Permafrost Map of Alaska, USA  View Catalog Page
Identification Information:
Dataset Identifier:
GGD320
Citation:
Citation Information:
Originator: Ferrians, O
Publication Date: 19980101
Title: Permafrost Map of Alaska, USA
Publication Information:
Publication Place: Boulder, Colorado USA
Publisher: NSIDC: National Snow and Ice Data Center
Online Linkage: http://nsidc.org/data/ggd320.html
Description:
Abstract:
This data set consists of a geo-referenced digital map and attribute data derived from the publication 'Permafrost map of Alaska'. The map is presented at a scale of 1 to 2,500,000 and shows the correlation of physiographic province to presence of permafrost across the state of Alaska. The digital data were prepared under the U.S. Geological Survey Global Change Program, Land Data Systems - Arctic Land Processes Studies for display and analysis of terrain. The line work was captured by hand digitizing the source map, Ferrians, O.J., 1965, Permafrost map of Alaska - U.S. Geological Survey Miscellaneous Geologic Investigations Map I-445. Scale 1 to 2,500,000. The digital map was assembled and edited in ARC/INFO. The source map projection is polyconic. It is based on the Clarke 1866 ellipsoid with a central meridian of 150 W longitude. The data were geo-referenced from digitizer coordinates to the polyconic projection and then projected into an Albers Equal Area projection. The coastline was taken from the U.S Geological Survey, 1 to 2,000,000 scale Digital Line Graph data (U.S. Geological Survey, 1987). Attributes for the permafrost map were assigned. Metadata documentation was completed in 1996. The map units are closed polygons that are generalized in shape and size. They are defined in terms of their physiographic characteristics and association with permafrost. Each unit differs with respect to all other units and is uniquely identified as follows. 11 Mountainous Area underlain by continuous permafrost 12 Mountainous Area underlain by discontinuous permafrost 13 Mountainous Area underlain by isolated masses of permafrost 21 Lowland and Upland Area underlain by thick permafrost 22 Lowland and Upland Area underlain by moderately thick to thin permafrost 23 Lowland and Upland Area underlain by discontinuous permafrost 24 Lowland and Upland Area underlain by numerous isolated masses of permafrost 25 Lowland and Upland Area underlain by isolated masses of permafrost 26 Lowland and Upland Area generally free of permafrost
Use constraints - The U.S. Geological Survey should be acknowledged as the data source in products derived from these data. The data are general in nature and should not be used at a scale larger than 1 to 2,500,000, that of the original map. Users must assume responsibility to determine the usability of this data for their purposes. The use of these data is not restricted and may be interpreted by organizations, agencies, units of government or others; however, they are responsible for its appropriate application. Digital data files are periodically updated. Files are dated and users are responsible for obtaining the latest revisions of the data. 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 the agency regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. A copy of this map is presented on the CAPS Version 1.0 CD-ROM, June 1998.
Purpose: scientific research
Documentation:
User's Guide:
Citation Information:
Originator: Ferrians, O
Publication Date: 19980101
Title: Permafrost Map of Alaska, USA
Publication Information:
Publication Place: Boulder, Colorado USA
Publisher: NSIDC: National Snow and Ice Data Center
Online Linkage: http://nsidc.org/data/docs/fgdc/ggd320_map_alaska/index.html
Time Period of Content:
Time Period Information:
Range of Dates/Times:
Beginning Date: Unknown
Ending Date: Unknown
Currentness Reference: publication date
Status:
Progress: Complete
Maintenance and Update Frequency: Unknown
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -130°
East Bounding Coordinate: 172°
North Bounding Coordinate: 71.4°
South Bounding Coordinate: 51°
Keywords:
Theme:
Theme Keyword Thesaurus: NASA Global Change Master Directory (GCMD) Science Keywords
Theme Keyword: EARTH SCIENCE Agriculture Soils Permafrost
Theme Keyword: EARTH SCIENCE Cryosphere Frozen Ground Permafrost
Theme Keyword: EARTH SCIENCE Cryosphere Snow/Ice Permafrost
Theme:
Theme Keyword Thesaurus: None
Theme Keyword:
Theme:
Theme Keyword Thesaurus: None
Theme Keyword: Continuous Permafrost
Theme Keyword: Discontinuous Permafrost
Theme Keyword: Mapping
Theme Keyword: Mountain Permafrost
Theme Keyword: Permafrost Extent
Place:
Place Keyword Thesaurus: NASA Global Change Master Directory (GCMD) Location Keywords
Place Keyword: Continent North America United States Of America Alaska, USA
Access Constraints:
None
Use Constraints:
None
Point of Contact:
Contact Information:
Contact Person Primary:
Contact Person: Emily Binnian
Contact Organization: US Geological Survey, EROS Alaska Field Office
Contact Address:
Address Type: mailing
Address:
City: Anchorage
State or Province: Alaska
Postal Code: 99508-4664
Country: USA
Contact Voice Telephone: 1 907 786-7020
Contact Facsimile Telephone: 1 907 786-7036
Contact Electronic Mail Address: binnian@usgs.gov
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Distribution Information:
Distributor:
Contact Information:
Contact Organization Primary:
Contact Organization: National Snow and Ice Data Center
Contact Person: NSIDC User Services
Contact Address:
Address Type: mailing
Address:
- National Snow and Ice Data Center
- CIRES, 449 UCB
- University of Colorado
City: Boulder
State or Province: CO
Postal Code: 80309-0449
Country: USA
Contact Voice Telephone: 1 303 492-6199
Contact Facsimile Telephone: 1 303 492-2468
Contact Electronic Mail Address: nsidc@nsidc.org
Resource Description:
GGD320
Distribution Liability:
NSIDC cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NSIDC makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Standard Order Process:
Digital Form:
Digital Transfer Information:
Format Name: ArcGIS
Digital Transfer Option:
Online Option:
Computer Contact Information:
Network Address:
Network Resource Name: Click here.
Fees: None
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Metadata Reference Information:
Metadata Date:
20130307
Metadata Review Date:
20130307
Metadata Contact:
Contact Information:
Contact Person Primary:
Contact Person: NSIDC User Services
Contact Organization: National Snow and Ice Data Center
Contact Address:
Address Type: mailing
Address:
- National Snow and Ice Data Center
- CIRES, 449 UCB
- University of Colorado
City: Boulder
State or Province: CO
Postal Code: 80309-0449
Country: USA
Contact Voice Telephone: 1 303 492-6199
Contact Facsimile Telephone: 1 303 492-2468
Contact Electronic Mail Address: nsidc@nsidc.org
Metadata Standard Name:
FGDC Content Standard for Digital Geospatial Metadata:
Extensions for Remote Sensing Metadata
Metadata Standard Version:
FGDC-STD-012-2002
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