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Autore principale: Oleg Zaitsev
Natura: Artículo científico
Lingua:en
Pubblicazione: Universidad Autónoma de Baja California 2014
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Accesso online:https://www.redalyc.org/articulo.oa?id=48031366002
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author Oleg Zaitsev
author_facet Oleg Zaitsev
contents Oceanographic conditions over the co ntinental shelf of f Magdalena Bay (Mexico) in 2011–2012 Oleg Zaitsev Armando Trasviña-Castro Jean Linero-Cueto Gilberto Gaxiola-Castro Jushiro Cepeda-Morales Ciencias de la Tierra Baja California continenta l shelf Californ ia Current thermohaline structure Northe ast Pacific Ocean The hydrophysical results obtained during six oceanographic cruises in 2011 (February, April, July, and October) and 2012 (February and April) over a 50-station samp ling grid in front of the Magdalena-Almeja s lagoon system (Mexico) are presented. MO DIS-Aqua sensor data (1.1 km) of sea surfa ce temperature (SST) and chlorophyll a , and geostrophic current fields we re analyzed during the sampling periods. In the northern part of the study area the pattern of the thermohaline structure shows subsurface intrusion of modifie d subarctic water, especially during February and April of both years. To the south, in July and Octobe r 2011, evident indications of subtropical subsurface water were found. The geostrophic current fields in February and April show a surface southward flow along the coast, which changes d irection towards the North Pole in July and October. In spring, the sate llite-derived SST showed negative anomalies of up to 4.5 ºC in th e coastal zone, corresponding to cold upwelled wa ter rising to the surface from a depth of 60–70 m. Based on the re sults, the study area can be considered the southern boundary of the transition zone betw een the subarctic and subtropi cal waters of the northeast ern Pacific Ocean, with m arked seasonality. 2014 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031366002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.2 Vol.40
format Artículo científico
id redalyc_48031366002
language en
publishDate 2014
publisher Universidad Autónoma de Baja California
spellingShingle Oceanographic conditions over the co ntinental shelf of f Magdalena Bay (Mexico) in 2011–2012
Oleg Zaitsev
Ciencias de la Tierra
Baja California
continenta l shelf
Californ ia Current
thermohaline structure
Northe ast Pacific Ocean
Oceanographic conditions over the co ntinental shelf of f Magdalena Bay (Mexico) in 2011–2012 Oleg Zaitsev Armando Trasviña-Castro Jean Linero-Cueto Gilberto Gaxiola-Castro Jushiro Cepeda-Morales Ciencias de la Tierra Baja California continenta l shelf Californ ia Current thermohaline structure Northe ast Pacific Ocean The hydrophysical results obtained during six oceanographic cruises in 2011 (February, April, July, and October) and 2012 (February and April) over a 50-station samp ling grid in front of the Magdalena-Almeja s lagoon system (Mexico) are presented. MO DIS-Aqua sensor data (1.1 km) of sea surfa ce temperature (SST) and chlorophyll a , and geostrophic current fields we re analyzed during the sampling periods. In the northern part of the study area the pattern of the thermohaline structure shows subsurface intrusion of modifie d subarctic water, especially during February and April of both years. To the south, in July and Octobe r 2011, evident indications of subtropical subsurface water were found. The geostrophic current fields in February and April show a surface southward flow along the coast, which changes d irection towards the North Pole in July and October. In spring, the sate llite-derived SST showed negative anomalies of up to 4.5 ºC in th e coastal zone, corresponding to cold upwelled wa ter rising to the surface from a depth of 60–70 m. Based on the re sults, the study area can be considered the southern boundary of the transition zone betw een the subarctic and subtropi cal waters of the northeast ern Pacific Ocean, with m arked seasonality. 2014 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031366002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.2 Vol.40
title Oceanographic conditions over the co ntinental shelf of f Magdalena Bay (Mexico) in 2011–2012
topic Ciencias de la Tierra
Baja California
continenta l shelf
Californ ia Current
thermohaline structure
Northe ast Pacific Ocean
url https://www.redalyc.org/articulo.oa?id=48031366002