biostudies-literatureHerrera JLSpanish governmentCARPOS1336-1342https://www.ebi.ac.uk/biostudies/studies/S-EPMC6562283biostudies-literatureUnknown6A perfect Lagrangian drifter should move with the same velocity as the water volume that it is following. Deviations from this ideal will result in a relative velocity between the drifter's drogue and its surrounding water, commonly named "slip". Estimating a drifter's slip is difficult, especially for custom and heavily instrumented drifters. We propose to use a Self-Contained Acoustic Doppler Current Profiler (SCADCP) attached to the drifter to: •Measure the drifter's slip directly at the drogue depth.•Obtain complementary data of current at other depths.MethodsXMeasuring a Lagrangian drifter's slip with an onboard ADCP.PMC6562283REN2003-09532- C03Varela RAGonzalez JHerrera JLfalseMeasuring a Lagrangian drifter's slip with an onboard ADCP.A perfect Lagrangian drifter should move with the same velocity as the water volume that it is following. Deviations from this ideal will result in a relative velocity between the drifter's drogue and its surrounding water, commonly named "slip". Estimating a drifter's slip is difficult, especially for custom and heavily instrumented drifters. We propose to use a Self-Contained Acoustic Doppler Current Profiler (SCADCP) attached to the drifter to: •Measure the drifter's slip directly at the drogue depth.•Obtain complementary data of current at other depths.2019-01-01T00:00:00Z20192025-05-31T23:09:06.531Z2025-05-31T23:09:06.531ZS-EPMC65622833121109810.1016/j.mex.2019.05.032