Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico

The contribution of continental water to the coastal zone has a significant impact on ecosystems worldwide. Continental waters provide nutrients in different concentrations and their distribution is conditioned by local marine circulation dynamics and seasonality of river inputs. The Balsas River, o...

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Autores principales:	De-la-Lanza-Espino, G, Penié-Rodríguez, I, Hernández Pulido, S
Formato:	info:eu-repo/semantics/article
Lenguaje:	eng
Publicado:	Iniversidad Autónoma de Baja California 2004
Materias:	coastal eutrophication current effects eutroficación costera efecto de corrientes
Acceso en línea:	https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/243
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spelling	repositorioinstitucional-20.500.12930-73712023-05-09T14:30:49Z Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico Variación espaciotemporal del fósforo y el efecto de las corrientes locales en su distribución en la Bahía de Petacalco, Guerrero, México De-la-Lanza-Espino, G Penié-Rodríguez, I Hernández Pulido, S coastal eutrophication current effects eutroficación costera efecto de corrientes The contribution of continental water to the coastal zone has a significant impact on ecosystems worldwide. Continental waters provide nutrients in different concentrations and their distribution is conditioned by local marine circulation dynamics and seasonality of river inputs. The Balsas River, one of the most important in Mexico, discharges its water into Petacalco Bay, with a considerable nutrient content. This work studied the spatiotemporal variability of the orthophosphate and total phosphorus contents and their relation with salinity, turbidity and coastal circulation. Maximum orthophosphate concentrations in the bay were 19.56 ∞M in April/May, 10.50 ∞M in February and 9.31 ∞M in August. The high total phosphorus contents were 40.98 ∞M in April/May and 20.54 ∞M in August, indicating an eutrophied coastal environment, result of the wastewaters discharged by the industries established along the river's estuary and dispersed throughout the bay by the local currents. An accumulation of water originating from the Balsas River was recorded in the central-eastern portion of the bay. There were small cyclonic and anticyclonic superficial gyres off the Petacalco Estuary during most of the months studied (February, June, August, October and December) that had the same direction at 10 m depth or were inverted in April and December, with a displacement toward the E–NE, allowing us to verify the diffusion of the phosphorus. Los aportes de aguas continentales hacia la zona costera son uno de los impactos más significativos que reciben los ecosistemas a nivel mundial. Las aguas continentales aportan nutrientes en diferente magnitud y su distribución está condicionada por la dinámica de circulación marina local y la estacionalidad de los aportes fluviales. El Río Balsas, uno de los más importantes de México, descarga sus aguas hacia la Bahía de Petacalco, con un considerable contenido de nutrientes. En el presente trabajo se estudia la variabilidad espaciotemporal del contenido de ortofosfatos y fósforo total y se analiza su relación con otros parámetros como salinidad, turbiedad y circulación costera. En la bahía se registraron contenidos máximos de ortofosfatos de 19.56 ∞M en abril-mayo, 10.50 ∞M en febrero y 9.31 ∞M en agosto. Para el fósforo total sobresalieron 40.98 ∞M en abril-mayo y 20.54 ∞M en agosto que indicaron un ambiente costero eutroficado, resultado de las descargas de actividades industriales asentadas en el estuario del río y dispersadas a toda la bahía a través de las corrientes locales. En la mayoría de los meses estudiados (febrero, junio, agosto, octubre y diciembre), hacia la porción centro-oriental de la bahía se registró una acumulación del agua proveniente del Río Balsas, con pequeños giros ciclónicos-anticiclónicos superficiales frente al Estero de Petacalco que en ocasiones conservaron su sentido a 10 m de profundidad o se invirtieron en abril y diciembre, con un desplazamiento hacia el E–NE que permitió justificar la difusión del fósforo. 2004-03-06 2021-06-03T03:55:05Z 2021-06-03T03:55:05Z 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/243 10.7773/cm.v30i2.243 https://hdl.handle.net/20.500.12930/7371 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/243/206 application/pdf Iniversidad Autónoma de Baja California Ciencias Marinas; Vol. 30 No. 2 (2004); 311-322 Ciencias Marinas; Vol. 30 Núm. 2 (2004); 311-322 2395-9053 0185-3880
institution	Repositorio Institucional
collection	DSpace
language	eng
topic	coastal eutrophication current effects eutroficación costera efecto de corrientes
spellingShingle	coastal eutrophication current effects eutroficación costera efecto de corrientes De-la-Lanza-Espino, G Penié-Rodríguez, I Hernández Pulido, S Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
description	The contribution of continental water to the coastal zone has a significant impact on ecosystems worldwide. Continental waters provide nutrients in different concentrations and their distribution is conditioned by local marine circulation dynamics and seasonality of river inputs. The Balsas River, one of the most important in Mexico, discharges its water into Petacalco Bay, with a considerable nutrient content. This work studied the spatiotemporal variability of the orthophosphate and total phosphorus contents and their relation with salinity, turbidity and coastal circulation. Maximum orthophosphate concentrations in the bay were 19.56 ∞M in April/May, 10.50 ∞M in February and 9.31 ∞M in August. The high total phosphorus contents were 40.98 ∞M in April/May and 20.54 ∞M in August, indicating an eutrophied coastal environment, result of the wastewaters discharged by the industries established along the river's estuary and dispersed throughout the bay by the local currents. An accumulation of water originating from the Balsas River was recorded in the central-eastern portion of the bay. There were small cyclonic and anticyclonic superficial gyres off the Petacalco Estuary during most of the months studied (February, June, August, October and December) that had the same direction at 10 m depth or were inverted in April and December, with a displacement toward the E–NE, allowing us to verify the diffusion of the phosphorus.
format	info:eu-repo/semantics/article
author	De-la-Lanza-Espino, G Penié-Rodríguez, I Hernández Pulido, S
author_facet	De-la-Lanza-Espino, G Penié-Rodríguez, I Hernández Pulido, S
author_sort	De-la-Lanza-Espino, G
title	Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
title_short	Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
title_full	Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
title_fullStr	Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
title_full_unstemmed	Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico
title_sort	spatiotemporal variation of phosphorus and the effect of local currents on its distribution in petacalco bay, guerrero, mexico
publisher	Iniversidad Autónoma de Baja California
publishDate	2004
url	https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/243
_version_	1792609598183571456

Spatiotemporal variation of phosphorus and the effect of local currents on its distribution in Petacalco Bay, Guerrero, Mexico

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