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Sean,

Actually I try to use ancillary data (sst,par,chl) provide by Oregon State group and for the euphotic depth I use L3m from MODIS then I insert them into the VGPM algorithm using ArcGIS. But the output that I get is not the same as the vgpm given by the Oregon State group.

azura

I am currently conducting research on oceanic primary productivity on the east coast of peninsular Malaysia. I use VGPM algorithm to get pp values which I change MODIS SST to HYCOM SST. As a result, the VGPM-HYCOM I get two times higher than the original VGPM. However, when I calculate VGPM manually...