The Plymouth Cruise Ship plume plotter shows a prediction of the current amount of air pollution (at ground level) caused by emissions from a cruise ship at Millbay Docks, Plymouth.
The plume is based upon a typical mid-size cruise ship of the type expected to visit Plymouth in 2022. A hotel power requirement of 4MW is representative with machinery meeting IMO Tier 1 emission standard (for ships built after 2011, NOx levels will be 15% lower). NOx and particulates levels are based on studies of cruise ships berthed at cruise ship terminals.
Plume Plotter predicts this fallout using AERMOD, which is one of the most widely used modelling systems for air pollution. It uses the latest local weather conditions and upper air data, which are obtained in real time. Plume Plotter does not use real-time information about the ship's emissions. Instead, it assumes that it is operating continuously (8760 hours per year) and emitting pollutants at the above constant rate. In the real world, the ship's emissions at any point in time might be greater or less than we assume.
Plume Plotter's model takes account of the real terrain in the vicinity of the ship but assumes that there are no buildings nearby.
For detailed information, please see the links below.
Disclaimer: While we believe that our predictions are as accurate as possible using the resources and information available to us, we make no claims or guarantees made about the correctness of the information presented on this website.
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|How Plume Plotter works|
|Details of Plymouth Cruise Ship Plume Plotter|
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