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Tag: Drainage

Development of organic matter, phosphorus and nitrate in EU 15 rivers
The graphic shows the development of organic matter, phosphorus and nitrate in EU 15 rivers. Water resources in Europe have been profoundly influenced over the past century by human activities, including the construction...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Population density in the Baltic Sea drainage basin
The density of people per square kilometers have been calculated from various statistical sources, and displays the situation at approximately 1990. Population, and specifically cities, act as driving forces in regards t...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arable land in the Baltic Sea region
Ratio of arable land out of total land use in the Baltic Sea drainage basin. Agriculture is one of the main contributors to the nutrient (in this case, primarily nitrogen) influx into the Baltic Sea, and thus a main driv...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Pasture Land - Baltic Sea drainage basin
Ratio of pasture land total land use in the Baltic Sea drainage basin. Agriculture is one of the main contributors to the nutrient (in this case, primarily nitrogen) influx into the Baltic Sea, and thus a main driver for...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Wetlands in the Baltic Sea drainage basin (BALANS)
Percentage of wetlands out of total land area for the Baltic Sea drainage basin. The ratios have been estimated from various sources, and resembles the situation at approximately 2000, and is calculated from the BALANS d...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Forests Regulate Groundwater Level
Forests can regulate groundwater levels and increase drainage of soils where the water table is close to the surface. If there are salts in the upper soil layers, then removal of forests can result in raised groundw...
20 Jun 2009 - by Philippe Rekacewicz assisted by Cecile Marin, Agnes Stienne, Guilio Frigieri, Riccardo Pravettoni, Laura Margueritte and Marion Lecoquierre.
Mining effects on rainfall drainage
The Acid Mine Drainage (AMD) is the number one environmental problem facing the mining industry. AMD occurs when sulphide-bearing minerals in rock are exposed to air and water, changing the sulphide to sulphuric acid. I...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Mean nutrient concentration in the coast of Romania
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Sturgeons distribution in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
25 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Drainage in the Black Sea Area
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Distribution of pollutant loads in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
01 Oct 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Map of The Black Sea basin
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Pollution in the Black Sea Area
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Main crude and dirty product routes in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Sosio-economic indicators for the countries of the Black Sea basin
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Evolution of the phytoplankton compostion in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
25 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Black Sea water indicators
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Oil transport in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Turbot distribution in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
25 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water Discharges measured by Biological Oxygen Demand
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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