Schools and Impervious Surfaces | dolan-gis-portfolio

Impervious Surfaces and Elementary Schools in Pierce County

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Schools and Impervious Surfaces

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Elementary School Feeder Zones and Impervious Surfaces

Polygons in this map represent potential feeder zones for elementary schools. The feeder zones are color-coded according to the percent of impervious surface on the grounds of each school.

Skills and techniques required:

Thiessen polygons
Zonal statistics
Conversion of raster datasets to vector features
Conversion of polygons to points
Data classification
Clip
Intersect
Raster extraction

February 2015

Pierce County Impervious Surfaces

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Impervious Surfaces in Pierce County

Impervious surfaces throughout Pierce County are symbolized using a grayscale color ramp. Elementary schools are represented and color-coded according to the amount of impervious surface present on their grounds, relative to other schools in the county.

Skills and techniques required:

Thiessen polygons
Zonal statistics
Conversion of raster datasets to vector features
Conversion of polygons to points
Data classification
Clip
Intersect
Raster extraction

February 2015

Urban and Non-Urban Schools

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Urban and Non-Urban Elementary Schools and Impervious Surfaces in Pierce County

This map displays the public elementary schools within the county classified as urban or non-urban. The relative amounts of impervious surfaces on the school grounds is visualized using a color-scale.

Skills and techniques required:

Thiessen polygons
Zonal statistics
Conversion of raster datasets to vector features
Conversion of polygons to points
Data classification
Clip
Intersect
Raster extraction

February 2015