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WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO 2 ?

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.

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WHAT CAN WE LEARN ABOUT UPPER TROPOSPHERIC CO 2 ?

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  1. 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

  2. CO2 Weather July 2003 Chahine [GRL, 2008]

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

  4. SUDDEN STRATOSPHERIC WARMING cont’d Before After CO2 O3

  5. MATSUEDA AIRBORNE FLASK CO2 MEASUREMENTS JAL flights (every two weeks)

  6. GEOS-Chem SIMULATION OF UPPER TROP. CO2 — GEOS-Chem 3D (CMDL BC) — GEOS-Chem 3D (Source/Sink) — CJCTM 2D (CMDL BC) — MOZART2 (CMDL BC) Jiang [GBC, 2008]

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

  8. SEASONAL CYCLE AMPLITUDE OF UPPER TROP. CO2 2-D CTM MOZART GC CMDL GC S/S

  9. SEMI-ANNUAL CYCLE IN UPPER TROPOSPHERIC CO2? 6-month signal not included 2-D CTM CO2 @ 35°N 6-month signal included

  10. SEMI-ANNUAL CYCLE: GEOS-Chem RESULTS

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