Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Liu, Yifu, Xu, Keke, Guo, Zengchang, Li, Sen, and Zhu, Yongzhen, 2024. Monitoring terrestrial water storage changes using GNSS vertical coordinate time series in Amazon River basin. Scientific Reports, 14(1):24077, doi:10.1038/s41598-024-74921-4.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2024NatSR..1424077L,
author = {{Liu}, Yifu and {Xu}, Keke and {Guo}, Zengchang and {Li}, Sen and {Zhu}, Yongzhen},
title = "{Monitoring terrestrial water storage changes using GNSS vertical coordinate time series in Amazon River basin}",
journal = {Scientific Reports},
keywords = {GNSS, GRACE, VMD-BiLSTM, PCA, TWS},
year = 2024,
month = oct,
volume = {14},
number = {1},
eid = {24077},
pages = {24077},
abstract = "{Aiming at the Terrestrial Water Storage(TWS) changes in the Amazon River
basin, this article uses the coordinate time series data of the
Global Navigation Satellite System (GNSS), adopts the
Variational Mode Decomposition and Bidirectional Long and Short
Term Memory(VMD-BiLSTM) method to extract the vertical crustal
deformation series, and then adopts the Principal Component
Analysis(PCA) method to invert the changes of terrestrial water
storage in the Amazon Basin from July 15, 2012 to July 25, 2018.
Then, the GNSS inversion results were compared with the
equivalent water height retrieved from Gravity Recovery and
Climate Experiment (GRACE) data. The results show that (1) the
extraction method proposed in this article has better denoising
effect than the traditional method; (2) the surface hydrological
load deformation can be well calculated using GNSS coordinate
vertical time series, and then the regional TWS changes can be
inverted, which has a good consistency with the result of GRACE
inversion of water storage, and has almost the same seasonal
variation characteristics; (3) There is a strong correlation
between TWS changes retrieved by GNSS based on surface
deformation characteristics and water mass changes calculated by
GRACE based on gravitational field changes, but GNSS satellite's
all-weather measurement results in a finer time scale compared
with GRACE inversion results. In summary, GNSS can be used as a
supplementary technology for monitoring terrestrial water
storage changes, and can complement the advantages of GRACE
technology.}",
doi = {10.1038/s41598-024-74921-4},
adsurl = {https://ui.adsabs.harvard.edu/abs/2024NatSR..1424077L},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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