Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images
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Redalyc · Ciencias Marinas
A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS) on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN–55ºS; 30–120ºE) to examine the seasonal variations in phytoplankton pigment concentrations, resulting...
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| Publié dans: | Ciencias Marinas |
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| Format: | Artículo científico |
| Langue: | en |
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Universidad Autónoma de Baja California
2005
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| _version_ | 1878325298050629632 |
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| author | Abul B.M. Alauddin Talukder |
| author_facet | Abul B.M. Alauddin Talukder |
| collection | Ciencias Marinas |
| container_title | Ciencias Marinas |
| contents | Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Abul B.M. Alauddin Talukder Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS)on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN55ºS; 30120ºE) to examine the seasonalvariations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. TheCZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwestArabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonalmonths of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appearedto be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigmentconcentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshoreregions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigmentconcentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass ofphytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer inphytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout theregion due to varying cloud cover. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031305 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.31 |
| ctrlnum | oai:cienciasmarinas.com.mx:article/49 10.7773/cm.v31i3.49 |
| description | A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS) on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN–55ºS; 30–120ºE) to examine the seasonal variations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. The CZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwest Arabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonal months of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appeared to be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigment concentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshore regions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigment concentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass of phytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer in phytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout the region due to varying cloud cover.
Se obtuvieron 93 imágenes mensuales compuetas del sensor remoto de color del mar Coastal Zone Color Scanner (CZCS), a bordo del satélite Nimbus-7, para la región del Océano ÿndico (35ºN–55ºS; 30–120ºE), con el fin de determinar las variaciones estacionales de las concentraciones de pigmentos fitoplanctónicos producid as por cambios a gran escala en los procesos oceanográficos físicos. Los datos del CZCS fueron analizados usando la paquetería PC-SEAPAK y mostraron florecimientos extensos de fitoplancton en el noroeste del Mar Arábigo y frente a la costa de Somalia. Los florecimientos resultaron de surgencias inducidas por el viento durante los meses del monzón del suroeste de agosto y septiembre. En el norte del Mar Arábigo, los florecimientos fitoplanctónicos, detectados entre enero y marzo, parecen estar asociados con el enriquecimiento de nutrientes debido a la mezcla convectiva invernal. En la Bahía de Bengala, las mayores concentraciones de pigmentos se limitaron a las regiones costeras, variando sólo marginalmente entre estaciones del año tanto en las áreas costeras como mar adentro. Las concentraciones de pigmentos fitoplanctónicos fueron consistentemente bajas en el Océano Indico abierto. El análisis de las concentraciones de pigmentos obtenidas de las imágenes acumuladas mensualmente mostró que el Mar Arábigo sostiene una biomasa mayor de fitoplancton en comparación con otras regiones del Océano ÿndico. En general, las regiones costeras del Océano Indico son más ricas en pigmentos fitoplanctónicos que las oceánicas. El número de imágenes de áreas específicas fue altamente variable en toda la región debido a la cambiante nubosidad. |
| format | Artículo científico |
| id | redalyc_48031305 |
| institution | Redalyc Ciencias Marinas |
| language | en |
| publishDate | 2005 |
| publisher | Universidad Autónoma de Baja California |
| spelling | Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Variabilidad temporal y espacial de las concentraciones de pigmentos fitoplanctónicos en el Océano Índico, a partir de imágenes CZCS Alauddin Talukder, Abul BM phytoplankton pigment concentration monsoon Idian Ocean Coastal Zone Color Scanner concentración de pigmentos fitoplanctónicos monzón Océano Índico sensor CZCS A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS) on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN–55ºS; 30–120ºE) to examine the seasonal variations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. The CZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwest Arabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonal months of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appeared to be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigment concentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshore regions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigment concentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass of phytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer in phytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout the region due to varying cloud cover. Se obtuvieron 93 imágenes mensuales compuetas del sensor remoto de color del mar Coastal Zone Color Scanner (CZCS), a bordo del satélite Nimbus-7, para la región del Océano ÿndico (35ºN–55ºS; 30–120ºE), con el fin de determinar las variaciones estacionales de las concentraciones de pigmentos fitoplanctónicos producid as por cambios a gran escala en los procesos oceanográficos físicos. Los datos del CZCS fueron analizados usando la paquetería PC-SEAPAK y mostraron florecimientos extensos de fitoplancton en el noroeste del Mar Arábigo y frente a la costa de Somalia. Los florecimientos resultaron de surgencias inducidas por el viento durante los meses del monzón del suroeste de agosto y septiembre. En el norte del Mar Arábigo, los florecimientos fitoplanctónicos, detectados entre enero y marzo, parecen estar asociados con el enriquecimiento de nutrientes debido a la mezcla convectiva invernal. En la Bahía de Bengala, las mayores concentraciones de pigmentos se limitaron a las regiones costeras, variando sólo marginalmente entre estaciones del año tanto en las áreas costeras como mar adentro. Las concentraciones de pigmentos fitoplanctónicos fueron consistentemente bajas en el Océano Indico abierto. El análisis de las concentraciones de pigmentos obtenidas de las imágenes acumuladas mensualmente mostró que el Mar Arábigo sostiene una biomasa mayor de fitoplancton en comparación con otras regiones del Océano ÿndico. En general, las regiones costeras del Océano Indico son más ricas en pigmentos fitoplanctónicos que las oceánicas. El número de imágenes de áreas específicas fue altamente variable en toda la región debido a la cambiante nubosidad. Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas 2005-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/49 10.7773/cm.v31i3.49 Ciencias Marinas; Vol. 31 No. 3 (2005); 505-515 Ciencias Marinas; Vol. 31 Núm. 3 (2005); 505-515 2395-9053 0185-3880 eng https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/49/31 Copyright (c) 2005 Abul BM Alauddin Talukder https://creativecommons.org/licenses/by/4.0 ['Redalyc'] redalyc_48031305 Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images ['Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images', 'Abul B.M. Alauddin Talukder', 'Ciencias de la Tierra', 'monsoon', 'Indian Ocean', 'Coastal Zone Color Scanner', 'phytoplankton pigment concentration', 'Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Abul B.M. Alauddin Talukder Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS)on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN\x9655ºS; 30\x96120ºE) to examine the seasonalvariations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. TheCZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwestArabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonalmonths of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appearedto be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigmentconcentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshoreregions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigmentconcentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass ofphytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer inphytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout theregion due to varying cloud cover. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031305 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.31'] ['Abul B.M. Alauddin Talukder'] ['Abul B.M. Alauddin Talukder'] ['Artículo científico'] ['2005'] ['Universidad Autónoma de Baja California'] ['en'] ['Ciencias de la Tierra', 'monsoon', 'Indian Ocean', 'Coastal Zone Color Scanner', 'phytoplankton pigment concentration'] ['https://www.redalyc.org/articulo.oa?id=48031305'] ['Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Abul B.M. Alauddin Talukder Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS)on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN\x9655ºS; 30\x96120ºE) to examine the seasonalvariations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. TheCZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwestArabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonalmonths of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appearedto be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigmentconcentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshoreregions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigmentconcentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass ofphytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer inphytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout theregion due to varying cloud cover. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031305 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.31'] |
| spellingShingle | Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Abul B.M. Alauddin Talukder Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images Abul B.M. Alauddin Talukder Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration A total of 93 monthly global composite remotely sensed ocean color images from the Coastal Zone Color Scanner (CZCS)on board the Nimbus-7 satellite were extracted for the Indian Ocean region (35ºN55ºS; 30120ºE) to examine the seasonalvariations in phytoplankton pigment concentrations, resulting from large-scale changes in physical oceanographic processes. TheCZCS data sets were analyzed with the PC-SEAPAK software, and revealed large phytoplankton blooms in the northwestArabian Sea and off the Somali coast. The blooms were triggered by wind-driven upwelling during the southwest monsoonalmonths of August and September. In the northern Arabian Sea, phytoplankton blooms, detected from January to March, appearedto be associated with nutrient enhancement resulting from winter convective mixing. In the Bay of Bengal, higher pigmentconcentrations were confined to the coastal regions but varied only marginally between seasons both in the coastal and offshoreregions. Phytoplankton pigment concentrations were consistently low in the open Indian Ocean. Analysis of pigmentconcentrations extracted from the monthly-accumulated images revealed that the Arabian Sea sustained a greater biomass ofphytoplankton compared with any other region of the Indian Ocean. Overall, the coastal regions of the Indian Ocean are richer inphytoplankton pigment than the open Indian Ocean. The number of images in individual areas was highly variable throughout theregion due to varying cloud cover. 2005 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48031305 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.31 |
| title | Temporal and spatial variability of phytoplankton pigment concentrations in the Indian Ocean, derived from the CZCS time series images |
| title_alt | Variabilidad temporal y espacial de las concentraciones de pigmentos fitoplanctónicos en el Océano Índico, a partir de imágenes CZCS |
| topic | Ciencias de la Tierra monsoon Indian Ocean Coastal Zone Color Scanner phytoplankton pigment concentration |
| topic_facet | phytoplankton pigment concentration monsoon Idian Ocean Coastal Zone Color Scanner concentración de pigmentos fitoplanctónicos monzón Océano Índico sensor CZCS |
| url | https://www.redalyc.org/articulo.oa?id=48031305 https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/49 |