URL:
http://www.iwp.bas.bg
Sofia - 1113
Acad. G. Bonchev Str.
Water
GIS layers of land use, soils and digital elevation model of Yantra river basin
General Schemas of water resources utilization in river basin district
Programmes, projects, surveys, investments and others
The tendency for the change of the chemical composition of the surface waters upstream the river Iskar has been researched for the period 2000-2002 regarding the following indicators: active reaction, sulfate, nitrate and bicarbonate ions and electric conductivity, in comparison with the period 1990-1994.
Delivered data are current to June 2003
2013/04/01 18:47:17.390 GMT+3
