Air-sea gas exchange of CO 2 and DMS in the North Atlantic by eddy covariance
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Air-sea gas exchange of CO 2 and DMS in the North Atlantic by eddy covariance

  • Author(s): Miller, Scott D
  • Marandino, Christa A
  • De Bruyn, Warren
  • Saltzman, Eric S
  • McCormick, C.
  • et al.
Abstract

We report the first simultaneous eddy covariance flux measurements of CO2 and dimethylsulfide (DMS) over the open ocean for two North Atlantic cruises. After normalization for Schmidt number, the two gases give essentially identical gas transfer coefficients and wind speed dependences for the wind speed range 2–10 ms−1. The data indicate a linear relationship between the gas transfer coefficient and mean wind speed, with measured gas transfer coefficients slightly above the Wanninkhof (1992) parameterization, particularly at low wind speeds.

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