Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data
This article addressed the simultaneous retrieval of land surface temperature (LST) and emissivity (LST&E) from the time-series thermal infrared data. On the basis of the assumption that the time-series LSTs can be described by a piecewise linear function, a new method has been proposed to s...
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doaj-554fd4034df84836a25b44dd0c657fef2021-06-03T23:00:17ZengIEEEIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing2151-15352020-01-011328429210.1109/JSTARS.2019.29597948949810Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared DataYonggang Qian0https://orcid.org/0000-0002-2601-0843Ning Wang1Kun Li2https://orcid.org/0000-0002-2232-1521Hua Wu3https://orcid.org/0000-0002-5982-8422Sibo Duan4Yaokai Liu5Lingling Ma6https://orcid.org/0000-0003-3206-9662Caixia Gao7Shi Qiu8Lingli Tang9Chuanrong Li10Key Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Resources and Environmental Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Agricultural Remote Sensing, Ministry of Agriculture/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaKey Laboratory of Quantitative Remote Sensing Information Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, ChinaThis article addressed the simultaneous retrieval of land surface temperature (LST) and emissivity (LST&E) from the time-series thermal infrared data. On the basis of the assumption that the time-series LSTs can be described by a piecewise linear function, a new method has been proposed to simultaneously retrieve LST&E from atmospherically corrected time-series thermal infrared data using LST linear constraint. A detailed analysis has been performed against various errors, including error introduced by the method assumption, instrument noise, initial emissivity, atmospheric downwelling radiance error, etc. The proposed method from the simulated data is more immune to noise than the existing methods. Even with a noise equivalent delta temperature of 0.5 K, the root-mean-square error of LST is observed to be only 0.13 K, and that of the land surface emissivity (LSE) is 1.8E-3. In addition, our proposed method is simple and efficient and does not encounter the problem of singular values unlike the existing methods. To validate the proposed method, a field experiment from June to September 2017 was conducted for sand target in Baotou site, China. The results show that the samples have an accuracy of LST within 0.87 K and that the mean values of LSE are accurate to 0.01.https://ieeexplore.ieee.org/document/8949810/Land surface temperature (LST)emissivitytime seriesthermal infrared data |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yonggang Qian Ning Wang Kun Li Hua Wu Sibo Duan Yaokai Liu Lingling Ma Caixia Gao Shi Qiu Lingli Tang Chuanrong Li |
spellingShingle |
Yonggang Qian Ning Wang Kun Li Hua Wu Sibo Duan Yaokai Liu Lingling Ma Caixia Gao Shi Qiu Lingli Tang Chuanrong Li Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Land surface temperature (LST) emissivity time series thermal infrared data |
author_facet |
Yonggang Qian Ning Wang Kun Li Hua Wu Sibo Duan Yaokai Liu Lingling Ma Caixia Gao Shi Qiu Lingli Tang Chuanrong Li |
author_sort |
Yonggang Qian |
title |
Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data |
title_short |
Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data |
title_full |
Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data |
title_fullStr |
Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data |
title_full_unstemmed |
Retrieval of Surface Temperature and Emissivity From Ground-Based Time-Series Thermal Infrared Data |
title_sort |
retrieval of surface temperature and emissivity from ground-based time-series thermal infrared data |
publisher |
IEEE |
series |
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
issn |
2151-1535 |
publishDate |
2020-01-01 |
description |
This article addressed the simultaneous retrieval of land surface temperature (LST) and emissivity (LST&E) from the time-series thermal infrared data. On the basis of the assumption that the time-series LSTs can be described by a piecewise linear function, a new method has been proposed to simultaneously retrieve LST&E from atmospherically corrected time-series thermal infrared data using LST linear constraint. A detailed analysis has been performed against various errors, including error introduced by the method assumption, instrument noise, initial emissivity, atmospheric downwelling radiance error, etc. The proposed method from the simulated data is more immune to noise than the existing methods. Even with a noise equivalent delta temperature of 0.5 K, the root-mean-square error of LST is observed to be only 0.13 K, and that of the land surface emissivity (LSE) is 1.8E-3. In addition, our proposed method is simple and efficient and does not encounter the problem of singular values unlike the existing methods. To validate the proposed method, a field experiment from June to September 2017 was conducted for sand target in Baotou site, China. The results show that the samples have an accuracy of LST within 0.87 K and that the mean values of LSE are accurate to 0.01. |
topic |
Land surface temperature (LST) emissivity time series thermal infrared data |
url |
https://ieeexplore.ieee.org/document/8949810/ |
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