Parent Layer: Annual Vessel Density

Name: 2012 Tug-Tow Vessel Density

Display Field:

Type: Raster Layer

Geometry Type: null

Description: This layer shows the density of vessel traffic in 2012 for tug and towing vessels that carry Automatic Identification System (AIS) transponders. 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. The data represent density in 100 meter grid cells and are best interpreted using a high to low density scale.

Definition Expression: N/A

Copyright Text: Automatic Identification Systems, U.S. Coast Guard

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Supported Query Formats: JSON, AMF, geoJSON

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Extent:

XMin: -8658000.839761008
YMin: 4173849.1797713125
XMax: -7097100.839761008
YMax: 5900049.1797713125
Spatial Reference: 102100  (3857)

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