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Large-Scale Digital Raster Graphic (DRG) for the Holmes-Tripp Run Watershed (htr_drg24.tif)

Identification_Information:

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Conservation Management Institute

Contact_Person: Laura Delarche Roghair

Contact_Position: Research Associate

Contact_Address:

Address_Type: mailing and physical address

Address: 203 W. Roanoke St.

City: Blacksburg

State_or_Province: Virginia

Postal_Code: 24061

Country: USA

Contact_Voice_Telephone: (540) 231-7348

Contact_Facsimile_Telephone: (540) 231-7019

Contact_Electronic_Mail_Address: lola@vt.edu

Hours_of_Service: Normal business hours

Citation:

Citation_Information:

Originator: Conservation Management Institute (CMI)

Online_Linkage:: http://dc-urbanbiodiversity.nbii.gov/urbin_gis_data/Htrw/downloads/Rasters/Htr_drg24.zip

Originator: College of Natural Resources

Originator: Virginia Polytechnic Institute & State University

Publication_Date: Unpublished Material

Title:: Large-Scale Digital Raster Graphic (DRG) for the Holmes-Tripp Run Watershed (htr_drg24.tif)

ftname: htr_drg24.tif

Geospatial_Data_Presentation_Form: remote-sensing image

Native_Data_Set_Environment:: Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.2.0.700

Description:

langdata: en

Abstract:: Large-scale topographic map of the Holmes-Tripp Run Watershed; dataset was derived from USGS 1:24,000 Digital Raster Graphics (DRGs).

Purpose:: Acquisition and synthesis of available geospatial data for the Urban Biodiversity Information Node (UrBIN) of the National Biological Information Infrastructure (NBII).

Time_Period_of_Content:

Currentness_Reference: publication date

Time_Period_Information:

Single_Date_Time:

Calendar_Date: October 2002

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -77.230693

East_Bounding_Coordinate: -77.046307

North_Bounding_Coordinate: 38.903743

South_Bounding_Coordinate: 38.771217

lboundng:

leftbc: 11844781.740565

rightbc: 11896604.028796

bottombc: 6967180.450594

topbc: 7014682.881516

Keywords:

Theme:

Theme_Keyword_Thesaurus: none

Theme_Keyword: htr_drg24

Access_Constraints: none

Use_Constraints: none

natvform: Raster Dataset

Data_Quality_Information:

Lineage:

Process_Step:

Process_Description:: Converted the downloaded USGS Alexandria, Annandale, and Falls Church quads (38077g1, 38077g2, and 38077h2) from TIFF to ESRI grid format; reprojected datasets; set background cells to null; mosaicked into single grid; clippped to the Holmes-Tripp Run watershed polygon; modified colormap file; converted to TIFF format; defined projection.

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Raster

Raster_Object_Information:

Raster_Object_Type: Pixel

Row_Count: 5938

Column_Count: 6478

rastxsz: 7.999736

rastysz: 7.999736

rastbpp: 8

Vertical_Count: 1

rastorig: Upper Left

rastcmap: TRUE

rastcomp: None

rastband: 1

rastdtyp: pixel codes

rastplyr: FALSE

rastifor: TIFF

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: row and column

Coordinate_Representation:

Abscissa_Resolution: 7.999736

Ordinate_Resolution: 7.999736

Planar_Distance_Units: survey feet

Grid_Coordinate_System:

Grid_Coordinate_System_Name: State Plane Coordinate System

State_Plane_Coordinate_System:

SPCS_Zone_Identifier: 4501

Lambert_Conformal_Conic:

Standard_Parallel: 38.033333

Standard_Parallel: 39.200000

Longitude_of_Central_Meridian: -78.500000

Latitude_of_Projection_Origin: 37.666667

False_Easting: 11482916.666667

False_Northing: 6561666.666667

cordsysn:

projcsn: State Plane Coordinate System 1983

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

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Band_1

enttypt: Table

enttypc: 256

Attribute:

Attribute_Label: ObjectID

attalias: ObjectID

attrtype: OID

attwidth: 4

atprecis: 0

attscale: 0

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: Value

attalias: Value

attrtype: Integer

attwidth: 0

atprecis: 0

attscale: 0

Attribute:

Attribute_Label: Red

attalias: Red

attrtype: Double

attwidth: 0

atprecis: 0

attscale: 0

Attribute:

Attribute_Label: Green

attalias: Green

attrtype: Double

attwidth: 0

atprecis: 0

attscale: 0

Attribute:

Attribute_Label: Blue

attalias: Blue

attrtype: Double

attwidth: 0

atprecis: 0

attscale: 0

Distribution_Information:

Resource_Description: Downloadable Data

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Transfer_Size: 36.709

dssize: 36.709

Metadata_Reference_Information:

Metadata_Date: 20030717

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Conservation Management Institute

Contact_Person: Laura Delarche Roghair

Contact_Position: Research Associate

Contact_Address:

Address_Type: mailing and physical address

Address: 203 W. Roanoke St.

City: Blacksuburg

State_or_Province: Virginia

Postal_Code: 24061

Country: USA

Contact_Voice_Telephone: (540) 231-7348

Contact_Facsimile_Telephone: (540) 231-7019

Contact_Electronic_Mail_Address: lola@vt.edu

Hours_of_Service: Normal business hours

langmeta: en

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