Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Yang, Shuang, Zhong, Yulong, Wu, Yunlong, Yang, Kaijun, An, Qing, Bai, Hongbing, and Liu, Sulan, 2025. Quantifying long-term drought in China's exorheic basins using a novel daily GRACE reconstructed TWSA index. Journal of Hydrology, 655:132919, doi:10.1016/j.jhydrol.2025.132919.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2025JHyd..65532919Y,
author = {{Yang}, Shuang and {Zhong}, Yulong and {Wu}, Yunlong and {Yang}, Kaijun and {An}, Qing and {Bai}, Hongbing and {Liu}, Sulan},
title = "{Quantifying long-term drought in China's exorheic basins using a novel daily GRACE reconstructed TWSA index}",
journal = {Journal of Hydrology},
keywords = {Daily drought index, Terrestrial water storage anomalies, Hydrogeodesy, China's exorheic basins, Drought assessment, GRACE reconstruction},
year = 2025,
month = jul,
volume = {655},
eid = {132919},
pages = {132919},
abstract = "{As global warming intensifies, the frequency of drought events
increases, drawing attention to enhanced drought monitoring.
While drought indices play a crucial role, most are available
only on a monthly scale, and daily indicators remain limited.
This study addresses this gap by reconstructing daily
Terrestrial Water Storage Anomalies (TWSA) from 1963 to 2022 and
proposing a Daily Standardized GRACE Reconstructed TWSA Index
(D-SGRTI). The index is applied to nine exorheic basins in
China. Results indicate that D-SGRTI shows strong agreement with
other drought indices, including the Standardized Precipitation
Index (SPI), Standardized Precipitation Evapotranspiration Index
(SPEI), Standardized Soil Moisture Index (SSI), and Standardized
Runoff Index (SRI). The correlation coefficient (CC) analysis
shows that between D-SGRTI and SSI in the Songhuajiang River
Basin (SRB) is 0.84, while CCs between D-SGRTI and SRI are
highest in the other eight basins, reaching 0.91 in the Middle
Yangtze River Basin (MYRB). The semi-arid and semi-humid basins
show higher drought frequency, longer duration, and slower
recovery over the study period. In contrast, in the humid
basins, D-SGRTI reveals lower drought frequency, shorter
duration, and quicker recovery. Generally, the drought frequency
in autumn and winter is higher than that in spring and summer.
This study presents an alternative method for monitoring drought
at a daily scale, offering valuable insights for drought
assessment across various regions in China. The approach holds
potential for broader application in global drought monitoring
efforts.}",
doi = {10.1016/j.jhydrol.2025.132919},
adsurl = {https://ui.adsabs.harvard.edu/abs/2025JHyd..65532919Y},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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