Drainage Basin

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Drainage Basin
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Drainage Basin all the area of land drained by
one river and its tributaries
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Watershed or water divide. The edge of a drainage
basin.
The high ground that divides one drainage basin
from another.
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Watershed
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Watershed
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Source - The point where a river starts.
The Mississippi with its source Lake Itasca at
450 m. above sea level in northern Minnesota.
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Tributary the Missouri joins the Mississippi. A
small river that flows into a bigger river is a
tributary.
The Mississippi is joined by the Illinois River
and the Missouri River at Saint Louis, and by the
Ohio at Cairo, Illinois. The Arkansas River joins
the Mississippi in the state of Arkansas.
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Confluence Where two rivers join.
The Missouri flows into the Mississippi. The Big
Muddy and The Mighty Mississippi. First
explored 1804 by Lewis and Clark.
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Channel where a river flows. Often between two
banks and on one bed. But not always.
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Mississippi flood plain with meaders and ox-bow
lakes,
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Mouth the end of a river.
The Mississippi has built a delta at its mouth.
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The Mississippi flows into the Gulf of Mexico.
Hurricanes occur here! The delta can be swamped
by the sea.