Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/52747
Título: Regional optimization of an atmospheric correction algorithm for the retrieval of sea surface temperature from the Canary Islands-Azores Gibraltar area using NOAA/AVHRR data
Autores/as: Eugenio, F. 
Marcello, J. 
Hernández-Guerra, A. 
Rovaris, E. 
Clasificación UNESCO: 2510 Oceanografía
250616 Teledetección (Geología)
Palabras clave: Sea surface temperature
NOAA/AVHR
Canary Islands
Gilbraltar
Azores
Fecha de publicación: 2005
Publicación seriada: International Journal of Remote Sensing 
Resumen: An atmospheric correction algorithm for the retrieval of sea surface temperature (SST) from the Canary Islands–Azores–Gibraltar area is developed by using a matchup dataset from Advanced Very High Resolution Radiometer (AVHRR) multiple‐infrared window channel data and in situ SST data. The improvements and restrictions introduced in the systematic procedure to generate the matchup database lead to a very high quality comparison dataset. Regionally optimized algorithm coefficients, which take into account the large zenith angle variation over a whole AVHRR image, are estimated from multivariate analysis using 80 co‐located in situ and satellite measurements. For validation purposes 135 data from the AVHRR Pathfinder Oceans Matchup Database (PFMDB) are obtained. Error analysis shows that SST can be retrieved to within 0.5°C. A comparison with different regional and global algorithms shows that considerable improvement is achieved by regionally optimizing the algorithm coefficients. Finally, the performance of the proposed algorithm is assessed and applied to the AVHRR/3 sensor aboard NOAA‐L satellite using an independent in situ dataset, derived from the ARGO Data Collection System.
URI: http://hdl.handle.net/10553/52747
ISSN: 0143-1161
DOI: 10.1080/01431160582000298341
Fuente: International Journal of Remote Sensing [ISSN 0143-1161], v. 26 (9), p. 1799-1814, (Mayo 2005)
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