Figure 27. Silicate and phosphate patterns in subsurface waters of the South Atlantic (from Herzfeld and Berger, 1993). A. Silicate concentrations at 100-m depth (in µM/kg). B. Phosphate concentrations at 100-m depth (in µM/kg).

Figure 27. Silicate and phosphate patterns in subsurface waters of the South Atlantic (from Herzfeld and Berger, 1993). A. Silicate concentrations at 100-m depth (in µM/kg). B. Phosphate concentrations at 100-m depth (in µM/kg).