Simultaneous measurement of 3D zooplankton trajectories and surrounding fluid velocity field in complex flows.

@article{Adhikari2015SimultaneousMO,
  title={Simultaneous measurement of 3D zooplankton trajectories and surrounding fluid velocity field in complex flows.},
  author={Deepak Adhikari and Brad J Gemmell and Michael P Hallberg and Ellen Longmire and Edward J. Buskey},
  journal={The Journal of experimental biology},
  year={2015},
  volume={218 Pt 22},
  pages={3534-40}
}
We describe an automated, volumetric particle image velocimetry (PIV) and tracking method that measures time-resolved, 3D zooplankton trajectories and surrounding volumetric fluid velocity fields simultaneously and non-intrusively. The method is demonstrated for groups of copepods flowing past a wall-mounted cylinder. We show that copepods execute escape responses when subjected to a strain rate threshold upstream of a cylinder, but the same threshold range elicits no escape responses in the… CONTINUE READING

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