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Communication Dans Un Congrès Année : 2013

NPP VIIRS land surface temperature product validation using worldwide observation networks

Résumé

Thermal infrared satellite observations of the Earth's surface are key components in estimating the surface skin temperature over global land areas. This work presents validation methodologies to estimate the quantitative uncertainty in Land Surface Temperature (LST) product derived from the Visible Infrared Imager Radiometer Suite (VIIRS) onboard Suomi National Polar-orbiting Partnership (NPP) using ground-based measurements currently made operationally at many field and weather stations around the world. Over heterogeneous surfaces in terms of surface types or biophysical properties (e.g., vegetation density, emissivity), the validation protocol accounts for land surface spatial variability around the ground station. Over sparse vegetation canopies, the methodology accounts for viewing directional effects and sun configuration when validating VIIRS LST products.
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Dates et versions

hal-01317639 , version 1 (18-05-2016)

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Yunyue Yu, Glynn Hulley, Albert Olioso, José Sobrino, Tilden Meyers, et al.. NPP VIIRS land surface temperature product validation using worldwide observation networks. IEEE International Geoscience and Remote Sensing Symposium - IGARSS, Jul 2013, Melbourne, Australia. pp.4, ⟨10.1109/IGARSS.2013.6721238⟩. ⟨hal-01317639⟩
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