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A Solution to the Decision-making Process: GIS-based System for Winthrop's First Responders and Decision Makers During a Flood Evacuation Test Case: Evacuating Winthrop’s Elderly Population University of Massachusetts College of Management Honors Thesis Researcher: Michele N. Karas May 23, 2008 Presentation
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Winthrop, Massachusetts Coastal Community Peninsula of 1.6 square miles 7 miles of shoreline
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Demographic Characteristics: Total Population 18,303 + 20,000 Elderly > 65 3,024; 16.5% + 4,177; 22.8% (US Census Bureau 2000)
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Emergency Management Massachusetts Civil Defense Agency State EOC; National Guard; MDC Officials 1990s changed to ‘Emergency Management’ National level MEMA FEMA
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Planning on a Regional Level Tragedies of 9/11 November 2002, Homeland Security Act of 2002 January 2006, US Homeland Security Secretary Michael Chertoff – importance of regional cooperation UASI (Urban Area Security Initiatives) Metro-Boston Homeland Security and City of Boston’s Mayor Coalition
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Winthrop’s Emergency Management Agency
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Decision Makers Emergency Management Director Incident Commander: Fire Chief ‘advises & informs TM of incident’ Town Manager – declares ‘state of emergency’ & PIO
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First Responders Police Fire DPW EMT BOH IT
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Steps to Research Literature Review Hands-on Research & Analysis/Tools: Course work within the Science & Math College, since Jan 08’: EEOS265 – Computer Applications Geography EEOS261 –Statistics for Earth & Geographic Sciences EEOS381 – Applications of GIS
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Methodology GIS Data Model Overview Reality Conceptual Model Logical Model Physical Model Human-oriented Computer-oriented Increasing Abstraction
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Methodology: Reality Winthrop Coastal Storms Flooding Elderly residents Roadways Shelters – location and accessibility Evacuation routes - existing Elevation Storm Surge
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Spatial Analysis: Answering “What if” scenarios Mapping where things are Mapping density Finding what’s near by Patterns Normative Process: Develop or prescribe new or better designs (e.g. evacuation route)
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My Data Model: Objective Choose the best route of egress for evacuation route, Identify the area of residency of elderly population, Within Winthrop: Identify shelter in place and critical evacuation areas, Outside Winthrop: Identify shelters
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Data Collection Raster - Primary: Ortho/digital aerial photos Secondary: DEM Vector – points/lines/polygons Secondary: shape files, data layers, tables, database Commonwealth of MA - MassGIS – Office of Geographic and Environmental Information (Exec. Office of Energy and Environmental Affairs www.mass/gov/mgis
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Software used: Geodatabase & Map project ESRI: ArcGIS Desktop Version 9 ArcMap v9.2 ArcCatalog v9.2 ArcToolboxv 9.2
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Winthrop’s Geodatabase: Geodatabase Feature Classes: Town polygon Town survey (lines) Storm Surge Roads (EOT) shapefile Census 2000 Block Group data Schools shapefile (points) Town Halls shapefile Police Departments shapefile Fire Departments shapefile Hospital & Long Care Facilities shapefile
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Other data/Symbology: Analysis Data Used: DEM Ortho/aerial
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Steps to Identify Winthrop Evacuation Route Boston’s evacuation route Winthrop’s major roadways Winthrop’s points of exit
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Defining Winthrop’s evacuation route Fire Chief knowledge & history Past storms
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Defining Winthrop’s Elderly Population Census 2000 Blocks data Group > 65 yrs. Sub-group > 80 yrs.
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One Red & one Green Area: Review closer One Blue, one Green & one Yellow Area: in an area of categorized as > 6 ft above sea level. Persons in this area can be Sheltered in Place.
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Shelter in place
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Critical Evacuation Area
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Analysis: Schools for Shelters within Winthrop High School Middle School Fort Banks Elementary Cummings Elementary Criteria Location Accessibility
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Discarded School Shelter Sites High School Middle School Location Neither ADA Compliant
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Shelters in Winthrop Cummings School EOC Fort Banks DPW Bldg/Yard
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Transport to Shelters Outside of Winthrop High elevations Close to Winthrop Facilities: Care for elderly Food Medicine Amenities
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Don Orione Home 111 Orient Ave., East Boston Quigley Memorial Hospital 91 Crest Ave, Chelsea Soldiers Home 91 Crest Ave, Chelsea
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Q & A Thank you.
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