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      氣候變化研究進(jìn)展 ?? 2007, Vol. 03 ?? Issue (03): 149-153.

      ? 極端事件專欄 ? 上一篇    下一篇

      2006年夏季川渝高溫干旱分析

      鄒旭愷 高輝   

      1. 國(guó)家氣候中心
      • 收稿日期:2006-11-30 修回日期:2006-12-18 出版日期:2007-05-30 發(fā)布日期:2007-05-30
      • 通訊作者: 鄒旭愷

      Analysis of Severe Drought and Heat Wave over the Sichuan Basin in the Summer of 2006

        

      • Received:2006-11-30 Revised:2006-12-18 Online:2007-05-30 Published:2007-05-30

      摘要: 2006年夏季,我國(guó)重慶、四川等地持續(xù)高溫少雨,遭遇特大伏旱,影響嚴(yán)重。初步分析表明,2006年盛夏川渝的異常高溫事件可能是受全球變暖和天氣擾動(dòng)共同作用的結(jié)果,但以天氣擾動(dòng)的影響為主。大氣環(huán)流異常,北方南下冷空氣活動(dòng)偏弱,西北太平洋副高脊線偏北以及冬季青藏高原積雪偏少是導(dǎo)致該地區(qū)2006年嚴(yán)重高溫干旱的直接原因。

      關(guān)鍵詞: 高溫, 干旱, 全球變暖, 天氣擾動(dòng), 重慶

      Abstract: In the summer of 2006, severe heat wave and drought hit Chongqing municipality and Sichuan Province, causing dramatic economic losses and environmental damages. The comprehensive effect of the weather-related disturbances and global warming may be the reasons for the occurrence of the warm extremes in Chongqing and Sichuan in the summer of 2006, but the random weather-related disturbances contribute most to the local warm extremes in last summer. It is indicated that less cold air activities, northward locations of subtropical high ridgeline, and less snow cover over the Tibetan Plateau in the winter and spring of 2005/2006 are the main three direct causes for the extremely hot and dry weather over the above-mentioned areas in the summer of 2006.

      Key words: heat wave, drought, global warming, weather disturbance, Sichuan Province, Chongqing Municipality

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