Results from the chlorophyll (C) model comparison when including the two regionally tuned empirical algorithms (OC4-RG and OCI-RG). The bar chart at the top shows the results
from the point classification and scatter plots of modelled and in situ chlorophyll are shown below for the OC4-RG and OCI-RG. Black line refers to 1:1 line and dashed line Type-2
regression