Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Zhang, Yu, Zhang, Yi, Liu, Sulan, Wu, Xiaohui, Liu, Yubin, Zhong, Yulong, and Wu, Yunlong, 2025. Regulatory Impacts of the Three Gorges Dam on Long-Term Terrestrial Water Storage Anomalies in the Three Gorges Reservoir Area: Insights from GRACE and Multi-Source Data. Remote Sensing, 17(5):901, doi:10.3390/rs17050901.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2025RemS...17..901Z,
author = {{Zhang}, Yu and {Zhang}, Yi and {Liu}, Sulan and {Wu}, Xiaohui and {Liu}, Yubin and {Zhong}, Yulong and {Wu}, Yunlong},
title = "{Regulatory Impacts of the Three Gorges Dam on Long-Term Terrestrial Water Storage Anomalies in the Three Gorges Reservoir Area: Insights from GRACE and Multi-Source Data}",
journal = {Remote Sensing},
keywords = {GRACE/GRACE-FO, Three Gorges Dam, terrestrial water storage anomaly, human factors},
year = 2025,
month = mar,
volume = {17},
number = {5},
eid = {901},
pages = {901},
abstract = "{Understanding the impact of human activities on regional water resources
is essential for sustainable basin management. This study
examines long-term terrestrial water storage anomalies (TWSA) in
the Three Gorges Reservoir Area (TGRA) over two decades, from
2003 to 2023. The analysis utilizes data from the Gravity
Recovery and Climate Experiment (GRACE) and its successor
mission (GRACE-FO), complemented by Global Land Data
Assimilation System (GLDAS) models and ECMWF Reanalysis v5
(ERA5) datasets. The research methodically explores the
comparative contributions of natural factors and human
activities to the region's hydrological dynamics. By integrating
the GRACE Drought Severity Index (GRACE-DSI), this study
uncovers the dynamics of droughts during extreme climate events.
It also reveals the pivotal role of the Three Gorges Dam (TGD)
in mitigating these events and managing regional water
resources. Our findings indicate a notable upward trend in TWSA
within the TGRA, with an annual increase of 0.93 cm/year. This
trend is largely due to the effective regulatory operations of
TGD. The dam effectively balances the seasonal distribution of
water storage between summer and winter and substantially
reduces the adverse effects of extreme droughts on regional
water resources. Further, the GRACE-DSI analysis underscores the
swift recovery of TWSA following the 2022 drought, highlighting
TGD's critical role in responding to extreme climatic
conditions. Through correlation analysis, it was found that
compared with natural factors (correlation 0.62), human
activities (correlation 0.91) exhibit a higher relative
contribution to TWSA variability. The human-induced
contributions were derived from the difference between GRACE and
GLDAS datasets, capturing the combined effects of all human
activities, including the operations of the TGD, agricultural
irrigation, and urbanization. However, the TGD serves as a key
regulatory facility that significantly influences regional water
resource dynamics, particularly in mitigating extreme climatic
events. This study provides a scientific basis for water
resource management in the TGRA and similar large reservoir
regions, emphasizing the necessity of integrating the
interactions between human activities and natural factors in
basin management strategies.}",
doi = {10.3390/rs17050901},
adsurl = {https://ui.adsabs.harvard.edu/abs/2025RemS...17..901Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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