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Romero, J.R.; Alexander, R.. |
During April, May and August 2005 intensive field investigations were undertaken to characterize the physical limnology of Winam Gulf and Rusinga Channel regions of Lake Victoria in Kenya. Both the field data and numerical simulations with the three-dimensional (3D) hydrodynamics model, ELCOM (Estuary, Lake and Coastal Ocean Model), during these two field studies led to two major conclusions. First, though water currents in Rusinga Channel can be quite large (ca. 10-50 cm s-1), exchange through the channel is low because the tidal-like oscillations result in low net transport over a 24 hour period. Second, Winam Gulf can be segmented into four regions, two of which have relatively low flushing rates as compared to time scales of biogeochemical processing.... |
Tipo: Proceedings Paper |
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Ano: 2006 |
URL: http://hdl.handle.net/1834/2327 |
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Alexander, R.; Antenucci, J.P.; Attwater, G.. |
Winam Gulf (Kenya) is a large (surface area ~ 1400 km2) and shallow (<20 m) bay of northeastern Lake Victoria with only one connection to the open lake through Rusinga Channel. To understand the exchange dynamics between Winam Gulf and the offshore waters of Lake Victoria and the hydrodynamics of the region, field studies were carried out from Apr. 22-May 4 and Aug. 5-16 of 2005. A meteorological station (shortwave, total radiation, air temperature, relative humidity, wind speed and direction), thermistor chain (0.75m vertical resolution) and ADCP (40 cm vertical resolution) were deployed in Rusinga Channel in a depth of 20m. Similarly, at an offshore station in northeastern Lake Victoria another thermistor chain was deployed in a water depth of 40 m... |
Tipo: Proceedings Paper |
Palavras-chave: Hydrodynamics; Physical limnology; Lake dynamics; Current forces; Physical oceanography; Water circulation; Inland waters; Freshwater lakes; Coupled bodies. |
Ano: 2006 |
URL: http://hdl.handle.net/1834/1463 |
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