Rivers Flashcards
what is river discharge
The volume of water flowing through a channel
What is a rising limb
Increase in river discharge from base flow to peak discharge
What is an estuary
Tidal river mouth found where tide meets stream
What is lag time
Time difference between peak rainfall and peak discharge
How is natural levee formed (3)
.River floods
.Sediment deposited on banks because not enough energy to carry through river
.Process repeats as deposited sediment forms raised embankments called levees
What does a high river gradient mean
It means that it loses height quickly throughout its course
What is a delta
An area of low flat land where a river branches out before reaching the ocean
What is the name of a river flowing into a larger river
A tributary
What is the difference between suspension and solution
Whereas in solution, the sediment has been dissolved into the river, suspension just moves tiny eroded pieces of sediment
How does the watershed relate to the drainage basin
The watershed is the edge of the basin where water is drained into the river in question
Confluence
Where 2+ rivers combine into one channel
What form of soft engineering causes oxbow lakes to form
River straightening