Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016

Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016

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Autores principales: Barrantes-Castillo, Gustavo, Arozarena-Llopis, Isabel, Sandoval-Murillo, Luis, Valverde-Calderón, José Francisco
Formato: Online
Idioma:eng
Publicado: Universidad Nacional, Costa Rica 2019
Acceso en línea:https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194
id GEOGRAFIA13194
record_format ojs
spelling GEOGRAFIA131942020-02-04T21:55:57Z Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016 Playas críticas por erosión costera en el caribe sur de Costa Rica, durante el periodo 2005-2016 Barrantes-Castillo, Gustavo Arozarena-Llopis, Isabel Sandoval-Murillo, Luis Valverde-Calderón, José Francisco Coastal erosion Costa Rican Caribbean Coastal dynamics Limón province Erosion of beaches Erosión costera Caribe costarricense dinámica costera provincia de Limón erosión de playas Since 2010, the local press has been reporting an accelerated process of erosion on the sandy beaches of the Costa Rican Caribbean coast, it has even been documented within protected areas. To quantify this process and identify coastal erosion hotspots in the Caribbean south, a methodology was proposed for detecting and delineating the shoreline using aerial photographs and high-resolution satellite imagery to determine the rate of shoreline retreat, the employed photographs and images cover the period between 2005 and 2016. By such means it was possible to identify eleven erosion hotspots, as well as estimation of their retreat rates for the periods 2005-2010 and 2010-2016. The localities that have experienced the greatest erosion of their sandy beaches are Cahuita National Park, Westfalia and Bananito Beach. Desde el 2010 en la prensa local se ha venido reportando un proceso acelerado de erosión en playas arenosas del litoral caribeño costarricense, que incluso ha sido documentado al interior de las áreas protegidas. Para cuantificar este proceso e identificar los puntos calientes por erosión costera en el Caribe Sur, se planteó una metodología que consiste en levantar la línea de costa a partir de fotografías áreas e imágenes satelitales de alta resolución espacial, con el fin de determinar la tasa de retroceso de la costa. Las fotos e imágenes utilizadas cubren un periodo entre 2005 y 2016. De esta forma fue posible identificar once puntos calientes de erosión, así como la estimación de sus tasas areales de retroceso para dos periodos (2005-2010 y 2010-2016). En este sentido, las localidades que han experimentado la mayor erosión en sus playas arenosas son el Parque Nacional Cahuita, Westfalia y playa Bananito. Universidad Nacional, Costa Rica 2019-12-07 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Evaluado por pares application/pdf text/html application/epub+zip https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194 10.15359/rgac.64-1.5 Geographical Journal of Central America; Vol. 1 No. 64 (2020): Revista Geográfica de América Central; 123-150 Revista Geográfica de América Central; Vol. 1 Núm. 64 (2020): Revista Geográfica de América Central; 123-150 Revista Geográfica da América Central; v. 1 n. 64 (2020): Revista Geográfica de América Central; 123-150 2215-2563 1011-484X eng https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194/18328 https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194/18329 https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194/18330 Derechos de autor 2019 Gustavo Barrantes-Castillo, Isabel Arozarena-Llopis, Luis Sandoval-Murillo, José Francisco Valverde-Calderón
institution Universidad Nacional de Costa Rica
collection Revista Geografía de América Central
language eng
format Online
author Barrantes-Castillo, Gustavo
Arozarena-Llopis, Isabel
Sandoval-Murillo, Luis
Valverde-Calderón, José Francisco
spellingShingle Barrantes-Castillo, Gustavo
Arozarena-Llopis, Isabel
Sandoval-Murillo, Luis
Valverde-Calderón, José Francisco
Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
author_facet Barrantes-Castillo, Gustavo
Arozarena-Llopis, Isabel
Sandoval-Murillo, Luis
Valverde-Calderón, José Francisco
author_sort Barrantes-Castillo, Gustavo
title Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
title_short Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
title_full Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
title_fullStr Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
title_full_unstemmed Critical beaches due to coastal erosion in the Caribbean south of Costa Rica, during the period 2005-2016
title_sort critical beaches due to coastal erosion in the caribbean south of costa rica, during the period 2005-2016
title_alt Playas críticas por erosión costera en el caribe sur de Costa Rica, durante el periodo 2005-2016
publisher Universidad Nacional, Costa Rica
publishDate 2019
url https://www.revistas.una.ac.cr/index.php/geografica/article/view/13194
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