Geostrophic Flow Calculation and Visual Analysis
Geostrophic flow concept through calculations and visual representations. Understand the interactions of pressure gradient force, Coriolis effect, and geostrophic flow in oceanic systems, as demonstrated in the Bahamas and Florida regions. Analyze the density variations and the impact of different parameters on ocean currents.
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Presentation Transcript
Red = PGF Blue = Coriolis Black dash = Geostrophic flow
Geostrophic calculation using SSH Calculate SSH gradient Calculate Coriolis parameter, A: = 0.2 (m), X = 3 x 106 (m), f = 0.7 x 10-4 (s-1), and U = 0.9 x 10-2 (m/s). B: = 2 (m), X = 1.5 x 106 (m), f = 1.3 x 10-4 (s-1), and U = 10 x 10-2 (m/s). C: = 1 (m), X = 0.7 x 106 (m), f = 1 x 10-4 (s-1), and U = 14 x 10-2 (m/s).
The Bahamas (east) Florida (west)
H L The Bahamas (east) Florida (west) More dense Less dense
H L The Bahamas (east) Florida (west) PGF Coriolis More dense Less dense
H L The Bahamas (east) Florida (west) PGF Coriolis More dense Less dense
