气候变化研究进展 ›› 2008, Vol. 4 ›› Issue (003): 151-155.

• 气候变化与水专栏 • 上一篇    下一篇

和田河夏季流量对区域0℃层高度变化的响应

王永莉 玉苏甫·阿布都拉 马宏武 毛炜峄   

  1. 新疆和田地区气象局 新疆气候中心
  • 收稿日期:2007-09-06 修回日期:1900-01-01 出版日期:2008-05-31 发布日期:2008-05-31
  • 通讯作者: 王永莉 毛炜峄

Response of Summer Average Discharge in the Hotan River to Changes in Regional 0℃ Level Height

Wang Yongli, Mao Weiyi   

  1. Hotan Meteorological Bureau; Hotan Meteorological Bureau Xinjiang Climate Center
  • Received:2007-09-06 Revised:1900-01-01 Online:2008-05-31 Published:2008-05-31
  • Contact: Wang Yongli, Mao Weiyi

摘要: 利用和田市气象站的0℃层高度,和田河上游乌鲁瓦提和同古孜洛克水文站的实测流量资料,以及NCEP/NCAR 500 hPa月平均温度资料,分析了和田河夏季流量的变化、同期流域内0℃层高度情况以及500 hPa温度的特征。结果显示:1961-2004年,和田河夏季流量、和田站0℃层高度均呈不显著的线性下降趋势,在1979年分别出现了由丰到枯、由高到低的突变。和田河夏季流量典型偏丰、偏枯年同期500 hPa温度距平场有显著差异。在年代际和年际尺度上,和田河夏季流量对流域内0℃层高度变化都有明显的响应。

关键词: 夏季流量, 0℃层高度, 500 hPa温度距平场, 和田河

Abstract: Based on the average discharge of the Hotan River and the 0℃ level height data measured in summer at 3 hydrological and meteorological stations in the Hotan River basin, and the reanalyzed 500 hPa temperature from NCEP/NCAR, the relations of the discharge of the Hotan River with the 0℃ level height and the 500 hPa temperature were analyzed. The results are as follows: the summer average discharge and 0℃ level height decreased slightly in the Hotan River basin during 1961-2004, both the time series changed abruptly from high to low value in 1979. There were distinctive differences in summer 500 hPa temperature anomalies in the Northern Hemisphere between the typical high and low flow years of the Hotan River. The average discharge responded notably on interannual and interdecadal scales to changes of regional 0℃ level height in the Hotan River basin.

Key words: summer average discharge, zero degree level height, 500 hPa temperature anomalies, the Hotan River

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