01006647

Component

https://doi.org/10.3141/1909-13

http://scholar.google.com...bett&publication_year=2005

The Commercial Marine Vessel Traffic and Air Emissions Model (CMV-TAEM) estimates and geographically represents offshore vessel traffic and emissions based on actual shipping activities. The CMV-TAEM has three modules: ship traffic, ship emissions, and policy analysis. The model establishes empirical ship traffic network on the basis of ship observations derived from the International Comprehensive Ocean-Atmosphere Data Set and shipping activity records. Geographical representations of ship traffic intensities and emissions can be produced through the mathematic manipulation of matrices of ship traffic network, shipping activity, and ship characteristic data. Overall, although seasonal changes are apparent, the global ship traffic pattern does not change much annually. The ship traffic pattern changes regionally, with a net increase in some areas and net decrease in others. Multiple-year observations are combined to make traffic patterns for major shipping lanes smoother and clearer. Results indicate that 84.5% of global ship traffic occurs north of the equator and two-thirds of global ship traffic within 200 nautical miles of the shore. About 10% of global ship traffic occurs in U.S. coastal waters; shipping along the East Coast accounts for more than one-fifth of the U.S. coastal traffic. Adequate data are available to determine ship activities and ship attributes and to implement the model.

01006646

English

pp 90-99

2005

Transportation Research Record: Journal of the Transportation Research Board

0309093821

Print

Figures (6) ; References (26) ; Tables (1)

Exhaust gases; Policy analysis; Ships; Water traffic

Commercial Marine Vessel Traffic and Air Emissions Model

Coastal waters; Seasonal variations

East Coast (United States)

Environment; Marine Transportation; Policy; Vehicles and Equipment

TRIS, TRB

Oct 25 2005 4:15PM

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