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Exposure Analysis of Tacloban City’s Humanitarian Supply Chain to Climate-Related Hazards: Towards a Risk-informed Site Selection Process


Public  service  continuity  calls  for  facilities  that  can  withstand  the  impacts  of  hazard  events  without significant  damage  or  loss  of  functionality.  Using  geospatial  analysis,  the  study  evaluated  the  coastal  City  of Tacloban's  critical  point  facilities  (CPFs)  and  road  network—those  identified  to  provide  essential  support services in times of crisis -for exposure to sea-level rise (SLR) and the three other hazards of (1) flooding, (2) storm surge, and (3) rain-induced landslide. The study found that many ofthe City's CPFs and most road networks linking these facilities are at high risk of some, if not all, of these hazards. This finding substantiates the City's Super  Typhoon  (ST)  Haiyan  experiences,  confirming  weaknesses  in  the  design  of  disaster  supply  chains  that should be resolved to prevent further impacts on affected sectors. This study illustrates how the exposure analysis of humanitarian supply chain assets to various climate-related hazards can provide decision-makers with a firm understanding  of  the  number  and  location  of  assets  that  may  be  compromised  per  hazard.  Towards  evidence-based decision-making, the paper elaborates on usingGeographic Information Systems (GIS)-based conjunctive multi-criteria decision analysis (MCDA) for risk-informed site selection.


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