Thu Apr 10, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Feng, Wei, Shum, C. K., Zhong, Min, and Pan, Yun, 2018. Groundwater Storage Changes in China from Satellite Gravity: An Overview. Remote Sensing, 10(5):674, doi:10.3390/rs10050674.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2018RemS...10..674F,
author = {{Feng}, Wei and {Shum}, C.~K. and {Zhong}, Min and {Pan}, Yun},
title = "{Groundwater Storage Changes in China from Satellite Gravity: An Overview}",
journal = {Remote Sensing},
keywords = {GRACE, groundwater storage, satellite gravimetry, China, hydrological model, groundwater level, North China Plain},
year = 2018,
month = apr,
volume = {10},
number = {5},
eid = {674},
pages = {674},
abstract = "{Groundwater plays a critical role in the global water cycle and is the
drinking source for almost half of the world's population.
However, exact quantification of its storage change remains
elusive due primarily to limited ground observations in space
and time. The Gravity Recovery and Climate Experiment (GRACE)
twin-satellite data have provided global observations of water
storage variations at monthly sampling for over a decade and a
half, and is enable to estimate changes in groundwater storage
(GWS) after removing other water storage components using
auxiliary datasets and models. In this paper, we present an
overview of GWS changes in three main aquifers within China
using GRACE data, and conduct a comprehensive accuracy
assessment using in situ ground well observations and
hydrological models. GRACE detects a significant GWS depletion
rate of 7.2 {\ensuremath{\pm}} 1.1 km$^{3}$/yr in the North
China Plain (NCP) during 2002-2014, consistent with ground well
observations and model predictions. The Liaohe River Basin (LRB)
experienced a pronounced GWS decline during 2005-2009, at a
depletion rate of 5.0 {\ensuremath{\pm}} 1.2 km$^{3}$/yr. Since
2010, GRACE-based GWS reveal a slow recovery in the LRB, with
excellent agreement with ground well observations. For the whole
study period 2002-2014, no significant long-term GWS depletion
is found in the LRB nor in the Tarim Basin. A case study in the
Inner Tibetan Plateau highlights there still exist large
uncertainties in GRACE-based GWS change estimates.}",
doi = {10.3390/rs10050674},
adsurl = {https://ui.adsabs.harvard.edu/abs/2018RemS...10..674F},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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