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Why is the lower Amu Darya oasis threatened by reduced river flow?
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Karakum Desert
The Caspian Sea and Karakum Desert.
The lower Amu Darya oasis is threatened by reduced river flow primarily due to the massive diversion of water for irrigation projects, which have been implemented since the mid-20th century to support agriculture in the river's lower basin.12
This depletion is driven by several factors:
- Agricultural Diversion: Large-scale water extraction for crops, particularly cotton, has significantly reduced the volume of water reaching the lower reaches of the river.13
- Infrastructure Impact: The construction of extensive irrigation networks, such as the Karakum Canal, and various dams has altered the natural flow, leading to significant water loss through evaporation and seepage in the arid climate.14
- Environmental Degradation: The resulting reduction in flow has caused the drying up of delta streams and wetlands, while increased evaporation on hot floodplains has led to soil salinization, further impairing the agricultural productivity of the oasis.13
These combined pressures have fundamentally altered the hydrology of the region, threatening the long-term viability of the oasis as a key agricultural center.2