Global changes in vessel traffic density per vessel categories between April 2020 and April 2019
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资源简介：
Absolute difference in traffic density between April 2020 and April 2019, derived using cell-by-cell subtraction. Coordinate reference system is Mollweide projection with a WGS84 datum.<br>Vessel categories: (a) count (all vessels), (<b>b</b>) cargo, (<b>c</b>) tanker, (<b>d</b>) passenger, (<b>e</b>) fishing, (<b>f</b>) other vessels.
创建时间：
2020-07-21
