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  Impacts of environmental changes on terrestrial water storage in the Yellow River basin, China

Xu, Y.-P., Xie, J., Guo, Y., Liu, L., Gu, H. (2023): Impacts of environmental changes on terrestrial water storage in the Yellow River basin, China, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3166

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020602 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020602_2
Genre: Conference Paper

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 Creators:
Xu, Yue-Ping1, Author
Xie, Jingkai1, Author
Guo, Yuxue1, Author
Liu, Li1, Author
Gu, Haiting1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Environmental changes including reservoir construction in the Yellow River induced instantaneous water redistribution over regions. In this study, it was attempted to detect the signal of changes in terrestrial water storage induced by soil conservation measures and reservoir operation etc. based on Gravity Recovery and Climate Experiment (GRACE) data. A modified index was proposed to assess the contributions of different environmental changes including human activities and climatic variability to changes in terrestrial water storage. The results showed that the impounding or releasing of water in/from the XLD reservoir and the LYX reservoir can be well detected by monthly GRACE data. Meanwhile there exists a substantial correlation between changes in TWS and reservoir water storage changes within both the catchment area above the LYX reservoir (rs = 0.88, p < 0.01) and the area above the XLD reservoir (rs = 0.86, p < 0.01). The modified index proposed in this study, which is an attribution index based on a variation analysis, showed that reservoir operation contributes greatly to changes in TWS especially for frequently reservoir-regulated regions.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-3166
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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