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      氣候變化研究進(jìn)展 ?? 2009, Vol. 05 ?? Issue (01): 35-38.

      ? 研究論文 ? 上一篇    下一篇

      2003-2006年南寧市熱島強度變化特征

      陳業(yè)國 農孟松   

      1. 廣西區氣象臺
      • 收稿日期:2007-10-17 修回日期:2008-03-16 出版日期:2009-01-22 發(fā)布日期:2009-01-22
      • 通訊作者: 陳業(yè)國

      Characteristics of Urban Heat-Island Intensity in Nanning City

        

      1. Guangxi Meteorological Observatory
      • Received:2007-10-17 Revised:2008-03-16 Online:2009-01-22 Published:2009-01-22

      摘要: 分析了2003-2006年南寧市區和郊區的10個(gè)自動(dòng)氣象觀(guān)測站氣象資料,結果表明,南寧市區的熱島強度(UHI)具有明顯的日、月和季節變化。一般來(lái)說(shuō),南寧市UHI夜間>UHI白天;UHI干季(9月至翌年1月)>UHI雨季(2-8月);UHI秋季>UHI夏季。用不同的溫度指標計算出的UHI略有不同:UHI最低氣溫為1.43℃、UHI平均氣溫為0.94℃、UHI最高氣溫為0.28℃。利用灰色關(guān)聯(lián)度分析法分析了影響南寧城市熱島效應的主要氣象因子,發(fā)現在風(fēng)速小、相對濕度小的時(shí)候熱島效應強。

      關(guān)鍵詞: 熱島效應, 熱島強度, 南寧市

      Abstract: An analysis was performed on the meteorological data from 10 auto-weather stations located in the urban and suburban areas of Nanning City from 2003 to 2006. It shows that urban heat-island intensity (UHI) in Nanning City had evident variations on daily, monthly and seasonal scales. On average, the UHI was larger for night-time, dry season (September-next January) and autumn than that for day-time, wet season (February-August) and summer, respectively. Using different temperatures as indexes for HUI resulted in slight difference: HUIs for the minimum, maximum and mean temperature over 2003-2006 were 1.43℃, 0.94℃, and 0.28℃, respectively. According to the gray analysis of the meteorological factors for HUI effect, small wind speed and small relative humidity may result in a strong UHI in Nanning City.

      Key words: heat-island effect, heat-island intensity, Nanning City

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