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Northern Hemisphere Seasonal and Intermittent Frozen Ground Areas 1901-2001

Entry ID: ggd650

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Summary

Abstract: This data set contains monthly values of the total exposed land area of seasonally frozen ground and annual values for intermittently frozen ground in the Northern Hemisphere. Seasonally frozen ground is defined as the near-surface soil that experiences freeze for more than 15 days per year, while intermittently frozen ground experiences fewer than 15 days of freeze per year. The values were ...

Related URL

Link: VIEW RELATED INFORMATION

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: 90.0

S: 0.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Originator/Creator: T. Zhang, J. Smith

Dataset Title: Northern Hemisphere Seasonal and Intermittent Frozen Ground Areas, 1901-2001

Dataset Release Date: 2006-01-01

Dataset Release Place: Boulder, CO

Dataset Publisher: National Snow and Ice Data Center/World Data Center for Glaciology, Boulder, CO

Temporal Coverage

Start Date: 1901-01-01

Stop Date: 2002-12-31

Location Keywords

GEOGRAPHIC REGION > ARCTIC

GEOGRAPHIC REGION > POLAR

Data Resolution

Latitude Resolution: 25 km
Longitude Resolution: 25 km
Horizontal Resolution Range: 10 km - < 50 km or approximately .09 degree - < .5 degree
Temporal Resolution: annual
Temporal Resolution Range: Annual

Science Keywords

CRYOSPHERE > FROZEN GROUND > SEASONALLY FROZEN GROUND

LAND SURFACE > FROZEN GROUND > SEASONALLY FROZEN GROUND > FREEZING/THAWING INDEX

ISO Topic Category

GEOSCIENTIFIC INFORMATION

Ancillary Keywords

intermittently frozen ground

Data Set Progress

COMPLETE

Originating Center

NSIDC_FGDC

Data Center

National Snow and Ice Data Center

Data Center URL: http://nsidc.org

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

World Data Center for Glaciology, Boulder

Data Center URL: http://nsidc.org/wdc/
Dataset ID: GGD650

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

Frozen Ground Data Center

Data Center URL: http://nsidc.org/fgdc/
Dataset ID: GGD650

Data Center Personnel
Name: NSIDC FGDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

Distribution

Distribution Media: FTP

Distribution Size: 20 KB

Distribution Format: ASCII text

Personnel

TINGJUN ZHANG

Role: INVESTIGATOR

Phone: 303-492-6199

Fax: 303-492-2359

Email: nsidc at nsidc.org

Contact Address:

National Snow and Ice Data Center

University of Colorado

CIRES, 449 UCB

City: Boulder

Province or State: Colorado

Postal Code: 80309-0449

Country: USA

NSIDC USER SERVICES

Role: TECHNICAL CONTACT

Phone: +1 (303) 492-6199

Fax: +1 (303) 492-2468

Email: nsidc at nsidc.org

Contact Address:

National Snow and Ice Data Center

CIRES, 449 UCB

University of Colorado

City: Boulder

Province or State: CO

Postal Code: 80309-0449

Country: USA

Publications/References

Zhang, T., R. G. Barry, K. Knowles, F. Ling, and R. L. Armstrong. 2003. Distribution of seasonally and perennially frozen ground in the Northern Hemisphere. in Phillips, M., S. M. Springman, and L. U. Arenson (editors). 2003. Permafrost: Proceedings of the Eighth International Conference on Permafrost, 21-25 July 2003, Zurich, Switzerland. Lisse, The Netherlands: A.A. Balkema. Mitchell T. D. and P. D. Jones. 2005. An improved method of constructing a database of monthly climate observations and associated high-resolution grids. International Journal of Climatology 25, 693-712.

Creation and Review Dates

Last DIF Revision Date: 2011-01-24

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