USGS NED Original Product Resolution AK IFSAR-Sum-lot3-C58 2013 ArcGrid 2016

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 20160825
Title:
USGS NED Original Product Resolution AK IFSAR-Sum-lot3-C58 2013 ArcGrid 2016
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 is the Original Product Resolution (OPR) Digital Elevation Model (DEM) as provided to the USGS. This DEM is delivered in the original resolution, with the original spatial reference. All elevation units have been converted to meters. These data may be used as the source of updates to the National Elevation Dataset (NED), which serves as the elevation layer of the National Map. These data can be used by scientists and resource managers for global change research, hydrologic modeling, resource monitoring, mapping and visualization, and many other applications.
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 is an original source resolution DEM. 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:
Range_of_Dates/Times:
Beginning_Date: 20130823
Ending_Date: 20150823
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -158.163957033055
East_Bounding_Coordinate: -156.881754104897
North_Bounding_Coordinate: 69.0193632678016
South_Bounding_Coordinate: 67.9799348085247
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: 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: 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/Elevation/OPR/ArcGrid/USGS_NED_OPR_AK_IFSAR_Sum_lot3_C58_2013_ArcGrid_2016_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 copy of the original product metadata file within the delivered folder if one was provided.
Completeness_Report:
Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
Please refer to the copy of the original product metadata file if one was provided.
Lineage:
Process_Step:
Process_Description:
Original project data were provided to the National Geospatial Technical Operations Center (NGTOC) in Rolla, MO and/or Denver, CO. The data were reviewed for quality and accuracy before publication. Data are provided in the original source resolution and spatial reference. Vertical units were converted to meters.
Process_Date: 20160825

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 22494
Column_Count: 9418
Vertical_Count: 1

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Albers
Albers_Conical_Equal_Area:
Standard_Parallel: 55
Standard_Parallel: 65
Longitude_of_Central_Meridian: -154
Latitude_of_Projection_Origin: 50
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Coordinate_Representation:
Abscissa_Resolution: 0.00000000305360181585002
Ordinate_Resolution: 0.00000000305360181585002
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: GCS North American 1983
Ellipsoid_Name: GRS 1980
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.2572221009999052990208776

Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview: The attribute summary can be found in the OPR 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 Information 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: ArcGrid
Transfer_Size: 000.000000
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
<ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/Elevation/OPR/ArcGrid/USGS_NED_OPR_AK_IFSAR_Sum_lot3_C58_2013_ArcGrid_2016.zip>
Fees: None. No fees are applicable for obtaining the data set.

Metadata_Reference_Information:
Metadata_Date: 20160825
Metadata_Contact:
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.
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/metadata.html>
Profile_Name: National Elevation Dataset (NED) Metadata

Generated by mp version 2.9.12 on Thu Aug 25 14:58:13 2016