Landsat 8 land surface temperature product validation and analysis

文献类型： 外文期刊

第一作者： Li Shenglin

作者： Li Shenglin;Liu Bo;Guo Fengyun;Zhao Ben;Li Dacheng;Wang Yuheng

作者机构：

关键词： Landsat 8; LST product; validation; single-channel algorithm (JMS)

期刊名称：CHINESE SPACE SCIENCE AND TECHNOLOGY （ 影响因子：0.9； 五年影响因子：0.8 ）

ISSN： 1000-758X

年卷期： 2023 年 43 卷 2 期

页码：

收录情况： SCI

摘要： The thermal band of Landsat series satellites has a spatial resolution of 60-120 m, which plays an important role in various environmental monitoring. With the release of land surface temperature (LST) product of Landsat series satellites worldwide, the validation work also begins. However, there is still a lack of validation for long time series. Taking the middle reaches of the Heihe River Basin as the study area, the Landsat 8 LST product with 31 clear and cloudless scene images from 2013 to 2016 were verified and analyzed by using the ground measured data observed by the three weather stations of Wetland Station (SD), Gobi Station (GB) and Daman Super Station (CJZ), and the Landsat 8 LST product was compared with the widely used single-channel algorithm (JMS) inversion results. The validation results show that the accuracy of both the Landsat 8 LST product and the JMS inversion results arc high,and R2 at each site is better than 0. 919. Based on the analysis of all sites,the accuracy of Landsat 8 LST product is slightly higher than the JMS.

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