Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/48695
Título: Improvements on the methodology to obtain accurate and automatic maps of Sea Surface Temperature from NOAA-AVHRR data
Autores/as: Eugenio, F. 
Marcello Ruiz, Francisco Javier 
Hernández, A.
Rovaris Romero, Eduardo 
Clasificación UNESCO: 250616 Teledetección (Geología)
Palabras clave: Satellites
Sea measurements
Ocean temperature
Sea surface temperature
Temperature sensors, et al.
Fecha de publicación: 2000
Publicación seriada: International Geoscience and Remote Sensing Symposium (IGARSS)
Conferencia: 2000 Intenational Geoscience and Remote Sensing Symposium (IGARSS 2000) 
Resumen: The need for high accuracy in the measurement of Sea Surface Temperature (SST) from space was recognized in the early stages of planning the World Climate Research Program. Improvements on the normally used methodologies to obtain accurate and automatic maps of SST in the Canary-Azores-Gibraltar area have been developed. Procedures applied to the images from the AVHRR sensor aboard NOAA 14 consists on: (i) a radiance-based non-linearity correction method; (ii) an automatic procedure for the geometric correction, achieving accuracies to the order of the pixel; (iii) a qualitative and quantitative test between in situ SST measurements and nearly-coincident satellite observations, including an improved algorithm for the cloud detection. Coefficients to obtain the SST from the AVHRR data are estimated by regression analysis using co-located in situ and satellite measurements (matchups). Error analysis and validation test, using the AVHRR Pathfinder Oceans Matchup Database, has shown that SST can be retrieved to within 0.45 °C RMSD.
URI: http://hdl.handle.net/10553/48695
ISBN: 0-7803-6359-0
Fuente: International Geoscience and Remote Sensing Symposium (IGARSS),v. 5, p. 1827-1829
Colección:Actas de congresos
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