Estimating relative immediacy of water-related challenges in Small Island Developing States (SIDS) of the Pacific Ocean using AHP modeling

We outline nine water-related challenges faced by the Small Island Developing States (SIDS) of the Pacific Ocean and map them with relevant sustainable development goals (SDGs). The challenges thus identified have been modeled using analytical hierarchy process (AHP) to find out their priority weights. Based on this weightage, the relative immediacy of each of these water-related challenges have been calculated, and classified as high, medium, and low. The findings reveal that the most immediate challenge in terms of their relative immediacy weightage is the ‘rising sea level’. This is followed by ‘low water quality and its availability’, and ‘spread of water-borne and vector-borne diseases’. Other challenges analyzed in this study pertains to overfishing and exploitation of exclusive economic zones; soil erosion and coastal inundation; increase in incidences of natural disasters; coral reef damage and increased ocean acidification; climate refugee; and changing precipitation pattern. This study would be instrumental for policy makers and inter-governmental organizations in directing the resource allocation for adaptation and mitigation efforts in the small islands.

Ahmed F. & Mishra V., in press. Estimating relative immediacy of water-related challenges in Small Island Developing States (SIDS) of the Pacific Ocean using AHP modeling. Modeling Earth Systems and Environment. Article (subscription required).

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