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PHS 120 Lesson 10 Tides and Currents
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| A | B |
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| Surface currents | Wind driven |
| Upwelling | Brings nutrients from the deep ocean to the surface |
| Deep ocean currents | Density driven |
| Tidal buldges | Determined by differences in gravitational forces |
| Flood tide | Incoming tide |
| Ebb tide | Outgoing tide |
| Knot | Measure of velocity |
| Ekman spiral | Refers the the transport of water as a result of wind |
| Western boundary currents | Fast, narrow, deep |
| Eastern boundary currents | Slow, wide, shallow |
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