Dark Production : A Significant Source of Oceanic COS

  title={Dark Production : A Significant Source of Oceanic COS},
  author={M. Von Hobe and Anthony J Kettle and Meinrat O Andreae},
Carbonyl sulfide (COS) in air and dissolved in seawater was determined during a cruise in August 1999 in the Sargasso Sea in the northwest Atlantic Ocean. Dissolved concentrations at the sea surface displayed only a weak diel cycle with a mean of 8.6 + 2.8 pmol dm -3 owing to low abundance of photochemical precursors and high temperatures causing rapid hydrolysis. Depth profiles measured over the oceanic mixed layer revealed significant vertical gradients of COS concentration with higher values… CONTINUE READING
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