A Method for Determining the Supply Channel and Intensity of Large Karst Springs

A karst and channel technology, which is applied in the field of determining the supply channel of karst spring and its strength, can solve the problem that the underground supply runoff channel in the karst spring area has not been accurately identified, the three-dimensional spatial distribution of the karst channel cannot be accurately obtained, and the hydrogeological conditions are too high. Idealization and other problems to achieve the effect of convenient calculation results, prevention and control of spring water pollution, and elimination of scale effects
CN108020649BActive Publication Date: 2020-05-08UNIV OF JINAN
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
UNIV OF JINAN
Publication Date
2020-05-08

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Abstract

The invention discloses a method for determining the large karst spring replenishment channel and intensity. The method comprises the following steps of 1, using a spring water position to judge the sensitivity of a rainfall station; 2, determining the main runoff zone depth and distribution thereof; 3, verifying the main runoff zone depth and distribution thereof determined in the step 2 througha temperature and conductivity tracer technique; 4, calculating the intensities of different runoff replenishment sources. By means of the method for determining the large karst spring replenishment channel and intensity, on the basis of the nature of a regional hydrogeological condition, through the four elements of the relevance of the rainfall station and the spring water position, the karst fissure rate, the temperature tracer and the water chemical mixing ratio, the outdoor large-scale karst spring replenishment channel is precisely identified, a scientific basis is provided for protection of large karst spring water flow and water quality, and decision-making support is provided for related government departments to manage groundwater resources.
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Description

technical field

[0001] The invention relates to the technical field of hydrogeology, in particular to a method for determining a karst big spring supply channel and its strength. Background technique

[0002] With the change of global climate and environment and the intensification of human activities, many environmental hydrogeological problems such as spring flow depletion and spring water pollution have appeared in karst distribution areas in recent years. Therefore, karst water supply channels have become a difficult problem in karst research at home and abroad. Although predecessors tried to study the source of runoff in karst water systems by using computer numerical simulation inversion, optimization algorithm identification, probability and statistics models, and indoor experiments, due to the limitation of technological development, there is no accurate identification under the conditions of modern science and technology. An effective method for subsurface recharge ...

Claims

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