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Groundwater Dynamic Characteristics with the Ecological Threshold in the Northwest China Oasis

Author

Listed:
  • Dongbo Li

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

  • Xiaolong Li

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

  • Xinlin He

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

  • Guang Yang

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

  • Yongjun Du

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

  • Xiaoqian Li

    (College of Water and Architectural Engineering, Shihezi University, Shihezi 832000, China
    Xinjiang Production and Construction Group Key Laboratory of Modern Water-Saving Irrigation, Xinjiang 832000, China)

Abstract

Suitable groundwater level is an important foundation for the stability of the ecological environment, and the healthy development of the social economy, in the arid area of Northwest China. The Manas River Basin is a typical oasis in an arid area, where the problems of salinization and desertification are prominent. By analyzing the variation characteristics of groundwater in the study area from 2013 to 2019 combined with remote sensing technology—according to the theory of capillary water rise and phreatic evaporation—a mathematical calculation model of the ecological threshold is established to determine the ecological groundwater level. The results show that (1) the groundwater level in the study area fluctuates by 0.2–18 m throughout the year, and the variation of groundwater drawdown is 5–35 m from 2013 to 2019; (2) the upper threshold of the ecological groundwater level is 0.82–4.05 m and the lower threshold is 3.35–10.23 m; (3) the ecological water shortage area in the study area is 9755.36 km 2 , and the groundwater ecological deficit is 105.741 × 10 8 m 3 . This study can provide a theoretical basis for the determination of the ecological groundwater level, the optimal allocation of water resources, and ecological environment management in the arid area of Northwest China.

Suggested Citation

  • Dongbo Li & Xiaolong Li & Xinlin He & Guang Yang & Yongjun Du & Xiaoqian Li, 2022. "Groundwater Dynamic Characteristics with the Ecological Threshold in the Northwest China Oasis," Sustainability, MDPI, vol. 14(9), pages 1-21, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5390-:d:805900
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    References listed on IDEAS

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    1. Wang, Yong & Chen, Minjian & Yan, Long & Zhao, Yong & Deng, Wei, 2021. "A new method for quantifying threshold water tables in a phreatic aquifer feeding an irrigation district in northwestern China," Agricultural Water Management, Elsevier, vol. 244(C).
    2. Fawen Li & Jiale Qiao & Yong Zhao & Wei Zhang, 2014. "Risk Assessment of Groundwater and its Application. Part II: Using a Groundwater Risk Maps to Determine Control Levels of the Groundwater," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(13), pages 4875-4893, October.
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    Cited by:

    1. Wenjia Zhang & Xiaoya Deng & Yi Xiao & Ji Zhang & Cai Ren & Wen Lu & Aihua Long, 2023. "Study on the Suitable Ecological Groundwater Depth and the Suitable Well–Canal Combined Irrigation Ratio in the Weigan River Irrigation District," Sustainability, MDPI, vol. 15(20), pages 1-22, October.

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