GRACE-based monitoring groundwater change in coal mining areas

被引：0
|
作者：
Li S. [1 ,2 ]
Shi P. [1 ,3 ]
Gu X. [1 ,2 ]
Fu X. [2 ]
Ni S. [4 ]
Zhang N. [1 ,2 ]
机构：
[1] Henan Key Laboratory of Ecological Environment Protection and Restoration of Yellow River Basin, Zhengzhou
[2] Yellow River Institute of Hydraulic Research, Yellow River Conservancy Commission, Zhengzhou
[3] College of Hydrology and Water Resources, Hohai University, Nanjing
[4] Nanjing Hydraulic Research Institute, Nanjing
来源：
Shuili Xuebao/Journal of Hydraulic Engineering | 2021年 / 52卷 / 12期
关键词：
Coal mine; GLDAS; GRACE; Groundwater variation; Middle Yellow River;
D O I：
10.13243/j.cnki.slxb.20210076
中图分类号：
学科分类号：
摘要：
An extensive coal mining in the middle reaches of the Yellow River, a coal-rich area in China, has produced a relatively severe disruption of the groundwater which is an important water sources for living and production in the region. Therefore, it is fundamental to real time monitor the change of the groundwater. GRACE gravity satellite launched in 2002 has provided a new method for monitoring of a regional scale water storage change. An inverse analysis were carried out on the land water and groundwater storage of the Kuye River Basin, one of major tributaries of the Yellow River, using GRACE and GLDAS in 2009. Having compared precipitation, evaporation and the simulation results of GLDAS and surface-groundwater coupling model, it was found that GRACE can be used to monitor the change of groundwater storage in coal mining region. The land storage and groundwater reduced in 2009 are 15.5mm/m. and 29.4mm/m. respectively, compared with those of the basic period (2004-2009). The fractured water-conducting zones generated by coal mining have opened passages between soil water and groundwater. As a result, the change between them has noticeably related and their correlation coefficient is 0.84. © 2021, China Water Power Press. All right reserved.
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页码：1439 / 1448
页数：9
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