The Use Of Geo-Information In Eco-Drr: From Mapping To Decision Support

ECOSYSTEM-BASED DISASTER RISK REDUCTION AND ADAPTATION IN PRACTICE(2016)

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Abstract
Ecosystem services can play an important role as measures for disaster risk reduction. At the same time it is important to find out where and how ecosystem-based disaster risk reduction really can make a difference. If we want to find out what will be the effect of alternative risk reduction measures, how ecosystem services can play a role in this context, and how they compare with other types of interventions, then there is a clear role for geo-information. Geographical information, such as obtained from spatial-temporal simulation modelling and spatial multi-criteria evaluation, is used for analyzing and monitoring what could be the effect of alternative development scenarios on the exposure to natural hazards, or of different combinations of engineered, ecosystem-based and other non-structural risk reduction measures. This helps to set management priorities and propose actions for risk reduction and risk-informed spatial planning. With the help of a spatial decision support system, the effect of risk reduction alternatives and their effect on risk reduction - now and in the future - can be analyzed and compared. This can support the selection of 'best' alternatives. The recently developed RiskChanges is presented, which is a web-based, open-source spatial decision support tool for the analysis of changing risk to natural hazards. It is envisaged that the use of the RiskChanges will support the provision of relevant geo-information about risk and changes in risk, and thus provides input for structured risk reduction-, disaster response-, and spatial development-planning.
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Key words
GIS, Planning, Spatial Decision Support System (SDSS), Simulation modelling, Uncertainty
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