Erosion Flashcards
erosion
the process by which wind,water,ice, or gravity transports soil and sediment form one location to another
weathering
the process of wearing or being worn by long exposure to the atmosphere.
water cycle
the continous movement of water from the ocean to the atmosphere to the land and back to the ocean
evaporation
takes place when water from the oceans and the Earths surface changes omto water vapor.
condensation
takes place when water vapor cools and changes into water droplets that form clouds in the atmosphere.
precipitation
is rain,snow,sleet,or hail that falls from clouds onto the earths land and ocean
surface runoff
is precipitation that flows over land into streams and rivers
tributary
a stream that flows into a lake or into a larger stream
watershed
the area of land that is drained by a water system
continental divide
the boundary between drainage areas that have streams that flow in opposite directions
deposition
the process in which material is laid down
delta
a fan-shaped mass of material deposited at the mouth of a stream
floodplain
an area along a river that forms from sediments depostied when the river overflows its banks
water table
the upper surface of underground water; the upper boundary of the zone of saturation
sewage treatment plants
a facility that cleans the waste materials found in water that comes from sewers or drains