IAFE   05512
INSTITUTO DE ASTRONOMIA Y FISICA DEL ESPACIO
Unidad Ejecutora - UE
artículos
Título:
Comparison of AVHRR and SeaWiFS imagery with fishing activity and in-situ data in San Matias Gulf, Argentina
Autor/es:
WILLIAMS, GABRIELA NOEMÍ; SAPOZNIK, MARYSOL; OCAMPO REINALDO, MATÍAS; SOLÍS, MIRIAM; NARVARTE, MAITE; GONZÁLEZ, RAÚL; ESTEVES, JOSÉ LUIS; GAGLIARDINI, DOMINGO ANTONIO
Revista:
INTERNATIONAL JOURNAL OF REMOTE SENSING
Editorial:
TAYLOR & FRANCIS LTD
Referencias:
Lugar: Oxfordshire; Año: 2010
ISSN:
0143-1161
Resumen:
Seven years (January 2000-December 2006) of AVHRR and SeaWiFS data were used to estimate monthly climatological means and to present SST and chlorophyll-a seasonal evolution in San Matías Gulf, located between 40º 47´ S and 42º 13´ S on Argentine coast. SST and chlorophyll-a satellite maps corresponding to spring-summer, showed two well differentiable sectors: the southern zone presented colder waters and higher chlorophyll-a concentration while the northern one showed warm water and lower chlorophyll-a. Hake (Merluccius hubbsi) is the most important resource in terms of landings and economical revenues of the San Matias Gulf. Fishing activity data gathered by a Vessel Monitoring System (2004-2006) were linked with SST and chlorophyll-a maps showing that the fishing vessels operated on the thermal front from November to March and had the maximum hake yields. In addition, AVHRR-SST- and SeaWiFS-chlorophyll-a data were compared with temperature and chlorophyll-a measured in oceanographic surveys carried out in 2007.