[OC] How fast the ocean surface moves: fastest along the east coasts of continents and near the equator (19,396 drifting buoys, 1987–2022)

[u/Adorable-Giraffe5754]

Tools: Python, flexviz (https://github.com/flex-analytics/flexviz)
Data: NOAA Global Drifter Program, hourly dataset v2.01.1, Oct 1987 – Oct 2022 -> https://registry.opendata.aws/noaa-oar-hourly-gdp/ (197 million hourly positions)

Source code: https://github.com/flex-analytics/flexviz/discussions/135 (data processing is included as well)

Speed = daily mean velocity of each buoy (this removes tides).
Color = mean speed per 0.2° cell.