Glossary
·Source:’ The place where a river begins its journey is called its
source ‘( wikipedia.com)
·Mouth: ‘the place where the river empties into another body of
water. ‘ (sjrwmd.com)
·Tributary: ‘A river or stream flowing into a larger river or lake.’
·Waterfall: ‘A cascade of water falling from a height, formed when a river or
stream flows over a precipice or steep incline.’
( dictionary.com)
·Meander: ‘A winding curve or bend of a river’( dictionary.com)
·Delta: ‘A triangular tract of sediment deposited at the mouth of a river.’
( dictionary.com)
V-shaped Valley - a valley which resembles a 'v' in cross
section. These valleys have steep sloping sides and narrow
bottoms.
Interlocking Spur - spurs are
ridges of more resistant rock around which a river is forced to wind as it
passes downstream in the upper course. Interlocking spurs form where the river
is forced to swing from side to side around these more
resistant ridges.
Load - collective term
for the material carried by a river
Cap Rock - layer of hard
resistant rock forming the 'step' over which the 'falls' occur in a
waterfall.
Waterfall - a cascade of water over a hard rock
step in the upper course of a river
Plunge Pool - a deep
pool beneath
Gorge - a steep sided valley left behind as a
waterfall retreats upstream
River Cliff - a small cliff formed on the outside of a
meander bend due to erosion in this high energy zone.
Slip off
Slope - a small beach found on the inside of a meander bend where
deposition has occured in the low energy zone.
Ox-bow lake -
a lake formed when the continued narrowing of a meander neck results in the
eventual cut through of the neck as two outer bends join. This result in the
straightening of the river channel and the old meander bend becomes cut off
forming an ox-bow lake.
Meander scar - feature left behind
when the water in an ox-bow lake dries up.
Floodplain - the
area of land around a river channel which is formed during times of flood when
the amount of water in a river exceeds its channel capacity and deposition of
rich silt occurs.
Levées - a raised river bank (can be
natural features formed by deposition or artificial structures built to increase
channel capacity and reduce flood risk)
Estuary – a river
mouth that is kept clear of sediments by the currents of the
ocean
Delta – a river mouth in which sediments accumulate
due to oceans currents being insufficient to remove
them.
Distributaries – the channels into which the main
river channel break up when a delta is formed
http://ih-igcse-geography.wikispaces.com/1.5.+River+features
source ‘( wikipedia.com)
·Mouth: ‘the place where the river empties into another body of
water. ‘ (sjrwmd.com)
·Tributary: ‘A river or stream flowing into a larger river or lake.’
·Waterfall: ‘A cascade of water falling from a height, formed when a river or
stream flows over a precipice or steep incline.’
( dictionary.com)
·Meander: ‘A winding curve or bend of a river’( dictionary.com)
·Delta: ‘A triangular tract of sediment deposited at the mouth of a river.’
( dictionary.com)
V-shaped Valley - a valley which resembles a 'v' in cross
section. These valleys have steep sloping sides and narrow
bottoms.
Interlocking Spur - spurs are
ridges of more resistant rock around which a river is forced to wind as it
passes downstream in the upper course. Interlocking spurs form where the river
is forced to swing from side to side around these more
resistant ridges.
Load - collective term
for the material carried by a river
Cap Rock - layer of hard
resistant rock forming the 'step' over which the 'falls' occur in a
waterfall.
Waterfall - a cascade of water over a hard rock
step in the upper course of a river
Plunge Pool - a deep
pool beneath
Gorge - a steep sided valley left behind as a
waterfall retreats upstream
River Cliff - a small cliff formed on the outside of a
meander bend due to erosion in this high energy zone.
Slip off
Slope - a small beach found on the inside of a meander bend where
deposition has occured in the low energy zone.
Ox-bow lake -
a lake formed when the continued narrowing of a meander neck results in the
eventual cut through of the neck as two outer bends join. This result in the
straightening of the river channel and the old meander bend becomes cut off
forming an ox-bow lake.
Meander scar - feature left behind
when the water in an ox-bow lake dries up.
Floodplain - the
area of land around a river channel which is formed during times of flood when
the amount of water in a river exceeds its channel capacity and deposition of
rich silt occurs.
Levées - a raised river bank (can be
natural features formed by deposition or artificial structures built to increase
channel capacity and reduce flood risk)
Estuary – a river
mouth that is kept clear of sediments by the currents of the
ocean
Delta – a river mouth in which sediments accumulate
due to oceans currents being insufficient to remove
them.
Distributaries – the channels into which the main
river channel break up when a delta is formed
http://ih-igcse-geography.wikispaces.com/1.5.+River+features