pH distribution maps

1984 - 1996

2007 - 2010

pH difference pH [2007/2008] - pH [1984/1996]

pH in water samples sampled in 1984 - 1996 and 2007 - 2010

Numbers in the plots represent median.

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Map of collected samples

Distribution map of conductivity

Concentration maps: SO₄, NO₃, Cl, F, Ca, As, Be, Cd, Cu, Pb, Zn