For maps representing the climate exposure and vulnerability indices, visit the CIESIN Mapping the Exposure of Socioeconomic and Natural Systems of West Africa to Coastal Climate Stressors page, which includes a link to the full 2014 report.
Further information is available in this article:
de Sherbinin, A, T. Chai-Onn, M. Jaiteh, V. Mara, L. Pistolesi, E. Schnarr, and S. Trzaska. 2015. Data Integration for Climate Vulnerability Mapping in West Africa. ISPRS International Journal of Geo-Information 4(4):2561-2582. https://doi.org/10.3390/ijgi4042561.