Temporal scales for transport patterns in the Gulf of Finland

Viikmäe, Bert, Soomere, Tarmo, Viidebaum, Mikk, and Berezovski , Mihhail (2010) Temporal scales for transport patterns in the Gulf of Finland. Estonian Journal of Engineering, 16 (3). pp. 211-227.

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Abstract

The basic time scales for current-induced net transport of surface water and associated time scales of reaching the nearshore in the Gulf of Finland, the Baltic Sea, are analysed based on Lagrangian trajectories of water particles reconstructed from three-dimensional velocity fields by the Rossby Centre circulation model for 1987–1991. The number of particles reaching the nearshore exhibits substantial temporal variability whereas the rate of leaving the gulf is almost steady. It is recommended to use an about 3 grid cells wide nearshore area as a substitute to the coastal zone and about 10–15 day long trajectories for calculations of the probability of reaching the nearshore. An appropriate time window for estimates of the properties of net transport patterns is 4–10 days.

Item ID: 17340
Item Type: Article (Refereed Research - C1)
Keywords: hydrodynamic modelling, currents, Lagrangian transport, Gulf of Finland, Baltic Sea
ISSN: 1736-7522
Date Deposited: 29 May 2011 22:46
FoR Codes: 04 EARTH SCIENCES > 0405 Oceanography > 040503 Physical Oceanography @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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