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Tag: River water

Zambezi River runoff
A major impact of the construction of the Kariba and Cahora Bassa dams from 1950–1970 was the reduction in the Zambezi River runoff. Before the dam construction, the Zambezi River was torrential with high flows during t...
14 Oct 2013 - by GRID-Arendal
Phosphate levels in major basins
A comparison of the major watersheds between the two decades showed that Northern Europe and North America had lower phosphate concentrations, while the Ganges and Brahmaputra watersheds in South Central Asia had higher ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Nitrate in major rivers
Considering the data for all the rivers at the continental level, there has been little change in nitrate (NO3-N) concentrations between the two decades under comparison. Changes in the median value were not statisticall...
17 May 2005 - 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
Tigris and Euphrates rivers fragmentation
It has been predicted that access to water will create conflict between countries. In Africa, central Asia, west Asia and the Americas, some countries are already arguing fiercely over access to rivers and inland seas, a...
26 Jan 2009 - by Philippe Rekacewicz