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Effect of Land-Use Change and Artificial Recharge on the Groundwater in an Arid Inland River Basin

机译：干旱内陆河流域土地利用变化和人工补给对地下水的影响

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摘要

The spatial-temporal variability of groundwater in an inland basin is very sensitive to human activity. This study focused on groundwater changes in the Alagan area within the Tarim Basin, China, with the aim of analyzing the effects of land-use change and artificial recharge on the response characteristics of groundwater. The distributed hydrological model MIKE SHE was introduced for modeling the influence of land use and artificial recharge on groundwater. Based on the runoff variation of this area, we selected three periods to simulate and analyze the response of groundwater. The results of land-use change indicated that there were significant changes from 1980 to 2000. The changed region accounted for 11.93 % of the total area, and the low coverage grasslands showed the greatest reduction. The simulation of hydrological processes before artificial recharge showed that the groundwater depths differed greatly with land-use types. Response analysis of groundwater to artificial recharge showed that the regions in which groundwater decreased were mainly distributed in grassland and bare land. Moreover, spatial autocorrelation coefficients indicated positive spatial autocorrelation of groundwater depths, but these began to reverse in 2010. Overall, land use and artificial recharge have a great influence on the time and spatial distribution of groundwater. Artificial recharge has played a positive role in improving groundwater conditions, but did not change the decreasing trend in time and space. The adaptation of environment to the decrease of groundwater presents as degradation. Groundwater conditions could be improved to some extent by the artificial recharge, but its change seems to be an irreversible process. Overall, this response study provides insight into estimations for exploration of water resources in arid areas.
机译：内陆盆地地下水的时空变化对人类活动非常敏感。本研究的重点是塔里木盆地阿拉干地区的地下水变化，旨在分析土地利用变化和人工补给对地下水响应特征的影响。为了模拟土地利用和人工补给对地下水的影响，引入了分布式水文模型MIKE SHE。根据该地区的径流变化，我们选择了三个时段来模拟和分析地下水的响应。土地利用变化的结果表明，从1980年到2000年，土地利用发生了显着变化。变化的区域占总面积的11.93％，低覆盖率草原表现出最大的减少。人工补给前的水文过程模拟表明，地下水深度随土地利用类型而有很大差异。地下水对人工补给的响应分析表明，地下水减少的地区主要分布在草地和裸地上。此外，空间自相关系数表明地下水深度呈正空间自相关，但在2010年开始逆转。总体而言，土地利用和人工补给对地下水的时间和空间分布有很大影响。人工补给在改善地下水条件方面发挥了积极作用，但并未改变时空减少趋势。环境对地下水减少的适应性表现为退化。人工补给可以在一定程度上改善地下水条件，但改变似乎是不可逆的过程。总体而言，该响应研究为干旱地区水资源开发的估算提供了见识。

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  • 来源
    《Water Resources Management》 |2013年第10期|3775-3790|共16页
  • 作者

    Hai-Long Liu; An-Ming Bao; Xiang-Liang Pan; Xi Chen;

  • 作者单位

    Water Resources and Architectural Engineering College of Shihezi University, Shihczi 832003, People's Republic of China,Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China;

    Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China,Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China;

    Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China;

    Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China,Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Groundwater recharge; Land use; Hydrological model; Inland river basins;

    机译：地下水补给;土地利用;水文模型;内陆河流域;

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