• The measured drifter motion can be generalized to
affect smaller (plastic) particles similarly.
• The plastic debris motion repeats periodically (gyres
have periods of rotation)
• The actual mass or volume of the debris has no effect
on the movement.
• Particle movement is assumed linear from cell to cell.
The model can be evaluated very quickly and is based on
real-world observations. The gyre predictions match observations.
However, the assumptions made and the low
spatial resolution have implications for the obtained results.