Name: Water Flow Regulation / Flood Control

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Description: <DIV STYLE="text-align:Left;"><P><SPAN>The GIV 2.2 is the foundation for developing the approximate value of water flow regulation and flood control services provided by the GIV in the CMAP region. Using ArcGIS for Desktop 10.2.2 we built GIS models within the Model Builder environment. The resulting valuation from literature review and expert opinion was spatially explicit and transferred to the GIV layers using raster analysis (cell size = 30mX30m). Each cell was assigned a dollar value according to landscape type. The GIV layers were mosaicked into one raster layer and always preserving the maximum value assigned to each cell when there was any overlap between the layers. Having a dollar value for each cell allowed us to calculate the total value in dollars provided by the GIV for water flow regulation and flood control. Values range from $1,603/acre/year - $37,000 acre/year.</SPAN></P></DIV>

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