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Ozone loss rates over the Arctic 2002/03 and Antarctic 2003 measured with the Match approach

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/persons/resource/streibel

Streibel,  M.
0 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

von der Gathen,  P.
External Organizations;

Rex,  M.
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Deckelmann,  H.
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Harris,  N.R.P.
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Braathen,  G.O.
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Chipperfield,  M.P.
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Millard,  G.
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Reimer,  E.
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Alfier,  R.
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Allaart,  M.
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Andersen,  S.B.
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Araujo,  J.
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Balis,  D.
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Billet,  O.
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Cambridge,  C.
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Claude,  H.
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Colwell,  S.R.
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Davis,  J.
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De Backer,  H.

Deshler,  T.
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Dier,  H.
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Dorokhov,  V.
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Easson,  J.
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Fast,  H.
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Gerding,  M.
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Ginzburg,  M.
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Godin-Beekmann,  S.
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Johnson,  B.
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Karhu,  J.A.
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Klekociuk,  A.
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Kyrö,  E.
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Moore,  D.
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Moran,  E.
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Nagai,  T.
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Nakane,  H.
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Parrondo,  C.
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Ravegnani,  F.
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Roscoe,  H.K.
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Sato,  K.
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Shanklin,  J.D.
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Skrivankova,  P.
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Stübi,  R.
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Tripathi,  O.P.
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Varotsos,  C.
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Vialle,  C.
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Viatte,  P.
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Yamanouchi,  T.
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Yela,  M.
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Yoshizawa,  N.
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Yushkov,  V.
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Zerefos,  C.S.
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Zitation

Streibel, M., von der Gathen, P., Rex, M., Deckelmann, H., Harris, N., Braathen, G., Chipperfield, M., Millard, G., Reimer, E., Alfier, R., Allaart, M., Andersen, S., Araujo, J., Balis, D., Billet, O., Cambridge, C., Claude, H., Colwell, S., Davis, J., De Backer, H., Deshler, T., Dier, H., Dorokhov, V., Easson, J., Fast, H., Gerding, M., Ginzburg, M., Godin-Beekmann, S., Johnson, B., Karhu, J., Klekociuk, A., Kyrö, E., Moore, D., Moran, E., Nagai, T., Nakane, H., Parrondo, C., Ravegnani, F., Roscoe, H., Sato, K., Shanklin, J., Skrivankova, P., Stübi, R., Tripathi, O., Varotsos, C., Vialle, C., Viatte, P., Yamanouchi, T., Yela, M., Yoshizawa, N., Yushkov, V., Zerefos, C. (2004): Ozone loss rates over the Arctic 2002/03 and Antarctic 2003 measured with the Match approach - Proceedings, 20th Quadrennial Ozone Symposium (Kos, Greece 2004).


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_412889
Zusammenfassung
To improve our understanding of wintertime polar ozone losses, two ozonesonde Match campaigns were performed. The first one was carried out in the Arctic winter 2002/03. About 450 co-ordinated ozonesondes were launched from late November 2002 to March 2003. Temperatures low enough for the formation of polar stratospheric clouds (PSC) occurred already in the second half of November. At 475 K the Match analysis shows increasing ozone loss rates from early December until the second half of January with peaking loss rates of 35 ppbv/day. Afterwards the rate of ozone loss decreased and stopped after a month. Throughout the whole winter we find accumulated ozone loss of about 1.5 ppmv at the 500 K isentrope and approximately 60 DU in the total ozone column, which is about half of the maximum loss found in past winters. From June to October 2003 an Antarctic Match campaign was carried out for the first time. About 400 sondes were launched by 9 stations. Ozone loss rates of up to 75 ppbv/day were found inside the polar vortex at the 475 K potential temperature level during the first half of September. The timing of the fastest ozone loss coincides with the return of sunlight to the vortex after the Antarctic winter. During the whole time period temperatures were low enough for PSCs, including ice clouds, to form. Results for the potential temperature range between 400 K and 550 K will be presented.