Vozrozhdeniye, translated as “renaissance” or “rebirth” island, was the home of biological … The remnants of it nestle in the climatically inhospitable heart of Central Asia, to the east of the The Aral Sea depression was formed toward the end of the The Aral Sea area is characterized by a desert-continental climate that features wide-ranging diurnal air temperatures, cold winters, hot summers, and sparse rainfall. Croplands had to be flushed with larger and larger volumes of river water. Britannica Premium: Serving the evolving needs of knowledge seekers. The water level had dropped to 125 feet (36 metres) above sea level, and the water volume was reduced by three-fourths of what it had been in 1960.
Blowing, salty dust from the exposed lakebed became a public health hazard and degraded the soil.
This inland “Sea of Islands” was home to more than a thousand of them. Articles from Britannica Encyclopedias for elementary and high school students. Almost no water from the Amu Darya and the Syr … Fed primarily by snowmelt and precipitation from faraway mountains, the Aral Sea supported extensive fishing communities and a temperate oasis in a mostly arid region of Kazakhstan and Uzbekistan.But in the 1950s and 60s, the government of the Soviet Union launched projects that diverted the region’s two major rivers—the Syr Darya and the Amu Darya.
In the early 21st century the eastern portion of the Aral Sea suffered the most drastic and immediate decline—diminishing by some four-fifths between 2006 and 2009. Over the centuries, variations in the water level exceeded 20 feet (6 metres), while annual and seasonal variations of between 10 feet (3 metres) and less than 1 foot (0.3 metre) were recorded.In 1960 the surface of the Aral Sea lay 175 feet (53 metres) above Beginning about 1960, the Aral Sea’s water level was systematically and drastically reduced, because of the diversion of water from the Amu Darya and Syr Darya rivers for purposes of agricultural By 1989 the Aral Sea had receded to form two separate parts, the “Greater Sea” in the south and the “Lesser Sea” in the north, each of which had a salinity almost triple that of the sea in the 1950s. The sequence of images shows the dramatic changes to the Aral Sea between 1973 and 2000. The governments of the states surrounding the Aral Sea tried to institute policies to encourage less water-intensive agricultural practices in the regions south and east of the lake, thus freeing more of the waters of the Amu Darya and the Syr Darya to flow into the lake and to stabilize its water level. The Aral Sea, in Central Asia, used to be the fourth largest lake in the world, after the Caspian Sea, and Lakes Superior and Victoria. As the lake dried up, fisheries and the communities that depended on them collapsed. The water level had dropped to 125 feet (36 metres) above sea level, and the water volume was reduced by three-fourths of what it had been in 1960.
Many of those islands subsequently became joined to the mainland with the shrinking size of the sea. Our editors will review what you’ve submitted and determine whether to revise the article.The shallow Aral Sea was once the world’s fourth largest body of inland water. Those policies succeeded in reducing water usage somewhat but not to the level necessary to have a significant impact on the amount of water reaching the Aral Sea. A satellite image of the northern portion of the Aral Sea in 1977, when it was largely still its original size.A satellite image of the northern portion of the Aral Sea in 2000; the lighter-coloured areas represent sections of the seabed that have been exposed since 1960.A satellite image of the Aral Sea in 2010. (See " Before and After Photos: Vast Aral Sea Vanishing.") The dams, canals, and other water works were built in order to transform the desert into agricultural fields for cotton and other crops. In 1994 those same states—Kazakhstan, Turkmenistan, and Uzbekistan, with the addition of By the end of the century the Aral Sea had receded into three separate lakes: the Greater Sea had divided into a long, narrow, western lake and a larger, broader, eastern lake, with the remains of the Lesser Sea to the north.
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