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河西内陆河流域水资源及其动态变化

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Water Resources of Inland Rivers in the Hexi Region and Their Dynamic Changes
The Qilian Mountains is the cradle of all inland rivers in the Hexi arid region. The mountain glaciers are an important water resources for this region. Changes of the mountain runoffs resulted from global climate warming will have important impacts on the development of human society and economy in the region. In this paper, the river runoffs from the Qilian Mountains and their dynamic changes are analyzed on the basis of the instrumental data of precipitation, air temperature, and discharge from the weather and hydrological stations in the study area. The results show that the annual change in the mountain runoffs is affected mainly by precipitation in the east of the region, but also by temeprature in the west of the region. There are some obvious regional differences in the influence of climatic change on surface runoffs in the Hexi region. River runoffs in the western part of the Hexi region have been increasing, whereas those in the eastern part have been decreasing. River runoffs in the central part such as the Heihe River, present a slow increasing trend, although it is not quite visible.

river runoffdynamic changethe northern slope of the Qilian Mountainsthe Hexi inland river basin

蓝永超、丁永建、马燮铫

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Cold and Arid Regions Environmental and Engineering Research Institute , Chinese Academy of Sciences, Lanzhou Gansu, 730000, China

Yokohama Institute for Earth Sciences, Agency for Marine-Earth Science and Technology, Yokohama 2360001，Japan

river runoff dynamic change the northern slope of the Qilian Mountains the Hexi inland river basin

Knowledge Innovation Projects of Chinese Academy of SciencesKnowledge Innovation Projects of Chinese Academy of Sciences

KZCX3-SW-229 KZCX1-10-03

2005

冰川冻土
中国地理学会 中国科学院寒区旱区环境与工程研究所

冰川冻土

CSCD北大核心
影响因子：2.546
ISSN：1000-0240
年,卷(期)：2005.27(6)
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