Maritime traffic is increasing globally, with a four-fold increase in commercial vessel movements between 1992 and 2012. Vessels contribute to noise and air pollution, provide pathways for non-native species, and collide with marine wildlife. While knowledge of shipping trends and potential environmental impacts exists at both local and global levels, key information on vessel density for regional-scale management is lacking. This study presents the first in-depth spatio-temporal analysis of shipping in the north-east Atlantic region, over three years in a five-year period. Densities increased by 34%, including in 73% of Marine Protected Areas. Western Scotland and the Bay of Biscay experienced the largest increases in vessel density, predominantly from small and slow vessels. Given well-documented impacts that shipping can have on the marine environment, it is crucial that this situation continues to be monitored - particularly in areas designated to protect vulnerable species and ecosystems which may already be under pressure.
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| http://dx.doi.org/10.1016/j.marpolbul.2022.113681 | DOI Listing |
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Article Synopsis
- Understanding of extreme events in physical systems, like ocean waves, is crucial for designing ships and offshore platforms for safe operations.
- A significant wave packet was recorded in the Bay of Biscay, measuring over 1 km in extension, with crests moving faster than 100 km/h and a peak height of 27.8 m.
- The analysis revealed complex nonlinear characteristics of the wave packet, suggesting a need for a new understanding of ocean dynamics and nonlinear wave behavior.
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