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10 Cards in this Set
- Front
- Back
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current that flows in the direction opposite the main current |
countercurrent |
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strong current formed as a wave retreats through a gap in a sandbar |
rip current |
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upward-flowing current |
upswelling |
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gentle current from receding waves |
underflow |
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wave with white foamy top due to strong winds |
whitecap |
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the length of time between one crest and the next |
period |
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wave with a white crest due to shallow water |
breaker |
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gentle, rolling wave that may appear even during calm weather |
ocean swell |
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the depression in the water between crests |
trough |
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giant wave, usually caused by an undersea earthquake |
tsunami |
