干旱区研究

干旱区研究 ›› 2011, Vol. 28 ›› Issue (5): 756-760.

• 水资源及其利用 • 上一篇    下一篇

中国天山西部匹里青河的洪水及其成因

王姣妍1, 谢蕾2   

    1. 伊犁水文水资源勘测局，新疆 伊宁 835000
    2. 新疆水利水电规划设计管理局，新疆 乌鲁木齐 830000
  • 收稿日期:2011-02-10 修回日期:2011-06-20 出版日期:2011-09-15 发布日期:2011-10-16
  • 作者简介:王姣妍（1968-），女，江苏宜兴人，高级工程师，主要从事水文水资源研究.E-mail:wjymiaoling@126.com
  • 基金资助:

    西北跨界河流水资源开发跨境生态影响评估及保护关键技术研究与应用（2008BAB42B09）

Analysis on the Change of Flood and Its Formation Causes in the Piliqing River Basin

 WANG  Jiao-Yan1, XIE  Lei2   

    1. Ili Bureau of Hydrology and Water Resources Survey, Yining 835000, China
    2. Xinjiang Water Resources Planning Administration, Urumqi 830000, China
  • Received:2011-02-10 Revised:2011-06-20 Online:2011-09-15 Published:2011-10-16

PDF (PC)

978

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被引次数

6

摘要： 匹里青河位于天山西部，地处西来水汽输送通道，流域山体高大、支沟发育、坡陡流急，山洪灾害频发，其主要洪水类型为混合型洪水和暴雨洪水。50多年实测洪水资料表明，随着系列的增加，该河年最大洪峰流量模比系数、变差系数、偏态系数均呈波动性增加趋势，说明其洪水发生频次及量级均有增大趋势。通过对该站同期气温、降水、泥沙分析，冬季流域内深厚的积雪为匹里青河洪水提供了丰富的物质储备。4～7月的强降雨天气与同期热力条件是引发匹里青河洪水灾害的主要动力因素。流域上游（山区）过度放牧造成的植被破坏是导致匹里青河山洪灾害加剧的主要原因。

关键词: 洪水, 降水, 气温, 防灾减灾, 匹里青河, 天山西部, 中国

Abstract: The Piliqing River is located in the transport routeway of water vapour from the west in the west Tianshan Mountains, where the mountain body is high, the river valley is deep, mountain slope is steep, and flood occurs frequently. According to the hydrological data measured at Piliqing Hydrological Station in recent more than 50 years, the model comparison coefficient, variation coefficient and skew coefficient were all in an increase trend with the time, which reveals that the flood frequency and discharge were in an increase trend. After analyzing the data of air temperature, precipitation and silt content at Piliqing Hydrological Station, it was found that flood occurrence in the drainage basin during the period from April to July was closely related to the violent melt of thick snow cover and heavy rainfall. The frequent occurrence of flood was mainly caused by heavy snowfall in winter, continuous increase of temperature in spring and vegetation destruction caused by excessive pasturing in the mountainous region in the upper reaches.

Key words: flood, precipitation, air temperature, disaster prevention and reduction, the Piliqing River, west Tianshan Mountains, China

中图分类号: 

  • P332.2