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Glossary

Lagrangian approach

Measurements are taken along the path (of the trajectory). The measuring point moves with the subject.

In the Lagrangian approach, measurements are not taken at a fixed point but rather along the path of what is referred to as a trajectory. The analysis of the measurements follows this trajectory. Examples include autonomous measuring systems (=buoys), which measure the properties and position of the sea ice as it drifts through the polar regions and changes with the seasons.

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