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Regulation in the Volga river, 1934 compared to 1999
The construction of a large number of dams and industrial facilities on the rivers feeding the Caspian has caused a significant change in the quantity of water inflow. The creation of a succession of large reservoirs, es...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
The Caspian Sea drainage basin
The Caspian Sea runs north and south, extending over 1,200 km, with an average width of 320 km. It covers approximately 400,000 sq km (an area slightly larger than Germany). The population of the region is about 14 milli...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
The Caspian Sea drainage basin
The Caspian Sea runs north and south, extending over 1,200 km, with an average width of 320 km. It covers approximately 400,000 sq km (an area slightly larger than Germany). The population of the region is about 14 milli...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
The Caspian Sea drainage basin
The Caspian Sea runs north and south, extending over 1,200 km, with an average width of 320 km. It covers approximately 400,000 sq km (an area slightly larger than Germany). The population of the region is about 14 milli...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Drought in Central and Southwest Asia
Turkmenistan and Iran have become drier. Dust storms pick up large amounts of salt and dust as they pass over the Kara-Kum desert and the Caspian Seashore, depositing it in the Volga River valley where it impairs the fer...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Drought in Central and Southwest Asia
Turkmenistan and Iran have become drier. Dust storms pick up large amounts of salt and dust as they pass over the Kara-Kum desert and the Caspian Seashore, depositing it in the Volga River valley where it impairs the fer...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Drought in Central and Southwest Asia
Turkmenistan and Iran have become drier. Dust storms pick up large amounts of salt and dust as they pass over the Kara-Kum desert and the Caspian Seashore, depositing it in the Volga River valley where it impairs the fer...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Caviar imports to Japan, European Union and United States
The Caspian area is the world’s main producer of wild caviar (83% in 2003) and supplies the three largest markets, the European Union, Japan and the USA. The construction of several hydroelectric power plants and dams al...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Caviar imports to Japan, European Union and United States
The Caspian area is the world’s main producer of wild caviar (83% in 2003) and supplies the three largest markets, the European Union, Japan and the USA. The construction of several hydroelectric power plants and dams al...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Caviar imports to Japan, European Union and United States
The Caspian area is the world’s main producer of wild caviar (83% in 2003) and supplies the three largest markets, the European Union, Japan and the USA. The construction of several hydroelectric power plants and dams al...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Potential environmental hazards in the Caspian Sea Region
Oil slicks glittering on the surface of the sea and thousands of hectares of soil penetrated by oil leaking from abandoned wells are just part of the pollution that people living around the Caspian Sea must endure. In ad...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Potential environmental hazards in the Caspian Sea Region
Oil slicks glittering on the surface of the sea and thousands of hectares of soil penetrated by oil leaking from abandoned wells are just part of the pollution that people living around the Caspian Sea must endure. In ad...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Potential environmental hazards in the Caspian Sea Region
Oil slicks glittering on the surface of the sea and thousands of hectares of soil penetrated by oil leaking from abandoned wells are just part of the pollution that people living around the Caspian Sea must endure. In ad...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Industrial hot spots Tisza river basin
On 30 January 2000 a tailings dam at the Aurul Mine in Romania overflowed and released 100,000 cubic metres of effluent containing cyanide into the Tisza River. By the time the overflow was detected, the alarm raised and...
01 Feb 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Bor river/Timok river Watershed
The graphic shows the watershed area of the Bor and Timok rivers, and the areas potentially affected by pollution.The southeast Serbian municipality of Bor is paying a high price for the century-old industrial exploitati...
11 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Daugava/Zapadnaya Dvina and Nemunas/Neman river basins
Overview over the transboundary Daugava/Zapadnaya Dvina and Nemunas/Neman river basins in North Eastern Europe. These basins span the countries of Russia, Latvia, Lithuania, Belarus and Poland, and the rivers drain to th...
01 Jul 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in the ice-breaking date in the Tornio river, Finland
The icebreaking date for the Tornio River in Finland has been recorded since 1693. With the increased greenhouse effect, impacts on the cryosphere are likely. One impact will be less ice on rivers and lakes. Freeze-up da...
12 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Rising water levels in the Spitamen district (Tajikistan)
Sudden releases of water into the Spitamen district from Kyrgyzstan are regularly endangering the neighboring Tajik arable land downstream and villages along the river. The Tajik communities are convinced upstream Kyrgyz...
16 Mar 2006 - by Viktor Novikov, UNEP/GRID-Arendal
The Cryosphere, components and world maps
Snow and the various forms of ice - the cryosphere - play different roles within the climate system. The two continental ice sheets of Antarctica and Greenland actively influence the global climate over time scales of mi...
01 Oct 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Water towers of Asia - glaciers, water and population in the greater Himalayas-Hindu Kush-Tien Shan-Tibet region
The Himalayas–Hindu Kush, Kunlun Shan, Pamir and Tien Shan mountain ranges function as water towers, providing water to people through much of Asia. The glacier-fed rivers originating from the Himalaya mountain ranges su...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
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