Mon Dec 15, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Zhang, Jiawen, Liesch, Tanja, and Goldscheider, Nico, 2026. Impacts of climate change and human activities on global groundwater storage from 2003 to 2022. Journal of Hydrology, 664:134298, doi:10.1016/j.jhydrol.2025.134298.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2026JHyd..66434298Z,
author = {{Zhang}, Jiawen and {Liesch}, Tanja and {Goldscheider}, Nico},
title = "{Impacts of climate change and human activities on global groundwater storage from 2003 to 2022}",
journal = {Journal of Hydrology},
keywords = {GRACE, Groundwater storage change, Drought index, Sustainable groundwater management, Agriculture irrigation},
year = 2026,
month = jan,
volume = {664},
eid = {134298},
pages = {134298},
abstract = "{Groundwater is integral to land surface processes, significantly
influencing water and energy cycles, and it is an important
resource for drinking water and ecosystems. Climate change and
anthropogenic impacts have an ever-increasing influence on the
water cycle and groundwater storage in recent decades. This
study leverages GRACE and ERA5-Land data to analyze groundwater
storage variability from 2003 to 2022, with a 1{\textdegree}
spatial resolution. Approximately 81 \% of global regions have
shown significant groundwater storage changes, with 48 \%
experiencing declines and 52 \% observing increases.
Approximately 3.4 billion people live in regions where
groundwater has significantly declined over the past 20 years.
Findings indicate considerable global groundwater changes, with
depletion hotspots (>20 mm/year) in northern India, the North
China Plain, eastern Brazil, and around the Caspian Sea.
Standardised Precipitation-Evapotranspiration Index (SPEI)
trends exhibit a stronger influence on groundwater storage
change than precipitation trends, highlighting the critical role
of evapotranspiration. Groundwater depletion is driven primarily
by agricultural irrigation and over-abstraction, with population
density playing a relatively smaller role. GRACE data
facilitates global monitoring, underscoring the need for long-
term dynamic observation to inform sustainable groundwater
management policies crucial for regions facing groundwater
depletion to ensure long-term freshwater resource
sustainability.}",
doi = {10.1016/j.jhydrol.2025.134298},
adsurl = {https://ui.adsabs.harvard.edu/abs/2026JHyd..66434298Z},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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