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http://hdl.handle.net/1834/555
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| Title: | Reversing Bottom Circulation in the Somali Basin |
| Authors: | Molinari, R.L.
Beal, L.M.
Chereskin, T.K.
Robbins, P.E. |
| ASFA Terms: | Hydrographic data |
| Issue Date: | 15-Aug-2000 |
| Citation: | Geophysical Research Letters, 27(16), p. 2565-2568 |
| Abstract: | Two sets of direct velocity measurements were
taken, concurrent with hydrographic data, in the bottom
waters of the northern Somali Basin in June and September,
1995. The velocities indicate a temporal flow reversal in
the bottom circulation, which is consistent with the changing
density structure between the sections. In June, there
is evidence of a southward Deep Western Boundary Current
with a transport of 5 Sv. By September, flow close to the
boundary is northward, with a transport of 2.6 Sv. Furthermore,
the deep density gradient across the interior of
the Somali Basin also changes between occupations, implying
a cyclonic circulation in June and anticyclonic flow in
September. Rossby wave activity is high in this region during
the southwest monsoon, yet there is also evidence of a
strong barotropic component to the Great Whirl in September,
which may cause the reversal in the abyssal circulation. |
| URI: | http://hdl.handle.net/1834/555 |
| ISSN: | 0094-8276 |
| Appears in Collections: | Miscellaneous
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