Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range
Empirical relationships to estimate vertical attenuation coefficient of photosynthetically available radiation (KPAR) using Secchi disk, vertical black disk, and horizontal sighting ranges for San Quintín Bay, Baja California, were developed. Radiometric PAR profiles were used to calculate KPAR. Ver...
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| मुख्य लेखकों: | , |
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| स्वरूप: | info:eu-repo/semantics/article |
| भाषा: | eng |
| प्रकाशित: |
Iniversidad Autónoma de Baja California
2005
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| विषय: | |
| ऑनलाइन पहुंच: | https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/27 |
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repositorioinstitucional-20.500.12930-7308 |
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dspace |
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Repositorio Institucional |
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eng |
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PAR attennuation horizontal sighting range Secchi disk coastal lagoons Baja California atenuación de PAR disco de Secchi distancia horizontal de desaparición de objetos lagunas costeras Baja california |
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PAR attennuation horizontal sighting range Secchi disk coastal lagoons Baja California atenuación de PAR disco de Secchi distancia horizontal de desaparición de objetos lagunas costeras Baja california Montes-Hugo, MA Álvarez-Borrego, S Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| description |
Empirical relationships to estimate vertical attenuation coefficient of photosynthetically available radiation (KPAR) using Secchi disk, vertical black disk, and horizontal sighting ranges for San Quintín Bay, Baja California, were developed. Radiometric PAR profiles were used to calculate KPAR. Vertical (ZD) and horizontal (HS) sighting ranges were measured with white (Secchi depth or ZSD, HSW) and black (ZBD, HSB) targets. The empirical power models KPAR = 1.48 ZSD–1.16, KPAR = 0.87 ZBD–1.52, KPAR = 0.54 HSW–0.65 and KPAR = 0.53 HSB–0.92 were developed for the corresponding relationships. The parameters of these models are not significantly different from those of models developed for Punta Banda Estuary, another Baja California lagoon, with the exception of the one for the KPAR-HSW relationship. Also, parameters of the KPAR-ZSD model for San Quintín Bay and Punta Banda Estuary are not significantly different from those developed for coastal waters near Santa Barbara, California. A set of general models is proposed that may apply to coastal water bodies of northwestern Baja California and southern California (KPAR = 1.45 ZSD –1.10, KPAR = 0.92 ZBD–1.45, and KPAR = 0.70 HSB –1.10). While this approach may be universal, more data are needed to explore the variability of the parameters between different water bodies. |
| format |
info:eu-repo/semantics/article |
| author |
Montes-Hugo, MA Álvarez-Borrego, S |
| author_facet |
Montes-Hugo, MA Álvarez-Borrego, S |
| author_sort |
Montes-Hugo, MA |
| title |
Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| title_short |
Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| title_full |
Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| title_fullStr |
Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| title_full_unstemmed |
Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range |
| title_sort |
empirical relations to estimate underwater par attenuation in san quintín bay using secchi depth and horizontal sighting range |
| publisher |
Iniversidad Autónoma de Baja California |
| publishDate |
2005 |
| url |
https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/27 |
| _version_ |
1792608895168937984 |
| spelling |
repositorioinstitucional-20.500.12930-73082023-05-09T14:30:26Z Empirical relations to estimate underwater PAR attenuation in San Quintín Bay using Secchi depth and horizontal sighting range Relaciones empíricas para estimar la atenuación subacuática de PAR en Bahía San Quintín utilizando la profundidad de Secchi y la distancia horizontal de desaparición de objetos Montes-Hugo, MA Álvarez-Borrego, S PAR attennuation horizontal sighting range Secchi disk coastal lagoons Baja California atenuación de PAR disco de Secchi distancia horizontal de desaparición de objetos lagunas costeras Baja california Empirical relationships to estimate vertical attenuation coefficient of photosynthetically available radiation (KPAR) using Secchi disk, vertical black disk, and horizontal sighting ranges for San Quintín Bay, Baja California, were developed. Radiometric PAR profiles were used to calculate KPAR. Vertical (ZD) and horizontal (HS) sighting ranges were measured with white (Secchi depth or ZSD, HSW) and black (ZBD, HSB) targets. The empirical power models KPAR = 1.48 ZSD–1.16, KPAR = 0.87 ZBD–1.52, KPAR = 0.54 HSW–0.65 and KPAR = 0.53 HSB–0.92 were developed for the corresponding relationships. The parameters of these models are not significantly different from those of models developed for Punta Banda Estuary, another Baja California lagoon, with the exception of the one for the KPAR-HSW relationship. Also, parameters of the KPAR-ZSD model for San Quintín Bay and Punta Banda Estuary are not significantly different from those developed for coastal waters near Santa Barbara, California. A set of general models is proposed that may apply to coastal water bodies of northwestern Baja California and southern California (KPAR = 1.45 ZSD –1.10, KPAR = 0.92 ZBD–1.45, and KPAR = 0.70 HSB –1.10). While this approach may be universal, more data are needed to explore the variability of the parameters between different water bodies. Se desarrollaron relaciones empíricas para estimar el coeficiente vertical de atenuación de la radiación fotosintéticamente disponible (KPAR) basado en distancias de desaparición de objetos en la componente vertical (ZD) y horizontal (HS) en Bahía San Quintín, Baja California. Las mediciones visuales verticales se hicieron con discos blancos (profundidad del Secchi o ZSD) y negros (ZSD). Las mediciones horizontales consistieron en la detección de esferas blancas (HSW) y negras (HSB). Se generaron perfiles radiométricos de PAR para calcular KPAR. Se midieron distancias verticales (ZD) y horizontales (HS) con objetos blancos y negros. Se desarrollaron los modelos empíricos potenciales KPAR = 1.48 ZSD–1.16, KPAR = 0.87 ZBD –1.52, KPAR = 0.54 HSW–0.65 y KPAR = 0.53 HSB–0.92 para las relaciones correspondientes. Los parámetros de estos modelos no son significativamente diferentes a los de modelos desarrollados para el Estero de Punta Banda, otra laguna de Baja California, con excepción del modelo para la relación KPAR-HSW. Además, los parámetros para el modelo de la relación KPAR-ZSD para Bahía San Quintín y el Estero de Punta Banda no son significativamente diferentes de los de un modelo desarrollado para aguas costeras cerca de Santa Bárbara, California. Se propone un conjunto de modelos que se puede aplicar a las aguas costeras del noroeste de Baja California y del sur de California (KPAR = 1.45 ZSD–1.10, KPAR = 0.92 ZBD–1.45 y KPAR = 0.70 HSB–1.10). Si bien este método puede tener aplicación universal, se requieren más datos para explorar la variabilidad de los parámetros para cuerpos de agua diferentes. 2005-03-06 2021-06-03T03:54:50Z 2021-06-03T03:54:50Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/27 10.7773/cm.v31i4.27 https://hdl.handle.net/20.500.12930/7308 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/27/12 application/pdf Iniversidad Autónoma de Baja California Ciencias Marinas; Vol. 31 No. 4 (2005); 685-695 Ciencias Marinas; Vol. 31 Núm. 4 (2005); 685-695 2395-9053 0185-3880 |
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