Open Access
Evaluation of groundwater depletion in North China using the Gravity Recovery and Climate Experiment (GRACE) data and ground-based measurements (EI)
W Feng,M Zhong,Lemoine J.-M.,R Biancale,Hsu H.-T.,J Xia +5 more
- Vol. 49, Iss: 4
TLDR
In this paper, the authors estimated the groundwater depletion rate in North China based on GRACE data and ground-based measurements collected from 2003 to 2010, which is equivalent to a volume of 8.3 km3/yr.Abstract:
[1] Changes in regional groundwater storage in North China were estimated from the Gravity Recovery and Climate Experiment (GRACE) satellites data and ground-based measurements collected from 2003 to 2010. The study area (∼370,000 km2) included the Beijing and Tianjin municipality, the Hebei and Shanxi province, which is one of the largest irrigation areas in the world and is subjected to intensive groundwater-based irrigation. Groundwater depletion in North China was estimated by removing the simulated soil moisture changes from the GRACE-derived terrestrial water storage changes. The rate of groundwater depletion in North China based on GRACE was 2.2 ± 0.3 cm/yr from 2003 to 2010, which is equivalent to a volume of 8.3 ± 1.1 km3/yr. The groundwater depletion rate estimated from monitoring well stations during the same time period was between 2.0 and 2.8 cm/yr, which is consistent with the GRACE-based result. However, the estimated groundwater depletion rate in shallow plain aquifers according to the Groundwater Bulletin of China Northern Plains (GBCNP) for the same time period was only approximately 2.5 km3/yr. The difference in groundwater depletion rates estimated from GRACE and GBCNP data indicates the important contribution of groundwater depletion from deep aquifers in the plain and piedmont regions of North China.read more
Citations
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Journal ArticleDOI
The global groundwater crisis
TL;DR: In this article, the authors argue that groundwater depletion the world over poses a far greater threat to global water security than is currently acknowledged, and propose a solution to this problem.
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Emerging trends in global freshwater availability.
Matthew Rodell,James S. Famiglietti,James S. Famiglietti,David N. Wiese,John T. Reager,Hiroko Kato Beaudoing,Hiroko Kato Beaudoing,Felix W. Landerer,Min-Hui Lo +8 more
TL;DR: Analysis of 2002–2016 GRACE satellite observations of terrestrial water storage reveals substantial changes in freshwater resources globally, which are driven by natural and anthropogenic climate variability and human activities.
Journal ArticleDOI
Global-scale assessment of groundwater depletion and related groundwater abstractions: Combining hydrological modeling with information from well observations and GRACE satellites
TL;DR: In this article, a new version of the global hydrological model WaterGAP was applied to derive groundwater depletion at the grid cell, country, and global levels, which simulates not only net groundwater abstractions and groundwater recharge from soils, but also surface water recharge from surface water bodies in dry regions.
Journal ArticleDOI
Global Evaluation of New GRACE Mascon Products for Hydrologic Applications
Bridget R. Scanlon,Zizhan Zhang,Himanshu Save,David N. Wiese,Felix W. Landerer,Di Long,Laurent Longuevergne,Jianli Chen +7 more
TL;DR: In this paper, the authors compare GRACE mascons from the Center for Space Research (CSR-M) with NASA JPL mascons (JPL-M), and with CSR Tellus gridded spherical harmonics rescaled (sf) (CSRT-GSH).
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Lake volume and groundwater storage variations in Tibetan Plateau's endorheic basin
Guoqing Zhang,Guoqing Zhang,Tandong Yao,Tandong Yao,C. K. Shum,Shuang Yi,Kun Yang,Kun Yang,Hongjie Xie,Wei Feng,Tobias Bolch,Tobias Bolch,Lei Wang,Lei Wang,Ali Behrangi,Hongbo Zhang,Weicai Wang,Weicai Wang,Yang Xiang,Jinyuan Yu,Jinyuan Yu +20 more
TL;DR: In this article, the authors examined annual changes in lake area, level, and volume during 1970s-2015 and found that increased net precipitation contributes the majority of water supply for the lake volume increase, followed by glacier mass loss and ground ice melt due to permafrost degradation.
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