Radarsat Antarctic Mapping Project Digital Elevation Model Version 2
Federal Geographic Data Committee (FGDC) Metadata:
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Identification_Information:
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Citation:
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Citation_Information:
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Originator: H. Liu, K. Jezek, B. Li, and Z. Zhao
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Publication_Date: 20011001
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Title: Radarsat Antarctic Mapping Project Digital Elevation Model Version 2
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Edition:
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Geospatial_Data_Presentation_Form:
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Series_Information:
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Series_Name:
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Issue_Identification:
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Publication_Information:
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Publication_Place: Boulder, CO
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Publisher: National Snow and Ice Data Center (NSIDC)
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Other_Citation_Details:
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Online_Linkage: http://nsidc.org/data/nsidc-0082.html
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Description:
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Abstract:
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The high-resolution Radarsat Antarctic Mapping Project (RAMP) Digital Elevation Model (DEM) combines topographic data from a variety of sources to provide consistent coverage of all of Antarctica. Version 2 improves upon the original version by incorporating new topographic data, error corrections, extended coverage, and other modifications. The DEM incorporates topographic data from satellite radar altimetry, airborne radar surveys, the recently-updated Antarctic Digital Database (version 2), and large-scale topographic maps from the U.S. Geological Survey (USGS) and the Australian Antarctic Division. Data were collected between the 1940s and present, with most collected during the 1980s and 1990s. Although the RAMP DEM was created to aid in processing RAMP radar data, it does not utilize any RAMP radar data. The 1 km, 400 m, and 200 m DEM data are provided in ARC/INFO and binary grid formats, and the 1 km and 400 m DEMs are also available in ASCII format. Data access is unrestricted, but users should register to receive e-mail notification of product updates and changes in processing.
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Purpose:
- Not Available
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Supplemental_Information:
- REFERENCE:
Bliss, N.B., L.M. Olsen. 1996. Development of a 30-arc-second digital elevation model of South America. Paper presented at Pecora Thirteen Human Interactions with the Environment - Perspective from Space, Sioux Falls, South Dakota, August 20-22.
Brenner, A.C., R.A. Bindschadler, R.H. Thomas, H.J. Zwally. 1983. Slope-induced errors in radar altimetry over continental ice sheets. Journal of Geophysical Research 88:1617-1623.
Davis C.H., H.J. Zwally. 1993. Geographic and seasonal variations in the surface properties of the ice sheets by satellite radar altimetry. Journal of Glaciology 39:687-697. ESRI. 1991. ARC/INFO User's Guide: Cell-based modeling with GRID. ESRI Inc.
Gesch, D.B., K.S. Larson. 1996. Techniques for development of global 1-kilometer digital elevation models. Paper presented at Pecora Thirteen Human Interactions with the Environment - Perspective from Space, Sioux Falls, South Dakota, August 20-22.
Hutchinson, M.F. 1989. A new procedure for gridding elevation and stream line data with automatic removal of spurious pits. Journal of Hydrology 106:211-232.
Hutchinson, M.F. 1988. Calculation of hydrologically sound digital elevation models. In Proceedings of Third International Symposium on Spatial Data Handling: 117-133. Sydney, Australia.
Jezek, K.C., H. Liu, Z. Zhao, B. Li. Improving a digital elevation model of Antarctica using radar remote sensing data and GIS techniques. Polar Geography 23: 185-200.
Liu, H., K. Jezek, B. Li. 1999. Development of an Antarctic digital elevation model by integrating cartographic and remotely sensed data: A geographic information system based approach. Journal of Geophysical Research 104: 23,199-23,213.
Liu, H. 1999. Development of an Antarctic digital elevation model. Byrd Polar Research Center Report No. 19, 157 pp.
Zwally, H.J., R.A. Bindschadler, A.C. Brenner, T.V. Martin, R.H. Thomas. 1983. Surface elevation contours of Greenland and Antarctic ice sheets. Journal of Geophysical Research 88(C3):1589-1596.
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Time_Period_of_Content:
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Time_Period_Information:
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Range_of_Dates/Times:
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Beginning_Date: 19400101
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Ending_Date: 19990101
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Currentness_Reference:Unknown
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Status:
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Progress: Complete
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Maintenance_and_Update_Frequency: As needed
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Spatial_Domain:
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Description_of_Geographic_Extent:
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Bounding_Coordinates:
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West_Bounding_Coordinate: -180.0
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East_Bounding_Coordinate: 180.0
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North_Bounding_Coordinate: -60.0
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South_Bounding_Coordinate: -90.0
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Keywords:
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Theme:
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Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
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Theme_Keyword_Thesaurus: GCMD PLATFORM
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Theme_Keyword_Thesaurus: GCMD INSTRUMENT
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Theme_Keyword_Thesaurus: PROJECT
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Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
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Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
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Theme_Keyword_Thesaurus: DATA SET LANGUAGE
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Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIERS
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Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > ICE SHEETS
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Theme_Keyword: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > GLACIERS/ICE SHEETS > GLACIERS
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Theme_Keyword: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > GLACIERS/ICE SHEETS > ICE SHEETS
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Theme_Keyword: EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > CONTOURS
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Theme_Keyword: EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > LANDFORMS
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Theme_Keyword: EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TOPOGRAPHICAL RELIEF
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Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY
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Theme_Keyword: EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER ELEVATION/ICE SHEET ELEVATION
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Theme_Keyword: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > GLACIERS/ICE SHEETS > GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY
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Theme_Keyword: EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > GLACIERS/ICE SHEETS > GLACIER ELEVATION/ICE SHEET ELEVATION
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Theme_Keyword: AIRCRAFT
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Theme_Keyword: GROUND STATIONS
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Theme_Keyword: GROUND-BASED OBSERVATIONS
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Theme_Keyword: DEM > DIGITAL ELEVATION MODEL
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Theme_Keyword: MAPS
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Theme_Keyword: ERS-1 > EUROPEAN REMOTE SENSING SATELLITE-1
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Theme_Keyword: RADAR ALTIMETERS
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Theme_Keyword: GPS > GLOBAL POSITIONING SYSTEM
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Theme_Keyword: GPS RECEIVERS
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Theme_Keyword: EOSDIS > EARTH OBSERVING SYSTEM DATA INFORMATION SYSTEM
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Theme_Keyword: ESIP > EARTH SCIENCE INFORMATION PARTNERS PROGRAM
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Theme_Keyword: RAMP > RADARSAT ANTARCTIC MAPPING PROJECT
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Theme_Keyword: Aircraft
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Theme_Keyword: Altimetry
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Theme_Keyword: Antarctic
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Theme_Keyword: Antarctica
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Theme_Keyword: Cartography
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Theme_Keyword: Contours
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Theme_Keyword: Cryosphere
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Theme_Keyword: Daac
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Theme_Keyword: Dem
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Theme_Keyword: Digital Elevation Models
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Theme_Keyword: Eosdis
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Theme_Keyword: Ers-1
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Theme_Keyword: Gis Error Detection
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Theme_Keyword: Glaciers
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Theme_Keyword: Goddard Space Flight Center
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Theme_Keyword: Gps Data
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Theme_Keyword: Hydrosphere
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Theme_Keyword: Ice Sheet Elevation
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Theme_Keyword: Ice Sheets
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Theme_Keyword: Islands
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Theme_Keyword: Landforms
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Theme_Keyword: Mapping
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Theme_Keyword: Mountains
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Theme_Keyword: Nasa
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Theme_Keyword: Nsidc
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Theme_Keyword: Nsidc-0082
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Theme_Keyword: Radar Altimetry
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Theme_Keyword: Radar Echo Sounders
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Theme_Keyword: Radarsat Antarctic Mapping Project
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Theme_Keyword: Radarsat-1
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Theme_Keyword: Ramp
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Theme_Keyword: Relief
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Theme_Keyword: Satellite Radar Data
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Theme_Keyword: Terrain Elevation
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Theme_Keyword: Topographic Maps
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Theme_Keyword: Topography
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Theme_Keyword: Updated
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Theme_Keyword: Version 2
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Theme_Keyword: ELEVATION
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Theme_Keyword: GEOSCIENTIFIC INFORMATION
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Theme_Keyword: INLAND WATERS
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Theme_Keyword: ENGLISH
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Place:
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Place_Keyword_Thesaurus: GCMD
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Place_Keyword: CONTINENT > ANTARCTICA
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Place_Keyword: GEOGRAPHIC REGION > POLAR
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Access_Constraints: Not Available
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Use_Constraints:
- Not Available
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Point_of_Contact:
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Contact_Information:
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Contact_Person_Primary:
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Contact_Person: NSIDC USER SERVICES
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Contact_Position: TECHNICAL CONTACT
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Contact_Address:
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Address_Type: Mailing and Physical Address
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Address: National Snow and Ice Data Center
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Address: CIRES, 449 UCB
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Address: University of Colorado
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City: Boulder
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State_or_Province: CO
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Postal_Code: 80309-0449
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Country: USA
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Contact_Voice_Telephone: +1 (303) 492-6199
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Contact_Facsimile_Telephone: +1 (303) 492-2468
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Contact_Electronic_Mail_Address: nsidc@nsidc.org
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Data_Quality_Information:
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Attribute_Accuracy:
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Attribute_Accuracy_Report:
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The vertical accuracy of the DEM is estimated at about 100-130 m over the rugged mountainous areas, better than 2 m for the ice shelves, better than 15m for the interior ice sheet and about 35 m for the steeper ice sheet perimeter.
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Logical_Consistency_Report:
- Not Available
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Completeness_Report:
- Not Available
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Lineage:
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Process_Step:
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Process_Description:
- Not Available
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Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
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Distributor:
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Contact_Information:
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Contact_Organization_Primary:
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Contact_Organization: NSIDC_DAAC > NSIDC Distributed Active Archive Center
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Contact_Person: NSIDC USER SERVICES
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Contact_Position: DATA CENTER CONTACT
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Contact_Address:
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Address_Type: Mailing and Physical Address
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Address: National Snow and Ice Data Center
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Address: CIRES, 449 UCB
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Address: University of Colorado
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City: Boulder
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State_or_Province: CO
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Postal_Code: 80309-0449
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Country: USA
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Contact_Voice_Telephone: +1 (303) 492-6199
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Contact_Facsimile_Telephone: +1 (303) 492-2468
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Contact_Electronic_Mail_Address: nsidc@nsidc.org
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Distributor:
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Contact_Information:
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Contact_Organization_Primary:
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Contact_Organization: NSIDC > National Snow and Ice Data Center
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Contact_Person: NSIDC USER SERVICES
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Contact_Position: DATA CENTER CONTACT
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Contact_Address:
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Address_Type: Mailing and Physical Address
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Address: National Snow and Ice Data Center
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Address: CIRES, 449 UCB
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Address: University of Colorado
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City: Boulder
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State_or_Province: CO
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Postal_Code: 80309-0449
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Country: USA
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Contact_Voice_Telephone: +1 (303) 492-6199
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Contact_Facsimile_Telephone: +1 (303) 492-2468
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Contact_Electronic_Mail_Address: nsidc@nsidc.org
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Resource_Description: NSIDC-0082
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Resource_Description: NSIDC-0082
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Distribution_Liability:
- Not Available
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Standard_Order_Process:
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Digital_Form:
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Digital_Transfer_Information:
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Format_Name: ARC/INFO (400 meter resolution)
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Format_Name: binary (200 meter resolution)
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Format_Name: ARC/INFO (1 kilometer resolution)
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Format_Name: ASCII text file (400 meter resolution)
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Format_Name: ARC/INFO (200 meter resolution)
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Format_Name: binary (400 meter resolution)
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Format_Name: ASCII text file (1 kilometer resolution)
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Format_Name: binary (1 kilometer resolution)
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Transfer_Size: 114 MB uncompressed
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Transfer_Size: 1410 MB uncompressed
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Transfer_Size: 25 MB uncompressed
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Transfer_Size: 2649 MB uncompressed
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Transfer_Size: 330 MB uncompressed
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Transfer_Size: 352 MB uncompressed
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Transfer_Size: 424 MB uncompressed
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Transfer_Size: 56 MB uncompressed
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/daac/index.html
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Access_Instructions:
- DATA CENTER URL
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org
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Access_Instructions:
- DATA CENTER URL
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- ftp://sidads.colorado.edu/pub/DATASETS/RAMP/DEM_V2...
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Access_Instructions:
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FTP site for obtaining these data.
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/cgi-bin/acap.pl?service=WMS&versi...
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Access_Instructions:
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Access these data as map images using the Open Geospatial Consortium (OGC) Web Map Service (WMS).
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/cgi-bin/acap.pl?service=WFS&versi...
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Access_Instructions:
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Access contours of these data in Geography Markup Language (GML) using the Open Geospatial Consortium (OGC) Web Feature Service (WFS).
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/cgi-bin/acap.pl?service=WCS&versi...
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Access_Instructions:
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Access these data in GeoTIFF format using the Open Geospatial Consortium (OGC) Web Coverage Service (WCS).
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/cgi-bin/acap.pl?action=initiate_m...
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Access_Instructions:
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Access these and other data in NSIDC's Antarctic Cryosphere Access Portal (A-CAP) online map viewer.
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/cgi-bin/atlas_south?imgext=-29939...
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Access_Instructions:
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Access these and other data in NSIDC's Atlas of the Cryosphere online map viewer.
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/data/ramp/
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Access_Instructions:
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The Radarsat Antarctic Mapping Project (RAMP)
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
- http://nsidc.org/data/dems/
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Access_Instructions:
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Polar Ice Sheet DEMs and Topographic Data at NSIDC
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Fees: Not Available
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Metadata_Reference_Information:
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Metadata_Date: 19990913
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Metadata_Review_Date: 20120514
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Metadata_Contact:
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Contact_Information:
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Contact_Person_Primary:
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Contact_Person: GCMD User Support Office
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Contact_Organization: NASA Global Change Master Directory
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Contact_Address:
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Address_Type: Mailing and Physical Address
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Address: Not Available
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City: Lanham
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State_or_Province: MD
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Postal_Code: 20706
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Country: USA
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Contact_Voice_Telephone: Not Available
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Contact_Electronic_Mail_Address: gcmduso@gcmd.gsfc.nasa.gov
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Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
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Metadata_Standard_Version: FGDC-STD-001-1998
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Metadata_Time_Convention: local time
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