WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO 2 ?

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WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO 2 ?. Xun Jiang 1,2 , Qinbin Li 1,3 , Moustafa Chahine 1 , Luke Chen 1 , Edward Olsen 1 Paul Dimotakis 1 , Yuk Yung 4 , Jim Randerson 5 1 JPL 2 Univ. Houston 3 UCLA 4 Caltech 5 UCI. The 4 th GEOS-Chem Meeting, 4/8/09, Harvard. - PowerPoint PPT Presentation

Text of WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO 2 ?

  • WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO2?

    Xun Jiang1,2, Qinbin Li1,3, Moustafa Chahine1, Luke Chen1, Edward Olsen1 Paul Dimotakis1, Yuk Yung4, Jim Randerson5

    1JPL 2Univ. Houston 3UCLA 4Caltech 5UCI

    The 4th GEOS-Chem Meeting, 4/8/09, Harvard

  • CO2 WeatherJuly 2003Chahine [GRL, 2008]

  • SUDDEN STRATOSPHERIC WARMING AND POLAR CO2 AND O3 AIRS CO2 increases while O3 decreases following a SSW event.Jiang [JAS, submitted]

  • SUDDEN STRATOSPHERIC WARMING contdBeforeAfterCO2O3

  • MATSUEDA AIRBORNE FLASK CO2 MEASUREMENTSJAL flights(every two weeks)

  • GEOS-Chem SIMULATIONOF UPPER TROP. CO2Jiang [GBC, 2008] GEOS-Chem 3D (CMDL BC) GEOS-Chem 3D (Source/Sink) CJCTM 2D (CMDL BC) MOZART2 (CMDL BC)

  • * GEOS-Chem 3D (CMDL BC) GEOS-Chem 3D (Source/Sink) CJCTM 2D (CMDL BC) MOZART2 (CMDL BC)(DETRENDED) SEASONAL CYCLE OF UPPER TROP. CO2

  • *GC S/SGC CMDLMOZART2-D CTMSEASONAL CYCLE AMPLITUDE OF UPPER TROP. CO2

  • 6-month signal not included6-month signal includedSEMI-ANNUAL CYCLE IN UPPER TROPOSPHERIC CO2?2-D CTM CO2 @ 35N

  • SEMI-ANNUAL CYCLE: GEOS-Chem RESULTS

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