Etudes et évaluation de processus océaniques par des hiérarchies ...

4.1. VARIABILITY OF THE GREAT WHIRL FROM OBSERVATIONS AND MODELS45
1282
A. Wirth et al. / Deep-Sea Research II 49 (2002) 1279–1295
Moored GW observations
1995 1996
1528/06/95
15 28/06/96
12˚N
12˚N
10˚
10˚
8˚
8˚
0.75 m/s
6˚
50˚ 52˚ 54˚ 56˚E
6˚
50˚ 52˚ 54˚ 56˚E
15 28/07/95
15 28/07/96
12˚N
12˚N
10˚
10˚
tel-00545911, version 1 - 13 Dec 2010
8˚
6˚
50˚ 52˚ 54˚ 56˚E
12˚N
10˚
8˚
15 28/08/95
6˚
50˚ 52˚ 54˚ 56˚E
12˚N
10˚
15 28/09/95
8˚
6˚
50˚ 52˚ 54˚ 56˚E
12˚N
10˚
8˚
15 28/08/96
6˚
50˚ 52˚ 54˚ 56˚E
12˚N
10˚
15 28/09/96
8˚
8˚
6˚
50˚ 52˚ 54˚ 56˚E
6˚
50˚ 52˚ 54˚ 56˚E
Fig. 2. Time series of near-surface current vector plots from the Great Whirl and Socotra Passage region (15 day means) for June–
September (a) 1995, (b) 1996. Note the differences in GW intensities of both years and that the 1996 GW collapsed much earlier (from
Schott and McCreary, 2001).