2012
DOI: 10.3856/vol40-issue3-fulltext-14
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Ciclo anual de la clorofila a satelital en el archipielago de Juan Fernandez (33 S), Chile

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Cited by 11 publications
(15 citation statements)
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“…Confidence levels of 50%, 80%, 90%, 95% and 99% were calculated by from bootstrap resampling. has been described by other authors for the oceanic region off Chile (Yuras et al, 2005;Correa-Ramírez et al, 2007;Andrade et al, 2012.). For EI, Chl-a maximums during winter begin to decline towards the end of July, reaching its lowest value (0.017 mg m -3 ) in late October-early November.…”
Section: Annual Cycle Of Chlorophyll-asupporting
confidence: 57%
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“…Confidence levels of 50%, 80%, 90%, 95% and 99% were calculated by from bootstrap resampling. has been described by other authors for the oceanic region off Chile (Yuras et al, 2005;Correa-Ramírez et al, 2007;Andrade et al, 2012.). For EI, Chl-a maximums during winter begin to decline towards the end of July, reaching its lowest value (0.017 mg m -3 ) in late October-early November.…”
Section: Annual Cycle Of Chlorophyll-asupporting
confidence: 57%
“…2d), are two orders of magnitude lower than concentrations found off the continental coast (on average ~10 mg m -3 ; ~71°W; Yuras et al, 2005) and one order of magnitude lower than the concentrations observed in the coastal region of the Juan Fernández Archipelago (on average ~0.4-0.5 mg m -3 ; ~81-79°W; Pizarro et al, 2006;Andrade et al, 2012). Because the low Chl-a concentrations, these waters has been recognized like the most transparent in the world (Pizarro et al, 2006).…”
Section: Discussionmentioning
confidence: 83%
“…This archipelago is the surface expression of an underwater ridge with an eastwest orientation ~424 km in length, beginning at Bajo O'Higgins seamount (~72°W) and ending in a seamount located immediately west of the AS island (~83°W). Around RC, SC and AS islands, a high biological production (e.g., fish, crustaceans; Rozbaczylo & Castilla, 1987;Pequeño & Sáez, 2000;Landaeta & Castro, 2004) has been observed, associated with high chlorophyll-a (Chl-a) concentrations (Pizarro et al, 2006;Andrade et al, 2012Andrade et al, , 2014. Also known as Island Mass Effect (Doty & Ogury, 1956), the increase of local Chl-a in the vicinity of these islands results from the increase of nutrients in the euphotic zone from the interaction between mesoscale eddies and island topography (Andrade et al, 2012(Andrade et al, , 2014.…”
Section: Introductionmentioning
confidence: 99%
“…Around RC, SC and AS islands, a high biological production (e.g., fish, crustaceans; Rozbaczylo & Castilla, 1987;Pequeño & Sáez, 2000;Landaeta & Castro, 2004) has been observed, associated with high chlorophyll-a (Chl-a) concentrations (Pizarro et al, 2006;Andrade et al, 2012Andrade et al, , 2014. Also known as Island Mass Effect (Doty & Ogury, 1956), the increase of local Chl-a in the vicinity of these islands results from the increase of nutrients in the euphotic zone from the interaction between mesoscale eddies and island topography (Andrade et al, 2012(Andrade et al, , 2014. The goal of this study is to identify and characterize the interaction between ITEs generated in CTZ off Chile with the Juan Fernández Archipelago and to discuss the potential impact on surface Chl-a concentrations observed at the archipelago.…”
Section: Introductionmentioning
confidence: 99%
“…Debido a que el MTM-SVD puede detectar y reproducir oscilaciones moduladas en fase y amplitud dentro de bandas de frecuencia estrechas, este método ha sido también utilizado para describir la evolución espacio-temporal de los eventos cuasi-periódicos asociados a El Niño (Mann & Park, 1994;Ribera & Mann, 2003;Tourre & White, 2005). Recientemente, el MTM-SVD ha sido aplicado al océano para analizar la variabilidad de la temperatura (Tourre & White, 2006), del nivel del mar en conjunto con el viento sobre el mar (Rojsiraphisal et al, 2009), analizar el efecto de las islas en la variabilidad oceánica (Andrade et al, 2012), y describir el patrón espacial de la concentración de clorofila satelital en el Pacífico suroriental . Particularmente, en este último trabajo se logra detectar y reconstruir por primera vez el patrón de propagación de la señal de El Niño en el nivel del mar y la clorofila, entregando una visión regional del efecto de los eventos El Niño sobre la biomasa planctónica en el sistema de corrientes de borde oriental de Chile-Perú.…”
Section: Introductionunclassified