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Remote sensing with SPOT-4 for mapping kelp forests in turbid waters on the south European Atlantic shelf

Opened Access Remote sensing with SPOT-4 for mapping kelp forests in turbid waters on the south European Atlantic shelf

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Autor: Casal Pascual, Gema
Sánchez Carnero, Noela
Sánchez Rodríguez, Esperanza
Freire, Juan
Departamento: Universidad de Sevilla. Departamento de Geografía Física y Análisis Geográfico Regional
Fecha: 2011
Publicado en: Estuarine, Coastal and Shelf Science, 91(3), 371–378
Tipo de documento: Artículo
Resumen: Remote sensing has become an increasingly used technique for the thematic mapping of large marine areas. In recent years, many researchers have successfully applied these techniques in different places for benthic mapping in clear waters; however, areas with turbid waters present important limitations that are gradually being solved by recent technological advances. In this context, the main objective of the present study is to develop and validate a methodology for mapping intertidal and subtidal kelp forests in the Galician coast (NW Spain), based on images from SPOT-4 (Satellite Pour l’Observation de la Terre). Three analysis methods have been applied: visual analysis and interpretation, unsupervised classification (cluster) and supervised classification (angular classification and maximum likelihood classification). Classification percentages higher than 70% in all substrates were obtained both using visual analysis and interpretation and maximum likelihood classification.
Tamaño: 950.2Kb
Formato: PDF

URI: http://hdl.handle.net/11441/30367

DOI: http://dx.doi.org/10.1016/j.ecss.2010.10.024

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