| 基于Landsat-5 TM的洪河湿地地表温度估算方法对比研究 |
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| 引用本文： | 杜嘉,张柏,宋开山,王宗明,曾丽红,金翠,黄妮,姜广甲.基于Landsat-5 TM的洪河湿地地表温度估算方法对比研究[J].遥感技术与应用,2009,24(3):312-319. |
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| 作者姓名： | 杜嘉 张柏 宋开山 王宗明 曾丽红 金翠 黄妮 姜广甲 |
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| 作者单位： | (1.中国科学院东北地理与农业生态研究所,吉林 长春〓130012；2.中国科学院研究生院,北京〓100049) |
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| 基金项目： | 松嫩平原湿地植被参数高光谱定量遥感研究项目，中国科学院东北之春人才培养计划，国家重点基础研究发展规划(973计划) |
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| 摘 要： | 利用洪河湿地2008年5月15日过境的Landsat/TM图像和实测地面数据以及MODIS 地表发射率数据,分别运用大气辐射传输模型、覃志豪的单窗算法和Jimenez\|Munoz & Sobrino 的单波段算法估算洪河湿地的地表温度,并且对比了大气校正前后的NDVI、LSE以及各种算法估算地表温度的差异。分析估算结果表明,覃志豪的单窗算法与实测地面数据估算结果非常一致。指出在没有实时探空数据的情况下,应用只有一个热红外通道的Landsat/TM数据源,采用覃志豪的单窗算法估算的精度是可以接受的。
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| 关 键 词： | Landsat-5 TM数据 地表温度估算 洪河湿地 LSE |
A Comparative Study on Estimated Surface Temperature Based on Landsat-5 TM in the Honghe Wetland |
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| DU Jia,ZHANG Bai,SONG Kai-shan,WANG Zong-ming,ZENG Li-hong,JIN Cui,HUANG Ni,JIANG Guang-jia.A Comparative Study on Estimated Surface Temperature Based on Landsat-5 TM in the Honghe Wetland[J].Remote Sensing Technology and Application,2009,24(3):312-319. |
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| Authors: | DU Jia ZHANG Bai SONG Kai-shan WANG Zong-ming ZENG Li-hong JIN Cui HUANG Ni JIANG Guang-jia |
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| Affiliation: | (1.Northeast Institute of Geography and Agricultural Ecology,Chinese Academy of Science,Changchun,130012,China;2.Graduate University of Chinese Academy of Science,Beijing 100049,China) |
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| Abstract: | Based on the measured data,the MODIS LSE product and 1 scene of Landsat TM thermal infrared band(TM6)images of Honghe wetland,which was obtained on May 15 ,2008,the corresponding data of surface temperature were retrieved with three different methods(thermal radiance transfer equation ,mono-window algorithm carried out by Qin Zhihao,mono-window algorithm carried out by Jimёnez-Muoz & Sobrino).The retrieved data are compared and analyzed.Validation analysis was conducted by comparisons of corrected and uncorrected data including NDVI,LSE,LST estimated with the different methods.The results show that the data estimated by thermal radiance transfer equation are highly similar to that estimated by mono-window algorithm by Qin Zhihao.Therefore,when the in situ atmospheric profile data are unavailable,the mono-window algorithm by Qin Zhihao can be used to estimate the data of surface temperature from one thermal infrared band of Landsat TM images,and the precision of the retrieved data of surface temperature is acceptable. |
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| Keywords: | LSE |
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