The Air-Water Interface: Turbulence and Scalar Exchange

Transport processes at gas-liquid interfaces play a central role in many industrial and environmental systems. For example, such processes at the air-water interface impact evaporation of water from reservoirs, control of regional climate, evasion of carbon in tropical river systems, and the aeration of hypoxic water, to name a few. There has also been recent intense interest in this area associated with the transport of greenhouse gases and moisture between the atmosphere and terrestrial water bodies. But despite all this activity, recent estimates of oceanic carbon dioxide uptake still vary by factors ∼2. Since carbon dioxide is thought to be sequestered in the oceans at a rate equivalent to ∼40% of its generation rate from man-made sources, such uncertainties have obvious policy implications.

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