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Factors Affecting water distribution on earth (TOPOGRAPHY (Mountain ranges…
Factors Affecting water distribution on earth
TOPOGRAPHY
slope
of earths surface
H2O accumulates in areas of
lowest
elevation
due to gravity
i.e ocean basins
Mountain ranges
force MOIST air
upward
Air cools and produces clouds & RAIN on
windward
side
Leeward
side has remaining DRY air
decreases rainfall & increases evaporation
Known as
rain shadow
fohn
wind
LATITUDE (geographic location)
Equator
hot all year round
highest rainfall
air raises by convection, cools, clouds and rain develop therefore high rainfall
more evaporation over oceans, so more rain as well at equator
Tropics of
Cancer
and
Capricorn
(higher latitudes-further from equator)
temperatures are lower, less evaporation, less rainfall.
same air from equator travels north and south
cools, sinks & prevents clouds forming
have most deserts on earth
CLIMATE