Hidrodinámica Estuarina

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Presentation transcript:

Hidrodinámica Estuarina Arnoldo Valle-Levinson University of Florida Civil and Coastal Engineering Department Gainesville, Florida

What is an estuary? Estuaries Coastal lagoons Semi-enclosed coastal body of water free communication with ocean ocean salinity is measurably diluted by runoff

Typical Estuarine Circulation

Review of conservation equations Mass and Momentum

Boussinesq approximation This is the Continuity Equation or Equation of Conservation of Mass

z x Continuity Equation in Bulk Form:

Advection-Diffusion Equation Conservation of Salt: At steady state and assuming constant diffusivities: Advection-Diffusion Equation Further assuming motion in one direction and integrated over the volume considered, the statement of CONSERVATION OF SALT may be given as: Vin Sin = Vout Sout

z Sb S0 x Continuity Equation in Bulk Form: Salt Conservation Equation in Bulk Form: VbSb = V0S0

Conservation of Salt: Conservation of Heat: Equation of State:

Conservation of Momentum (Equations of Motion)