Seasonal Variations of Phosphorus Species in the Overlying and Pore Waters of the Tuohe River, China

Figure 4

Vertical distributions of dissolved Fe (a), dissolved Mn (b), and phosphorus species (c) in pore waters at the Neijiang site in summer, as well as dissolved Fe (d), dissolved Mn (e), and phosphorus species (f) in pore waters at the Neijiang site in winter.

(a)

(b)

(c)

(d)

(e)

(f)