| 祁连山西段党河山区流域气候变化及其对出山径流的影响与预估 |
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| 引用本文： | 蓝永超,沈永平,高前兆,胡兴林,丁宏伟,喇承芳,宋洁.祁连山西段党河山区流域气候变化及其对出山径流的影响与预估[J].冰川冻土,2011,33(6):1259-1267. |
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| 作者姓名： | 蓝永超 沈永平 高前兆 胡兴林 丁宏伟 喇承芳 宋洁 |
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| 作者单位： | 中国科学院内陆河生态水文重点实验室,甘肃兰州730000／中国科学院寒区旱区环境与工程研究所,甘肃兰州730000;中国科学院内陆河生态水文重点实验室,甘肃兰州730000／中国科学院寒区旱区环境与工程研究所,甘肃兰州730000 |
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| 基金项目： | 中国科学院寒区旱区环境与工程研究所内陆河流域生态水文院重点实验室开放基金;中国科学院知识创新重要方向项目(KZCX1-YW-328)资助 |
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| 摘 要： | 依据祁连山西段党河山区气象台站的气温、降水和出山口水文站的径流等观测数据,分析1960-2010年51a来党河出山径流量的变化特征、趋势及其对气候变化的响应.结果表明：近51a来,党河山区气候转暖湿明显,气温上升,降水量增加、冰川消融增加.受山区气候变化影响,出山径流量总体亦呈增长趋势.从径流的补给来源与季节水量变化上...
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| 关 键 词： | 气候变化 祁连山区 出山径流 全球变暖 党河流域 |
Changes of Climate and Runoff in Mountain Area of Danghe River Basin under Global Warming |
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| Affiliation: | LAN Yong-chao1,2 SHEN Yong-ping2 GAO Qian-zhao1,2 HU Xing-lin1,3, DING Hong-wei1 LA Cheng-fang4 SONG Jie4 (1.Key Laboratory of Ecohydrology in Inland River Basin,Chinese Academy of Sciences,Lanzhou Gansu 730000,China; 2.Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou Gansu 730000,China;3.Hydrology and Water Resources Bureau of Gansu Province,Lanzhou Gansu 730000, China;4.Hydrology and Water Resources Bureau of the Upper Yellow River Headwater of the Yellow River Conservancy Committee,Lanzhou Gansu 730030,China) |
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| Abstract: | In this paper,the characteristics,variation and respond to climate change of the runoff in the mountain area of the Danghe River basin in the past more than 50 years are analyzed based on the observation of runoff,precipitation and air temperature at correlative hydrometric station and weather station in the study area.The results show that climate has changed a lot,that is,air temperature has risen and precipitation has increased,the climate has become more wet and warm in the mountain area of the Danghe River basin.Because of the effect of mountain climate change,the mountain runoff of the Danghe River has also increased as a whole in the past more than 50 years.Different from some other rivers in the east and middle parts of the Hexi Corridor,such as Heihe River,shiyanghe River and so on,which are supplied by more rainfall,the mountain runoff of the Danghe River is mainly controlled by air temperature,because there are more glaciers meltwater supply,and then controlled by precipitation in the mountain area.It is expected that the mountain runoff may continue to increase,because the possibility of temperature rise and precipitation increase will be large in the future 50 a. |
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| Keywords: | climate change Qilian Mountains runoff from mountain area global warming Danghe River basin |
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