brac rtf cgia progress report july 26, 2007. brac rtf task #10 cgia role mapping and analysismapping...

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

jeffrey.p.brown@ncmail.net

www.cgia.state.nc.us

www.nconemap.net