Conference paper Open Access

In situ measurements of the air-sea gas transfer rate during the MBL/CoOP west coast experiment

Haußecker, Horst; Jähne, Bernd

The controlled flux technique (CFT) uses heat as a proxy tracer for gases to
measure air-sea gas transfer rates. It has been used during the MBL/CoOP
West Coast experiment in April/May 1995 aboard R/V New Horizon for the
first time at sea. In this paper the technical realization of the sea-going instrument
is outlined and first measurements of the gas transfer rate in the
field are shown. The high temporal resolution reveals that the gas transfer
rates are intermittant with respect to space and time. Depending on surfactant
concentration and the patchiness of surfactants they vary up to +-25% of their temporal average for a certain wind speed within some minutes.

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