2010
DOI: 10.21704/rea.v9i1-2.390
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Variabilidad Espacio-Temporal De Condiciones Hidrofísicas en Bahía Independencia, Pisco – Perú, Desde 1995 Al 2004

Abstract: Resumen Bahía Independencia cuenta con un importante sistema marino cuya estructura y funcionalidad, ha sido objeto de diferentes estudios biológicos. A partir de informes de evaluaciones in situ (IMARPE, DHN) y de datos satelitales (QuikSCAT), se logró describir la variabilidad espacio-temporal de las condiciones hidrofísicas, en base a vientos, circulación marina, temperatura y salinidad. Para ello se aplicó análisis de estadística descriptiva, pruebas de correlación, análisis multivariado, análisis de varia… Show more

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Cited by 6 publications
(8 citation statements)
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“…Wind forcing in Bahía Independencia prompts the upwelling of equatorial subsurface waters characterized by high salinity, high nutrient levels and low dissolved oxygen. In the southern half of the bay (south of La Vieja Island) wind forcing generates a clockwise circulation pattern that favors shoreward water transport (Quispe et al, 2010). This circulation pattern seems to favor larval retention, as observed in other bay systems from the HCS (Thiel et al, 2007).…”
Section: Environmental Factors Affecting Early Stage Transitions Of Amentioning
confidence: 67%
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“…Wind forcing in Bahía Independencia prompts the upwelling of equatorial subsurface waters characterized by high salinity, high nutrient levels and low dissolved oxygen. In the southern half of the bay (south of La Vieja Island) wind forcing generates a clockwise circulation pattern that favors shoreward water transport (Quispe et al, 2010). This circulation pattern seems to favor larval retention, as observed in other bay systems from the HCS (Thiel et al, 2007).…”
Section: Environmental Factors Affecting Early Stage Transitions Of Amentioning
confidence: 67%
“…The oceanographic conditions at Bahía Independencia are broadly characterized by low surface temperatures and high nutrient levels due to permanent upwelling. The permanent circulation of water masses modulated by wind patterns determines the presence of upwelling shadow fronts, as observed in similar embayments along the HCS (Marín et al, 2003;Quispe et al, 2010). These mesoscale processes may strongly regulate larval movement in this nearshore retention area and hence the recruitment dynamics and other demographic features of benthic organisms (Escribano et al, 2003;Ashton et al, 2008;Riascos et al, 2011).…”
Section: Introductionmentioning
confidence: 73%
“…Independencia Bay is an area influenced by strong winds and currents, upwelling cycles (Quispe et al, 2010;Tarazona et al, 1991;Taylor et al, 2008) and also by the addition of organic matter and shells of the scallop Argopecten purpuratus, which increases its population size during EN events (Mendo et al, 1987;Tarazona et al, 2007;Taylor et al, 2008;Wolff and Mendo, 2000). Thus, the area is controlled mainly by physical forces (Tarazona et al, 1991).…”
Section: Discussionmentioning
confidence: 99%
“…Coastal waters in the bay are relatively cold during the neutral phase of ENSO and La Niña conditions, fluctuating between 13ºC in winter and 23ºC in summer (Arntz et al, 1991;Belapatiño Candela, 2007), mostly as a result of sub-surface Equatorial waters (Morón et al, 1988;Quispe et al, 2010). During EN conditions, the temperature of coastal water elevates as a result of the incursion of Subtropical surface waters (Morón et al, 1988;Quispe et al, 2010).…”
Section: A C C E P T E Dmentioning
confidence: 99%
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