| 基于Landsat TM数据的延吉市地表温度的2种反演算法比较研究 |
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| 引用本文： | 李秀霞,南颖,刘志锋,吉喆.基于Landsat TM数据的延吉市地表温度的2种反演算法比较研究[J].延边大学理工学报,2010,36(2):177-182. |
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| 作者姓名： | 李秀霞 南颖 刘志锋 吉喆 |
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| 作者单位： | 延边大学理学院,地理系,吉林,延吉133002 |
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| 基金项目： | 国家自然科学基金资助项目，延边大学211重点学科建设项目，延边大学与Kanazawa University国际合作项目 |
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| 摘 要： | 基于Landsat TM影像中的热红外数据,利用单窗算法和单通道算法对延吉市的地表温度进行了反演,并对反演结果进行了统计.结果表明:2种反演算法所反演出来的地表温度总体趋势比较一致,其中单通道算法所反演出来的温度比单窗算法高一些,平均相差约1.03 K;2种算法的结果与亮度温度相比,单窗算法和单通道算法分别高出约3.32 K和4.35 K.
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| 关 键 词： | 延吉市 地表温度 单窗算法 单通道算法 反演 |
Comparison of Two Algorithms for Retrieving Land Surface Temperature from Landsat TM Thermal Infrared Band in Yanji City |
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| LI Xiu-xia,NAN Ying,LIU Zhi-feng,JI.Comparison of Two Algorithms for Retrieving Land Surface Temperature from Landsat TM Thermal Infrared Band in Yanji City[J].Journal of Yanbian University (Natural Science),2010,36(2):177-182. |
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| Authors: | LI Xiu-xia NAN Ying LIU Zhi-feng JI |
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| Affiliation: | Zhe (Department of Geography,College of Sciences,Yanbian University,Yanji 133002,China) |
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| Abstract: | Based on Landsat TM thermal infrared band,we retrieved the land surface temperature（LST） of Yanji city with two different methods—Mono-window Algorithm and Single-channel Algorithm,and a statistic was made for the result of the LST retrieved from the two algorithms.The results showed that： the general trend of the LST retrieved from the two algorithms is much consistent.And the LST retrieved from the Single-channel Algorithm is a little averagely higher about 1.03 K than that retrieved from the Mono-window Algorithm;when compared the LST retrieved from the two algorithms with the brightness temperature,the Mono-window Algorithm is higher about 3.32 K than it,while the Single-channel Algorithm is higher about 4.35 K than it. |
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| Keywords: | Yanji city land surface temperature（LST） Mono-window Algorithm Single-channel Method retrieve |
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