Durham_ImperviousArea

Metadata also available as

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: City of Durham Public Works
Publication_Date: September 2007
Title: Durham_ImperviousArea
Edition: release 200709
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: \\REF017\C$\durham\Durham_ImperviousArea.shp
Description:
Abstract:
Release 200709
This feature class represents impervious 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. It is recommended that users set transparency to 60% when using orthoimagery or satellite imagery as a base layer.
Purpose:
To facilitate the administration of the Stormwater Utility Fee, which is calculated from the amount of impervious surface on a parcel.
Supplemental_Information:
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.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1994
Ending_Time: 2007
Currentness_Reference: ground condition
Status:
Progress: In work
Maintenance_and_Update_Frequency: Daily
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -79.006976
East_Bounding_Coordinate: -78.773492
North_Bounding_Coordinate: 36.135975
South_Bounding_Coordinate: 35.866357
Keywords:
Theme:
Theme_Keyword_Thesaurus: [THESAURUS]
Theme_Keyword: Impervious Area
Access_Constraints: [ACCESS CONSTRAINTS]
Use_Constraints:
Private Use Policy: No use for resale or commercial purposes, as defined in North Carolina General Statute Chapter 132-10, is permitted.
Commercial Use Policy: The purpose of this Policy is to address GIS data distribution requests by an individual or organization that intends to use Durham's GIS data for commercial purposes. This Policy includes product availability,distribution methods, and product costs. The requester is required to use a GIS Data Distribution Application for Commercial Use. None of the GIS data purchased through this Policy shall be published by the requestor without the City's explicit written consent, nor shall the requestor permit any other party to publish the data. For example, to make this data available over the Internet is prohibited as a form of publication. This Policy shall apply to all GIS Data used for commercial purposes.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Edward Cherry
Contact_Organization: Stormwater Services Billing Unit, City of Durham, NC
Contact_Position: GIS Coordinator
Contact_Voice_Telephone: 919-560-4326 x261
Contact_Facsimile_Telephone: 919-560-4316
Contact_Electronic_Mail_Address: Edward.Cherry@durhamnc.gov
Hours_of_Service: M-F 8AM - 5PM
Data_Set_Credit: [CREDITS]
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.0.1770

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: [ATTRIBUTE ACCURACY REPORT]
Logical_Consistency_Report: [LOGICAL CONSISTENCY REPORT]
Completeness_Report:
The original Impervious Area data was collected by Ogden Environmental in 1994, and non-residential parcels were updated in 1999. City staff have maintained data since. Impervious Area data was not current for many parcels in January 2006 when the Stormwater Services Billing Unit was created. New development is being added and other parcels are being edited where data is not up to date.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Horizontal accuracy is dependent on the source data from which impervious area polygons are digitized. The most accurate and reliable source data used in the creation of impervious area data is orthophotography from 2005, which meets National Map Accuracy Standard (90% of well identified structures within 2.5 ft) and American Society of Photogrammetry and Remote Sensing standard limiting RMSe for 1" = 100' mapping in X and Y equal to or less than 1 foot. Other source data include georeferenced permit drawings, GPS data and satellite imagery.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: [VERTICAL ACCURACY REPORT]
Lineage:
Source_Information:
Source_Scale_Denominator: [SOURCE SCALE]
Type_of_Source_Media: [MEDIA]
Source_Citation_Abbreviation: [CITATION]
Source_Contribution: [SOURCE CONTRIBUTION]
Process_Step:
Process_Description: [PROCESS STEP]
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: C:\DOCUME~1\CarlS\LOCALS~1\Temp\xml9D.tmp
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: C:\DOCUME~1\CarlS\LOCALS~1\Temp\xmlAB.tmp
Process_Step:
Process_Description: Metadata imported.
Source_Used_Citation_Abbreviation: C:\DOCUME~1\CarlS\LOCALS~1\Temp\xml8C.tmp
Process_Step:
Process_Description: Dataset copied.
Source_Used_Citation_Abbreviation:
Server=tax_sql; Service=5153; User=publicworks; Version=sde.DEFAULT

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 174152
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 32309
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 6
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: G-polygon
Point_and_Vector_Object_Count: 6

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Lambert Conformal Conic
Lambert_Conformal_Conic:
Standard_Parallel: 34.333333
Standard_Parallel: 36.166667
Longitude_of_Central_Meridian: -79.000000
Latitude_of_Projection_Origin: 33.750000
False_Easting: 2000000.002617
False_Northing: 0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000000
Ordinate_Resolution: 0.000000
Planar_Distance_Units: survey feet
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Resolution: 1.000000
Altitude_Encoding_Method:
Explicit elevation coordinate included with horizontal coordinates

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: Durham_ImperviousArea
Attribute:
Attribute_Label: SHAPE
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: SOURCE
Attribute:
Attribute_Label: PARCEL_ID
Attribute:
Attribute_Label: CREATEDATE
Attribute:
Attribute_Label: MODIFYDATE
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: CO_DATE
Attribute:
Attribute_Label: EDITEDBY
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: CITY_INDEX
Attribute:
Attribute_Label: VERIFIED
Attribute:
Attribute_Label: VERIFICATI
Attribute:
Attribute_Label: IMPERVIOUS
Attribute:
Attribute_Label: area
Attribute:
Attribute_Label: len
Detailed_Description:
Entity_Type:
Entity_Type_Label: PublicWorks.PUBLICWORKS.ImperviousArea_HISTORY
Attribute:
Attribute:
Attribute:
Attribute:
Attribute:
Attribute:
Detailed_Description:
Entity_Type:
Entity_Type_Label: PublicWorks.PUBLICWORKS.CityIndex
Attribute:
Attribute:
Attribute:
Attribute:
Attribute:
Attribute:

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: City/County of Durham GIS Department
Contact_Voice_Telephone: 919-560-4082
Contact_Facsimile_Telephone: 919-560-4808
Contact_Electronic_Mail_Address: gis@ci.durham.nc.us
Hours_of_Service: 8AM-5PM (Monday-Friday)
Resource_Description: [RESOURCE DESCRIPTION]
Distribution_Liability:
The requester agrees that the City of Durham and County of Durham shall not be held liable for any errors in the data provided to the requester as a result of the requester's application. This includes errors of omission, commission, errors concerning the content of the data, and relative and positional accuracy of the data. The data cannot be construed to be a legal document. Primary sources from which the data have been compiled must be consulted for verification of the information contained in this data. Information regarding the location of primary sources can be provided upon request.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ArcInfo Export File
Transfer_Size: 71.191
Fees: $ 25.00
Ordering_Instructions:
Via E-mail or FTP:
Customers can receive digital data via e-mail for small area coverage. For a larger area or countywide digital data, customers can receive data by accessing Durham's FTP (File Transfer Protocols) site. To access the FTP site, customers must obtain permission and a logon code will be provided when payment is received.
To order via Internet, customers can download a request form from Durham's Internet Site: www@ci.durham.nc.us and e-mail a request to: gis@ci.durham.nc.us.
CD-ROM and other media:
Digital data are also available on CD-ROM, 8MM tape, and diskette. Customers can purchase digital data on CD-ROM at the GIS Department, the Public Works Department, the Planning Department, and the Tax Assessor's Office.
Custom_Order_Process: [CUSTOM ORDER PROCESS]
Technical_Prerequisites: [TECHNICAL PREREQUISITES]

Metadata_Reference_Information:
Metadata_Date: 20090429
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: City of Durham Public Works
Contact_Person: Edward Cherry
Contact_Position: GIS Coordinator
Contact_Address:
Address_Type:
REQUIRED: The mailing and/or physical address for the organization or individual.
City: REQUIRED: The city of the address.
State_or_Province: REQUIRED: The state or province of the address.
Postal_Code: REQUIRED: The ZIP or other postal code of the address.
Contact_Voice_Telephone: 919-560-4326 x228
Contact_Facsimile_Telephone: 919-560-4316
Contact_Electronic_Mail_Address: Edward.Cherry@durhamnc.gov
Hours_of_Service: M-F 8-5
Contact_Instructions: prefer email
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

Generated by mp version 2.9.6 on Wed Apr 29 15:06:29 2009