A river is a natural flowing watercourse, usually freshwater, flowing towards an
ocean, sea, lake .... Sometimes the river will cut off a loop, shortening the channel
and forming an ... rivers are f...
Jun 30, 2011 ... In order to describe the formation of a river system, we need to start at its origin.
Learn how and where a river starts and its role as a drainage ...
Episodic rivers: Rarely occurring rivers formed from runoff channels in very dry ...
land that separates the catchment area of one river system from that of another; ...
Sep 6, 2015 ... Chart: The world's ten longest river systems (some are made up of two or three ...
The steepness means the water flows quickly, often forming ...
A natural lake is a fairly large body of water occupying an inland basin (low-lying
geographic area). Lakes cover only about 1 percent of the continents, and ...
Potholes. Potholes are cylindrical holes drilled into the bed of a river that vary in
depth & diameter from a few ... A pothole that has formed along the River Clyde.
A secondary school revision source for GCSE Geography on river landforms,
including upper course, middle course ... The formation of waterfalls and rapids.
Jan 25, 2002 ... The different stages of a river, and how rainfall in the Mourne Mountains in
Northern Ireland travels to Belfast. A river has three stages - upper, ...
Formation of natural levees by spill-over of sediment during floods. ... build up,
and gradually raise up the river over the floodplain (mainly fine sediments).
For full treatment, see river: Deltas. ... River system component ... and the sea
was deltoid in shape and so used the Greek letter Δ (delta) to describe it. ...
reference to shape, to the exposed and submerged plain formed by a river at its