Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in mining

LONG Yu-qiao; LI Wei; LI Yan-ge; YANG Zhong-ping

doi:10.3969/j.issn.1001-4810.2011.01.005

Volume 30 Issue 1

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LONG Yu-qiao, LI Wei, LI Yan-ge, YANG Zhong-ping. Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in mining[J]. CARSOLOGICA SINICA, 2011, 30(1): 27-33. doi: 10.3969/j.issn.1001-4810.2011.01.005

Citation:

LONG Yu-qiao, LI Wei, LI Yan-ge, YANG Zhong-ping. Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in mining[J]. CARSOLOGICA SINICA, 2011, 30(1): 27-33. doi: 10.3969/j.issn.1001-4810.2011.01.005

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Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in mining

doi: 10.3969/j.issn.1001-4810.2011.01.005

1.
Department of Hydrology and Water Resources, Nanjing Hydraulic Research Institute
2.
College of Civil Engineering, Chongqing University

Received Date: 2010-11-29
Publish Date: 2011-03-25

Abstract

Abstract

A tank model and a water balance equation are developed to characterize the function of the karst aquifer of the Jinci Spring based on the water budget ingredients. In order to solve the equation of the model, we found two equations based on two relations and then replace the variables in water balance equation. One is the relations of the groundwater storage deficit and the groundwater table, derived from the monitoring data of the recharge, the other is the relations between spring discharge and karst groundwater table, which is obtained by the nonlinear regression. After solving, the model is verified with the monitoring data, involve karst water table, storage deficit and spring discharge from1981 to2006, and its simulated result is evaluated by the absolute value of absolute errors (AAEs) and linear correlation coefficients (LCCs). The evaluation results show, all AAEs are smaller than0.5, and all the LCCs are bigger than0.7, which means the model can be used to simulate the annual variation of spring discharges, groundwater table and deficit accurately. In addition, the tank model which takes account of the artificial recharge, pumping and coal mine drainage can be used for macroscopic groundwater protection and management.
- karst system,
- tank model,
- simultaneous draining in mining,
- Jinci Spring

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References(30)

References

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Tank model of the Jinci Karst Groundwater system under the conditions of simultaneous draining in mining

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