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Vocabulary for Chapter 9 By Tomi Ogundayo. Water Cycle. The water cycle is a continuous cycle where water evaporates, travels into the air and becomes part of a cloud, falls down to earth as rain, and then evaporates again. This repeats again and again in a never-ending cycle. . Runoff.
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Water Cycle • The water cycle is a continuous cycle where water evaporates, travels into the air and becomes part of a cloud, falls down to earth as rain, and then evaporates again. This repeats again and again in a never-ending cycle.
Runoff • That part of the precipitation that appears in surface water bodies after traveling across land.
Water Inflitration • The movement of water from the soil surface downwards into the soil profile.
Stream System • The fundamental unit of study for fluvial processes is the drainage basin or watershed.
Watersheds and Divides • A watershed is the area of land where all of the water that is under it or drains off of it goes into the same place
Pennsylvania Drainage Basins • is a part of the surface of the earth that is occupied by a drainage system, which consists of a surface stream or a body of impounded surface
Stream Load– Suspension & Bed Load • The rock particles and dissolved ions carried by the stream
Stream Carrying Capacity • How much the stream can carry before it gives way.
Floodplain • Areas that are flooded periodically (usually annually) by the lateral overflow of rivers.
Flood • A form of natural disaster when there is more water than the lakes, rivers, oceans, or ground can hold.
Meander, Point Bar, Cut Bank, Oxbow, & Oxbow Lake • An oxbow lake is a U-shaped lake water body formed when a wide meander from the mainstream of a river is cut off to create a lake.
Delta • The fan-shaped area at the mouth or lower end of a river, formed by eroded material that has been carried downstream and dropped in quantities
Eutrophication • The slow aging process during which a lake, estuary, or bay evolves into a bog or marsh and eventually disappears.
Marsh • low-lying wet land with grassy vegetation; usually is a transition zone between land and water
Swamp • is a wetland that is dominated by woody plants (shrubs and trees). Swamps are often near rivers or streams.
Lake Formation and Evolution • How a lake forms and how it transforms into a bigger body of water.