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      氣候變化研究進(jìn)展 ?? 2008, Vol. 4 ?? Issue (003): 177-181.

      ? 研究短論 ? 上一篇    下一篇

      1956-2006年中國高溫日數的變化趨勢

      高榮 王凌 高歌   

      1. 國家氣候中心 國家氣候中心氣候影響評估室
      • 收稿日期:2007-06-18 修回日期:2008-01-17 出版日期:2008-05-31 發(fā)布日期:2008-05-31
      • 通訊作者: 高榮

      The Trend of Variation in High Temperature Days During 1956-2006 in China

      Gao Rong  Wang Ling   

      1. China Meteorological Administration, National Climate Center National Climate Center
      • Received:2007-06-18 Revised:2008-01-17 Online:2008-05-31 Published:2008-05-31
      • Contact: Gao Rong

      摘要: 利用全國541個(gè)站的均一化日最高氣溫資料,分析了高溫日數的時(shí)空變化特征及其對全球變暖的響應。結果表明:1956-2006年我國高溫日數有兩個(gè)高值中心,分別出現在吐魯番盆地和江南地區。高溫日數呈現"增加-減少-增加"的趨勢;新疆的高溫日數有準3 a的周期變化,中國東部4個(gè)地區的高溫日數都存在3~6 a的周期變化。中東部地區高溫日數由減少轉變?yōu)樵黾于厔莸臅r(shí)間并不一致,隨著(zhù)緯度的增加而逐漸延遲。

      關(guān)鍵詞: 高溫日數, 全球變暖, 區域響應

      Abstract: By using 541-station uniform maximum temperature in China, the temporal and spatial distributions of yearly high temperature days with daily maximum temperature ≥35℃ and their responses to global warming were analyzed. The results show that the average high temperature days have two high centers in Turpan Basin and Jiangnan region. The high temperature days have an evolutional trend of increasing-decreasing-increasing and show the significant 3-year period in Xinjiang and the 3- to 6-year period in the 4 regions of eastern China. The time of trend changing from decreasing to increasing is not synchronous for the whole country, and it gets later with the increasing latitude.

      Key words: high temperature days, global warming, regional response

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