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Why was the Aral Sea drained?

Once thriving, the vast Asian lake was drained for irrigation. Once the fourth largest lake in the world, Central Asia’s shrinking Aral Sea has reached a new low, thanks to decades-old water diversions for irrigation and a more recent drought.

What happened to the Aral Sea and what caused it?

The Aral Sea in the Soviet Union, formerly the world’s fourth largest lake in area, is disappearing. Between 1960 and 1987, its level dropped nearly 13 meters, and its area decreased by 40 percent. Recession has resulted from reduced inflow caused primarily by withdrawals of water for irrigation.

What you think caused the Aral Sea crisis?

In the 1960s the problems of the Aral Sea arose and took on alarming proportions as a result of thoughtless regulation of the major transboundary rivers of the region – the Syrdarya and the Amudarya, which provided the Aral Sea in the past with 56 cubic km of water annually.

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What are ongoing issues that the people who use the Aral Sea need to deal with?

Environmental Problems Simultaneously, the pace of degradation and desertification of the ecosystems in the deltas of the Amu Darya and Syr Darya is increasing. The large-scale irrigation projects, which took away too much water from the Aral Sea, have affected the local economy.

Who destroyed the Aral Sea?

In October 1990 Western scientists confirmed the virtual disappearance of the Aral Sea in Soviet Central Asia, formerly the fourth largest inland sea in the world. The loss of sea water was the result of 60 years of intensive agriculture and pollution by the Soviet authorities.

Can the Aral Sea be restored?

There is no work under way to restore the southern region. It has always looked like a lost cause. So Aladin says it will keep shrinking and getting saltier until only brine shrimp are left. Using less water to irrigate crops could restore the entire Aral Sea, says Micklin.

Which sea has dried up?

In 2014, the eastern lobe of the South Aral Sea completely disappeared. Water levels in summer 2018 were not as low as they might have been, following a round of seasonal snowmelt in the spring. As the Aral Sea has dried up, fisheries and the communities that depended on them collapsed.

What is the largest landlocked body of salt water in the world?

The Caspian Sea is the Earth’s largest inland body of water, when measured by surface area.

Is the Caspian Sea disappearing?

According to a 2020 study, the Caspian — whose level has been falling by around seven centimeters a year since 1996 in tandem with rising temperatures in the Caspian basin — is projected to lose up to 18 meters of depth by the end of the century.

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What are the main threats to the Aral Sea?

Environmental Impacts

  • Water Levels. The primary effect of the Aral Sea desiccation has been the significant loss of water in the sea.
  • Correlation of Salinity with Water Level.
  • SST Changes.
  • Desertification.
  • Salinization of Soil.
  • Dust Storms.
  • Climate Change.
  • Melting Glaciers.

How can we solve the Aral Sea problem?

The Increase of subsurface runoff illd the additional water made avai I able by draining the flooded shoreline areas and reducing transpiration through rush and reed growths would prevent the Aral Sea from drying out even If the entire stream flow were diverted.

What are the effects of the Aral Sea shrinking?

The shrinking Aral Sea has also had a noticeable affect on the region’s climate. The growing season there is now shorter, causing many farmers to switch from cotton to rice, which demands even more diverted water. A secondary effect of the reduction in the Aral Sea’s overall size is the rapid exposure of the lake bed.

What efforts have been made to replenish the Aral Sea?

In an ongoing effort in Kazakhstan to save and replenish the North Aral Sea, the Dike Kokaral dam was completed in 2005. By 2008, the water level had risen 12 m (39 ft) above that of 2003. Salinity has dropped, and fish are again present in sufficient numbers for some fishing to be viable.

Is the Aral Sea lost forever?

The Aral Sea, once the world’s fourth biggest lake, is most likely gone forever, its death having brought about decades of environmental disaster. However, a project to salvage its northern part appears to have succeeded as commercial fishing is once again viable in the adjacent Kazakh towns and villages.

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