Visualizing Ship Movements with AIS Data [OC] Data: NOAA Marine Cadastre; Tools: QGIS

    by jonkeegan

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    1. Using NOAA’s “[Marine Cadastre](https://hub.marinecadastre.gov/pages/vesseltraffic?ref=beautifulpublicdata.com)” tool, you can download 16 years’ worth of detailed daily ship movements (filtered to the minute), in addition to “transit count” maps generated from a year’s worth of data to show each ship’s accumulated paths.

      I downloaded all of 2023’s transit count maps and loaded them up in QGIS to visualize this year of marine traffic.

      I removed the landmasses from the map and left only the ship traces.

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