The edge effect in the Northeast North Pacific Ocean

The edge effect in the Northeast North Pacific Ocean

During April 1989, an intensive, short-term study of oceanic zooplankton tested the hypothesis that multidimensional distribution (patchiness, diffusion, layering) reflects the water mass interaction in the Northeast North Pacific Ocean (NENPO) during the spring season. The mixing water masses creat...

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Autor principal: Foerster, JW
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 1996
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/855
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spelling oai:cienciasmarinas.com.mx:article-8552019-06-05T17:57:32Z The edge effect in the Northeast North Pacific Ocean El efecto de frontera en el Noreste del Océano Pacífico Norte Foerster, JW dual frequency sonar plankton frontal zone North Pacific Current Davidson Current edge effect sonar de doble frecuencia plancton zona de frontera Corriente del Pacífico Norte Corriente de Davidson efecto de frontera During April 1989, an intensive, short-term study of oceanic zooplankton tested the hypothesis that multidimensional distribution (patchiness, diffusion, layering) reflects the water mass interaction in the Northeast North Pacific Ocean (NENPO) during the spring season. The mixing water masses created an edge effect to which the biota responded. A dual frequency sonar array (38 kHz, 200 kHz), towing in tandem with an oceanographic sensor system, recorded zooplankton and environmental changes across various water masses. The tandem sensor system was a method to synoptically map the NENPO at the beginning of the productive period of early spring over an area of 3.3 × 105 km, 125 m in depth. Results from the plankton data showed patchiness and layers conforming to oceanographic physical features. These patterns appeared to define the interactions of the water masses and confirm the hypothesis. En abril de 1989, un estudio de corto plazo de zooplancton oceánico puso a prueba la hipótesis de que la distribución multidimensional (estratificación, difusión, densidad) refleja la interacción de masas de agua en el noreste del Océano Pacífico Norte (NEOPN) durante la primavera. La mezcla de masas de agua creo un efecto de frontera (edge effect) al cual respondió la biota. Se registraron cambios ambientales y en el zooplancton en diversas masas de agua, utilizando un sonar de doble frecuencia (38 kHz, 200 kHz) remolcado en tándem con un sistema sensor oceanográfico. El sistema sensor en tándem se utilizó para trazar sinópticamente el NEOPN al comienzo del periodo productivo a principios de la primavera, cubriendo un &rea de 3.3 × 105 km, hasta 125 m de profundidad. Los datos de zooplancton resultantes indican capas y concentraciones que siguen las características físicas oceanográficas. Dichos patrones parecieran definir las interacciones de las masas de agua y confirmar la hipótesis. Iniversidad Autónoma de Baja California 1996-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/855 10.7773/cm.v22i2.855 Ciencias Marinas; Vol. 22 No. 2 (1996); 175-190 Ciencias Marinas; Vol. 22 Núm. 2 (1996); 175-190 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/855/777
institution Ciencias Marinas
collection OJS
language eng
format Online
author Foerster, JW
spellingShingle Foerster, JW
The edge effect in the Northeast North Pacific Ocean
author_facet Foerster, JW
author_sort Foerster, JW
title The edge effect in the Northeast North Pacific Ocean
title_short The edge effect in the Northeast North Pacific Ocean
title_full The edge effect in the Northeast North Pacific Ocean
title_fullStr The edge effect in the Northeast North Pacific Ocean
title_full_unstemmed The edge effect in the Northeast North Pacific Ocean
title_sort edge effect in the northeast north pacific ocean
description During April 1989, an intensive, short-term study of oceanic zooplankton tested the hypothesis that multidimensional distribution (patchiness, diffusion, layering) reflects the water mass interaction in the Northeast North Pacific Ocean (NENPO) during the spring season. The mixing water masses created an edge effect to which the biota responded. A dual frequency sonar array (38 kHz, 200 kHz), towing in tandem with an oceanographic sensor system, recorded zooplankton and environmental changes across various water masses. The tandem sensor system was a method to synoptically map the NENPO at the beginning of the productive period of early spring over an area of 3.3 × 105 km, 125 m in depth. Results from the plankton data showed patchiness and layers conforming to oceanographic physical features. These patterns appeared to define the interactions of the water masses and confirm the hypothesis.
publisher Iniversidad Autónoma de Baja California
publishDate 1996
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/855
_version_ 1715724019663110144

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