gis analysis in public safety denise stuckey gis production manager
DESCRIPTION
GIS ANALYSIS IN PUBLIC SAFETY Denise Stuckey GIS Production Manager The Schneider Corporation. GIS Data. Sites layer Parcels Centerlines Neighborhood boundaries Corporate Limits Police Beats ESZ/ESN boundaries. Types of Analysis with GIS. - PowerPoint PPT PresentationTRANSCRIPT
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GIS ANALYSISIN
PUBLIC SAFETY
Denise Stuckey GIS Production Manager
The Schneider Corporation
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GIS Data
Sites layer Parcels Centerlines Neighborhood boundaries Corporate Limits Police Beats ESZ/ESN boundaries
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Types of Analysis with GIS
Hot Spot analysis Incident Mapping Buffering areas for evacuation Sex Offender Registry
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Hot Spot Analysis
Definition – areas of concentrated crime
The area has a greater than average number of criminal events or an area where people have a higher than average risk of victimization
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Crime Theories
Place Theories Street Theories Neighborhood Theories
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Hot Spots - Points
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Hot Spots - Linear
Repeat Streets Major thoroughfares face higher
crime risks than side streets Higher concentration of gas stations,
restaurants, convenience stores, and retail businesses
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Hot Spots - Linear
Drug Dealers
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Hot Spots - Polygons
Gradient maps – imply a continuous gradient of risk within a hot spot.
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Incident Mapping
Tracking Crime, accidents, incidents
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Buffering Areas
Evacuations
Crime Alert – automated call back system
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Evacuations
Chemical Spills Factory Fires
– Plume Modeling
Natural Disasters
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Factory Fire
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Crime Alert
Amber Alert Suspect in the area
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Sex Offender Registries
Megan’s Law Web applications for citizens to find
sex offenders in their communities In-house maps for police to track and
verify location of sex offenders Pierce County, Washington
– 2,100 registered sex offenders and kidnappers
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Pierce County, WA
Citizen Website– Able to search ½ mile radius from
specified address to find registered sex offenders
– Output is a map and a detailed list of all sex offenders in the area
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Levels of Sex Offenders
Three Levels Level 3 – most like to repeat crime Displays a picture, address and list of
past crimes of the individual
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Geographic Map
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Sex Offender Report
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Sex Offender Registry
Public Use of website– Must be kept current– Police Dept updates map via the internet
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Sex Offender Registry
Maps – Updates coming due– Concentrations of sex offenders– Buffer areas where children are known to
be Indiana Law – Sex Offenders cannot live closer
than 1000 feet of a school property– Property line or house?
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Sex Offender Registry
Must be absolutely sure the right information is on the website
Must keep it up to date
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Conclusion
GIS can help manage Public Safety information
Determine hot spots Determine where concentration of
police forces need to be Determine evacuation routes Access to current Sex Offender
information