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Titel |
Inter-comparison of extra-tropical cyclone activity in five reanalysis datasets |
VerfasserIn |
X. L. Wang, Y. Feng, V. R. Swail, G. P. Compo, J. S. Whitaker, P. D. Sardeshmukh, R. J. Allen |
Konferenz |
EGU General Assembly 2011
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 13 (2011) |
Datensatznummer |
250045557
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Zusammenfassung |
This poster inter-compares extra-tropical cyclone activity in the following five reanalysis datasets: NCEP-NCAR Reanalysis (NCEP1), NCEP-DOE Reanalysis (NCEP2), NCEP CFS Reanalysis (NCEP3), ERA40 Reanalysis, and the 20th Century Reanalysis (20CRv2; ensemble of 56 runs for 1871-2008). The intercomparison includes climatology and trends in cyclone counts, track counts, intensity and lifespan, which are derived from applying an objective cyclone identification/tracking algorithm to each of the five datasets. The probability distribution of cyclones in the NCEP1, ERA40, and 20CR is also inter-compared for their common period (1958-2001) and in all five datasets in their common period (1979-2001). Effects of model/data resolution (including resolution of data used to identify/track cyclones) are discussed. |
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