Interannual variability of the South Pacific Convergence Zone and implications for tropical cyclone genesis

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dc.contributor.author Vincent, E.M.
dc.contributor.author Lengaigne, M.
dc.contributor.author Menkes, C.E.
dc.contributor.author Jourdain, N.C.
dc.contributor.author Marchesiello, P.
dc.contributor.author Madec, G.
dc.date.accessioned 2011-08-23T09:37:17Z
dc.date.available 2011-08-23T09:37:17Z
dc.date.issued 2011
dc.identifier.citation Climate Dynamics, vol.36; 2011; 1881-1896
dc.identifier.uri http://drs.nio.org/drs/handle/2264/3904
dc.description.abstract The interannual variability of the South Pacific Convergence Zone (SPCZ) and its influence on tropical cyclone (TC) genesis in the South Pacific are investigated using observations and ERA40 reanalysis over the 1979– 2002 period. In austral summer, the SPCZ displays four typical structures at interannual timescales. The first three are characterized by a diagonal orientation of the SPCZ and account for 85% of the summer seasons. One is close to climatology and the other two exhibit a 3 degree northward or southward departure from the SPCZ climatological position. In contrast, the fourth one, that only encompasses three austral summer seasons (the extreme 1982/1983 and 1997/1998 El Nino events and the moderate 1991/1992 El Nino event), displays very peculiar behaviour where the SPCZ largely departs from its climatological position and is zonally oriented
dc.language.iso en
dc.publisher Springer
dc.rights An edited version of this paper was published by Springer. This paper is for R & D purpose and Copyright [2011] Springer.
dc.subject Interannual variability
dc.subject Tropical cyclone
dc.subject convergence zones
dc.subject El Nino phenomena
dc.subject Hurricanes
dc.title Interannual variability of the South Pacific Convergence Zone and implications for tropical cyclone genesis
dc.type Journal Article


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