In this document you will find everything you need to know about Physical landscapes. It will explain:
waterfalls, gorges, formation of Levees, meanders and Ox-bow lakes, floodplains and levees, flooding, river processes, stages of a river, managing floods, deposition, waves, weathering, mass mov...
Riverscan also
forM DY T
whensealevelsdrop
formingsteps in A housing ariverto cutdown its bed
river's long profile creating astep
Resistant rocks
less easily eroded
than less resistantrocks
p
Gorge Narrow steep sidedvalley
Riverflows around downstream of a retreating
downstream a waterran
CNOffing different causedby
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rock types Waterfalls t At theendofthecastglacialperiod masses
upwaterfrom the mewing glacier poured
odduplandareasforming gouges
Gorges
Onlimestonewhenlargeundergroundcavernscan
accommodate anentireriver
In Lownow So channel cannot
deposition raises and as much I
water water plows over me trues
the river
a of the channel during
bed
flooding
formations
of levees d
velocity decreases
d
Raisingheight sediment is deposited on
oflevees e bonus then finer sand
and mud
Processes of
erosion action t
Hydraulic
abrasion
, tant'd changing
shape and position
y
Bend in Due to sidewayserosion
river found and deposition inthe
mainly in riverchannel
lowland a I
areas
thalweg line offastestflow
oldmeander loop Meanders Mj t within the river
cutoronyderosition swings from sidetoside causing
is
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Of bow ques erosion on the outside bend
and
deposition on the inside
bend
firminga d
process
new neckor overtime as of erosion and deposition
straighter t meander Meandersmigrate c causes meanders to migrateacross
narrowsuntil
Channel a acrossthe thevalley moon
it iscompleting valley
brokenthrough floor they
maystart
toerode towards
eachother
found inthemiddle they are formedwhen
andlowercourses
Meandersmigrateacrossfloodplain
floodplain Wide that busedfor
farmingas dueto lateralerosion
soilsareveryfertile
Ynegintermidhiffd reaching the endof themoodplain
a river theyerodethe valleyside
sofloodplains arewide
Miz
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fffff layersuponlayersbuildovertheyears
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Estuaries Wherethe
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