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| DOI | 10.3390/rs16050812 |
| Providing Enhanced Insights into Groundwater Exchange Patterns through Downscaled GRACE Data | |
| 发表日期 | 2024 |
| EISSN | 2072-4292 |
| 起始页码 | 16 |
| 结束页码 | 5 |
| 卷号 | 16期号:5 |
| 英文摘要 | The measurement of groundwater exchange between neighboring regions is a critical topic in water resource management and can usually be achieved through a combination of field investigations and the use of groundwater flow models. In this study, we employed the water balance and Darcy's law methods, utilizing downscaled Gravity Recovery and Climate Experiment (GRACE) and GRACE-Follow On (GRACE-FO) data to assess groundwater exchange patterns in the Beijing-Tianjin-Hebei (BTH) region of China. Additionally, we determined the contributions of human activities and climate factors to the observed variations via residual analysis. The results revealed a consistent decrease in groundwater storage in the study area since 2008, especially in the spring and summer months. The groundwater exchange rates calculated by 1 degrees and 0.05 degrees groundwater storage anomalies (GWSAs) were basically consistent, and the downscaled GWSAs could better reflect the small-scale groundwater exchange characteristics. The groundwater exchange rate showed a decreasing trend from the Piedmont plain to the coastal areas. A notable trend of declining groundwater exchange between the Taihang Mountains and Piedmont plains was observed, and the downward trend gradually intensified from north to south between 2003 and 2007. After 2008, there was an increasing trend, and coastal areas exhibited the smallest amount of groundwater exchange. Human activities emerged as the predominant factor accounting for more than 90.9% of the overall reduction in groundwater storage, while climate change imposed a minimal influence on groundwater storage variations. The insights obtained in this study hold significant implications for groundwater resource planning and management in the region. |
| 英文关键词 | groundwater exchange; GRACE; dynamic downscaling; BTH regions; groundwater storage |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS记录号 | WOS:001182920600001 |
| 来源期刊 | REMOTE SENSING
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/300103 |
| 作者单位 | Beijing Normal University; Beijing Normal University |
| 推荐引用方式 GB/T 7714 | . Providing Enhanced Insights into Groundwater Exchange Patterns through Downscaled GRACE Data[J],2024,16(5). |
| APA | (2024).Providing Enhanced Insights into Groundwater Exchange Patterns through Downscaled GRACE Data.REMOTE SENSING,16(5). |
| MLA | "Providing Enhanced Insights into Groundwater Exchange Patterns through Downscaled GRACE Data".REMOTE SENSING 16.5(2024). |
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