| 卫星遥感成都平原城市热岛效应的动态特征 |
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| 引用本文： | 但尚铭,但玻,杨秀蓉,黄明碧. 卫星遥感成都平原城市热岛效应的动态特征[J]. 环境科学与技术, 2009, 32(7) |
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| 作者姓名： | 但尚铭 但玻 杨秀蓉 黄明碧 |
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| 作者单位： | 四川省农业气象中心,四川,成都,610072;四川省环境科学研究院,四川,成都,610041;四川省气象台,四川,成都,610072;四川省农业气象中心,四川,成都,610072 |
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| 基金项目： | 四川省应用基础研究计划项目，四川省气象局应用开发科技项目 |
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| 摘 要： | 使用不同季节的12次NOAA/AVHRR数据,将热岛强度△Tm进行平均,全年成都市和中小城市△Tm的平均值分别为5.75和3.35℃;夏季的平均值最大,分别为7.50℃和4.84℃;春、秋季次之;冬季最小,分别为3.33和1.62℃。白天和夜间△Tm的平均值比较,成都市分别为7.39和3.46℃,白天是夜间的2.14倍;中小城市分别为4.44和1.83℃,白天是夜间的2.43倍。
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| 关 键 词： | NOAA/AVHRR 成都平原 城市热岛效应 动态特征 |
Dynamic Characteristics of Urban Heat-island in Chengdu Plain by Satellite Remote Sensing |
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| DAN Shang-ming,DAN Bo,YANG Xiu-rong,HUANG Ming-bi. Dynamic Characteristics of Urban Heat-island in Chengdu Plain by Satellite Remote Sensing[J]. Environmental Science and Technology, 2009, 32(7) |
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| Authors: | DAN Shang-ming DAN Bo YANG Xiu-rong HUANG Ming-bi |
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| Affiliation: | 1.Sichuan Agrimeteorological Centre;Chengdu 610072;China;2.Sichuan Environment Science Academy;Chengdu 610041;3.Sichuan Meteorological Observatory;China |
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| Abstract: | NOAA/AVHRR data in 12 different seasons were used to analyze the urban heat-island intensity.Results indicated that average heat-island intensity in Chengdu as well as in small and medium sized cities throughout the year was 5.75℃ and 3.35℃ respectively,with maximum appeared in summer,7.50℃ and 4.84℃ respectively;followed by spring and fall,then minimum in winter,3.33℃ and 1.62℃ respectively.Heat-island intensity in Chengdu was 7.39℃ and 3.46℃ respectively at daytime and at night,with 2.14 times in daytime than that at night.While in small and medium sized cities,heat-island intensity was 4.44℃ and 1.83℃ respectively at daytime and at night,2.43 times in daytime than that at night. |
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| Keywords: | NOAA/AVHRR |
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