Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data
Fuente:
Redalyc · Ciencias Marinas
Phytoplankton photosynthetic parameters (maximum light utilization coefficient, alpha*; maximum photosynthetic rate, P*m; maximum quantum yield, phi-max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll conce...
Saved in:
| Published in: | Ciencias Marinas |
|---|---|
| Main Author: | |
| Format: | Artículo científico |
| Language: | en |
| Published: |
Universidad Autónoma de Baja California
2017
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1878325300266270720 |
|---|---|
| author | Ramón Sosa-Ávalos |
| author_facet | Ramón Sosa-Ávalos |
| collection | Ciencias Marinas |
| container_title | Ciencias Marinas |
| contents | Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Ramón Sosa-Ávalos Reginaldo Durazo B Greg Mitchell Jushiro Cepeda-Morales Gilberto Gaxiola-Castro Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production Phytoplankton photosynthetic parameters (maximum light utilization coefficient, ; maximum photosynthetic rate, ; maximum quantum yield, max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest and max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters ( and ) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of and could be a useful tool to calculate PP in our study area. 2017 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48052975002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.43 |
| ctrlnum | oai:cienciasmarinas.com.mx:article/2746 10.7773/cm.v43i3.2746 |
| description | Phytoplankton photosynthetic parameters (maximum light utilization coefficient, alpha*; maximum photosynthetic rate, P*m; maximum quantum yield, phi-max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest alpha* and phi-max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high P*m values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters (alpha*(z) and P*m(z)) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of alpha* and P*m(z) could be a useful tool to calculate PP in our study area.
Los parámetros fotosintéticos (coeficiente de máxima utilización de la luz, alpha*; tasa fotosintética máxima, P*m; eficiencia cuántica máxima, phi-max) fueron estimados para la región frente a Baja California a partir de muestras recolectadas del 50% de irradiancia superficial durante invierno, primavera, verano y otoño de 1999. Además, se determinó la concentración de clorofila y se realizaron experimentos in situ para determinar la producción primaria (PP) en la zona eufótica con el método 14C. Los valores más altos de alpha* y phi-max se registraron durante la primavera, principalmente en la zona costera, y estuvieron relacionados con la abundancia de diatomeas y dinoflagelados y con las altas concentraciones de clorofila. Sin embargo, los valores altos de P*m se midieron durante el otoño en la zona costera y la zona oceánica debido a la presencia de fitoplancton de menor tamaño. Los perfiles promedio de los parámetros fotosintéticos (alpha*(z) y P*m(z)) fueron estimados para la columna de agua en 2 regiones (norte y central). A partir de estos datos, se estimó la PP de ambas regiones oceanográficas usando modelos semi-analíticos. Para validar los parámetros fotosintéticos calculados para la zona eufótica, la PP modelada se comparó con la PP in situ. En general, la PP modelada fue similar a los valores in situ (94 mg C·m–2·h–1), con un alto coeficiente de correlación (r = 0.85). Se encontró que la PP modelada para aguas costeras de las regiones norte y central fue 1.5 veces mayor que la estimada in situ durante la primavera. Los resultados sugieren que, junto con información sobre pigmentos de fitoplancton y datos de irradiancia superficial medidos por sensores remotos, los perfiles promedio de alpha*(z) y P*m(z) pueden ser una herramienta útil para calcular la PP en nuestra área de estudio. |
| format | Artículo científico |
| id | redalyc_48052975002 |
| institution | Redalyc Ciencias Marinas |
| language | en |
| publishDate | 2017 |
| publisher | Universidad Autónoma de Baja California |
| spelling | Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Parámetros fotosintéticos frente a Baja California: Una herramienta para estimar la producción primaria con datos de sensores remotos Sosa-Ávalos, Ramón Durazo, Reginaldo Mitchell, B Greg Cepeda-Morales, Jushiro Gaxiola-Castro, Gilberto Phytoplankton photosynthetic parameters (maximum light utilization coefficient, alpha*; maximum photosynthetic rate, P*m; maximum quantum yield, phi-max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest alpha* and phi-max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high P*m values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters (alpha*(z) and P*m(z)) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of alpha* and P*m(z) could be a useful tool to calculate PP in our study area. Los parámetros fotosintéticos (coeficiente de máxima utilización de la luz, alpha*; tasa fotosintética máxima, P*m; eficiencia cuántica máxima, phi-max) fueron estimados para la región frente a Baja California a partir de muestras recolectadas del 50% de irradiancia superficial durante invierno, primavera, verano y otoño de 1999. Además, se determinó la concentración de clorofila y se realizaron experimentos in situ para determinar la producción primaria (PP) en la zona eufótica con el método 14C. Los valores más altos de alpha* y phi-max se registraron durante la primavera, principalmente en la zona costera, y estuvieron relacionados con la abundancia de diatomeas y dinoflagelados y con las altas concentraciones de clorofila. Sin embargo, los valores altos de P*m se midieron durante el otoño en la zona costera y la zona oceánica debido a la presencia de fitoplancton de menor tamaño. Los perfiles promedio de los parámetros fotosintéticos (alpha*(z) y P*m(z)) fueron estimados para la columna de agua en 2 regiones (norte y central). A partir de estos datos, se estimó la PP de ambas regiones oceanográficas usando modelos semi-analíticos. Para validar los parámetros fotosintéticos calculados para la zona eufótica, la PP modelada se comparó con la PP in situ. En general, la PP modelada fue similar a los valores in situ (94 mg C·m–2·h–1), con un alto coeficiente de correlación (r = 0.85). Se encontró que la PP modelada para aguas costeras de las regiones norte y central fue 1.5 veces mayor que la estimada in situ durante la primavera. Los resultados sugieren que, junto con información sobre pigmentos de fitoplancton y datos de irradiancia superficial medidos por sensores remotos, los perfiles promedio de alpha*(z) y P*m(z) pueden ser una herramienta útil para calcular la PP en nuestra área de estudio. Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas 2017-09-29 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf text/xml text/xml https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2746 10.7773/cm.v43i3.2746 Ciencias Marinas; Vol. 43 No. 3 (2017); 157-172 Ciencias Marinas; Vol. 43 Núm. 3 (2017); 157-172 2395-9053 0185-3880 eng https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2746/1931 https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2746/420420601 https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2746/420420778 Copyright (c) 2017 Ciencias Marinas https://creativecommons.org/licenses/by/4.0 ['Redalyc'] redalyc_48052975002 Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data ['Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data', 'Ramón Sosa-Ávalos', 'Ciencias de la Tierra', 'chlorophyll a', 'remote sensing', 'Baja California', 'Photosynthetic parameters', 'modeled primary production', 'Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Ramón Sosa-Ávalos Reginaldo Durazo B Greg Mitchell Jushiro Cepeda-Morales Gilberto Gaxiola-Castro Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production Phytoplankton photosynthetic parameters (maximum light utilization coefficient, ; maximum photosynthetic rate, ; maximum quantum yield, \uf066max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest and \uf066max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters ( and ) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of and could be a useful tool to calculate PP in our study area. 2017 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48052975002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.43'] ['Ramón Sosa-Ávalos'] ['Ramón Sosa-Ávalos'] ['Artículo científico'] ['2017'] ['Universidad Autónoma de Baja California'] ['en'] ['Ciencias de la Tierra', 'chlorophyll a', 'remote sensing', 'Baja California', 'Photosynthetic parameters', 'modeled primary production'] ['https://www.redalyc.org/articulo.oa?id=48052975002'] ['Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Ramón Sosa-Ávalos Reginaldo Durazo B Greg Mitchell Jushiro Cepeda-Morales Gilberto Gaxiola-Castro Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production Phytoplankton photosynthetic parameters (maximum light utilization coefficient, ; maximum photosynthetic rate, ; maximum quantum yield, \uf066max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest and \uf066max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters ( and ) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of and could be a useful tool to calculate PP in our study area. 2017 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48052975002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.43'] |
| spellingShingle | Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Ramón Sosa-Ávalos Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data Ramón Sosa-Ávalos Reginaldo Durazo B Greg Mitchell Jushiro Cepeda-Morales Gilberto Gaxiola-Castro Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production Phytoplankton photosynthetic parameters (maximum light utilization coefficient, ; maximum photosynthetic rate, ; maximum quantum yield, max) off Baja California were estimated from samples collected at the 50% light level during winter, spring, summer, and autumn 1999. Chlorophyll concentration was also determined, and in situ experiments were conducted using the 14C method to determine primary production (PP) in the euphotic zone. The highest and max values were found during the spring survey, mainly at the coastal areas, associated with diatom and dinoflagellate abundances and high chlorophyll concentrations. However, high values were measured during autumn in both inshore and offshore areas due to the presence of smaller phytoplankton cells. The average profiles of the photosynthetic parameters ( and ) in the water column were estimated for 2 regions. These parameters were used to estimate PP with semi-analytical models. Modeled PP was contrasted with in situ PP to validate our calculated photosynthetic parameters in the euphotic zone. In general, modeled PP values were similar to in situ values (94 mg C·m–2·h–1), with a high correlation coefficient (r = 0.85). Modeled PP for coastal waters in the northern and central regions was 1.5-fold greater than in situ estimates during spring. In conclusion, when used with remotely sensed phytoplankton pigment and surface irradiance data, the average profiles of and could be a useful tool to calculate PP in our study area. 2017 artículo científico 0185-3880 https://www.redalyc.org/articulo.oa?id=48052975002 en http://www.redalyc.org/revista.oa?id=480 Ciencias Marinas application/pdf Universidad Autónoma de Baja California Ciencias Marinas (México) Num.3 Vol.43 |
| title | Phytoplankton photosynthetic parameters off Baja California: A tool to estimate primary production with remote sensing data |
| title_alt | Parámetros fotosintéticos frente a Baja California: Una herramienta para estimar la producción primaria con datos de sensores remotos |
| topic | Ciencias de la Tierra chlorophyll a remote sensing Baja California Photosynthetic parameters modeled primary production |
| url | https://www.redalyc.org/articulo.oa?id=48052975002 https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/2746 |