Mon Oct 13, F. Flechtner
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Zhou, Weijing and Hao, Lu, 2025. How Urban Expansion and Climatic Regimes Affect Groundwater Storage in China's Major River Basins: A Comparative Analysis of the Humid Yangtze and Semi-Arid Yellow River Basins. Remote Sensing, 17(7):1292, doi:10.3390/rs17071292.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2025RemS...17.1292Z,
author = {{Zhou}, Weijing and {Hao}, Lu},
title = "{How Urban Expansion and Climatic Regimes Affect Groundwater Storage in China's Major River Basins: A Comparative Analysis of the Humid Yangtze and Semi-Arid Yellow River Basins}",
journal = {Remote Sensing},
keywords = {urbanization, groundwater storage anomalies, contrasting climatic regimes, quantitative attribution},
year = 2025,
month = apr,
volume = {17},
number = {7},
eid = {1292},
pages = {1292},
abstract = "{This study investigated and compared the spatiotemporal evolution and
driving factors of groundwater storage anomalies (GWSAs) under
the dual pressures of climate change and urban expansion in two
contrasting river basins of China. Integrating GRACE and GLDAS
data with multi-source remote sensing data and using attribution
analysis, we reveal divergent urban GWSA dynamics between the
humid Yangtze River Basin (YZB) and semi-arid Yellow River Basin
(YRB). The GWSAs in YZB urban grids showed a marked increasing
trend at 3.47 mm/yr (p < 0.05) during 2002{\textendash}2020,
aligning with the upward patterns observed in agricultural land
types including dryland and paddy fields, rather than exhibiting
the anticipated decline. Conversely, GWSAs in YRB urban grids
experienced a pronounced decline (‑5.59 mm/yr, p < 0.05),
exceeding those observed in adjacent dryland regions (‑5.00
mm/yr). The contrasting climatic regimes form the fundamental
drivers. YZB's humid climate (1074 mm/yr mean precipitation)
with balanced seasonality amplified groundwater recharge through
enhanced surface runoff (+6.1\%) driven by precipitation
increases (+7.4 mm/yr). In contrast, semi-arid YRB's water
deficit intensified, despite marginal precipitation gains (+3.5
mm/yr), as amplified evapotranspiration (+4.1 mm/yr) exacerbated
moisture scarcity. Human interventions further differentiated
trajectories: YZB's urban clusters demonstrated GWSA growth
across all city types, highlighting the synergistic effects of
urban expansion under humid climates through optimized drainage
infrastructure and reduced evapotranspiration from impervious
surfaces. Conversely, YRB's over-exploitation due to rapid
urbanization coupled with irrigation intensification drove
cross-sector GWSA depletion. Quantitative attribution revealed
climate change dominated YZB's GWSA dynamics (86\%
contribution), while anthropogenic pressures accounted for 72\%
of YRB's depletion. These findings provide critical insights for
developing basin-specific management strategies, emphasizing
climate-adaptive urban planning in water-rich regions versus
demand-side controls in water-stressed basins.}",
doi = {10.3390/rs17071292},
adsurl = {https://ui.adsabs.harvard.edu/abs/2025RemS...17.1292Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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