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Defend Earth from alien invaders
An illustration that water is throughout every earth system
A river and all of it's tributaries
All of the land where rain fall will run off into a river system
an imaginary line between two drainage basins
Splits country in two
Shape the rivers make
Drainage pattern. Like a tree, with progressively bigger rivers, all ending into one large river at the bottom.
Drainage pattern. All rivers moving out from one central spot
Drainage pattern. Rivers flowing into right angles
Drainage pattern. Right angles into major spot
Sediments that are moved along the bottom (bed) of a river. Biggest material.
Modes of Transportation
Ways sediments are moved throughout a river.
Skipping. A combination of bed load and suspended load.
Particles and sediments disolved into the water.
Removal of sediment. The faster the river moves the more erosion will take place.
When sediment is dropped by a river. When a river slows down, material can no longer be carried and get deposited on the river bed.
Straight, high velocities, V shaped valley, downcutting
Holes carved into rock at the base of river with a whirlpool action.
curves and meanders, cutoffs, point bars, cut banks, low gradient
Middle Aged Rivers
Meanders formed, deposition, point bars
Barriers composed of sediments made on either side of a river due to flooding.
The elevation to which a river has the ability to erode its bed down to, everywhere along its course, Lowest elevation to which the stream can erode downward, for many streams, the water surface level of the body of water into which they flow
a measure that describes the maximum size of the particles a stream can carry
a low triangular area where a river divides before entering a larger body of water
The volume of water a river transports over a given amount of time.
Process of selection and separation of sediment grains according to their grain size (or grain shape or specific gravity).
a sudden local flood of great volume and short duration
the rising of a body of water and its overflowing onto normally dry land
a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding
the slope of a river over a certain distance
the process through which land is worn away at the head of streams or gullies
The remnants of an old meandering river (without water)
the amount of sediment that a river or stream carries
wide and deep, loop-like bend in the course of a river
a crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel
downstream and outside side of the meander, flows somewhat faster
The process by which one stream captures the headwaters of another stream
a mixture in which particles of a material are more or less evenly dispersed throughout a river
a branched river that flows into the main streaming river
a ridge of land that separates two adjacent river systems
deposit of sediment build up by a river on the inside bend of a meander
The total amount of sediment a river can hold.
Fernando De Soto
First European to see the Mississippi River
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