| 基于Landsat TM/ETM的银川市热岛效应时空变化研究 |
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| 引用本文： | 孙鹏,韩沐汶,白林波,赵文婷,王旭升.基于Landsat TM/ETM的银川市热岛效应时空变化研究[J].水土保持研究,2014,21(1):290-293. |
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| 作者姓名： | 孙鹏 韩沐汶 白林波 赵文婷 王旭升 |
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| 作者单位： | 宁夏大学 资源环境学院, 银川 750021 |
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| 摘 要： | 应用1999年、2006年和2011年3期Landast TM/ETM 数据的热红外波段数据反演银川市地表亮温，并对绝对亮温值进行归一化处理得到相对亮温。结果表明，1999—2011年，银川市热岛范围逐步扩大，强度逐渐增加，其中金凤区热岛效应不断加剧，西夏区和兴庆区的热岛效应从无到有，从弱到强变化十分明显。从空间分布来看，热岛效应主要发生在西夏区的工业区，金凤区的经济开发区和兴庆区的商业区。热岛现象产生的原因主要是工业发展变化、道路建设和建成区面积增加等。
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| 关 键 词： | 热岛效应 Landast TM/ETM 银川市 相对亮温 |
Study on Spatiotemporal Variation of Heat Island Effect Based on Landsat TM/ETM in Yinchuan City |
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| SUN Peng,HAN Mu-wen,BAI Lin-bo,ZHAO Wen-ting,WANG Xu-sheng.Study on Spatiotemporal Variation of Heat Island Effect Based on Landsat TM/ETM in Yinchuan City[J].Research of Soil and Water Conservation,2014,21(1):290-293. |
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| Authors: | SUN Peng HAN Mu-wen BAI Lin-bo ZHAO Wen-ting WANG Xu-sheng |
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| Institution: | School of Resources and Environment, Ningxia University, Ningxia 750021, China |
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| Abstract: | Based on thermal infrared band of Landsat TM/ETM of 1999,2006 and 2011, the study inversed surface brightness temperature of Yinchuan City, and relative brightness temperature was calculated through normalization processing. The result showed that from 1991 to 2011, the range of heat island generally expanded, and the intensity increased gradually. The heat island effect increased constantly in Jinfeng district, and increased out of nothing in Xixia and Xingqing district. With respect to the spatial distribution, the heat island effect mainly distributed at industrial area of Xixia area, economic development zone of Jinmen district and business district of Xingqing district. Also the main reason included industry development, road construction and increase of urban area. |
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| Keywords: | heat island effect Landast TM/ETM Yinchuan City relative brightness temperature |
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