miércoles, 6 de abril de 2011

Water and Deposition

Runoff:
Water that doesn´t soak in the ground or evaporate but instead flows across Earth´s surface.




Channel:
Water moving down the same path creates a groove.





Sheet Erosion:
Occurs when water that is flowing as sheet picks up and carries away sediments.









Drainage Basin:
Is the area of land from which a stream or rivers collect runoff.





Meander:
The curve that grows to become a broad arc.









Groundwater:
Water that soaks into the rock underlying the soil.









Permeable:
Describes soiland rock with connecting pores through which water can flow.









Impermeable:
Describes materials that doesn´t pass by water.





Aquifer:
Layer of permeable rock that allows water to pass.





Water Table:
Upper surface of the zone of saturation drops during a dought.





Spring:
Forms when the water tablets meets Earth´s surface.






Geyser:
Hot spring that erups and shoot water.







Cave:
Underground opening that can form by limestone.









Longshore Current:
Water that runs parallel to the shoreline.







Beach:
Are deposits of sediments that are parallel to the shore.