GIS 5100 LAB 6 Blog Post #2

Beginning with the roads shapefile, I used the geoprocessing tool Euclidean Distance to establish cell values for the distance from the roads. From there, I used the geoprocessing tool Reclassify to reclassify the values according to suitability, as outlined in the laboratory guide. Moving onto elevation, I reclassified the values depending on suitability, and again, outlined in the laboratory guide. Landcover was completed similarly, except when using Reclassify I had to select unique values to assign a suitability value to each landcover value. After all the layers were properly reclassified, I used the Weighted Overlay tool to combine the three previously mentioned layers and used the relative weights listed in the laboratory guide. To invert the suitability model which was created with the Weighted Overlay tool, I inverted graduated red symbology. After, I had used the raster calculator with the expression ((10) – “my weighted reclass layer”). Once I had the raster layer with 9 suitability values, I used the Corridor geoprocessing tool with the raster layer with 9 suitability values specified as the input cost distance raster and the weighted reclass specified as the input cost distance raster 2 which gave me a raster that correlated the lowest in suitability values as the areas most suitable for black bears. I then created a raster only containing suitability values 0-9, I decided that a halfway point in between the total value of 18 would suffice. To accomplish this, I used the raster calculator with the expression (“my previous layer from the raster calculator” < (8)). I changed the symbology to only show the suitable sites (value = 1) in green. Transitioning to the creation of my map, I used the Hillshade geoprocessing tool with a increased transparency to demonstrate the elevational differences of the area. To only show the suitable areas in the boundaries of Coronado Forest, I used Clip Raster with maintain clipping extent and use input features for clipping geometry checked. I used the same process for both national forest boundary areas.  

 

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