Scale	1:100 000
Sampling density	1x1 km
Area	984 km²
Leaching	hydrochloric acid, 1:4
Analytical methods	ICP-AES, AAS-CV, potentiometry, coulometry
Maps of pH and elements content soil (988 samples)	Ag, Al, As, Ba, Be, Corg, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Ni, P, Pb, S, Sr, Ti, V, Zn, pH
Maps of elements content of aqueous sediments (610 samples)	Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Ni, P, Pb, S, Sr, Ti, V, Zn
Maps of elements content of surface water(452 samples)	Al, B, Ba, Ca, Co, Cu, Fe, K, Li, Mg, Mn, Na, Ni, P, SiO₂, SO₄, Sr, Y, Zn, pH, EC
Maps of elements content changes after flood of 1997	As, Cd, Cr, Cu, Hg, Pb, S, Zn
Additional maps	geological, land development, land use, soil type

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