Equatorial Rossby waves, often called planetary waves, are very long, low frequency water waves found near the equator and are derived using the equatorial beta plane approximation. == Mathematics == Using the equatorial beta plane approximation, f = β y {\displaystyle f=\beta y} , where β is the variation of the Coriolis parameter with latitude, β = ∂ f ∂ y {\displaystyle \beta ={\frac {\partial f}{\partial y}}} .
Equatorial Rossby waves, often called planetary waves, are very long, low frequency water waves found near the equator and are derived using the equatorial beta plane approximation. == Mathematics == Using the equatorial beta plane approximation, f = β y {\displaystyle f=\beta y} , where β is the variation of the Coriolis parameter with latitude, β = ∂ f ∂ y {\displaystyle \beta ={\frac {\partial f}{\partial y}}} .
Source: Wikipedia "Equatorial Rossby wave" · CC BY-SA 4.0
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