Rivers Flashcards
Where does deposition occur the most in a river?
The inside
Which is the fastest flowing part of a river?
The outside
What is a levee?
A slope at the edge of a river?
Describe the characteristics of a river in its upper course?
Shallow and narrow
Slow flowing
Very straight
In a v-shaped valley?
Describe the characteristics of a river in it’s middle course?
Wider and deeper than upper course
Faster flowing
Some minor meanders
Describe the characteristics of a river in it’s lower course?
Very wide and very deep
Very fast flowing
Lots of meanders, oxbow lakes formed
Surrounded by flat floodplains
What is saltation?
?
What is traction?
The erosion of large rocks in a river, usually in the upper-middle course
What is solution?
The erosion of small particles of sediment in the lower course of a river
What is formed a long time after an ox-bow lake is cut off?
Ox-bow scar
