VesselTraffic2009 (Map Service)
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Current Version: 10.81
Service Description: Derived from 2009 Automatic Identification System (AIS) broadcast returns. Each vessel count per aliquot block represents the number of vessels traveling through the block during the year of 2009. An aliquot measures 1/16 of a full OCS leasing block or 1200 x 1200 meters. The original raw data for June 2009 is missing 25 days of broadcast data.
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Description: Derived from 2009 Automatic Identification System (AIS) broadcast returns. Each vessel count per aliquot block represents the number of vessels traveling through the block during the year of 2009. An aliquot measures 1/16 of a full OCS leasing block or 1200 x 1200 meters. The original raw data for June 2009 is missing 25 days of broadcast data.
Copyright Text: BOEM
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Document Info:
- Title: 2009 Vessel Traffic (AIS)
- Author: MarineCadastreAdmin
- Comments:
- Subject: Traffic data for vessels equipped with AIS transponders during the year 2009.
- Category:
- Keywords: Vessel Traffic, ship traffic, vessel density, AIS, oceans