Decision Support Mapping
Definition
Decision Support Mapping is the use of GIS to assist decision-makers in understanding spatial data and identifying optimal solutions based on various criteria. These maps combine data visualization, analysis, and multi-criteria evaluation tools to help guide planning, investment, policy, and emergency response. They are tailored to highlight areas of opportunity, risk, or need based on user-defined goals or scenarios.
Application
In urban planning, decision support maps help choose development sites based on zoning, transportation access, and land cost. In conservation, they identify high-biodiversity areas under threat. In disaster response, they show evacuation routes and shelters. GIS platforms integrate analytical models, overlays, and dashboards to create interactive maps that support stakeholder discussion and resource allocation. These maps often use scoring, weighting, and suitability models to present ranked options or recommended paths forward.
FAQ
What is the goal of decision support mapping?
To help users make informed, spatially-aware decisions using analytical and visual tools.
How does it differ from regular mapping?
It goes beyond visualization to incorporate multi-criteria analysis, modeling, and scenario evaluation.
Who uses decision support maps?
Planners, policymakers, environmental managers, health agencies, and emergency responders.
What makes a good decision support map?
Clear objectives, reliable data, relevant criteria, interactive tools, and accessible visualization.