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Ship Density

2D Distribution

Main shipping lanes in the world

Here are some shipping lanes over the world. The Global Ship Density source data is ship density from 2015-2020, at 500m resolution.

main_lanes

U.S. ship density

As the Global Ship Density dataset only provides the longtime summarized data, we switch to the US Vessel Traffic Data which is the original 2009-2020 AIS data.

Here’s the comparison of ship density before and during the COVID-19 pandemic.

The ship density near the coast decreased during the pandemic, but increased in the ocean.

ship_density_2d

Time Series

Of course, we can also get the seasonal pattern of ship density and the effect of pandemic.

  • There are more ships in spring and summer.

  • The most significant different is between 2020-04-15 and 2020-05-15.

ship_density_timeseries