GIS Development at Westchester County Airport
Transcrição
GIS Development at Westchester County Airport
2003 NEW YORK STATE GEOGRAPHIC INFORMATION SYSTEMS CONFERENCE GIS Development at the Westchester County Airport Deborah Parker GIS Specialist A number of infrastructure datasets, developed in AutoCAD format for the Department of Public Environmental data includes catch basins mapped using GPS at an accuracy of +/- 15 ft. Spring 2003, GIS staff initiated a project to inventory and consolidate spatial datasets into desktop Works, were converted to ArcView shapefiles and projected to NAD83 State Plane New York developed at less than basemap accuracy, these data, used in conjunction with layers such as (1) GIS and web mapping applications. East. These were found consistent with the county s 100-scale orthophoto basemap. estimated surface flow direction and (2) aircraft deicing zones, highlight areas [left of center] where The Westchester County Airport is one of the most intensely used public facilities in the county. In The project will provide inter-departmental access to data supporting environmental management, long range and capital planning, and security functions. GIS data developed by contractors for the Environmental Management System have also been incorporated. Hazardous materials storage and Though careful management could reduce the risk of contamination in the event of a fuel or chemical spill. Data currency and transfer areas at the airport have maintenance issues also been delineated, showing will be especially above-ground and underground important in serving tanks, and ownership attributes. the airport's GIS needs. Through the browser interface, Note major revisions to infrastructure and environmental the taxiway in this area. information is readily available for planning and rapid response to emergencies. The browser-based intranet application (bottom) will be expanded to include several hundred DPW as-builts and plan drawings (in Tiff format), scanned and cataloged in Top: April 2000 basemap orthophotos. Bottom: October 2002 geo-referenced aerial [30 months later]. 1995, as well as groundwater and noise monitoring sites, noise contours, and other relevant spatial data. Edge of pavement data, developed from the 2002 Attribute information has yet to be developed for some of these spatial data sets, but the browser image, is overlaid on both. interface already improves work flow by consolidating information in a single source, and provides DPW staff with basic mapping tools for printing, construction project mark-outs, and other tasks. Westchester County Geographic Information Systems Department of Information Technology 148 Martine Avenue Rm 305 White Plains, New York 10601 Tel: 914-995-3888 Fax: 914-995-3269 [email protected] HTTP://GISWWW.WESTCHESTERGOV.COM
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