Running Water Chapter 16 - Running Water Chapter 16...

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Running Water Chapter 16  04/03/2008 02:43:00 Water Cycle Water is moved from the oceans to the atmosphere. Also, Water on land (streams/on plants, etc) is pulled into the atmosphere Evaporation does this.  Using energy to turn water from its liquid phase into  its vapor phase Transpiration – when water goes from underground, up through the roots, and  then goes up through the plant. o Both evaporation and transpiration, are classified as  evapotranspiration (ET)… they both move water up and out of land o 1/3 of the water that ends up on land runs off into ocean, the other 2/3  ends up in atmosphere Precipitation (rain) gives water back to ocean/land Ice Sheets: Antarctica and Greenland Icecap the Ice melts into the oceans Running water shapes the land into networks of rivers & valleys Loess Plateau, northern china.   Kentucky (shaded relieve image) Drainage Basin: Area of land that contributes flow to a particular point along a stream. (also  called river basin, watershed, catchmen) Draingage Divide: marks the edge of two adjacent drainage basins Drainage Basins are nested Hill Slopes and Channels (look at the slide to see examples)  (the land is divided  up to hill slopes and channels by water in channels that erodes the land until steeper  hills and deeper channels) Drainage density – the total length of channels divided by the area Catchment water budget Change in Water = Precipitation – ET – Runoff.
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