLOGICAL SCI
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