745362
Beschreibung
Mindmap von Fionn Gilhooley, aktualisiert more than 1 year ago
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Erstellt von Fionn Gilhooley
vor mehr als 10 Jahre
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G4 - sustainabilty - water case studies
- Desalination case studies
- Victorias Desalination Plant (Austrailia)
- Capable of providing 1/3 of melbournes water needs
- Built in 2009 after 13years of drought
in Southeast Austrailia
- water resourvoirs fell to 26%
- objective was to provide a rainfall
independent source of drinking
water
- 25000 jobs were created
- 8km of pipeline to transport water to Melbourne
- All energy comes from a renewable energy provider
- 450,000m3 of drinking water produced daily
- largest green roof in Southern hemisphere (26,000m2)
- millions of native trees and shrub planted there
- millions of native trees and shrub planted there
- Costs
- eyesore on coastline
- Pollution from shipping
equipment to the site
- increase in
greenhouse
gas
emmisions
- requires lots of energy to
operate
- eyesore on coastline
- Benefits
- created
25000 jobs
- all energy
sourced from
renewable
energy
sources
- green roof
- 450,000m3
of drinking
water
produced
daily
- produce
150l of
water per
year
- improve fish
habitatt
- each day
can
supplyup
to
500million
litres of
water
- 1/3 of sydneys
daily needs
- 1/3 of sydneys
daily needs
- created
25000 jobs
- Capable of providing 1/3 of melbournes water needs
- Victorias Desalination Plant (Austrailia)
- reservoirs
- China, Three Gorges Dam
- fuly operational in 2001
- worlds largest dam
- constructed becase...
- reduce flooding down stream
- increase water supply
- increase energy supply (HEP)
- improve navigation
- reduce flooding down stream
- social impact
- flood control in middle and
lower reaches
- saves lives and livelihood
- saves lives and livelihood
- loss of farmland
- results in urban migration
- relocation of people
- flood control in middle and
lower reaches
- economic impact
- will create jobs and
promote economic growth
in the Valley
- hydropower sale will
fund project cost
- navigation
improvements
enable 5000
vessels to reach
Chongqung
- will create jobs and
promote economic growth
in the Valley
- environmental impact
- reduced air pollution
as hydropower will
reduce thermal
- reduced saltation in lakes
and middle reaches
- increased pollution
from sewage and
industrial effluent
- land slips in resouvior area
- large dams can cause earthquakes
- reduced air pollution
as hydropower will
reduce thermal
- fuly operational in 2001
- China, Three Gorges Dam
- water resources and conflicts
- Conflicts between neighbouring countries can occur if water supplies
are scarce and drainage basins cut across national boundaries.
- . In Africa for example, 90% of all surface water is
found in ‘transboundary basins’
- The Nile River Basin
- The Nile’s tributaries, lakes, and
rivers collect and disperse water in
nine African countries before it
reaches the Mediterranean Sea.
- The Egyptians have used military force to
ensure their control over the headwaters of
the Nile, because the country has no other
water source.
- The Nile River for centuries has
been the source of sustaining
human life in Egypt and Sudan.
- The Nile is the longest
river in the world,
stretching for 4,130
miles.
- Sudan, Ethiopia, and Uganda have
constructed various river projects to
increase their annual water
withdrawals, affecting Egyptian
control over the Nile
- Rising populations, and the spread of the
Sahara desert, have placed extra strain on what
is available - increasing political tensions
across the region
- It is estimated that irrigation
schemes would help 30-40% of
the population - around 15 to 20
million people.
- Egypt is reported to have
said it would regard any
attempt to alter the Nile status
as an act of war.
- The Nile’s tributaries, lakes, and
rivers collect and disperse water in
nine African countries before it
reaches the Mediterranean Sea.
- Conflicts between neighbouring countries can occur if water supplies
are scarce and drainage basins cut across national boundaries.
- sustainable water issue in California
- June 07 record low rainfaill and human
development creates 'perfect drought'
- June 08 another year of drought
- March 09 proclaim state of emergency
- 'Agriculture losses could reach $2.8b
this year and cost 95,000 jobs'- State
Water Director
- 'Agriculture losses could reach $2.8b
this year and cost 95,000 jobs'- State
Water Director
- hundreds of thousands acres of farm land will
be left unplanted
- worst case scenario 60-80
thousand jobs will be lost in
other areas
- increase in food prices
- limit on the amount of water
people have available
- rain doesnt fall in the places it is
needed
- demand outstrips supply
- have changed to growing more efficient
crops
- recycling water
- transfering water to areas of deficit
- lining crops with
plastic sheeting to
reduce run off
- June 07 record low rainfaill and human
development creates 'perfect drought'
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