Download - Showcasing GIS Tools and Maps for Great Lakes Stormwater Workshop Cleveland, Ohio August 10, 2006
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Showcasing GIS Tools and Maps for
Great Lakes Stormwater WorkshopCleveland, Ohio
August 10, 2006
Kimberly Majerus
FHWA-Resource Center
Environmental Technical Services Team
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Stormwater, Water Quality, NPDES, Soils, Erosion, Sediment, Drainage, Impacts
Hydrology & water quality alteration –
physical, chemical, biological
To handle these various responsibilities – we need maps
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Step One: Identify Users & User Needs
Select Existing Data & Tools &
Eval Need for New Ones
Deliver Solutions & Tools & Measure Benefits
Assess Data Needs and Scale
(spatial & temporal)
Life Cycle toLife Cycle toMatch Match User NeedsUser Needs
Identify Available Data, Methods, Tools
& also Gaps
Use of GIS & Technology – How do we get there? Technology Life Cycle to Match User Needs
Design & Develop Data and Tools
& Maintenance Plan
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National Spatial Data Infrastructurewww.geo-one-stop.gov
Local Data & Uses
County/Parish
Regional & National
Share & Use- Free GIS Map Data at Various Levels
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Free GIS Data to Download from the Web (Great Lakes states listed, from National Spatial Data Infrastructure (NSDI))
Spatial GIS Data Online Web Clearinghouses:
NATIONWIDE SOURCES (NSDI) http://www.geo-one-stop.gov
ILLINOIS http://www.isgs.uiuc.edu/nsdihome/ISGSindex.html
INDIANA http://in-ulib-brayton.ads.iu.edu/MetadataExplorer/
MICHIGAN http://www.mcgi.state.mi.us/mgdl/
MINNESOTA http://www.lmic.state.mn.us/chouse/index.html
NEW YORK http://www.nysgis.state.ny.us/index.html
OHIO http://www.ohioview.org/search/
PENNSYLVANIA http://www.pasda.psu.edu/access/index.shtml
WISCONSIN http://www.sco.wisc.edu/wisclinc/
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Remote Sensing – Free Orthophotographs
Geographically referenced to the earth
(black/white or color of various scales) Presence of:
Impervious surfaces?
Water bodies?
Drainage patterns?
Comp storage?
------------------------New Cooperative Effort: Imagery for the Nation Free from Web at IL Geospatial
Data Clearinghouse, IDOT as partner
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GIS, Tools, Data, and MethodsExample Study - use of Free Data from the web
(floodplains, streams, orthos, elev, soils, trans, + more) National Spatial Data Infrastructure (www.geo-one-stop.gov)
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Free Map Data: U.S. Hydrologic Units (USGS)
(watersheds)
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GIS Tools & Data: Stormwater & Water Quality
Three Examples to Highlight:
• Cleveland, OH Pilot Research for WatTrans GIS & Decision Support System (DSS)
• NYSDOT mapping of drainage outfalls using GPS & GIS
• PA Stormwater & Water Data on Web – at PA State GIS Clearinghouse
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GIS-Based Decision Support System (DSS) - Ohio WatTrans Planning, Pilot Research for Cleveland area, OH
3 components OH DSS Tool as:1. GIS maps for project area -with viewer
2. DSS output (to consider potential effects in project area and watersheds and possible BMPs)
3. Links to more information using DSS as first step
Partners: USGS in OH, the Cuyahoga River Remedial Action Plan (RAP), USEPA, the Ohio Dept of Transportation, the Northeast Ohio Areawide Coordinating Agency and others.
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NYSDOT Drainage Outfall Mapping for State Pollutant Discharge Elimination System (SPDES)
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NYSDOT SPDES Outfall Mapping- example computer screen
More than 4000 drainage outfallshave been mapped using GPS and GIS
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Power Tools-Spatial Analysis: GIS -what no other tool can doIL GIS Predictive Modeling and Tools for Impact Assessment, Mitigation and Monitoring after construction
GIS Model Simulations:
Baseline “before” construction
Kkk
K
K
K
K
K
Predicted Model Results: “After” construction
Proposed Trans
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Throughout Project Delivery- use Data & Tools
Project Delivery Cycle: Planning, Studies, Drainage, Design, Construction, O&MEnvironmental Approvals, Commitments, and Monitoring
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GIS, Tools, and Data
Factors for Success(next pages to read as handout
For Great Lakes workshop)
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Step One: Identify Users & User Needs
Select Existing Data & Tools &
Eval Need for New Ones
Deliver Solutions & Tools & Measure Benefits
Assess Data Needs and Scale
(spatial & temporal)
Life Cycle toLife Cycle toMatch Match User NeedsUser Needs
Identify Available Data, Methods, Tools
& also Gaps
Use of GIS & Technology – How do we get there? Technology Life Cycle to Match User Needs
Design & Develop Data and Tools
& Maintenance Plan
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Formula for Success: Using GIS for In-House and Contracted Work
Determine - how data and GIS to be used, by who
Measure benefits of GIS: before and after
Can focus on one topic but keep the door open for
integrated analyses and decisions
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Formula for Success (cont): Using GIS for In-House and Contracted Work
Match scale & complexity to the decision
Include flexibility and scalability into tool
Pursue consistency in data development & delivery
Useful data is available and downloadable for free