An MCDA risk assessment framework for carbon capture and storage Online publication date: Fri, 05-Feb-2016
by John Michael Humphries Choptiany; Ronald Pelot; James Brydie; William Gunter
International Journal of Decision Support Systems (IJDSS), Vol. 1, No. 4, 2015
Abstract: Carbon capture and storage (CCS) is a technology used to mitigate climate change by removing CO2 emissions from fossil-fuelled power plants. CCS is a new, large-scale technology with potentially large geographical and temporal impacts. There are considerable uncertainties surrounding CCS risks. CCS decision makers may benefit from a holistic framework to compare project options based upon many diverse criteria. The authors developed a decision analysis framework to assess CCS risks and to facilitate project selection. The framework incorporates utility curves, criterion weights, thresholds, decision trees, Monte Carlo simulation, critical events and sensitivity analysis. Criteria were chosen from environmental, social, economic and engineering fields. CCS experts provided inputs, which formed the basis for simulation model runs to compare preferences between three hypothetical CCS projects. The study demonstrated the value of a flexible model that can be tailored to individual decision makers and adapted to many complex decisions.
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