Figure 13.

Quartile diagrams of (a) MLD, (b) [Chla]_sat, (c) mean daily PAR in the mixed layer (${\overline{iPAR}}_{ML}$), and (d) mean nitrate concentration in the ML (${\overline{Nitrate}}_{ML}$) per Northern Hemisphere‐phased month (regardless of the year) for DAZ profiles with a monthly occurrence of DCM profiles (color gradient). DAZ, Deep photoAcclimation Zone; DCM, Deep Chlorophyll Maximum; GHOZ, Ghost Zone; MLD, Mixed Layer Depth; PAR, Photosynthetically Available Radiation.