I am trying to split up the world into 2 categories based on elevation (below 2000m and above 2000m) while still including a country identifier. So in the end, I would like to have 2 types of units (low areas and high areas) for each country in the world, then I will use Spatial Analyst's Zonal Statistics to calculate the mean values of other rasters of interest in my defined areas. Does anyone have a suggestion for how to do this?
My data: - 16 DEM tiles for the world - 1 country borders shapefile
I am struggling with:
1)...working with all the DEM data at once on a global scale because I have been reading the mosaic-king across UTM zones distorts the data.
2)...whether my final units should be in raster form/ file geodatabase grid. I have heard that I should work in a file geodatabase and forget trying to have my final units be in shapefile form.
I know how to reclassify and have been successful at obtaining a raster with only two categories of elevation for each DEM tiles separately (above and below 2000m).
Any advice would be greatly appreciated, Liz