Mon Oct 13, F. Flechtner
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Sun, Weicheng and Zhang, Xingfu, 2024. Revealing Water Storage Changes and Ecological Water Conveyance Benefits in the Tarim River Basin over the Past 20 Years Based on GRACE/GRACE-FO. Remote Sensing, 16(23):4355, doi:10.3390/rs16234355.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2024RemS...16.4355S,
author = {{Sun}, Weicheng and {Zhang}, Xingfu},
title = "{Revealing Water Storage Changes and Ecological Water Conveyance Benefits in the Tarim River Basin over the Past 20 Years Based on GRACE/GRACE-FO}",
journal = {Remote Sensing},
keywords = {GRACE/GRACE-FO, Tarim River Basin, terrestrial water storage, groundwater storage, ecological water conveyance},
year = 2024,
month = nov,
volume = {16},
number = {23},
eid = {4355},
pages = {4355},
abstract = "{As China's largest inland river basin and one of the world's most arid
regions, the Tarim River Basin is home to an extremely fragile
ecological environment. Therefore, monitoring the water storage
changes is critical for enhancing water resources management and
improving hydrological policies to ensure sustainable
development. This study reveals the spatiotemporal changes of
water storage and its driving factors in the Tarim River Basin
from 2002 to 2022, utilizing data from GRACE, GRACE-FO (GFO),
GLDAS, the glacier model, and measured hydrological data. In
addition, we validate GRACE/GFO data as a novel resource that
can monitor the ecological water conveyance (EWC) benefits
effectively in the lower reaches of the basin. The results
reveal that (1) the northern Tarim River Basin has experienced a
significant decline in terrestrial water storage (TWS), with an
overall deficit that appears to have accelerated in recent
years. From April 2002 to December 2009, the groundwater storage
(GWS) anomaly accounted for 87.5\% of the TWS anomaly, while
from January 2010 to January 2020, the ice water storage (IWS)
anomaly contributed 57.1\% to the TWS anomaly. (2) The TWS
changes in the Tarim River Basin are primarily attributed to the
changes of GWS and IWS, and they have the highest correlation
with precipitation and evapotranspiration, with grey relation
analysis (GRA) coefficients of 0.74 and 0.68, respectively,
while the human factors mainly affect GWS, with an average GRA
coefficient of 0.64. (3) In assessing ecological water
conveyance (EWC) benefits, the GRACE/GFO-derived TWS anomaly in
the lower reaches of the Tarim River exhibits a good
correspondence with the changes of EWC, NDVI, and groundwater
levels.}",
doi = {10.3390/rs16234355},
adsurl = {https://ui.adsabs.harvard.edu/abs/2024RemS...16.4355S},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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