Author： de Sherbinin Alex Chai-Onn Tricia Jaiteh Malanding Mara Valentina Pistolesi Linda Schnarr Emilie Trzaska Sylwia
Publisher： MDPI
E-ISSN： 2220-9964|4|4|2561-2582
ISSN： 2220-9964
Source： ISPRS International Journal of Geo-Information, Vol.4, Iss.4, 2015-11, pp. : 2561-2582
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Abstract
Vulnerability mapping reveals areas that are likely to be at greater risk of climate-related disasters in the future. Through integration of climate, biophysical, and socioeconomic data in an overall vulnerability framework, so-called “hotspots” of vulnerability can be identified. These maps can be used as an aid to targeting adaptation and disaster risk management interventions. This paper reviews vulnerability mapping efforts in West Africa conducted under the USAID-funded African and Latin American Resilience to Climate Change (ARCC) project. The focus is on the integration of remotely sensed and socioeconomic data. Data inputs included a range of sensor data (e.g., MODIS NDVI, Landsat, SRTM elevation, DMSP-OLS night-time lights) as well as high-resolution poverty, conflict, and infrastructure data. Two basic methods were used, one in which each layer was transformed into standardized indicators in an additive approach, and another in which remote sensing data were used to contextualize the results of composite indicators. We assess the benefits and challenges of data integration, and the lessons learned from these mapping exercises.
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