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Assessment of Physical Vulnerability in Santo Domingo De Heredia, Costa Rica, Central America

World Journal of Engineering and Technology 2014年第3期2卷 78-84页

作者： jonnathan reyes chaves Mario Fernandez Arce Daniel Solis Rafael Bolanos Villalobos Escuela de Geografia Universidad de Costa Rica(UCR Preventec-Universidad de Costa Rica(UCR) Escuela de Geografia-UCR and Centro de Investigaciones en Ciencias Geologicas-UCR Preventec-UCR Casa de la Cultura de Santo Domingo de Heredia

This work assesses the physical vulnerability of the Santo Domingo Canton in the province of Heredia in Costa Rica. We evaluate the vulnerability of areas located in high risk zones as well as the structural resistance of structures of the canton and then combine them to obtain an index of Physical Vulnerability. Most of the communities in high risk areas in this Canton have not been properly identified and mapped. This identification and mapping will enhance the management of disaster risks, reduce the infrastructure vulnerability and protect vulnerable families in there. We created an index ranging between 0 and 1 for each indicator of physical vulnerability (human settlements in areas of high risk and structural resistance) and another similar index resulting from the combination of vulnerability information from both indicators. The greater part of the territory of Santo Domingo has low physical vulnerability but there are critical sites in the West and the East of the canton.

关键词： Vulnerability Santo Domingo Heredia Disasters Prevention Costa Rica

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Natural hazards in Santo Domingo de Heredia, Costa Rica, Central America

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Natural Science 2014年第3期6卷 121-129页

作者： jonnathan reyes Mario Fernández Sara Grineski Timothy Collins Department of Sociology and Anthropology University of Texas El Paso USA School of Geography University of Costa Rica (UCR) San José Costa Rica University of Costa Rica San José Costa Rica School of Geology University of Costa Rica San José Costa Rica Center for Research in Geological Sciences University of Costa Rica San José Costa Rica Red Sismológica Nacional (RSN: ICE-UCR) San José Costa Rica

Santo Domingo de Heredia, Costa Rica is a county facing serious risks from natural hazards, specifically flooding, earthquakes, volcanic activity and landslides. In order to inform disaster risk reduction efforts and improve the safety and well-being of local residents, this article assessed these natural hazards using a geographical approach. First, we described the four hazards based on a review of reports from previous emergencies, scientific papers and newspaper articles. Second, we integrated spatial data on each hazard to create a hazard density index for the county at the level of the census unit (n = 140). Results demonstrate that river flooding has caused the most damage of the four hazards in recent times. Both seismic and volcanic risks (specifically ash fall from volcanic eruptions) affect the entire area of Santo Domingo. Landslides have affected localized, settled areas of steep river canyons in the southern part of the county. In general, the highest density of hazards is located in the southern reaches of Santo Domingo. As such, we recommend that local authorities concentrate their management efforts in that area.

关键词： Hazards Earthquakes Floods Eruptions Landslides Faults Index

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