Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991

Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991

 Aerial photographs from INEGI for October 1970, October 1985, July 1989 and September 1991 were analyzed to calculate the cliff retreat rate and sediment volume supplied to the coastal system in four coastal sectors of Todos Santos Bay: San Miguel, El Sauzal, Punta Morro/El Vigía and Punta...

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Autores principales: Cruz-Colín, ME, Cupul-Magaña, LA
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 1997
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/815
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spelling oai:cienciasmarinas.com.mx:article-8152019-05-22T20:28:21Z Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991 Erosión y aporte sedimentario de los cantiles marinos de la bahía de Todos Santos,Baja California, en el periodo de 1970 a 1991 Cruz-Colín, ME Cupul-Magaña, LA sea cliffs erosion rates sediment budget Todos Santos Bay cantiles tasas de erosión balance sedimentario Bahía de Todos Santos  Aerial photographs from INEGI for October 1970, October 1985, July 1989 and September 1991 were analyzed to calculate the cliff retreat rate and sediment volume supplied to the coastal system in four coastal sectors of Todos Santos Bay: San Miguel, El Sauzal, Punta Morro/El Vigía and Punta Banda. Results indicate that all four sectors are under erosion, with cliff retreat rates of 0.93, 0.97. 0.70 and 0.89 m/yr, and sediment volumes of 14.097.71, 13,996.16, 3,919.14 and 16,194.43 m3/yr, respectively. The cliffs are important for maintaining the sediment budget of the coastal zone in Todos Santos Bay. A partir del análisis de fotografías aéreas obtenidas por INEGI en octubre de 1970, octubre de 1985, julio de 1989 y septiembre de 1991, se calculan las tasas de retroceso y el volumen de sedimento aportado al sistema litoral por cuatro sectores de cantiles identificados en la Bahía de Todos Santos: San Miguel. El Sauzal, Punta Morro/El Vigía y Punta Banda. Los resultados indican que los cuatro sectores se encuentran en un proceso erosivo, con tasas de retroceso de 0.93, 0.97, 0.70 y 0.89 m/año y con un aporte de sedimentos de 14,097.71, 13,996.16, 3,919.14 y 16.194.43 m3/año, respectivamente, siendo un contribuyente importante para mantener el balance sedimentario de la zona costera de la Bahía de Todos Santos. Iniversidad Autónoma de Baja California 1997-03-06 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/815 10.7773/cm.v23i3.815 Ciencias Marinas; Vol. 23 No. 3 (1997); 303-315 Ciencias Marinas; Vol. 23 Núm. 3 (1997); 303-315 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/815/740
institution Ciencias Marinas
collection OJS
language eng
format Online
author Cruz-Colín, ME
Cupul-Magaña, LA
spellingShingle Cruz-Colín, ME
Cupul-Magaña, LA
Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
author_facet Cruz-Colín, ME
Cupul-Magaña, LA
author_sort Cruz-Colín, ME
title Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
title_short Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
title_full Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
title_fullStr Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
title_full_unstemmed Erosion and sediment supply of sea cliffs of Todos Santos Bay, Baja California, from 1970 to 1991
title_sort erosion and sediment supply of sea cliffs of todos santos bay, baja california, from 1970 to 1991
description  Aerial photographs from INEGI for October 1970, October 1985, July 1989 and September 1991 were analyzed to calculate the cliff retreat rate and sediment volume supplied to the coastal system in four coastal sectors of Todos Santos Bay: San Miguel, El Sauzal, Punta Morro/El Vigía and Punta Banda. Results indicate that all four sectors are under erosion, with cliff retreat rates of 0.93, 0.97. 0.70 and 0.89 m/yr, and sediment volumes of 14.097.71, 13,996.16, 3,919.14 and 16,194.43 m3/yr, respectively. The cliffs are important for maintaining the sediment budget of the coastal zone in Todos Santos Bay.
publisher Iniversidad Autónoma de Baja California
publishDate 1997
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/815
_version_ 1715724014926692352

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