Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Tian, Kunjun, Wang, Zhengtao, Li, Fupeng, Gao, Yu, Xiao, Yang, and Liu, Cong, 2021. Drought Events over the Amazon River Basin (1993-2019) as Detected by the Climate-Driven Total Water Storage Change. Remote Sensing, 13(6):1124, doi:10.3390/rs13061124.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2021RemS...13.1124T,
author = {{Tian}, Kunjun and {Wang}, Zhengtao and {Li}, Fupeng and {Gao}, Yu and {Xiao}, Yang and {Liu}, Cong},
title = "{Drought Events over the Amazon River Basin (1993-2019) as Detected by the Climate-Driven Total Water Storage Change}",
journal = {Remote Sensing},
keywords = {Amazon river basin, climate-driven, drought, GRACE, GRACE follow on, TWSC},
year = 2021,
month = mar,
volume = {13},
number = {6},
eid = {1124},
pages = {1124},
abstract = "{The Gravity Recovery and Climate Experiment (GRACE) mission has measured
total water storage change (TWSC) and interpreted drought
patterns in an unparalleled way since 2002. Nevertheless, there
are few sources that can be used to understand drought patterns
prior to the GRACE era. In this study, we extended the gridded
GRACE TWSC to 1993 by combining principal component analysis
(PCA), least square (LS) fitting, and multiple linear regression
(MLR) methods using climate variables as input drivers. We used
the extended (climate-driven) TWSC to interpret drought patterns
(1993-2019) over the Amazon basin. Results showed that, in the
Amazon area with the resolution of 0.5{\textdegree}, GRACE,
GRACE follow on, and Swarm had correlation coefficients of 0.95,
0.92, and 0.77 compared with climate-driven TWSCS, respectively.
The drought patterns assessed by the climate-driven TWSC were
consistent with those interpreted by the Palmer Drought Severity
Index and GRACE TWSC. We also found that the 1998 and 2016
drought events in the Amazon, both induced by strong El Ni{\~n}o
events, showed similar drought patterns. This study provides a
new perspective for interpreting long-term drought patterns
prior to the GRACE period.}",
doi = {10.3390/rs13061124},
adsurl = {https://ui.adsabs.harvard.edu/abs/2021RemS...13.1124T},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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