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Central Asia's Shrinking Water Source

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Sarah Berube

on 20 March 2013

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Transcript of Central Asia's Shrinking Water Source

Central Asia`s Shrinking Water Source. 1960, Moynaq, a fishing town. Had a population of 40,000. Before: The area suffer from water stress,
environmental degradation From Freshwater Lake
to Inland Sea Until 1960s, water was potable.
The shoreline is
90 miles from
Moynaq. Aral Sea`s water now is saline.
Too salty to drink and for watering crops. Salinization Affects
Water and Land Salinization affect groundwater.
Water seeps into ground picks up some salt from soil.
Salt carried by rivers to ocean. Water flows out, carries salt to ocean. If no water flows out, salt has nowhere to go.
Lake grows more saline. Farmers irrigate, water evaporates, leaves salt behind. Water and land have been degraded by salinization. The Shrinking Sea and Farming Government plant cotton in desert region. From Desert to
Cotton Kingdom Soviet Union provided water by
building dams to irrigate areas. Fertilizers and pesticides
increase production. Irrigating, provided
jobs for people. Effect was
degradation of Sea. Water Evaporated,
sea began to shrink. Salt built up on farm fields.
Farmer were left with salty desert. Sea rich in fish. Industry
supported 35,000 workers. The sea was rich in fish.
Industry supported 35,000 workers. The Collapse of the Aral
Sea Fishing Industry Shrinking destroyed industry. Most fish are gone.
Fishing crew and cannery workers lost jobs. The Shrinking Sea and Quality of Life Dust storms are a sign
of declining quality of life. From Plentiful Freshwater to Water Stress People have turned to rivers and
groundwater to meet needs.
But, water is unfit to drink. Pollution Damages the Health of Residents People become ill.
Black Blizzards carry chemicals.
People develop health problems.
Poverty makes problems worse. An Uncertain Future Less water should be taken out
for irrigation.
Farming practices
need to change. Intro International agencies are working to help. This part has large reserves of oil.
Countries selling oil improve quality of life. Beginning to think Globally The region is not the only part of the
world facing water stress. People farmed, fished,
worked in fish canneries. After: I think this could happen to the Great Lakes. Salt content is increasing. Salt is made up of sodium and Chlorine. Chloride ion has been increasing by .1mg/l each year, as stated in www.epa.gov/greatlakes/monitoring. Salt increase is human generated. Road salt and brines effect the freshwater lakes. Farming and irrigating around the Great Lakes could result in Salinization. All of the salt would stay while the water would be drawn out leaving mostly all salt behind. It would be turned from freshwater to saltwater. It could end up in the lakes shrinking. Could this happen to
the Great Lakes? Salinization Creates a New Desert The Shrinking Sea and Fishing
A Sea Once Rich in Fish Industry supported 35,000
Full transcript