Land surface temperature and thermal infrared emissivity
Abstract
Land surface temperature (LST) and land surface emissivity (LSE) determine the longwave radiation in land surface radiation and energy budgets and are the key input parameters in climatic, hydrological, ecological, and biogeochemical models. Section 7.1 provides the traditional definitions of temperature and emissivity as well as several definitions for the temperature and emissivity of heterogeneous and nonisothermal mixed pixels using remote sensing pixel scales. Section 7.2 illustrates the algorithm used to retrieve the average LST, including the retrieval algorithms designed for thermal infrared data and passive microwave data. Section 7.3 first presents two ...
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