Embed Size (px)
Citation preview
BRAC RTFBRAC RTF
CGIACGIA
Progress ReportProgress Report
July 26, 2007July 26, 2007
BRAC RTF Task #10BRAC RTF Task #10
CGIA role CGIA role • Mapping and analysisMapping and analysis• Geographic Information SystemsGeographic Information Systems• Support to regional planningSupport to regional planning
BRAC RTF Task #10BRAC RTF Task #10
CGIA scope of workCGIA scope of work• Analysis and mapping for Joint Land Use Analysis and mapping for Joint Land Use
StudyStudy• Expand Sustainable Sandhills to 11 Expand Sustainable Sandhills to 11
countiescounties• Add a future perspective to land Add a future perspective to land
suitability mapssuitability maps
Joint Land Use StudyJoint Land Use Study
Incorporated areasIncorporated areas Population densityPopulation density Developed landDeveloped land Non-developed landNon-developed land Wetlands, flood zones, watershedsWetlands, flood zones, watersheds Tax parcels (urban and rural)Tax parcels (urban and rural)
Status of JLUS MappingStatus of JLUS Mapping
Base maps completedBase maps completed Parcel analysis in draft formParcel analysis in draft form Land suitability analysis nextLand suitability analysis next Other mapping to support light and Other mapping to support light and
communication studies to followcommunication studies to follow
Regional Maps and AnalysisRegional Maps and Analysis
Collaboration with Sustainable Collaboration with Sustainable SandhillsSandhills
11-County Region11-County Region Land Suitability AnalysisLand Suitability Analysis
Land Suitability ModelsLand Suitability Models
Relative values across the landscape Relative values across the landscape Distinct areas -- variationDistinct areas -- variation Suitability for different usesSuitability for different uses Areas suitable for more than one useAreas suitable for more than one use
Suitability ModelsSuitability Models
IndustrialIndustrial CommercialCommercial ResidentialResidential Natural areasNatural areas Sustainable farmlandSustainable farmland Working forestsWorking forests
ApproachApproach
Sustainable Sandhills Sustainable Sandhills • Land use teamLand use team• Regional workshopRegional workshop• County workshopsCounty workshops• Focus groupsFocus groups
Set of Suitability MapsSet of Suitability Maps
Project QuestionsProject Questions
What makes an area most suitable What makes an area most suitable for each of the six types (criteria)?for each of the six types (criteria)?
Where are those areas (map)?Where are those areas (map)? How much area (table)?How much area (table)?
ExampleExample
Commercial developmentCommercial development• Map “layers”Map “layers”• Combined ratingsCombined ratings• Maps and numbersMaps and numbers
Populationdensity andmedianhouseholdincome
Distance fromprimary roads(US and NC)
Public sewerservice
(in or near aservice area)
Public waterservice
(in or near aservice area)
Slope:
white is moststeep
black isleast steep
Wet soils
Hydric soils:A is wetmore oftenthan B
Hydric A (red)Hydric B (darkgray)
Light gray areasdo not havehydric soils
Flood zones (blues)
Wetlands(purple)
Criticalwater supplywatersheds(red)
Conservedlands(green)
Commercialsuitability
Results leaving out military bases, conserved lands, and water related areasResults leaving out military bases, conserved lands, and water related areas
The NumbersThe Numbers
Cells are 98.4 by 98.4 feet or 9,687 square feet
Acre is 43,560 square feet
Convert count of cells to acres
Industrialsuitability:
red is highsuitability,then orange,then yellow
green are least suitable
Industrial: Results leaving out military bases, conserved lands, and water related areasIndustrial: Results leaving out military bases, conserved lands, and water related areas
ResidentialSuitability:
Resultsleavingoutmilitarybases,protectedlands,lakes,andcriticalwatersupplywatershedareas
Residential:
ResultswithNC and USHighways(black)
NaturalAreas
Farmland
Forests:Forests:
Results Results leaving out leaving out military military bases, bases, developed developed lands and lands and lakeslakes(dark gray)(dark gray)
Note:Note:Lands withLands withconservation conservation status may status may have have working working forestsforests
Status of Regional AnalysisStatus of Regional Analysis
6 maps complete6 maps complete Integration of the 6 perspectives in Integration of the 6 perspectives in
processprocess Generate a future perspectiveGenerate a future perspective Identify web tools for displaying Identify web tools for displaying
project mapsproject maps
BRAC RTF
Document prepared by Jeffrey BrownNC Center for Geographic Information and Analysis
www.cgia.state.nc.us
www.nconemap.net
