Water Case study: Water insecurity in the Aral Sea Flashcards

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1
Q

Context

A
  1. Once world’s 4th largest inland sea - Aral Sea had been steadily shrinking since 1960s
  2. By 2007, sea had declined to just 10% of its original size, split into separate lakes and fallen up to 40m
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2
Q

Why such a shortage?

A
    1. Late 1950s Soviet govt diverted much of water from rivers Amu Darya and Syr Darya - fed into Aral Sea
      1. This done for irrigation and agriculture
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3
Q

What did the former Soviet Union government do about it?

A
  1. Communist leaders began an ambitious irrigation scheme designed to develop fruit and cotton farming in what has been an unproductive region and create jobs for millions of farm workers
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4
Q

Impact on fishing community

A
  1. once prosperous industry employing 60,000 people in surrounding villages had collapsed
  2. Unemployment and economic hardship are everywhere.
  3. Ships lie useless on the exposed seabed
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5
Q

Impacts on local residents

A

-health problems caused by wind-blown salt + dust from dried out seabed

-health problems caused by wind-blow salt + dust from dried out seabed
drinking water and parts of remaining sea become heavily polluted result of weapon testing, industrial projects and pesticide/fertiliser runoff

-infant mortality rates among highest in world, 10% of children dying in their first year, mainly of kidney failure and heart failure

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6
Q

Uzbekistan government

A

irrigation schemes based on Aral Sea allow this poor country, with few resources, remain one of worlds largest exporters of cotton

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7
Q

Scientists

A
  • Only 160 of the region’s 310 bird species, 32 of the 70 mammal specie and very few of the 24 fish species remain
  • climate changed as well + area more arid and prone to greater extremes of temperature
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8
Q

Kazakhstan farmers

A

irrigation brought water table to surface, making drinking water and food crops salty and polluted

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9
Q

international economists

A
  • people in region may no longer be able to feed themselves due to land becoming infertile
  • up to 10mil people maybe forced migrate + environmental refugees
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10
Q

Water engineers

A

inspections revealed many of irrigation canals were poorly built = allowed water to leak out or evaporate

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