Ocean Modelling for Beginners Phần 4 pptx

... a threshold value of around 1 /4 = 0.25. Richardson (1920) was the firs to derive this instability criterion. 3. 14 Exercise 4: The Coriolis Force in Action 55 3. 14. 4 Improved Scheme 2: The Local-Rotation ... book. 3. 14 Exercise 4: The Coriolis Force in Action 3. 14. 1 Aim The aim of this exercise is to predict the pathway of a non-buoyant flui parcel in a rotating flui subject to the...

Ngày tải lên: 07/08/2014, 04:20

... TheCaseofUniformDensity 43 3.12 TheCoriolisForce 43 3.12.1 Apparent Forces . 43 3.12.2 TheCentripetalForceandtheCentrifugalForce 44 3.12.3 DerivationoftheCentripetalForce 45 3.12 .4 TheCentrifugalForceinaRotatingFluid ... . 79 4. 4.3 Enabling Flooding of Dry Grid Cells . . . . . . 79 4. 4 .4 Flooding of Sloping Beaches . 79 4. 4.5 Ultimate Crash Tests . 80 4. 4.6 SampleCodeand...

Ngày tải lên: 07/08/2014, 04:20

... (%) 0 10 100 19.090.0 28.181.0 37.29 72.9 46 .56 65.6 55.959.0 65.31 53.1 74. 78 47 .8 84. 343 .0 93.87 38.7 10 3 .49 34. 9 11 3. 14 31 .4 12 2.82 28.2 13 2. 54 25 .4 14 2.29 22.9 15 2.06 20.6 16 1.85 18.5 17 ... A car moves at a certain speed into a certain direction. J. K ¨ ampf, Ocean Modelling for Beginners, DOI 10.1007/978-3- 642 -00820-7 3, C  Springer-Verlag Berlin He...

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... ·3 ∂ 3 f ∂x 3 +··· (4. 3) J. K ¨ ampf, Ocean Modelling for Beginners, DOI 10.1007/978-3- 642 -00820-7 4, C  Springer-Verlag Berlin Heidelberg 2009 65 72 4 Long Waves in a Channel Fig. 4. 6 The control-volume ... strongly deformed owing to the axis ratio chosen Fig. 4. 11 Exercise 5. Scenario 1. Same as Fig. 4. 9, but with  = 0.05 76 4 Long Waves in a Channel Fig. 4. 8 Stru...

Ngày tải lên: 07/08/2014, 04:20

... points J. K ¨ ampf, Ocean Modelling for Beginners, DOI 10.1007/978-3- 642 -00820-7 5, C  Springer-Verlag Berlin Heidelberg 2009 91 4. 6 Exercise 7: Long Waves in a Layered Fluid 87 Fig. 4. 20 Examples ... Figure 4. 21 illustrates such co-oscillations that occur for forcing periods of: T ≈ λ c ≈ 4 m L c for m = 1, 3, 5, (4. 30) where c is the phase speed of surface or interna...

Ngày tải lên: 07/08/2014, 04:20

... K ¨ ampf, Ocean Modelling for Beginners, DOI 10.1007/978-3- 642 -00820-7 6, C  Springer-Verlag Berlin Heidelberg 2009 119 5.10 Exercise 14: Island Wakes 117 5.10.7 Sample Code The folder “Exercise 14 ... their complete form including nonlinear terms, wind-stress forcing, the Coriolis force, the pressure-gradient force, bottom friction and lateral diffusion of momentum. The momentum e...

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... reader might also introduce some bottom friction. 6 .4 Geostrophic Flow 6 .4. 1 Scaling If we use the Coriolis force for reference, we can defin various force ratios that essentially compare different ... an ocean of uniform water depth h o being void of density stratification Large-scale oceanic f ows are associated with very small Rossby numbers. The nonlinear terms can therefore be ig...

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... denser ocean of uniform density (Fig. 6.20). 6.9 Exercise 18: The Wind-Driven Circulation 147 Fig. 6.18 Exercise 18. Same as Fig. 6.16, but for Scenario 3. The maximum sea-level elevation is 14 cm. ... Exercise for the Reader Repeat this exercise for the southern hemisphere situation with f =−1 ×10 4 s −1 . Does the model prediction agree with your expectations? 6. 14 Baroclinic...

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... 130, 132, 137, 140 , 141 , 142 , 143 , 144 , 146 , 148 , 150, 1 54, 155, 157, 158 quasi-geostrophic, 127, 129, 157, 158 shear, 58, 132–1 34, 135, 136 Force apparent, 28, 43 44 , 45 buoyancy, 34 36, 37, 38, ... 39 centrifugal, 43 45 , 46 47 , 50, 51 centripetal, 44 45 , 46 , 47 , 51, 52 coriolis, 28, 43 –57, 62, 63, 68, 91, 99, 119–120, 121, 122, 123, 137, 139, 152, 1 64, 165, 166 gr...

Ngày tải lên: 07/08/2014, 04:20

... P ∂z − g  3.7 Forces 27 3.7 Forces 3.7.1 What Forces Do A non-zero force operates to change the speed and/or the direction of motion of a flui parcel. In geophysical flui dynamics, forces are conventionally ... other, for the object’s location determines the density found in the ambient flui and, hence, the magnitude of the buoyancy force. 3.10 .4 Code Structure The code has three parts:...

Ngày tải lên: 23/09/2012, 14:49