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The English version of our glossary is currently under construction and will be regularly updated.

Lagrangian approach

In a Lagrangian model, the simulated parameters follow the large-scale motion.

As such, in a Lagrangian sea-ice model, each simulation point (grid cell) follows the development of the same piece of ice. Conversely, in a Eulerian model the simulation points (grid cells) are fixed and the ice’s properties must be passed on from cell to cell, depending on the motion.