Forcing Functions Value Unit Reference Ppsyn Photosynthesis rate 1.0002 day-1 Calibrated kDIC Half saturation constant for nutrient uptake by phytoplankton 0.05 day-1 [12] rCP Rate of conversion of DIC to other forms of carbon 0.43 day-1 Calibrated mrP Mortality rate of phytoplankton 0.234 day-1 [12] rphy Respiratory rate of phytoplankton 0.024 day-1 [12] lrt1 Loss rate of nutrient 0.49 day-1 Ray, 2008 srt Settling rate of phytoplankton 0.15 day-1 [12] lrt2 Loss rate of phytoplankton 0.156 day-1 Roy et al., 2012 rex Excretion rate of zooplankton 0.01 day-1 [12] rZoo Respiratory rate of zooplankton 0.025 day-1 [12] grt Growth rate of zooplankton 0.6 day-1 [12] kZ Half saturation constant for phytoplankton grazing by zooplankton 0.02 day-1 [12] prZ Rate of predation by fish 0.22 day-1 Ray et al., 2002 mrZ Mortality rate of zooplankton 0.15 day-1 [12] lrt3 Loss rate of zooplankton 0.18 day-1 Roy et al., 2012

Table 3: Description, values, units and references of the forcing functions of the model.