A New GRACE Downscaling Approach for Deriving High‐Resolution Groundwater Storage Changes Using Ground‐Based Scaling Factors

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成果类型：

期刊论文

作者：

Li, Huixiang;Pan, Yun;Yeh, Pat J. -F.;Zhang, Chong;Huang, Zhiyong;...

通讯作者：

Pan, Y;Yeh, PJF

作者机构：

[Li, Huixiang; Pan, Yun; Gong, Huili; Zhang, Chong] Capital Normal Univ, Beijing Lab Water Resources Secur, Beijing, Peoples R China.

[Li, Huixiang; Pan, Yun; Gong, Huili; Zhang, Chong] Capital Normal Univ, MOE Key Lab Mech Prevent & Mitigat Land Subsidence, Beijing, Peoples R China.

[Li, Huixiang; Wang, Haigang; Pan, Yun; Gong, Huili; Zhang, Chong] Hebei Cangzhou Groundwater & Land Subsidence Natl, Cangzhou, Peoples R China.

[Yeh, PJF; Yeh, Pat J. -F.] Monash Univ, Dept Civil Engn, Monash, Malaysia.

[Huang, Zhiyong] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha, Peoples R China.

通讯机构：

[Pan, Y ] C

[Yeh, PJF ] M

Capital Normal Univ, Beijing Lab Water Resources Secur, Beijing, Peoples R China.

Capital Normal Univ, MOE Key Lab Mech Prevent & Mitigat Land Subsidence, Beijing, Peoples R China.

Hebei Cangzhou Groundwater & Land Subsidence Natl, Cangzhou, Peoples R China.

语种：

英文

关键词：

GRACE;groundwater storage change;groundwater level change;scaling factor;Scaling factor;North China plain

期刊：

Water Resources Research

ISSN：

0043-1397

年：

2024

卷：

期：

页码：

e2023WR035210-

DOI：

10.1029/2023WR035210

基金类别：

the National Natural Science Foundation of China [42071397, 41771456, 42201345]; National Natural Science Foundation of China [2019QZKK0207-02]; Second Tibetan Plateau Scientific Expedition and Research Program [8232021]; Beijing Natural Science Foundation

机构署名：

本校为其他机构

院系归属：

水利工程学院

摘要：

To compensate for the coarse resolution of groundwater storage (GWS) estimation by the Gravity Recovery and Climate Experiment (GRACE) satellites and make better use of available observed groundwater-level (GWL) data in some aquifers, a ground-based scaling factor (SF) method is proposed here to derive high-resolution GRACE GWS estimates. Improvement is achieved by using the gridded SF derived from assimilating ground-based GWL observations. The proposed SF method is tested on the North China Plain (NCP, ∼140,000 km 2 ), where a dense network ...

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A New GRACE Downscaling Approach for Deriving High‐Resolution Groundwater Storage Changes Using Ground‐Based Scaling Factors

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