GIS-based Financial Analysis for Coastal Flooding and Sea Level Rise

Authors: Katrina Schweikert*, Blue Marble Geographics
Topics: Hazards, Risks, and Disasters, Geographic Information Science and Systems, Applied Geography
Keywords: flooding, coastal flooding, climate change, hazards, Global Mapper, GIS, sea level rise
Session Type: Paper
Day: 4/11/2018
Start / End Time: 1:20 PM / 3:00 PM
Room: Napoleon B1, Sheraton 3rd Floor
Presentation File: No File Uploaded

Developed in conjunction with New England Environmental Finance Center (NEEFC) at the University of Southern Maine’s Edmund Muskie School of Policy Research, COAST (Coastal Adaptation to Sea level rise Tool) is a utility that helps planners and decision-makes assess the financial ramifications of sea level rise and coastal flooding. Using a GIS-based approach to gauge the impact of both short- and long-term sea level fluctuations, COAST facilitates the implementation of smart growth policies in coastal urban areas. Incorporated as a free extension within Blue Marble’s Global Mapper software, COAST allows communities to analyze specific mitigation strategies and adopt solutions to the address the unique needs of their community; whether it be from recurring coastal flooding events, predicted sea level rise, or natural disasters. Previously, this procedure would require several separate steps including data collection, developing modeling formulas, importing the data into a GIS, and creating an interactive presentation map. Utilizing the COAST platform, local officials can now accurately and efficiently model these flooding events and publish the data for public viewing. This presentation assesses some of the challenges in adopting this analytical technology and explores the benefits of this type of specialized GIS implementation.

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