Preprints
https://doi.org/10.5194/hess-2022-75
https://doi.org/10.5194/hess-2022-75
22 Apr 2022
 | 22 Apr 2022
Status: this preprint was under review for the journal HESS but the revision was not accepted.

Evaporation loss estimation of the river-lake continuum of arid inland river: Evidence from stable isotopes

Guofeng Zhu, Zhigang Sun, Yuanxiao Xu, Yuwei Liu, Zhuanxia Zhang, Liyuan Sang, and Lei Wang

Abstract. Stable isotopes could be used as tracers to estimate the evaporation loss of surface water, which provides a new perspective for the research of hydrological processes. A systematic observation station has been built in the Shiyang River Basin, one of the most important inland river basins in Northwest China. This work conducted systematic observations on the river water, precipitation and hydrometeorology of the Shiyang River from 2017 to 2019. The evaporation loss of the Shiyang River is estimated to be 1.30 % in the mountainous rivers, 2.28 % in the mountainous reservoir (Xiying Reservoir), 2.87 % in the oasis rivers, 7.97 % in the oasis reservoir (Hongyashan Reservoir), and 41.37 % in the terminal lake (Qingtu Lake). No matter in mountain or oasis, the evaporation loss of reservoir is much higher than that of the river, and the evaporation loss of the terminal lake is the largest. The evaporation loss of the river-lake continuum accounts for 14.66 % of the total water volume of rivers and lakes (reservoirs). This work enriches the study of stable isotopes in the field of evaporation loss in the river-lake continuum, expands our understanding of the hydrological cycle in arid regions.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Guofeng Zhu, Zhigang Sun, Yuanxiao Xu, Yuwei Liu, Zhuanxia Zhang, Liyuan Sang, and Lei Wang

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on hess-2022-75', Anonymous Referee #1, 16 May 2022
    • AC1: 'Reply on RC1', Guofeng Zhu, 17 Jul 2022
  • RC2: 'Comment on hess-2022-75', Anonymous Referee #2, 25 May 2022
    • AC2: 'Reply on RC2', Guofeng Zhu, 17 Jul 2022

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on hess-2022-75', Anonymous Referee #1, 16 May 2022
    • AC1: 'Reply on RC1', Guofeng Zhu, 17 Jul 2022
  • RC2: 'Comment on hess-2022-75', Anonymous Referee #2, 25 May 2022
    • AC2: 'Reply on RC2', Guofeng Zhu, 17 Jul 2022
Guofeng Zhu, Zhigang Sun, Yuanxiao Xu, Yuwei Liu, Zhuanxia Zhang, Liyuan Sang, and Lei Wang
Guofeng Zhu, Zhigang Sun, Yuanxiao Xu, Yuwei Liu, Zhuanxia Zhang, Liyuan Sang, and Lei Wang

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Short summary
We analyzed the stable isotopic composition of surface water and estimated its evaporative loss in the Shiyang River Basin. The characteristics of stable isotopes in surface water show a gradual enrichment from mountainous areas to deserts, and the evaporation loss of surface water also shows a gradually increasing trend from upstream to downstream. The study of evaporative losses in the river-lake continuum contributes to the sustainable use of water resources.