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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [23807]
Sensitivity of a global ice-ocean model to the Bering Strait throughflow Goosse, H.; Campin, J.M.; Fichefet, T.; Deleersnijder, E. (1997). Sensitivity of a global ice-ocean model to the Bering Strait throughflow. Clim. dyn. 13: 349-358 In: Climate Dynamics. Springer: Berlin; Heidelberg. ISSN 0930-7575; e-ISSN 1432-0894, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 263047 [ download pdf ]

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Trefwoorden

Analysis > Mathematical analysis > Numerical analysis Ice > Sea ice Motion > Water motion > Circulation > Water circulation > Ocean circulation Motion > Water motion > Circulation > Water circulation > Ocean circulation > Thermohaline circulation Ocean-ice-atmosphere system INE, Bering Strait [Marine Regions] Marien/Kust

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Auteurs		Top
Goosse, H., meer Campin, J.M. Fichefet, T., meer Deleersnijder, E., meer

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Abstract

To understand the influence of the Bering Strait on the World Ocean's circulation, a model sensitivity analysis is conducted. The numerical experiments are carried out with a global, coupled ice-ocean model. The water transport through the Bering Strait is parametrized according to the geostrophic control theory. The model is driven by surface fluxes derived from bulk formulae assuming a prescribed atmospheric seasonal cycle. In addition, a weak restoring to observed surface salinities is applied to compensate for the global imbalance of the imposed surface freshwater fluxes. The freshwater flux from the North Pacific to the North Atlantic associated with the Bering Strait throughflow seems to be an important element in the freshwater budget of the Greenland and Norwegian seas and of the Atlantic. This flux reduces a freshening of the North Atlantic surface waters, which reduces the convective activity and leads to a noticeable (6%) weakening of the thermohaline conveyor belt. It is argued that the contrasting results obtained by Reason and Power are due to the type of surface boundary conditions they used.

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