thefrog

Kelvin Waves are eastward propogating waves near the atmosphere. They have a vertical scale of about 10 km ... so clearly their speed is less than the phase speed for gravity waves given in my first post. Why is this? They are gravity waves, so do they have a 'reduced gravity' effecting them?

Also, are atmospheric Kelvin waves affected at all by the coastline? Of course the oceanic ones will be, as the coastline is a boundary for the ocean, but what about the atmospheric ones?

Hello, I'd like to compare oceanic and kelvin waves, I know that in oceanic kelvin waves, the phase speed is given by c = sqrt(gH) where H is the depth and g the acceleration due to gravity. Is the same true for atmospheric kelvin waves? What is their phase speed?