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Record #163062:

A study of the leakage of the Antarctic polar vortex in late austral winter and spring using isentropic and 3-D trajectories / Michel Öllers, Peter F. van Velthoven, Hennie M. Kelder, Leon P.J. Kamp.

Title: A study of the leakage of the Antarctic polar vortex in late austral winter and spring using isentropic and 3-D trajectories / Michel Öllers, Peter F. van Velthoven, Hennie M. Kelder, Leon P.J. Kamp.
Author(s): Öllers, Michel.
van Velthoven, Peter F.
Kelder, Hennie M.
Kamp, Leon P. J.
Date: 2002.
In: Journal of Geophysical Research. (2002.), Vol. 107(D17) (2002)
Abstract: Data from August to November 1998 show large numbers of air parcels initially released inside and outside polar vortex on 350, 450 and 550 K isentropic surfaces. Integration four months forward in time using isentropic trajectory calculations found very little transport for August and September, while October and November gave somewhat higher transport rates. 3-D trajectory calculations for October gave much more exchange between vortex and midlatitudes than isentropic ones owing to significant number of parcels that descended inside vortex. Results show that 3-D trajectories will provide more accurate leakage rates than isentropic ones, and that despite large-scale mixing in polar vortex or in midlatitudes, little ozone-depleted air leaks from ozone hole into midlatitude stratosphere.
Notes:

Journal of Geophysical Research. Vol. 107(D17) :ACL3, 1-14 (2002).

Keywords: 551.5 -- Meteorology.
551.51 -- Atmosphere. Structure, mechanics and thermodynamics.
551.510.5 -- Atmosphere, structure.
551.510.532 -- Stratosphere.
551.510.534 -- Ozone layer.
551.513 -- Atmosphere, general circulation.
519.673 -- Modelling.
D -- Atmospheric sciences.
(*7) -- Antarctic regions.
SPRI record no.: 163062

MARCXML

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245 02 ‡aA study of the leakage of the Antarctic polar vortex in late austral winter and spring using isentropic and 3-D trajectories /‡cMichel Öllers, Peter F. van Velthoven, Hennie M. Kelder, Leon P.J. Kamp.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2002.
300 ## ‡ap. ACL3, 1-14 :‡bill., diags., tables.
500 ## ‡aJournal of Geophysical Research. Vol. 107(D17) :ACL3, 1-14 (2002).
520 3# ‡aData from August to November 1998 show large numbers of air parcels initially released inside and outside polar vortex on 350, 450 and 550 K isentropic surfaces. Integration four months forward in time using isentropic trajectory calculations found very little transport for August and September, while October and November gave somewhat higher transport rates. 3-D trajectory calculations for October gave much more exchange between vortex and midlatitudes than isentropic ones owing to significant number of parcels that descended inside vortex. Results show that 3-D trajectories will provide more accurate leakage rates than isentropic ones, and that despite large-scale mixing in polar vortex or in midlatitudes, little ozone-depleted air leaks from ozone hole into midlatitude stratosphere.
530 ## ‡aAlso issued online ‡uurn:doi:10.1029/2001JD001363‡uhttps://dx.doi.org/10.1029/2001JD001363
650 07 ‡a551.5 -- Meteorology.‡2udc
650 07 ‡a551.51 -- Atmosphere. Structure, mechanics and thermodynamics.‡2udc
650 07 ‡a551.510.5 -- Atmosphere, structure.‡2udc
650 07 ‡a551.510.532 -- Stratosphere.‡2udc
650 07 ‡a551.510.534 -- Ozone layer.‡2udc
650 07 ‡a551.513 -- Atmosphere, general circulation.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aD -- Atmospheric sciences.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
700 1# ‡aÖllers, Michel.
700 1# ‡avan Velthoven, Peter F.
700 1# ‡aKelder, Hennie M.
700 1# ‡aKamp, Leon P. J.
773 0# ‡7nnas ‡tJournal of Geophysical Research. ‡gVol. 107(D17) (2002) ‡wSPRI-35252
916 ## ‡a128279 -- 2003/02/26 -- HS
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220927 ‡bHS