1. Measurement and Parameterization of Air-Sea Gas Transfer over the Southern Ocean in GasEx-III C. W. Fairall, J. E. Hare, Ludovic Bariteau, ESRL- CIRES/Univ. of Colorado, Boulder, CO; D. Helmig INSTAAR/Univ. of Colorado, Boulder, CO Cooperations with McGillis, Edson, Huebert, Zappa MPI-CHEMIE GASEX-III Southern Ocean Silver Spring, MD- Sept., 2007.

2. Planned Sensors for GASEX III

3. Fast Ozone Sensor Inlet with filter Sampling Line Configuration of the experiment during TexAQS and STRATUS 2006

5. Closed path CO2 and Ozone Sensors

6. Cruise Tracks TexAQS 2006Stratus 2006 October 13 to October 25 July 27 to September 10

7. Deposition velocity for TexAQS 2006 Gulf of Mexico Land

8. Deposition velocity for STRATUS 2006

9. Deposition velocity versus Friction velocity TexAQS 2006STRATUS 2006

10. Closed Path CO2: Dual Li-7500: Ventilated, One unit homogenized

11. Locations Most sensors on jackstaff Ozone system (pump?) and CIP laptop in Huebert seatainer Radiative fluxes on top of seatainer Sea snake off port side DAS computers in science office

12. Summary Of Observations Basic bulk meteorology Eddy covariance fluxes: *wT, wq, wu,wv * Ozone, CO2, DMS Wave spectrum Sea spray, rain, radiative fluxes Ship motions/navigation