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HNO 3

Forschungszentrum Karlsruhe Technik und Umwelt. HNO 3. CFC - 12. Cornelis E. Blom, Thomas Gulde, Michael Höpfner, Corneli Keim, Wolfgang Kimmig, Katrin Lessenich, Christof Piesch, Christian Sartorius and Herbert Fischer

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HNO 3

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  1. Forschungszentrum KarlsruheTechnik und Umwelt HNO3 CFC - 12 Cornelis E. Blom, Thomas Gulde, Michael Höpfner, Corneli Keim, Wolfgang Kimmig, Katrin Lessenich, Christof Piesch, Christian Sartorius and Herbert Fischer Institut für Meteorologie und Klimaforschung, Forschungszentrum Karlsruhe, Postfach 3640, D-76021 Karlsruhe, FRG; e-mail: cornelis.blom@imk.fzk.de • MIPAS-STR measurements during APE-GAIA Fig. 1: Flight path of the Geophysica and location of the tangent points of the MIPAS-STR measurements. The temperatures are for the 70 hPa level. Fig. 2 (right): Altitude, latitude and in-situ measurements from HAGAR(CO2, Halon-1211, SF6, N2O, CFC-11, CFC-12),ECOC (O3), FOZAN (O3) and FLASH (H2O). The measure-ments are preliminary [3]. ClONO2 T CFC - 11 O3 Fig. 3: Temperature (K), volume mixing ratio of Ozone (ppmv), HNO3, ClONO2, CFC-11 and CFC-12 (all ppbv) measured by MIPAS-STR on September 23rd, 1999. The crosses indicate the flight altitute of the Geophysica for each of the 38 individual profiles retrieved. The gap in the middle part of the plot is due to the dive (figure 2) during which the shutter of the instrument was closed. Other gaps are due to instrument failures (followed by automatic restart) and occassional instrument performance checks. September 2000

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