why is the aral sea shrinking
Soviet leaders also felt the Aral Sea was unneeded since the water that flowed in basically evaporated with nowhere to go. The blowing dust from the exposed lakebed, contaminated with agricultural chemicals, became a public health hazard. The rapid shrinkage of the Aral Sea led to numerous environmental problems in the region. The Soviet Union irrigation systems reduced the lake to a mere 10% of its for… The answer is both simple and complex. 4th largest inland sea - 68,000km. Since the end of its construction in 2005, this dam has helped the northern lake to grow. what was water removed. Predictions are that thanks to those two major innovations, the northern lake of the Aral Sea could produce 10,000 to 12,000 tons a fish a year. While up to 1960, the water level was about 174 ft above sea level, it suddenly dropped to 89 ft in the Large Lake and 141 in the Small Lake. The Aral Sea used to have an area of 26,300 sq miles and produce thousands of tons of fish for the local economy annually. They diverted the rivers that ran into the Aral Sea and used that water flow for irrigation. Slowly less water got to the Aral sea from the rivers and those are the only sources of water the Aral sea has. However, in that same decade, the Soviet Union decided to expand the canal system and drain more water from the two rivers, suddenly draining the Aral Sea considerably. The loss of the moderating influence of such a large body of water made winters colder and summers hotter and drier.In a last-ditch effort to save some of the lake, Kazakhstan The increasingly salty water became polluted with fertilizer and pesticides.
4th largest inland sea - 68,000km. The dried remnants of the lake contain not only salt and minerals but also pesticides like DDT that were once used in huge quantities by the Soviet Union (ironically, to make up for the lack of water). the shrinking Aral Sea - human causes for deficit. With the other positive developments, there is perhaps hope for this unusual lake and the life dependent on it. The first innovation that helped save part of the Aral Sea fishing industry was Kazakhstan's construction of the Kok-Aral Dam on the southern shore of the northern lake, thanks to support from the World Bank. The region’s two major rivers, fed by snowmelt and precipitation in faraway mountains, were used to transform the desert into farms for cotton and other crops. Those irrigation passages have taken a lot of the water from the rivers. The name roughly translates as "Sea of Islands", referring to over 1,100 islands that had dotted its waters; in the Mongolic languages and Turkic language aral means "island, archipelago". How can the fourth largest lake in the world disappear down into almost nothing? Water levels in summer 2018 were not as low as they might have been, following a round of As the Aral Sea has dried up, fisheries and the communities that depended on them collapsed. Croplands had to be flushed with larger and larger volumes of river water. The salty dust blew off the lakebed and settled onto fields, degrading the soil. By the late 1980s the lake had lost more than half the volume of its pre-1960 water. Additionally, the USSR once had a biological-weapons testing facility on one of the lakes within the Aral Sea. Water levels then fluctuated annually between 2009 and 2018 in alternately dry and wet years. The Aral Sea has been slowly disappearing ever since. where. On a human level, because of the poor economy, people were forced into heavy poverty or they had to move.
By 2001, the southern connection had been severed, and the shallower eastern part retreated rapidly over the next several years. By 1987, it dried up so much that instead of one lake, there were now two: the Large Aral (south) and the Small Aral (north).
World of Change: the Shrinking Aral Sea The Aral Sea was once the fourth-largest lake in the world.
The Aral Sea was an endorheic lake lying between Kazakhstan (Aktobe and Kyzylorda Regions in the north) and Uzbekistan (Karakalpakstan autonomous region in the south). Yet, the world wasn't aware of this tragedy up until 1985; the Soviets kept the facts secret.
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