Satellite images show the changing water levels in the Aral Sea from to Timeline of shrinking In the early s,  the Soviet government decided the two rivers that fed the Aral Sea, the Amu Darya in the south and the Syr Darya in the east, would be diverted to irrigate the desert, in an attempt to grow rice, melons, cereals, and cotton. This temporarily succeeded, and inUzbekistan was the world's largest exporter of cotton. Most of the sea's water supply had been diverted, and in the s, the Aral Sea began to shrink.
The major river tributaries to the Aral Sea, the Syr Darya, and the Amu Darya, were used for the creation of irrigation canals in Turkmenistan and Uzbekistan. This has literally been starving the Aral Sea for water.
A dam was built in in Kazakhstan to help replenish and preserve the Aral Sea. It is contributing to a rise in water level and a drop in salt content, which is helping to increase the number of fish able to live in the Aral Sea again. Interesting Aral Sea Facts: The Aral Sea existed for approximately 5.
In the s the Russian government decided to irrigate water from the two main rivers feeding the Aral Sea in order to provide water for agricultural use.
Although global warming is contributing to the Aral Sea's demise, the major cause is the lack of water inflowing due to irrigation.
The Russian government thought that diverting the water for irrigation to grow cotton would make it a lot of money.
It did for a while.
Because the Aral Sea relies on groundwater as its major inflow, diverting the river tributaries nearly caused the Aral Sea to dry up. The Aral Sea shirking has been referred to as the worst environmental disaster on earth, destroying the fishing industry, negatively affecting public health, the economy, and the way of life in the region.
The majority of the water diverted for irrigation from the Aral Sea is lost to evaporation or drained away before it can be used for agriculture. As the Aral Sea decreased in size the amount of salt in the water grew and the number of violent sand storms increased.
These factors have greatly affected the residents in the region. Other factors contributing to the demise of the Aral Sea region is due to toxic chemicals, weapons testing, and runoff from fertilizer and pesticides.
Health problems common to those living in the Aral Sea region include cancers, digestive issues, lung disease, liver, kidney, and eye diseases, and drug-resistant tuberculosis. In some regions that used to be under water, abandoned ships lay on the ground.
Some have been lying there for more than 20 years. The Aral Sea used to support a healthy population of muskrats, which are now gone. Muskrat trapping was a major industry, in addition to fishing. The demise of the Aral Sea has led to the demise of the economy and health of the region.
Most experts do not believe that the Aral Sea will ever be restored to its original size and health. Despite efforts to restore it, Uzbekistan continues to divert a major portion of the tributary river water to cotton production.Aral Sea. Developing the Investigation 2.
Hand out copies of the Briefing and Log to each student or to small groups of students. Students can work individually, but small groups support of the ideas in the Background. Have students explain the difference between, and give examples of, fresh and salt water lakes.
Begin a discussion of lakes. ARAL SEA The Aral Sea lies in central Asia and is shared by the republics of Kazakhstan and Uzbekistan. In the Aral covered 25, square miles (66, sq.
km) and had a . Aral Sea Catastrophe. A Case Study of International Pollution Issues. Author: Chris Robertson | December Abstract. The Aral Sea was once one of the largest terminal lakes located in Central Asia. Its most recent desiccation began in the s due to the expansion of irrigation the caused the draining of its two tributary rivers.
If the Aral Sea dries up completely, 15 billion tons of salt will be left behind. Muynak is km ( mi) north of Nukus. Travelers can take a taxi or a bus to reach Muynak from Nukus. There are options for private accommodations in Muynak where you can stay overnight.
Aral Sea Introduction. The Aral Sea is located in the lowlands of Turan occupying land in the Republics of Kazakstan and Uzbekistan. From ancient times it was known as an oasis. Traders, hunters, fishers, and merchants populated this fertile site littered with lagoons and .
Aral Sea The Aral Sea is a landlocked endorheic basin in Central Asia; it lies between Kazakhstan (Aktobe and Kyzylorda provinces) in the north and Karakalpakstan, an autonomous region of .