Rivers🏞️ Flashcards
What are the 3 stages of a river
Upper course
Middle course
Lower course
Name 3 features of the upper course river stage
Smaller river, flows down steep slopes, erodes riverbed vertically
Name 3 features of a middle course stage river
Large river
Flows quickly down gentle slopes
Erodes river bank latterly
Name 3 features of a lower course river stage
Very large river
Flows and fiat slopes
Deposits lots of material carried from upstairs
Where can a waterfall be found
A waterfall can be found in the youthful stage of a river
How are waterfalls formed
Waterfalls are formed in the upper stages of a river from different stages of erosion which include hydraulic action, abrasion and attrition
What is a negative human reaction with rivers
Industrial pollution
What is a source
The beginning or start of a river
What is a course
The route a river takes to the sea
What is a confluence
The point at which two rivers or streams join together
What is tributary
A stream or smaller river that flows into a larger stream or river
What is the mouth of the river
The point where a river comes to the end, usually when entering the sea
What is the drainage basin
The area of land drained by a river
What is the watershed
The area of high ground which separates two drainage basins
What is the estuary
The part of a river mouth that is tidal
What is attrition
The small stones in the river are worn down and broken up as they hit off each other.
What is solution
Rocks, such as limestone, and soil are dissolved by acids in the water.
What is a delta
A fan-shaped area od land found at the mouth of a river
What is a flood plain
Area that gets covered with water when the river floods
