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Remote Sensing
Volume 12
Issue 15
10.3390/rs12152429
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Article

Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States

by
Yingchun Shen
1,2,
Haoming Yan
1,*,
Peng Peng
1,
Wei Feng
1,
Zizhan Zhang
1,
Yunji Song
3 and
Xixuan Bai
4
1
State Key Laboratory of Geodesy and Earth’s Dynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Qingdao Surveying and Mapping Institute, Qingdao 266034, China
4
Wuhan Institute of Technology, Wuhan 430205, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(15), 2429; https://doi.org/10.3390/rs12152429
Submission received: 2 July 2020 / Revised: 25 July 2020 / Accepted: 28 July 2020 / Published: 29 July 2020
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Abstract

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.
Keywords: boundary-included inversion; GPS; vertical deformation; water storage changes; disc load empirical function (DLEF) boundary-included inversion; GPS; vertical deformation; water storage changes; disc load empirical function (DLEF)
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MDPI and ACS Style

Shen, Y.; Yan, H.; Peng, P.; Feng, W.; Zhang, Z.; Song, Y.; Bai, X. Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States. Remote Sens. 2020, 12, 2429. https://doi.org/10.3390/rs12152429

AMA Style

Shen Y, Yan H, Peng P, Feng W, Zhang Z, Song Y, Bai X. Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States. Remote Sensing. 2020; 12(15):2429. https://doi.org/10.3390/rs12152429

Chicago/Turabian Style

Shen, Yingchun, Haoming Yan, Peng Peng, Wei Feng, Zizhan Zhang, Yunji Song, and Xixuan Bai. 2020. "Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States" Remote Sensing 12, no. 15: 2429. https://doi.org/10.3390/rs12152429

APA Style

Shen, Y., Yan, H., Peng, P., Feng, W., Zhang, Z., Song, Y., & Bai, X. (2020). Boundary-Included Enhanced Water Storage Changes Inferred by GPS in the Pacific Rim of the Western United States. Remote Sensing, 12(15), 2429. https://doi.org/10.3390/rs12152429

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