Figure 7
From: Speciation determination of iron and its spatial and seasonal distribution in coastal river

The relationship between the concentrations of the total Fe (TFe) with dissolved oxygen (DO) in April (a) and in September (b); the relationship between concentrations of TFe with salinity in April (c) and in September (d); the relationship between concentrations of acidified dissolved Fe (ADFe) with DO in April (e) and in September (f); the relationship between concentrations of ADFe with salinity in April (g) and in September (h).