Spatial Analysis and Decision Assistance (SADA)
Developed for USEPA, SADA is free software that incorporates tools from environmental assessment fields into an effective problem solving environment. These tools include integrated modules for visualization, geospatial analysis, statistical analysis, human health risk assessment, ecological risk assessment, cost/benefit analysis, sampling design, and decision analysis. The capabilities of SADA can be used independently or collectively to address site specific concerns when characterising a contaminated site, assessing risk, determining the location of future samples, and when designing remedial action. A fully functional freeware version is available from http://www.tiem.utk.edu/~sada/index.shtml. SADA is developed in The Institute for Environmental Modeling at the University of Tennessee.
For radiological assessments, the SADA model enables initial screening tier assessments to be conducted spatially (utilising parameters from RESRAD-BIOTA)
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