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Typical Estuarine Circulation

Explore the speed of wave energy, momentum, and typical estuarine circulation in this detailed example. Learn about density anomalies, internal gravity currents, and more in the context of the Strait of Magellan and Seno Ballena.

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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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