Land Cover Project (EPAN 2010)
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Transcript of Land Cover Project (EPAN 2010)
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Jefferson County CommissionPatrick Corley GIS Internship
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Trails
Legend Hiking/Biking Trails
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ExperienceDigitizing Attribution UpdatingCartography
SignificanceTool to illustrate lack of trail networking and
to plan new trailsTourism
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Subdivisions
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Before
After
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ExperienceEditing FeaturesGeoreferencing
SignificanceCurrent data for future planning and land-use
research
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Zip Codes
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SignificanceProvide data to Postal Service to assign more
accurate addressingHelp eliminate public safety concern
*Status: Under Review*
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Landcover
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2007
2009
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2007
2009
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2007
2009
Before• “Blobby” buildings• Tree Canopy overhanging
roads• Underrepresented sidewalks
After• Better footprints• Cleaned up roads
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LC_type Preedit Area(Sq. Ft.) Postedit Area(Sq. Ft.) Difference(Sq. Ft.) % ChangeTree Canopy 4595555.16 4657121.46 61566.30 1.3%Grass/Shrub 1920557.55 1705835.42 -214722.13 -11.2%Bare Soil 13303.93 47810.87 34506.94 259.4%Water 396.00 23490.03 23094.03 5831.8%Building 1325575.46 1112009.44 -213566.02 -16.1%Road/Railroad 954659.91 1085528.50 130868.59 13.7%Other Paved 1072573.43 1250833.04 178259.61 16.6%
Landcover Analysis
Decrease in Building area
Increase in Paved Surface area
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Thanks!
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Questions or Comments?