54
K. Myrberg and A. Lehmann
Fig. 2.9 Long-term mean surface circulation (cm/s) in the Baltic Sea according to lightship measurements. The persistency of currents is marked as percentages (Palmén 1930; Sjöberg 1992).
From Leppäranta and Myrberg (2009)
2.3.8 Three-Dimensional Water Circulation
The above quasi-permanent cyclonic circulation takes place in the upper layer of
the Baltic Sea. In the lower layer the water dynamics is rather different from that
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