Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States
Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States
复制标题
GPS 推断美国西部环太平洋地区边界内水储量增强变化
DOI:
10.3390/rs12152429
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发表时间:
2020-07
期刊:
影响因子:
5
通讯作者:
Bai Xixuan
中科院分区:
文献类型:
--
作者:
Shen Yingchun;Yan Haoming;Peng Peng;Feng Wei;Zhang Zizhan;Song Yunji;Bai Xixuan
We developed a new boundary-included inversion model to improve the terrestrial water storage (TWS) inverted from regional GPS vertical deformation data. Through defining a new disc load empirical function (DLEF) and considering the mass change effect from the near but outside region, the result shows the TWS is more reasonable than the one inverted directly. Six simulation tests further confirmed the effectiveness of the boundary-included model. Finally, our new boundary-included model was used to derive the TWS in the Pacific Rim of the western United States based on the GPS-observed vertical deformation information. The inversion results show that our boundary-included inversion model can effectively improve the inversion results by 10–20% in terms of variance reduction in the boundary regions.
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