| Wave Propagation and Reflection |
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| q | It
takes Kevin wave |
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| (phase
speed = 2.9 m/s) |
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| about
70 days to cross the |
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| Pacific
basin (17,760km). |
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| q | It
takes Rossby wave |
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| about
200 days (phase |
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| speed
= 0.93 m/s) to cross |
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| the
Pacific basin. |
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| (Figures
from IRI) |