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- Title
Northern hemisphere freezing/thawing index variations over the twentieth century.
- Authors
Frauenfeld, Oliver W.; Tingjun Zhang; McCreight, James L.
- Abstract
The article assesses the validity of using monthly air temperature observations in the calculation of the approximate annual air freezing and thawing index. A suite of gridded monthly air temperature products for different seasonally frozen ground and permafrost regions is evaluated to determine which will best provide a high resolution long-term freezing or thawing index. Both station-based gridded products and reanalysis data are assessed. A long-term freezing and thawing index climatology is provided.
- Subjects
AIR; TEMPERATURE; THAWING; ATMOSPHERE; CLIMATOLOGY; CRYOBIOLOGY
- Publication
International Journal of Climatology, 2007, Vol 27, Issue 1, p47
- ISSN
0899-8418
- Publication type
Article
- DOI
10.1002/joc.1372