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La History
Chapter 1 Vocab
| Term | Definition |
|---|---|
| AQUIFER | an underground water reservoir |
| BAR | an underwater barrier of mud |
| BARRIER | an island running parallel to the mainland, built up by the action of waves and currents, that serves to protect the coast from erosion |
| BRACKISH | fresh and saltwater mixed together |
| CHENIER | a ridge of high ground in the coastal marsh that runs parallel to the coastline |
| COASTAL EROSION | the loss of coastal land |
| COASTAL MARSH | wet grassland along the coastline |
| COASTAL PLAIN | a low flat land region built up by the river sediment |
| CONTINENTAL DRIFT | the gradual movement of continents |
| CONTINENTAL SHELF | a relatively shallow seabed surrounding a continent |
| DELTA | a landform shaped by sediment deposits at the mouth of a river or tidal inlet |
| FAULT | a fracture in earth's crust |
| FLOODPLAIN | a plain boarding a river and subject to flooding |
| GEOLOGY | the study of how the earth was formed |
| GLOBAL WARMING | an increase of the average temperature of the earths atmosphere |
| LAGOON | a shallow body of water especially one separated from the larger body of water |
| LOESS | windblown deposit of fine grained silt |
| MAGMA | molten rock |
| MEANDER | to wind or turn |
| MUD LUMP | mound like formations at the mouths of rivers caused by pressure from depositing sediment |
| NATURAL LEVEE | strips of land |
| OXBOW LAKE | a crescent shaped lake formed when a river meander is cut off from the main channel |
| PANGAEA | an ancient supercontinent that included all the land masses of the earth |
| POINT BAR-POINT BAR | sediment built up in a turn of a river that forces the current to erode the opposite bank |
| RESERVOIR | a natural or artificial pond or lake used for water storage |
| SALT DOME | a tall vertical column of salt squeezed up through the ground by extreme pressure |
| SALTWATER INTRUSION | saltwater movement into a marsh |
| SEDIMENT | suspended particles of dirt and sand carried by river water |
| SEDIMENTARY ROCK | Rock formed by sediment and pressure |
| TECTONIC FORCES | forces that cause land masses to split apart of collide together |
| TERRACE | an elevated ridge of an old riverbed |
| WATER TABLE | the depth in the ground at which water is located |
Created by:
aprilmusgrove77
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