General
The area drained by a river and its tributaries.
What is a river basin?
Where a river begins, high up in the mountain.
What is the source?
Bends that form in the middle course of a river due to greater lateral erosion.
What are meanders?
Formed when meanders are cut off.
What is an oxbow lake?
Where the river enters the sea.
What is the mouth?
The high ground that separates two river basins.
What is a watershed?
Vertical drops in the upper course of a river formed by vertical erosion.
What is a waterfall?
Smaller rivers that join a larger river at a confluence.
What are tributaries?
Ridges of sediment deposited on the banks of the river in the lower course.
What are levees?
The part of the river affected by tides. Sometimes a delta will be deposited here.
What is an estuary?
The journey the river takes to the sea.
What is the river course?
Criss-crossing hills that form as the river erodes the softer rock.
What are interlocking spurs?