Intraseasonal variability in a two-layer model and observations

Intraseasonal variability in a two-layer model and observations

A two-layer shallow-water model with $15 truncation and topographic forcing is used to study intraseasonal variability in the Northern Hemisphere's (NH's) extratropical atmosphere. The model's variability is dominated by oscillations with average periods near 65-70 and 40-50 days.

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Veröffentlicht in:Journal of the atmospheric sciences 2000-04, Vol.57 (8), p.1010-1028
Hauptverfasser: KEPPENNE, C. L, MARCUS, S. L, KIMOTO, M, GHIL, M
Format: Artikel
Sprache:eng
Schlagworte:
Atmosphere
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Other topics in atmospheric geophysics
Seasons
Shallow water
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Beschreibung
Zusammenfassung:A two-layer shallow-water model with $15 truncation and topographic forcing is used to study intraseasonal variability in the Northern Hemisphere's (NH's) extratropical atmosphere. The model's variability is dominated by oscillations with average periods near 65-70 and 40-50 days.
ISSN:0022-4928
1520-0469
DOI:10.1175/1520-0469(2000)057<1010:IVIATL>2.0.CO;2