Description: Steep Slope Hazard (&gt;15%).<div><span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;"><br /></span></div><div><span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;">This geospatial dataset was created for the City of Pullman, Washington as a seamless 3-foot pixel resolution slope image, produced from the DEM derived for Strategic Alliance for Risk Reduction II, Whitman County, Washington Terrain Data Development, Federal Emergency Management Agency - https://hazards.fema.gov.</span></div><div><span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;"><br /></span></div><div><font face="Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif"><span style="font-size:16px;">The Slope raster data was classified and pixels &gt;15% were exported to polygons. The polygons were simplified retaining critical bends (Wang-Muller). Simplification tolerance (diameter of a circle that approximates a significant bend) is 10 ft and minimun area (polygons below minimum area are eliminated) is 100 ft.</span></font></div><div><span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;"><br /></span></div><div><span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;"><br /></span></div><div><div style><font face="Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif"><span style="font-size:16px;">with arcpy.EnvManager(transferGDBAttributeProperties=&quot;NOT_TRANSFER_GDB_ATTRIBUTE_PROPERTIES&quot;):</span></font></div><div style><font face="Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif"><span style="font-size:16px;"> arcpy.cartography.SimplifyPolygon(&quot;VectorizedSteepSlope&quot;, &quot;VectorizedSteepSlope_Simplify&quot;, &quot;BEND_SIMPLIFY&quot;, &quot;10 Feet&quot;, &quot;100 SquareFeet&quot;, &quot;RESOLVE_ERRORS&quot;, &quot;KEEP_COLLAPSED_POINTS&quot;, None)</span></font></div></div>
Service Item Id: 414ba62fdd1d4064978be3276f34b353
Copyright Text: City of Pullman GIS | Strategic Alliance for Risk Reduction II, Washington Terrain Data Development, Federal Emergency Management Agency - https://hazards.fema.gov.
Description: <span style="font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;">The landslide and erosion hazard areas were derived from an analysis done by Economic and Engineering Services, Inc. published in October 2002.</span>
Service Item Id: 414ba62fdd1d4064978be3276f34b353
Copyright Text: City of Pullman GIS | Economic and Engineering Services, Inc.