DEFINITION
Hazard Mapping

The process of mapping hazard information within a study area of varying scale, coverage, and detail. Mapping can be of a single hazard such as fault maps and flood plain maps or several hazard maps can be combined in a single map to give a composite picture of natural hazards. The benefit of the individual mapping technique is a visual form of information for decision makers and planners, which is easily understood. Multiple hazard maps provide the possibility of common mitigation technique recommendations; sub-areas requiring more information, additional assessments, or specific hazard-reduction techniques can be identified; and land-use decisions can be based on all hazard considerations simultaneously. The limitations of the technique are that the volume of information needed for natural hazards management, particularly in the context of integrated development planning, often exceeds the capacity of manual methods and thus drives the use of computer assisted techniques.

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