Chapter 11 Flashcards
(9 cards)
River systems begin in high altitudes…True of False?
True
What is alluvium?
general term for clay, silt, and sand transported by rivers
What is a drainage basin/watershed?
Area of land drained by a certain river
What is a drainage divide?
seperated by ridges in a drasin basin
What is a continental divide?
Mountains that separate basins that drain into different oceans and seas
What is a delta?
a depositional plain formed where a river enters a lake or an ocean—triangular shape
What is a flood plain?
a low lying area near a stream channel subject to recurrent flooding
what is point bar ?
the inner portion of a stream meander that recieves sediment fill
what is oxbow lake?
a lake that is formerly part of the channel of a meandering stream, isolated when a stream eroded its outer bank, forming a cut off through the neck of a looping meander