Nitrate Origin in the Zagreb Aquifer System

Figure 6

Molar ratios of (a) nitrates and chlorides in the historical data set, (b) nitrates and sodium in the historical data set, (c) nitrates and potassium in the historical data set, (d) nitrates and chlorides in the sampled water, (e) nitrates and sodium in the sampled water, and (f) nitrates and potassium in the sampled water.

(a)

(b)

(c)

(d)

(e)

(f)