Processing Biomass Inventory Point data in ArcGIS - GCF

Processing Biomass Inventory Point data in ArcGIS
1) Process an inventory point shapefile table to
create a file with only lat, long, and biomass
value
2) Select points only if at least two occur in the
same pixel
3) Remove all points that are within 50 meters
of the edge of a pixel
4) Average the biomass point values per pixel
5) Simplify and automate the process by using
an ArcGIS model

1) Process an inventory point shapefile table to create a file with only lat, long, and
biomass value
• Add the XY values to the shapefile table
• Delete unnecessary fields

2) Select points only if at least two occur in the same pixel
• Use Point to Raster Tool with “count” option
• Convert output frequency raster to polygons
• Select only those polygons that have 2 or
more sample points

3) Remove all points that are within 50 meters of the edge of a pixel
• Use Select by Location
tool
• Select those points that
intersect polygon pixel
boundaries
• Apply a negative search
distance (-50m)
• Save Selected points out
to a new point/shapefile

4) Average the biomass sample values per pixel
• Use the Point to Raster tool
with the “mean” option
• Next, convert the output raster
back to a point shapefile for
biomass modeling

5) Simplify and automate the process using an ArcGIS model