| Name: | Durham City Impervious Areas - Paved (acquired 10/2009) |
| File Format: | Shapefile |
| Location on Campus AFS: | /afs/isis/data/gis/local/durham/durham2009/Durham_Impervious_Paved.* |
| Parent Data Layer Set Physical Location: |
Campus Network |
| Parent Data Layer Set Call Number: | N/A |
| Source: | City of Durham |
| Scale: | N/A |
| Spatial Resolution: | N/A |
| Restrictions: | Licensed. UNC-CH students, faculty, and staff only. For teaching and research use only, not for commercial use, not for redistribution. Copyright law applies to all uses of the data. Publication of images is restricted to static renditions (e.g. .gif, .jpeg, etc.) that are plotted, printed, or publicly displayed with proper metadata and source/copyright attribution to the respective data vendor(s). |
| Publication Year: | 2009 |
| Date of Content: | N/A |
| Data Type: | Polygon |
| Map Units: | Feet |
| Datum: | NAD 83 |
| Projection: | State Plane (Feet) North Carolina |
| Bounding Coordinates: | -79.006976 West -78.773492 East 36.135975 North 35.866357 South |
| Global Spatial Extent: | N |
| Spatial Extent, Countries/Territories Include: | United States |
| Spatial Extent, States Include: | North Carolina |
| Spatial Extent, Counties Include: | North Carolina: Durham |
| Thematic Category(ies): |
Boundaries Additional data layers in this category: Boundaries |
| Keywords: | durham, durham city, impervious, paved, parking lots |
| This layer is from the following Data Layer Set: | Durham City/County Data |
| For Additional Information, see: | http://www.ci.durham.nc.us/departments/gis/ |
| Notes: | This data was acquired October 2009. If you need more recent data, contact the GIS Librarian. Contact information is available at the bottom of this page. This feature class represents impervious paved areas in the City of Durham. Impervious areas are surfaces that impede the normal infiltration of precipitation into the ground. Examples of impervious surfaces include rooftops, driveways, and parking areas. Polygons representing paved areas based on the Paved feature code in the Impervious attribute column were extracted from the Durham Impervious Surface Feature Dataset to create the Durham_Impervious_Paved file. It is recommended that users set transparency to 60% when using orthoimagery or satellite imagery as a base layer. To facilitate the administration of the Stormwater Utility Fee, which is calculated from the amount of impervious surface on a parcel. As of January 2006, through the creation of the Public Works Stormwater Services Billing Unit, an effort is underway to make changes according to recent development and improve the general quality of impervious area data. |
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