USAP-DC

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Air-Sea Fluxes of Momentum, Heat, and Carbon Dioxide at High Wind Speeds in the Southern Ocean Start Date: 2011-06-15 End Date: 2015-05-31 Description/Abstract Accurate parameterizations of the air-sea fluxes of CO2 into the Southern Ocean, in particular at high wind velocity, are needed to better assess how projections of global climate warming in a windier world could affect the ocean carbon uptake, and alter the ocean heat budget at high latitudes. Air-sea fluxes of momentum, sensible and latent heat (water vapor) and carbon dioxide (CO2) are to be measured continuously underway on cruises using micrometeorological eddy covariance techniques adapted to ship-board use. The measured gas transfer velocity (K) is then to be related to other parameters known to affect air-sea-fluxes. A stated goal of this work is the collection of a set of direct air-sea flux measurements at high wind speeds, conditions where parameterization of the relationship of gas exchange to wind-speed remains contentious. The studies will be carried out at sites in the Southern Ocean using the USAP RV Nathaniel B Palmer as measurment platform. Co-located pCO2 data, to be used in the overall analysis and enabling internal consistency checks, are being collected from existing underway systems aboard the USAP research vessel under other NSF awards. Personnel Person Role Miller, Scott Investigator and contact Funding Antarctic Ocean and Atmospheric Sciences Award # 1043623 AMD - DIF Record(s) USAP-1043623_1 Deployment Deployment Type NBP1210 ship expedition NBP1402 ship expedition Data Management Plan None in the Database Product Level: 0 (raw data) Datasets Repository Title (link) Format(s) Status R2R Expedition Data None exist R2R Expedition Data None exist USAP-DC Eddy covariance air-sea momentum, heat, and carbon dioxide fluxes in the Southern Ocean from the N.B. Palmer cruise NBP1402 None exists USAP-DC Eddy covariance air-sea momentum, heat, and carbon dioxide fluxes in the Southern Ocean from the N.B. Palmer cruise NBP1210 None exists Publications Butterworth, B. J., & Miller, S. D. (2016). Air-sea exchange of carbon dioxide in the Southern Ocean and Antarctic marginal ice zone. Geophysical Research Letters, 43(13), 7223–7230. (doi:10.1002/2016gl069581) Keywords Antarctica DISSOLVED GASES HEAT FLUX Platforms and Instruments