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Geo 101 final review
Coastlines and Ocean Basins
| Question | Answer |
|---|---|
| Where does most volcanic activity on the sea floor take place? | Mid-ocean ridges |
| Key to shoreline dynamics | Wind motion |
| Depend on wind speed, duration, and distance | Wind waves |
| Longshore currents | Parallel to the shoreline |
| Transport of sediment, close to the shoreline, mainly in the swash zone | Longshore drift |
| Currents that are perpendicular to the shoreline | Rip currents |
| Occur when the solar and lunar tides are in phase | Spring tides |
| Occur when the solar and lunar tides are out of phase | Neap tides |
| The rate at which sand is supplied to the beach, versus the rate at which it is being removed is known as what? | The sand budget |
| A broad platform extending from the shoreline to the continental slope | Continental shelf |
| Dissected by submarine canyons and formed by submarine landslides | Continental slope |
| Extends beyond the continental rise typically 4-6km below sea level; flattest surface on the Earth | Abyssal plain |
| How deep is the deepest part of the ocean? | 10km deep |