Lagrangian drifter data from the mouth of the Columbia River, Oregon and Washington, 2013

Online link https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_F7NG4NS1/mcr13_drifter_metadata.faq.html
Description Lagrangian surface currents were measured using drifters equipped with global navigation satellite system (GNSS) receivers. A total of 8 drifter deployments were performed between May 25 and June 8, 2013. For each deployment, drifters were released within the MCR and their positions were recorded until the drifters were recovered. The average duration of the drifter deployments varied between 1.6 h and 17.2 h and the number of drifters released in a deployment ranged between 11 and 84. The initial positions and timing of the release of the drifters relative to the tidal cycle varied throughout the drifter deployments. Digital files containing the drifter data from each deployment are available in NetCDF format. [More]
Originators Stevens, Andrew W.; Gelfenbaum, Guy R.; MacMahon, Jamie; Reniers, Adm. J. H. M.; Elias, Edwin P.L.; Sherwood, Christopher R.; and Carlson, Emily M.

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Plot of drifter tracks from deployments 1-4.
Plot of drifter tracks from deployments 1-4.