Macro- and micro-nutrient flux to a highly productive submarine bank in the Gulf of Alaska: A model-based analysis of daily and interannual variability

► A biophysical model simulation is used to study nutrient supply to the Portlock Bank. ► Clear differences exist between supply mechanisms for nitrate and iron. ► All supply mechanisms have strong variability on intra- and inter-annual timescales. ► Ocean observing data are used to help verify model results.