Watermasses, currents and tides at the Sofala Bank, November 1987
1995
Honguane, A.M. (Instituto de Investigacao Pesqueira, Maputo (Mozambique)) | Tor, Gammelsrod
The Southern part of the Sofala Bank was investigated. A net of closely spaced hydrographic stations were obtained and a current metermooring consisting of two current meters and a bottom pressure recorder was deployed. High salinity shelf water was observed near shore with a maximum salinity above 36.6 ppt. Both average and tidal currents are discussed. The mean currents are steered by the continental slope and seem to be influenced by the wind. The tides have strong semidiurnal components, with a major axis of 53cm/5 perpendicular to the coast at 60 m depth. The possibility that the tides may transport passive drifters with a diurnal vertical migration pattern up to a few kilometers a day is considered.
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