Variations in water storage in China over recent decades from GRACE observations and GLDAS
TLDR
Wang et al. as discussed by the authors applied Gravity Recovery and Climate Experiment (GRACE) Tellus products in combination with Global Land Data Assimilation System (GLDAS) simulations and data from reports, to analyze variations in terrestrial water storage (TWS) in China as a whole and eight of its basins from 2003 to 2013.Abstract:
. We applied Gravity Recovery and Climate Experiment (GRACE) Tellus products in combination with Global Land Data Assimilation System (GLDAS) simulations and data from reports, to analyze variations in terrestrial water storage (TWS) in China as a whole and eight of its basins from 2003 to 2013. Amplitudes of TWS were well restored after scaling, and showed good correlations with those estimated from models at the basin scale. TWS generally followed variations in annual precipitation; it decreased linearly in the Huai River basin (−0.56 cm yr−1) and increased with fluctuations in the Changjiang River basin (0.35 cm yr−1), Zhujiang basin (0.55 cm yr−1) and southeast rivers basin (0.70 cm yr−1). In the Hai River basin and Yellow River basin, groundwater exploitation may have altered TWS's response to climate, and TWS kept decreasing until 2012. Changes in soil moisture storage contributed over 50 % of variance in TWS in most basins. Precipitation and runoff showed a large impact on TWS, with more explained TWS in the south than in the north. North China and southwest rivers region exhibited long-term TWS depletions. TWS has increased significantly over recent decades in the middle and lower reaches of Changjiang River, southeastern coastal areas, as well as the Hoh Xil, and the headstream region of the Yellow River in the Tibetan Plateau. The findings in this study could be helpful to climate change impact research and disaster mitigation planning.read more
Citations
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Evaluation of groundwater depletion in North China using the Gravity Recovery and Climate Experiment (GRACE) data and ground-based measurements (EI)
TL;DR: 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.
Journal ArticleDOI
Groundwater Storage Changes in China from Satellite Gravity: An Overview
TL;DR: An overview of GWS changes in three main aquifers within China using GRACE data is presented, and a comprehensive accuracy assessment using in situ ground well observations and hydrological models is conducted.
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Reconstruction of GRACE Data on Changes in Total Water Storage Over the Global Land Surface and 60 Basins
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Vegetation dynamics and climate seasonality jointly control the interannual catchment water balance in the Loess Plateau under the Budyko framework
Tingting Ning,Zhi Li,Wenzhao Liu +2 more
TL;DR: In this article, the authors discussed the relationship between the Budyko framework and climate seasonality and developed an empirical equation to determine the contribution of seasonality to evapotranspiration.
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Effects of vegetation restoration on groundwater drought in the Loess Plateau, China
Zhiming Han,Shengzhi Huang,Qiang Huang,Qingjun Bai,Guoyong Leng,Hao Wang,Jing Zhao,Xiaoting Wei,Xudong Zheng +8 more
TL;DR: In this paper, the effect of revegetation on groundwater drought in the Loess Plateau (LP) has been investigated, and the evolution characteristics of groundwater drought have been analyzed.
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