Abstract
To discuss processes of dynamics of baroclinic atmosphere in adiabatic approximation under quasi-static condition we consider the two-dimensional system of equations obtained by averaging over height [1]:
M(∂tV + (V, ∇) V) = -∇P + lMV⊥ + б Mr, (1-2)
∂ t M+div(MV)=0, (3)
∂ t P+(V, ∇P)+kPdivV =0, (4)
Here \(V = ({V_1},{V_2}) = \bar v,P = \hat p,M = \hat \rho ,(\hat \psi = \smallint _0^\infty \psi dz,\bar \psi = \tfrac{1}{{\hat \rho }}\smallint _0^\infty \rho \psi dz for some given function \psi )\), r is the radius-vector of point in R.2, V⊥ = (V2, -V1), p≥ 0 - the density, p≥ 0 - the pressure V- the velocity vector, \( k = \frac{{2\gamma - 1}}{\gamma }, \) r - specific heat ratio (r > 1), 1 = 2w2 sin Ø - the Coriolis parameter, w = const - the angular velocity of Earth rotation, Ø - the latitude. For the processes of middle scale the value of 1 can be considered approximately as the constant. Note that if r > 1, then ir ∈ (1, 2), and lim r →∞ k = 2. The parameterбmay be equal w2 or zero in dependence on the centrifugal force is taken into account or not.
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References
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Rozanova, O.S. (1999). Blow-up of Solutions in System of Atmosphere Dynamics. In: Jeltsch, R., Fey, M. (eds) Hyperbolic Problems: Theory, Numerics, Applications. International Series of Numerical Mathematics, vol 130. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8724-3_30
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DOI: https://doi.org/10.1007/978-3-0348-8724-3_30
Publisher Name: Birkhäuser, Basel
Print ISBN: 978-3-0348-9744-0
Online ISBN: 978-3-0348-8724-3
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