A-level geography 2024 Exam
Comprehensive
Study Guide
Exogenic river material - Answer>> Massmovement
Erosion
Sheetwash
Endogenic river material - Answer>> From stream bed and
bank
Bed-load - Answer>> Includes larger particles which cannot be
picked up by the current. They can be exogenic or endogenic
Saltation - Answer>> Sand, pebbles and gravel are temporarily
lifted and bounced along the river bed in a bouncing manner
Traction - Answer>> This is when the largest cobbles and
boulders are rolled along the river bed. The largest of those may
only be moved during times of extreme flood
Suspended load - Answer>> This consists of fine particles of
clay and silt which are dislodged and carried by turbulence in a
fast flowing river. This load is held in suspension within the river
body, and increases in amount towards the rivers mouth giving it
its brown or black color
Solution - Answer>> This involves dissolved particles,
especially if the bedrock is soluble and the river contains acid.
( can come from erosion, pollution and chemical weathering
Conditions for braiding - Answer>> 1: variable discharge
Comprehensive
Study Guide
Exogenic river material - Answer>> Massmovement
Erosion
Sheetwash
Endogenic river material - Answer>> From stream bed and
bank
Bed-load - Answer>> Includes larger particles which cannot be
picked up by the current. They can be exogenic or endogenic
Saltation - Answer>> Sand, pebbles and gravel are temporarily
lifted and bounced along the river bed in a bouncing manner
Traction - Answer>> This is when the largest cobbles and
boulders are rolled along the river bed. The largest of those may
only be moved during times of extreme flood
Suspended load - Answer>> This consists of fine particles of
clay and silt which are dislodged and carried by turbulence in a
fast flowing river. This load is held in suspension within the river
body, and increases in amount towards the rivers mouth giving it
its brown or black color
Solution - Answer>> This involves dissolved particles,
especially if the bedrock is soluble and the river contains acid.
( can come from erosion, pollution and chemical weathering
Conditions for braiding - Answer>> 1: variable discharge
