干旱区研究

干旱区研究 >

2014 , Vol. 31 >Issue 5: 948 - 954

DOI: https://doi.org/10.13866/j.azr.2014.05.25

水文水化学

柴达木盆地河流同位素分布特征及径流变化

  • 孔娜 ,
  • 渠涛 ,
  • 谭红兵 ,
  • 张文杰 ,
  • 张燕飞
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  • 1.河海大学地球科学与工程学院,江苏 南京 210098;
    2.江苏商贸职业学院建筑工程与管理学院,江苏 南通 226000;
    3.山东省第一地质矿产勘查院,山东 济南 250000
孔娜(1988-),女,硕士研究生,主要从事水文地球化学研究. E-mail:kongnakn@163.com

收稿日期: 2013-03-17

  修回日期: 2013-05-17

  网络出版日期: 2014-09-25

基金资助

国家自然科学基金项目(41173049,41271041)资助

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Distribution of Isotopes and Runoff Variation of the Rivers in the Qaidam Basin

  • KONG Na ,
  • QU Tao ,
  • TAN Hong-bing ,
  • ZHANG Wen-jie ,
  • ZHANG Yan-fei
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  • 1. College of Earth Sciences and Engineering, Hohai University, Nanjing 210098, China;
    2. School of Construction Engineering and Management, Jiangsu Vocational College of Business, Nantong 226000, Jiangsu Province, China;
    3. Shandong Province First Institute of Geologic and Mining Survey, Jinan 250000, China

Received date: 2013-03-17

  Revised date: 2013-05-17

  Online published: 2014-09-25

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摘要

柴达木盆地矿产资源十分丰富,被誉为“聚宝盆”,其中源于东昆仑山北坡的河流不但是盐湖水资源的重要补给源,也是工农业发展不可替代的水资源。通过对东昆仑山北坡汇入柴达木盆地各大河流的取样,分析其同位素特征和20多年来的径流量变化。结果表明:柴达木盆地自20世纪80年代以来流域降水增加、源区雪冰融水增加、空气湿度增大,同时灌溉、水库蓄水等人为作用对河流径流造成了一定影响。引起这些变化的主要原因是受全球变暖的总体影响,伴随着降水、雪冰融水的增加,河流径流量增大的同时引起湖泊水位上升。仅从河流径流变化趋势分析,未来补给柴达木盆地的水量会增加,这对于保障柴达木循环经济试验区水资源的供给是有利的。

关键词： 河流; 同位素; 径流变化; 柴达木盆地

本文引用格式

孔娜 , 渠涛 , 谭红兵 , 张文杰 , 张燕飞 . 柴达木盆地河流同位素分布特征及径流变化[J]. 干旱区研究, 2014 , 31(5) : 948 -954 . DOI: 10.13866/j.azr.2014.05.25

Abstract

The Qaidam Basin is well known by its rich mineral and water resources, many rivers originate from the northern slope of the east Kunlun Mountains, and these rivers are the important water supply sources of the Saline Lake and irreplaceable water resources for the local industrial and agricultural development. For the worry about water security, the isotopic characteristics of river water from the northern slope of the east Kunlun Mountains were concluded and compared with those in the 1980s, and the change of streamflow in the Qaidam Basin in recent more than 20 years was analyzed. Precipitation, glacier-snow melt water and air humidity were increased, and a local climate change was resulted in under human activities, such as the construction of reservoirs and irrigation systems. Global warming was the main factor causing these changes and increasing runoff volume of the rivers and water level of the lakes. Analyzed from the change of runoff volume of the rivers only, the water recharge in the Qaidam Basin will be increased in the future, which is very beneficial for exploiting mineral resources in the Qaidam Basin. However, the impact of construction and maintenance of reservoirs and the exploitation of salt lake resources should be considered and paid enough attention to.

Key words： river; isotope; change of runoff volume; Qaidam Basin

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