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The Caspian Sea is the world's largest inland body of water, described as the world's largest lake and usually referred to as a full-fledged sea. [2] [3] [4] An endorheic basin, it lies between Europe and Asia: east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau.
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
The rivers that directly flow into the Caspian Sea, originate mainly from the north-eastern slope of the Greater Caucasus and Talysh Mountains and run along the Samur-Devechi and Lenkeran lowlands. The Kura River basin area (86,000 km 2) up to the junction with the Aras River is smaller than the Aras water basin (101,937 km 2). The river is ...
Natural reserves are home to fish of the Caspian Sea, rivers, water reservoirs, mainly the various species of animals spread in the mountainous areas, reptiles in the plains (especially the Caucasian viper, which has a very valuable poison), many birds and so on.
[4] [10] The water level of the Caspian Sea is falling. [5] Forests in the Caucasus are affected. [11] Ecological problems on the coast are being worsened by climate change. [12] In the post-Soviet economic period, the Azerbaijani economy has become state-controlled and oil-based.
The course change is believed to be the result of a rise in the level of the Caspian Sea coupled with a major flood of the Kura. [ 16 ] About 174 kilometres (108 mi) of the river is in Turkey, 435 kilometres (270 mi) in Georgia, and 906 kilometres (563 mi) in Azerbaijan.
The water body lends its name to the nearby city of Garabogaz. The name was originally applied to the narrow strait which connects the gulf to the Caspian Sea. Because the water in the strait, termed a "throat" (Turkmen: bogaz), was darker than the water on either side, it was termed "dark" or "black" (Turkmen: gara), hence garabogaz. Over time ...
The Ogallala aquifer, or the High Plains aquifer, is an integral fresh water source for the entirety of the Great Plains region, providing drinking water to 80% of the population and irrigating 13 million acres of land. Precipitation, seasonal lakes, and prehistoric water reserves serve as sources of water for the aquifer, which lies beneath ...