Global Change Master Directory (GCMD)

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Global Annual Freezing and Thawing Indices

Entry ID: NSIDC-0063

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Summary

Abstract: The total annual freezing and thawing indices are defined as the cumulative number of degree-days when air temperatures are below and above zero degrees Celsius. The total annual freezing index has been widely used to predict permafrost distribution; estimate the maximum thickness of sea, lake, and river ice, and the maximum depth of ground-frost penetration; and classify snow types. The annual ...

Geographic Coverage

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Spatial coordinates

N: 90.0

S: -90.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Title: Global Annual Freezing and Thawing Indices

Dataset Release Date: 1998-01-01

Dataset Release Place: Boulder, CO U.S.A.

Dataset Publisher: National Snow and Ice Data Center (NSIDC)

Online Resource: http://nsidc.org/data/nsidc-0063.html

Location Keywords

GEOGRAPHIC REGION > GLOBAL

Data Resolution

Temporal Resolution: annual average
Temporal Resolution Range: Annual

Science Keywords

ATMOSPHERE > ATMOSPHERIC TEMPERATURE > AIR TEMPERATURE

CRYOSPHERE > SNOW/ICE > FREEZE/THAW

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

GEOSCIENTIFIC INFORMATION

INLAND WATERS

Instrument

Thermistors

Thermometers

Project

EOSDIS > Earth Observing System Data Information System

ESIP > Earth Science Information Partners Program

Ancillary Keywords

Air Temperature

Cryosphere

Data Set Progress

COMPLETE

Data Center

NSIDC Distributed Active Archive Center

Data Center URL: http://nsidc.org/daac/index.html
Dataset ID: NSIDC-0063

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

National Snow and Ice Data Center

Data Center URL: http://nsidc.org
Dataset ID: NSIDC-0063

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: ARCSS050

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

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

Legates, D. R. and C. J. Willmott, 1990: Mean Seasonal and Spatial Variability in Global Surface Air Temperature, Theoretical and Applied Climatology, 41(1-2).

Extended Metadata Properties

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Creation and Review Dates

Last DIF Revision Date: 2011-07-19

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