地球科学进展 ›› 2010, Vol. 25 ›› Issue (3): 255 -263. doi: 10.11867/j.issn.1001-8166.2010.03.0255

综述与评述 上一篇    下一篇

高山寒漠带水文、生态和气候意义及其研究进展
陈仁升 1,2,韩春坛 1,2   
  1. 1.中国科学院寒区旱区环境与工程研究所黑河上游生态—水文试验研究站,甘肃  兰州  730000;2.中国科学院内陆河流域生态水文重点实验室,甘肃  兰州  730000 
  • 收稿日期:2009-04-01 修回日期:2009-12-23 出版日期:2010-03-10
  • 通讯作者: 陈仁升 E-mail:crs2008@lzb.ac.cn
  • 基金资助:

    国家自然科学基金项目“黑河源区高山寒漠带水文过程观测试验研究”(编号: 40771045);中国科学院知识创新工程重要方向性项目“西部冰川变化及其影响监测与评估方法研究”(编号: KZCX2-YW-301-3);国家重点基础研究发展计划项目“我国冰冻圈动态过程及其对气候、水文和生态的影响机理与适应对策”(编号: 2007CB411506)共同资助.
    

Hydrology, ecology and climate significance and its research progress of the Alpine cold desert

Chen Rensheng 1,2,Han Chuntan 1,2   

  1. 1.The Upper Heihe River Ecology-Hydrology Experimental Study Station of the Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou730000, China;2.Key Laboratory of Inland Ecohydrology, CAS, Lanzhou730000, China
  • Received:2009-04-01 Revised:2009-12-23 Online:2010-03-10 Published:2010-03-10
  • Supported by:

    陈仁升(1974), 男, 山东沂水人, 博士, 研究员, 主要从事寒区水文过程研究.E-mail:crs2008@lzb.ac.cn 

 高山寒漠带在青藏高原和天山地区的面积比率约为20%~30%,在高海拔山区面积分布广阔,是山区流域降水的高值区,下渗迅速,产流系数高,是山区流域的主要产流区。由于其海拔高、气温低、地形陡峭、植被稀疏,是重要的水文功能区和极端寒区生态脆弱区,附生在其中的稀疏植被和低温微生物是高山生命带的重要组成部分,对气候变化也有指示意义,但国内相关研究很少。人类活动对高山寒漠生境植被的影响比低海拔区要小,因而为我们提供了一个可以进行气候变化效应比较监测的机会。提出高山寒漠带在我国冰冻圈水文、生态和气候等方面的重要性,并对相关进展进行初步总结,建议将高山寒漠带作为一个特殊的生态、气候和水文功能区,专门进行研究。

Alpine cold desert broadly distributed in the high-altitude of mountain area, account for about 20%-30% of area in Tibet Plateau and Tian Mountain regions. It is an important hydrological functional area, owing to precipitation highly, infiltration rapidly and the high runoff coefficient. It is also the ecological fragile region, due to the high altitude, low air temperature, steep terrain and the sparse vegetation. Moreover, the sparse vegetation and the cold-adapted microorganism in the alpine cold desert is the important signal to climatic change. However, the relevant research on alpine cold desert is rare. Furthermore, human activity impact on alpine cold desert little than lower altitude area, therefore, it is suitable for us to monitor the climatic change effect in the high mountain region. In this paper, the authors summarize the importance of alpine cold desert for cryospheric hydrology, ecology and climate in China and its relevant research progress, and suggest that the alpine cold desert should be a special research area in cryospheric sciences.

中图分类号: 

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