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首页> 外文会议>2011 International Symposium on Water Resource and Environmental Protection >Study on runoff process of the glacier and permafrost in the headwaters of Urumqi River
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Study on runoff process of the glacier and permafrost in the headwaters of Urumqi River

机译：乌鲁木齐河源头冰川和多年冻土径流过程研究

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Based on the fact that the climatic change impacts on the hydrological process in the alpine region in the headwaters of Urumqi River, the analysis that the runoff change of glaciers, snow and permafrost in the headwaters make a response to the change of temperature and precipitation is significant to understand the impact of the climatic change on the runoff change in cold and arid regions and the rational use of water resource. The date of spring runoff occurrence on May all postponed in both Glacier No.1 and dry cirque hydrological section, and runoff halt time is also a not significant on September, which indirectly present a delayed ablation season; on the other hand, the spring runoff since 2000 is more than that in 1980s, and the variation amplitude of runoff since 2000 is less than that in 1980s during the high ablation season, both summer runoff and runoff variation amplitude in dry cirque hydrological section all increase clearly, which mainly implied that precipitation high increase resulted in hillside runoff increase in alp permafrost.
机译：基于气候变化对乌鲁木齐河源头高寒地区水文过程的影响，对源头冰川，雪和多年冻土的径流变化做出响应温度和降水变化的分析是：了解气候变化对寒冷和干旱地区径流变化的影响以及水资源的合理利用具有重要意义。 5月春季径流发生的日期在1号冰川和干cirque水文断面均被推迟，9月径流停止时间也并不重要，这间接表明了消融季节的延迟。另一方面，在高消融季节，自2000年以来的春季径流量大于1980年代，而自2000年以来的径流量变化幅度小于1980年代，干圆环形水文断面的夏季径流和径流变化幅度均较大。降水量明显增加，这主要是由于降水量的大量增加导致阿尔卑斯山多年冻土的山坡径流增加。

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