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USGS NED ned19_n39x50_w078x50_wv_statewide_2003 1/9 arc-second 2012 15 x 15 minute IMG

Metadata also available as - [Parseable text]

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2012
Title:
USGS NED ned19_n39x50_w078x50_wv_statewide_2003 1/9 arc-second 2012 15 x 15 minute IMG
Geospatial_Data_Presentation_Form: raster digital data
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: <http://ned.usgs.gov/>
Online_Linkage: <http://nationalmap.gov/viewer.html>
Description:
Abstract:
This tile of the National Elevation Dataset (NED) is 1/9 arc-second resolution. The National Elevation Dataset (NED) serves the elevation layer of The National Map, and provides basic elevation information for earth science studies and mapping applications in the United States. Scientists and resource managers use NED data for global change research, hydrologic modeling, resource monitoring, mapping and visualization, and many other applications. The NED is an elevation dataset that consists of seamless layers and a high resolution layer. Each of these layers are composed of the best available raster elevation data of the conterminous United States, Alaska, Hawaii, territorial islands, Mexico and Canada. The NED is updated continually as new data become available. All NED data are in the public domain. The NED are derived from diverse source data that are processed to a common coordinate system and unit of vertical measure. These data are distributed in geographic coordinates in units of decimal degrees, and in conformance with the North American Datum of 1983 (NAD 83). All elevation values are in meters and, over the continental United States, are referenced to the North American Vertical Datum of 1988 (NAVD 88). The vertical reference will vary in other areas. NED data are available nationally (except for Alaska) at resolutions of 1 arc-second (approx. 30 meters) and 1/3 arc-second (approx. 10 meters), and in limited areas at 1/9 arc-second (approx. 3 meters). In most of Alaska, only lower resolution source data are available. As a result, most NED data for Alaska are at 2-arc-second (approx. 60 meters) grid spacing. Part of Alaska is available at the 1- and 1/3-arc-second resolution from IFSAR collections starting in 2010. Plans are in place for collection of statewide IFSAR in Alaska through 2016.
Purpose:
The NED serves as the elevation layer of The National Map, and provides basic elevation information for earth science studies and mapping applications in the United States. The data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, mapping and visualization applications.
Supplemental_Information:
This tile of the National Elevation Dataset (NED) is 1/9 arc-second resolution, Image file format, and covers a one degree block. The geographic area of coverage is described below in the Bounding Coordinates. Additional information for the NED may be found on <http://ned.usgs.gov/>. Data may be downloaded through The National Map Viewer: <http://nationalmap.gov/viewer.html>. Direct links for direct access by automated services are provided in the Distribution section of this metadata.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2003
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As Needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -78.500185185185217
East_Bounding_Coordinate: -78.24981481481484
North_Bounding_Coordinate: 39.500185185185188
South_Bounding_Coordinate: 39.249814814814819
Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: elevation
Theme:
Theme_Keyword_Thesaurus: NGDA Portfolio Themes
Theme_Keyword: Elevation
Theme:
Theme_Keyword_Thesaurus: National Elevation Dataset (NED)
Theme_Keyword: National Elevation Dataset
Theme_Keyword: NED
Theme_Keyword: Elevation
Theme_Keyword: Grid
Theme_Keyword: LIght Detection And Ranging
Theme_Keyword: LIDAR
Theme_Keyword: Interferometric Synthetic Aperture Radar
Theme_Keyword: IFSAR
Theme_Keyword: High Resolution
Theme_Keyword: Topographic Surface
Theme_Keyword: Topography
Theme_Keyword: Bare Earth
Theme_Keyword: Hydro-Flattened
Theme_Keyword: Terrain Elevation
Theme_Keyword: 15-minute DEM
Theme_Keyword: 1/9 arc-second DEM
Theme_Keyword: Cartography
Theme_Keyword: DEM
Theme_Keyword: Digital Elevation Model
Theme_Keyword: Digital Mapping
Theme_Keyword: Digital Terrain Model
Theme_Keyword: Geodata
Theme_Keyword: GIS
Theme_Keyword: Mapping
Theme_Keyword: Raster
Theme_Keyword: USGS
Theme_Keyword: U.S. Geological Survey
Place:
Place_Keyword_Thesaurus: Geographic Names Information System
Place_Keyword: US
Place_Keyword: United States
Access_Constraints:
None. Any downloading and use of these data signifies a user's agreement to comprehension and compliance of the USGS Standard Disclaimer. Insure all portions of metadata are read and clearly understood before using these data in order to protect both user and USGS interests.
Use_Constraints:
There is no guarantee or warranty concerning the accuracy of the data. Users should be aware that temporal changes may have occurred since these data were collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data, nor to imply that changes made were approved or endorsed by the USGS. Please refer to <http://www.usgs.gov/privacy.html> for the USGS disclaimer.
Browse_Graphic:
Browse_Graphic_File_Name:
<ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/19/IMG/ned19_n39x50_w078x50_wv_statewide_2003_thumb.jpg>
Browse_Graphic_File_Description: Thumbnail JPG image
Browse_Graphic_File_Type: JPEG
Data_Set_Credit:
Acknowledgement of the originating agencies would be appreciated in products derived from these data.
Data_Quality_Information:
Logical_Consistency_Report:
Please refer to the Metadata Section at the end of this document for a live link to a copy of the original data source's metadata file if one was provided.
Completeness_Report: N/A
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report: N/A
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report: N/A
Lineage:
Process_Step:
Process_Description:
USGS NED ned19_n39x50_w078x50_wv_statewide_2003 1/9 arc-second 2012 15 x 15 minute IMG. The grid data provided by West Virginia Statewide Addressing and Mapping Board (SAMB), was processed by USGS/EROS . The DEM formatted file was converted to a ESRI GRID in geographic coordinates using the assemble software with a cell size of 1/9 decimal degree. These grids were visually inspected for erroneous grid cells, and if necessary, the process was repeated to remove all erroneous points. During this processing a shpaefile of the data footprint was produced. A shaded relief grid with an azimuth of 315, elevation of 45 and a z-factor of 0.00003 was produced for additional QC and for viewing with the Seamless Data Distribution System. When the QC was completed the grids were loaded into ArcSDE with ArcGIS 9.1 ArcCatalog. Metadata was created for display through The National Map Viewer at <http://nationalmap.gov/viewer.html> in XML format.
Process_Date: 20051207
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: USGS National Geospatial Program Office
Address: 12201 Sunrise Valley Drive
City: Reston
State_or_Province: VA
Postal_Code: 20192
Country: USA
Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747)
Hours_of_Service: 0800 - 1600 CT, M - F (-6h CST/-5h CDT GMT)
Contact_Instructions: Please visit <http://www.usgs.gov/ask/> to contact us.
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 129612
Column_Count: 178212
Vertical_Count: 1
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.00001
Longitude_Resolution: 0.00001
Geographic_Coordinate_Units: Decimal degrees
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: 298.2572221
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:
Altitude_Datum_Name: North American Vertical Datum of 1988
Altitude_Resolution: 0.001
Altitude_Distance_Units: meters
Altitude_Encoding_Method: Implicit coordinate
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview: The attribute summary can be found in the data dictionary.
Entity_and_Attribute_Detail_Citation:
A link to the NED Data Dictionary describing information that is included in the spatial metadata shapefiles acquired with the DEM is provided at the end of the Metadata Section of this document.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical
Address: USGS National Geospatial Program Office
Address: 12201 Sunrise Valley Drive
City: Reston
State_or_Province: VA
Postal_Code: 20192
Country: USA
Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747)
Hours_of_Service: Monday through Friday 8:00 AM to 4:00 PM Eastern Time Zone USA
Contact_Instructions: Please visit <http://www.usgs.gov/ask/> to contact us.
Resource_Description: Downloadable Data
Distribution_Liability:
Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty, expressed or implied, is made by either regarding the utility of the data on any system, nor shall the act of distribution constitute any such warranty. The USGS will warranty the delivery of this product in computer-readable format and will offer appropriate adjustment of credit when the product is determined unreadable by correctly adjusted computer peripherals, or when the physical medium is delivered in damaged condition. Requests for adjustments of credit must be made within 90 days from the date of this shipment from the ordering site.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: IMG
Transfer_Size: 151.604101
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/19/IMG/ned19_n39x50_w078x50_wv_statewide_2003.zip>
Fees: NONE
Metadata_Reference_Information:
Metadata_Date: 20140213
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: USGS National Geospatial Program Office
Address: 12201 Sunrise Valley Drive
City: Reston
State_or_Province: VA
Postal_Code: 20192
Country: USA
Contact_Voice_Telephone: 1-888-ASK-USGS (1-888-275-8747)
Hours_of_Service: Monday through Friday 8:00 AM to 4:00 PM Eastern Time Zone USA
Contact_Instructions: Please visit <http://www.usgs.gov/ask/> to contact us.
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Extensions:
Online_Linkage: <http://ned.usgs.gov/NED/metadata.asp>
Profile_Name:
National Elevation Dataset (NED) Metadata Data Dictionary Access
Metadata_Extensions:
Online_Linkage: <http://ned.usgs.gov/source_metadata/wv_samb_orig.xml>
Profile_Name:
Original Data Provider Project Metadata File: West Virginia Statewide LiDAR
Generated by mp version 2.9.12 on Thu Feb 13 12:38:14 2014