HR: 1340h
AN: A43D-1568    [Abstracts]
TI: Odin/SMR Satellite Observations of Ozone and its Isotopes in the Middle Atmosphere
AU: * KASAI, Y J
EM: ykasai@nict.go.jp
AF: National Institute of Information and Communications Technology, 4-2-1 Nukui-kita, Koganei, Tokyo, 184-8795, Japan
AU: Urban, J
EM: jo.urban@rss.chalmers.se
AF: Chalmers University of Technology, Department of Radio and Space Science, Goteborg, 412 96, Sweden
AU: Murtagh, D
EM: donal.murtagh@rss.chalmers.se
AF: Chalmers University of Technology, Department of Radio and Space Science, Goteborg, 412 96, Sweden
AU: Eriksson, P
EM: patrick.eriksson@chalmers.se
AF: Chalmers University of Technology, Department of Radio and Space Science, Goteborg, 412 96, Sweden
AU: Frisk, U
EM: urban.frisk@ssc.se
AF: Swedish Space Corporation, Box 4207, Solna, 171 04, Sweden
AU: ricaud, p
EM: philippe.ricaud@aero.obs-mip.fr
AF: Laboratoire d'Aerologie, Observatoire de Midi-Pyrenees , Toulouse, 31400, France
AU: Retrieval Group, O
EM: ykasai@nict.go.jp
AF: Chalmers University of Technology, Department of Radio and Space Science, Goteborg, 412 96, Sweden
AU: Retrieval Group, O
EM: ykasai@nict.go.jp
AF: Swedish Space Corporation, Box 4207, Solna, 171 04, Sweden
AU: Retrieval Group, O
EM: ykasai@nict.go.jp
AF: Laboratoire d'Aerologie, Observatoire de Midi-Pyrenees , Toulouse, 31400, France
AB: The global distribution of isotopic composition of atmospheric ozone has been studied by SubMillimeter Radiometer (SMR) onboard the Odin satellite with retrievals being performed by the Optimal Estimation Method. Odin/SMR launched in February 2001, employs 4 tunable single-sideband Schottky-diode heterodyne receivers in the 485-580GHz spectral range. Vertical profiles for the main isotopomer (16O16O16O) as well as the profiles of the minor isotopomers (16O16O18O, 16O18O16O) were then retrieved for day and night. Results are compared to previous ground-based FTIR, balloon-born FIR, and satellite measurements of isotopic enrichments in atmospheric ozone and found to have smaller uncertainties in the mid-latitude region. The results should therefore provide useful data for validating proposed mechanisms for the isotopic enrichments in atmospheric ozone in the middle atmosphere.
DE: 0322 Constituent sources and sinks
DE: 0340 Middle atmosphere: composition and chemistry
DE: 0341 Middle atmosphere: constituent transport and chemistry (3334)
DE: 0343 Planetary atmospheres (5210, 5405, 5704)
DE: 0365 Troposphere: composition and chemistry
SC: Atmospheric Sciences [A]
MN: 2007 Fall Meeting