Tides/Currents/Winds
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11 terms
Terms | Definitions |
|---|---|
 Diurnal Tide | astronomical tide only one high tide and one low tide |
| Ebb Tides | tidal currents flowing seaward with falling sea levels |
| Semi-Diurnal Tides | astronomical tide two high tides and two low tides |
| Red Tides | discoloration of surface ocean waters by high amounts microscopic organisms: algal bloom |
| Fetch | distance wind blows over a water surface |
| Flood Tides | tidal currents directed toward land, causing water to rise in harbor |
| Coastal Downwelling | downward movement of warm surface waters along coast |
| Coastal Upwelling | up movement of cold nutrient-rich water along coast |
| Gyre | nearly circular motion of surface ocean currents in each of major ocean basins |
| El Nino | warming of surface waters in tropical pacific; 12-18 months; occurs every 3-7 years |
| La Nina | episode of strong trade winds |
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