2013 Tug and Towing Vessel Density

Published by Office for Coastal Management | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2015-12-09T00:00:00.000+00:00

Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international waters in real-time. This dataset represents the density of tug and towing vessel traffic in 2013 for the contiguous United States offshore waters from tug and towing vessels with AIS transponders in 100 meter grid cells. The dataset is best interpreted using a high to low density scale and does not represent actual vessel counts.

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Complete Metadata

describedByType	application/octet-steam
identifier	gov.noaa.nmfs.inport:48938
issued	2015-12-09T00:00:00.000+00:00
landingPage	https://www.fisheries.noaa.gov/inport/item/48938
language	[]
references	[ "https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/ocm/dmp/pdf/48938.pdf" ]
rights	otherRestrictions, unclassified
spatial	-61.629984,17.084317,-132.000221,56.203637
temporal	2013-01-01T00:00:00+00:00/2013-12-31T00:00:00+00:00

Location