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Land surface air temperature retrieval from EOS-MODIS images

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Land surface air temperature retrieval from EOS-MODIS images

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dc.contributor.author	Niclòs Corts, Raquel
dc.contributor.author	Valiente, José Antonio
dc.contributor.author	Barberà, María Jesús
dc.contributor.author	Caselles Miralles, Vicente
dc.date.accessioned	2015-11-16T11:26:40Z
dc.date.available	2015-11-16T11:26:40Z
dc.date.issued	2014
dc.identifier.citation	Niclòs Corts, Raquel Valiente, José Antonio Barberà, María Jesús Caselles Miralles, Vicente 2014 Land surface air temperature retrieval from EOS-MODIS images Ieee Geoscience And Remote Sensing Letters 11 8 1380 1384
dc.identifier.uri	http://hdl.handle.net/10550/48201
dc.description.abstract	The knowledge of the spatial and temporal patterns of Surface Air Temperature (SAT) is essential to monitor a region¿s climate and meteorology, quantify surface exchange processes, improve climatic and meteorological model results, and study health and economic impacts. This work analyzed correlations between SAT and geophysical land surface variables, Land Surface Temperature (LST) mainly, to establish operative techniques to obtain spatially-continuous land SAT maps from satellite data, unlike data provided by meteorological station networks. The correlations were analyzed by using EOS-MODIS images, meteorological station network data, and geographical variables. Linear regressions with MODIS-retrieved LST data gave SAT with uncertainties higher than ±2K during daytime and of ±1.8K at night-time. Nevertheless, SAT uncertainties decreased up to ±1.2K when other satellite-retrieved surface parameters, i.e. vegetation index and albedo, together with meteorological and geographical data were considered as terms of multivariable regressions. The equations finally proposed were shown to work properly for different land covers.
dc.language.iso	eng
dc.relation.ispartof	Ieee Geoscience And Remote Sensing Letters, 2014, vol. 11, num. 8, p. 1380-1384
dc.subject	Ciències de la terra
dc.subject	Termodinàmica
dc.subject	Meteorologia
dc.subject	Geofísica
dc.title	Land surface air temperature retrieval from EOS-MODIS images
dc.type	journal article	es_ES
dc.date.updated	2015-11-16T11:26:41Z
dc.identifier.doi	10.1109/LGRS.2013.2293540
dc.identifier.idgrec	103623
dc.rights.accessRights	open access	es_ES