Investigating marine shallow waters dynamics to explore the role of turbidity on ecological responses

Di Marca, S; Lo Martire, M; Sarà, G

Risultato della ricerca: Paper

Abstract

The ecological tangible effect of the complex interaction between sediments and water column in shallow waters is represented by turbidity which is a common feature of most aquatic ecosystems: it varies both temporally and spatially. Turbidity can cover large areas and persist for long periods or it can be very localized and temporary. Among many factors able to generate turbidity, wind generated wave action and water mass movements due to tides seem important in causing resuspension of sediments. Although there is much research spent in last decades on this topic and many models to explain the complexity of the windwater-sediment interaction, some interactive aspects are highly site specific and then still poorly understood. On the other hand, this interaction involves many physical, chemical and trophic aspects like water flow velocity, turbulence, boundary layer thickness, environmental stresses and, in turn, resuspension, transport, and deposition of particulate matter, mechanical limits to size, larval dispersion, food availability.
Lingua originaleEnglish
Stato di pubblicazionePublished - 2009

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