Name: Ocean-based pollution

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Description: Ocean-based pollution is assumed to derive from commercial and recreational ship activity. The shipping data provide an estimate of the occurrence of ships at a particular location, and therefore an estimate of the amount of pollution they produce (via fuel leaks, oil discharge, waste disposal, etc.) that is unique from their contribution to ship strikes, etc. Ocean currents can disperse this pollution into untraveled regions, but small-scale oceanography is known for only a few select locations around the world, and pollutants are likely to be most concentrated in high traffic areas. The dispersal of port-derived pollution was modelled as a diffusive plume, but with a maximum distance of 100 km.

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Copyright Text: National Center for Ecological Analysis and Synthesis, 735 State Street - Santa Barbara, California, USA. http://www.nceas.ucsb.edu/GlobalMarine

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