| A | B |
|---|
| erosion | process where products of weathering are moved from one place to another |
| sand dune | mound of sand depositied by the wind |
| load | amount of sediment carried by a stream |
| sea cliff | steep face of rock produced by wave action |
| terrace | flat platform of rocks, sand, and silt at the base of a sea cliff |
| sea stack | a column of resistant rock left behind after a sea cliff has eroded |
| sea cave | hollowed out portion of a sea cliff |
| longshore current | movement of water parallel to a shoreline |
| sand bar | long, underwater ridge of sand |
| spit | sandbar connected to the shoreline |
| runoff | rills, gullies, streams, rivers |
| barchan dune | crescent shaped, open side faces away from wind, common, found in deserts |
| parabolic dune | cresent shaped, open side faces into the wind |
| transverse dune | series of ridges of sand in long, wave-like patterns-form at a right angle to the wind |
| longitudinal dune | ridges of sand in long, wave-like patterns that lie parallel to the wind direction |
| tombolo | deposits that connect an offshore island to the mainland |
| beach | a deposit of sand or rock fragments along an ocean shore |
| berm | raised section at the back of the beach |
| sandbar | long ridge of sand deposited offshore |
| swash | motion of water up a beach |
| backwash | water that runs back down the beach under the next wave |
| undertow | strong backwash |
| estuary | bay where freshwater and saltwater mix |
| barrier island | long narrow offshore ridges of sand many kilometers long, it lies parallel to the shore |
| lagoon | narrow region of shallow water between barrier islands and shore |
| coral reefs | ridge-like features made from millions of coral skeletons- form around tropical volcanic islands |
| fringing reefs | coral reef formed around the coast of a volcanic island |
| barrier reefs | coral reef that forms around the remnant of an island |
| atoll | nearly circular coral reef surrounding a shallow lagoon where a volcanic island used to be |
