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      氣候變化研究進(jìn)展 ?? 2007, Vol. 03 ?? Issue (02): 95-099.

      ? 研究短論 ? 上一篇    下一篇

      廣西月平均溫度異常的時(shí)空特征及其變化

      何慧 覃志年 李艷蘭 廖雪萍   

      1. 廣西壯族自治區(qū)氣候中心
      • 收稿日期:2006-09-21 修回日期:2006-12-02 出版日期:2007-03-30 發(fā)布日期:2007-03-30
      • 通訊作者: 何慧

      Spatial and Temporal Characteristics of Abnormal Monthly Mean Temperature and Their Changes in Guangxi Province

        

      • Received:2006-09-21 Revised:2006-12-02 Online:2007-03-30 Published:2007-03-30

      摘要: 利用廣西88個(gè)氣象測站1960-2005年各月平均溫度資料,計(jì)算月平均溫度異常偏高和偏低出現(xiàn)頻次,并分別對(duì)其時(shí)空特征和演變規(guī)律進(jìn)行分析。結(jié)果表明:溫度異常偏高的發(fā)生頻次具有較明顯的階段性,近10 a是廣西月平均溫度異常偏高的多發(fā)時(shí)期;溫度異常偏低出現(xiàn)頻次則呈明顯的線性下降趨勢,1989年以來是廣西月平均溫度異常偏低的少發(fā)期。了解廣西月平均溫度異常的這些規(guī)律,有利于提高短期氣候預(yù)測水平。

      關(guān)鍵詞: 月平均溫度, 溫度異常, 時(shí)空變化

      Abstract: By using the monthly mean temperatures at 88 meteorological stations of Guangxi Province during the period of 1960-2005, the frequencies of abnormal high and low monthly temperatures have been computed, and the spatial and temporal characteristics of the abnormal high and low temperatures and their changes analyzed. The results show that the frequency of abnormal high temperature has a prominent stage characteristic, and it occurs frequently in Guangxi in recent 10 years. The frequency of abnormal low temperature has a liner decreasing trend, and it has occurred less frequently in Guangxi since 1989. Studying the laws of abnormal monthly temperature is beneficial to improve the skill of short-term climate prediction.

      Key words: monthly mean temperature, abnormal monthly temperature, spatial and temporal variations

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