摘要详情
231 / 2023-09-28 18:15:38
基于GRACE数据评估黄土高原煤炭开采对地下水储量的影响
GRACE/GRACE-FO; Loess Plateau; Groundwater ; Coal Mining
摘要待审
The Loess Plateau is the largest coal energy base in China, and studying the relationship between coal mining and groundwater resource consumption is of great significance. Firstly, based on GRACE/GRACE-FO data and GLDAS hydrological model, the groundwater storage changes in the Loess Plateau from 2006 to 2020 were inverted; Secondly, combining coal mining data to correct signal interference caused by coal mining in GRACE inversion results; Finally, the ANN model was used to simulate the spatiotemporal variation trend of normal water consumption in the Loess Plateau, and based on this, the impact of coal mining on the changes in groundwater reserves was analyzed. The study found that: (1) After deducting the interference of coal mining, the changes in land water storage and groundwater storage on the Loess Plateau from 2006 to 2020 were -0.53 ± 0.16cm/year and -0.66 ± 0.08cm/year, respectively; (2) It is estimated that the mine tunnel drainage in Shanxi Province in the Loess Plateau area were -0.17 ± 0.03 cm/year, -0.46 ± 0.05 cm/year, which indicates that the coal mining output in the eastern part of the Loess Plateau has caused serious groundwater loss. (3) In terms of space, the area with severe groundwater consumption after deducting the fitted normal water consumption from the groundwater retrieved by GRACE wasconsistent with the distribution of coal mining areas, indicating that coal mining was the main driving factor for groundwater reserve consumption in the eastern region of the Loess Plateau. This study reveals the important impact of coal mining on water resources in the Loess Plateau, which can provide guidance for coal and water resource management in the Loess Plateau region.
重要日期
-
会议日期
10月26日
2023
至10月29日
2023
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10月15日 2023
摘要截稿日期
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10月15日 2023
初稿截稿日期
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11月13日 2023
注册截止日期
主办单位
国际矿山测量协会
中国煤炭学会
中国测绘学会
中国煤炭学会
中国测绘学会
承办单位
中国矿业大学
中国煤炭科工集团有限公司
中国煤炭科工集团有限公司
