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LAND RECLAMATION - Coggle Diagram
LAND RECLAMATION
INTRODUCTION & PURPOSE
process of creating new land from
oceans
seas
riverbeds
lake beds
MATERIALS
clay
sand
hill cut
boulders. cobbles & gravel
rock
PURPOSE
land may be damaged
natural hazards
human activities
cases of waterlogged land
problem of land scarcity
BENEFITS
increase availability of land
expand carrying capacity of land
solve overcrowding problem
allows growth for country's industry
METHOD
INFILLING METHOD
the most simple method
fills area with large amounts of heavy rocks and/or cement
fills with clay & dirt until desired height reached
DRAINING OF SUBMERGED LAND
removal of sendiments & debris from bottom of water
used for maintaining reclaimed land
DEEP CEMENT MIXING
often used to reclaim wetlands or land for agricultural use
LAND DREDGING
typically used when materials wihch are displaced by either dredging or draining may be contaminated
TYPES OF LAND THAT CAN BE RECLAIM
Derelict land
caused by human activities
poor farming methods
mining
may also be caused by natural disasters
Wetlands
areas that are flooded for all part of the year
swamps
bogs
ADVANTAGES & DISADVANTAGES
ADVANTAGES
increase land area
more & better infrastructures can be build
can reclaimed lands from flooding
DISADVANTAGES
can be damaging to corals & marine life