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中文摘要: 近十年来，珠江三角洲都市群热岛效应全面形成，年平均热岛强度由1983年前的0.1℃上升到1993年的0.5℃。珠江三角洲都市群热岛强度呈明显的季节变化和日变化，11月份热岛强度最强，4月份最弱，就年平均而言，夜间的热岛强度大于白天。珠江三角洲都市群热岛强度空间分布呈中间强周围弱的分布格局，与各地的经济活动密切相关，热岛强度强的地方均为广东经济活动最活跃的地区。
中文关键词: 都市群，热岛效应，经济活动
Abstract:Obvious urban heat island effect has been developed at the Pearl River Delta urban group for the last ten years. The annual urban heat island intensity rose from 0.1℃(1983) to 0.5℃(1993). The urban heat island intensity of the Pearl River Delta urban group has obvious monthly difference and daily difference,it is the strongest in November,but the weakest in April. The urban heat island intensity during the nighttime is stronger than that during the daytime for annual-average. For spatial distribution,the intensity in the center part is stronger than that in the ambient part,which closely correlated with economical activity.
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基金项目:广东省“全球气候变化对广东省经济发展的影响与对策研究”(2004B32601001)资助
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引用文本：
曾侠,钱光明,潘蔚娟,2004.珠江三角洲都市群城市热岛效应初步研究[J].气象,30(10):12-15.
,2004.Study on Urban Heat Island Effect in Pearl River Delta Urban Group[J].Meteor Mon,30(10):12-15.
曾侠,钱光明,潘蔚娟,2004.珠江三角洲都市群城市热岛效应初步研究[J].气象,30(10):12-15.
,2004.Study on Urban Heat Island Effect in Pearl River Delta Urban Group[J].Meteor Mon,30(10):12-15.