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Typical Estuarine Circulation

Speed of Wave. Energy. Momentum. Typical Estuarine Circulation. H = depth of upper layer. Observed velocity of the nose = 30 km in 20 h = 0.4 m/s. Theoretical = [ 2 g’ H ] 0.5. g’ = g (density upper - density lower)/(reference density) g’ = 10 (4)/1000 = 0.04 m/s 2. H = 10 m.

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Typical Estuarine Circulation

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  1. Speed of Wave Energy Momentum Typical Estuarine Circulation H = depth of upper layer

  2. Observed velocity of the nose = 30 km in 20 h = 0.4 m/s Theoretical = [ 2 g’ H ]0.5 g’= g (density upper - density lower)/(reference density) g’ = 10 (4)/1000 = 0.04 m/s2 H = 10 m Theoretical = [ 0.8 ]0.5 = 0.9 m/s In this example, the flow is subcritical with respect to the internal gravity current speed

  3. Mean density anomaly Mean principal-axis flow

  4. Mean Flow at Meninea

  5. Salinity Temperature °C Density Anomaly (kg/m3)

  6. Strait of Magellan Seno Ballena

  7. sill’s depth Mean Flow at mooring site

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