Conference paper Open Access

From mean fluxes to a detailed experimental investigation of the gas transfer process

Jähne, Bernd

Three new experimental techniques are discussed which allow а much more detailed investigation of the gas transfer process than any previous techniques. Using heat as а proxy tracer for gases allows to control the flux across the interface and to measure the local transfer rate with а time resolution of several minutes in the field. The two other techniques are based on acid and alkaline gases and fluorescent pH indicators. They are used in wind/wave tunnels to measure the spatial and temporal patterns of the thickness of the mass boundary layer and time series of vertical concentration profiles within the boundary layer.

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