Spatial-temporal changes to GRACE-derived terrestrial water storage in response to climate change in arid Northwest China

Qiming Zhou; Junyi Huang; Zengyun Hu; Gang Yin

doi:10.1080/02626667.2022.2030060

Spatial-temporal changes to GRACE-derived terrestrial water storage in response to climate change in arid Northwest China

Qiming Zhou, Junyi Huang, Zengyun Hu, Gang Yin

Department of Geography

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Terrestrial water storage (TWS) is an essential element of the water cycle and a key state variable for land surface–atmosphere interaction. This study investigates the changes of TWS in Xinjiang of China in response to climate change, using Gravity Recovery and Climate Experiment (GRACE)-derived data and ground hydrological/meteorological observations in 2003–2015. The results show that the TWS has an overall significant decreasing trend of −2.8 mm per year. TWS is in a state of surplus in the first half year (from February to July), while it is in a state of deficit in the second half year (from August to next January). The change rates in TWS exhibit strong regional disparities, with profound decreasing trends in Tianshan Mountains and increasing in Kunlun Mountains. Further analyses suggest that the spatial-temporal change of TWS was closely related to the variations in seasonal snow melt and glacier retreat due to temperature and precipitation changes.

Original language	English
Pages (from-to)	535-549
Number of pages	15
Journal	Hydrological Sciences Journal
Volume	67
Issue number	4
DOIs	https://doi.org/10.1080/02626667.2022.2030060
Publication status	Published - 12 Mar 2022

Scopus Subject Areas

Water Science and Technology

User-Defined Keywords

arid zone
climate change
Gravity Recovery and Climate Experiment (GRACE)
terrestrial water storage (TWS)
Xinjiang

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1080/02626667.2022.2030060

Cite this

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title = "Spatial-temporal changes to GRACE-derived terrestrial water storage in response to climate change in arid Northwest China",

abstract = "Terrestrial water storage (TWS) is an essential element of the water cycle and a key state variable for land surface–atmosphere interaction. This study investigates the changes of TWS in Xinjiang of China in response to climate change, using Gravity Recovery and Climate Experiment (GRACE)-derived data and ground hydrological/meteorological observations in 2003–2015. The results show that the TWS has an overall significant decreasing trend of −2.8 mm per year. TWS is in a state of surplus in the first half year (from February to July), while it is in a state of deficit in the second half year (from August to next January). The change rates in TWS exhibit strong regional disparities, with profound decreasing trends in Tianshan Mountains and increasing in Kunlun Mountains. Further analyses suggest that the spatial-temporal change of TWS was closely related to the variations in seasonal snow melt and glacier retreat due to temperature and precipitation changes.",

keywords = "arid zone, climate change, Gravity Recovery and Climate Experiment (GRACE), terrestrial water storage (TWS), Xinjiang",

author = "Qiming Zhou and Junyi Huang and Zengyun Hu and Gang Yin",

note = "Funding Information: This work is jointly supported by the Strategic Priority Research Program of the Chinese Academy of Sciences, Pan-Third Pole Environment Study for a Green Silk Road [Pan-TPEXDA20060303], the Western Scholars of the Chinese Academy of Sciences [2020-XBQNXZ-010], the Third Xinjiang Scientific Expedition Program [Grant No. 2021xjkk1300], the National Natural Science Foundation of China [Grant No. 41971386, E1190301] and the General Research Fund [HKBU 12301820]. Publisher Copyright: {\textcopyright} 2022 IAHS.",

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doi = "10.1080/02626667.2022.2030060",

language = "English",

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AU - Zhou, Qiming

AU - Huang, Junyi

AU - Hu, Zengyun

AU - Yin, Gang

N1 - Funding Information: This work is jointly supported by the Strategic Priority Research Program of the Chinese Academy of Sciences, Pan-Third Pole Environment Study for a Green Silk Road [Pan-TPEXDA20060303], the Western Scholars of the Chinese Academy of Sciences [2020-XBQNXZ-010], the Third Xinjiang Scientific Expedition Program [Grant No. 2021xjkk1300], the National Natural Science Foundation of China [Grant No. 41971386, E1190301] and the General Research Fund [HKBU 12301820]. Publisher Copyright: © 2022 IAHS.

PY - 2022/3/12

Y1 - 2022/3/12

N2 - Terrestrial water storage (TWS) is an essential element of the water cycle and a key state variable for land surface–atmosphere interaction. This study investigates the changes of TWS in Xinjiang of China in response to climate change, using Gravity Recovery and Climate Experiment (GRACE)-derived data and ground hydrological/meteorological observations in 2003–2015. The results show that the TWS has an overall significant decreasing trend of −2.8 mm per year. TWS is in a state of surplus in the first half year (from February to July), while it is in a state of deficit in the second half year (from August to next January). The change rates in TWS exhibit strong regional disparities, with profound decreasing trends in Tianshan Mountains and increasing in Kunlun Mountains. Further analyses suggest that the spatial-temporal change of TWS was closely related to the variations in seasonal snow melt and glacier retreat due to temperature and precipitation changes.

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Spatial-temporal changes to GRACE-derived terrestrial water storage in response to climate change in arid Northwest China

Abstract

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UN SDGs

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