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Published byHubert Randall Modified over 8 years ago
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Assessing the Tree Canopy in Jefferson County, WV Jarlath O’Neil-Dunne University of Vermont Spatial Analysis Laboratory
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Tree Canopy Assessment QuestionsAnswers How much tree canopy do we have? How much tree canopy could we have? Who “owns” the tree canopy? What is the distribution of the tree canopy?
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Approach High resolution Object based >95% accuracy Realistic representation Land Cover Mapping Summary statistics Scalable Relevant TC Metrics Reports Database tables Spreadsheet Maps Products
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Tree Canopy Assessment Classes Existing TC Possible TC Impervious Vegetation
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Leveraging Existing Investments Buildings Transportation LiDARImagery
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Comparison to National Datasets National Land Cover Dataset National Land Cover Dataset TC Land Cover TC Land Cover 38% 30% Color Infrared Aerial Imagery Color Infrared Aerial Imagery TC Estimates Derived from 2007 aerial imagery, 1m resolution Derived from 2001 satellite imagery, 30m resolution
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Land Cover Metrics
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County TC Metrics 133661 133661 acres of land (excludes water) 50603 50603 acres of Existing TC 75807 75807 acres of Possible TC that is grass/shrub 3055 3055 acres of Possible TC that is impervious 4197 4197 acres are not suitable for tree canopy (building, water, and transportation)
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Municipal Analysis
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Municipal TC Metrics
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Zoning Analysis
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Zoning TC Metrics
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Urban Growth Center Analysis
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Urban Growth Center TC Metrics
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Hydrologic Basin Analysis
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Hydrologic Basin TC Metrics
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Slope Analysis DEM Old Slope Classes New Slope Classes
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Slope TC Metrics New Slope Classes Old Slope Classes
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Blue Ridge Mountains Analysis
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Comparison to Other Cities
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