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Tracking the global reduction of marine traffic during the COVID-19 pandemic

Earth Sciences

Tracking the global reduction of marine traffic during the COVID-19 pandemic

D. March, K. Metcalfe, et al.

The COVID-19 pandemic has drastically altered marine traffic, with a striking 70.2% of Exclusive Economic Zones (EEZs) experiencing significant reductions. This study by David March, Kristian Metcalfe, Joaquin Tintoré, and Brendan J. Godley reveals critical insights into the effects of confinement measures on global vessel movement, peak declines, and the recovery patterns in the Western Mediterranean. Discover how these changes impact the blue economy and ocean health.

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Playback language: English
Abstract
The COVID-19 pandemic caused unprecedented global impacts on human mobility, including a significant reduction in marine traffic. This study quantifies and maps the global change in marine traffic during the first half of 2020 using Automatic Identification System (AIS) data. Results show decreases in 70.2% of Exclusive Economic Zones (EEZs), with variations aligned with confinement measures. Global declines peaked in April, with a 1.4% reduction in traffic occupancy. Passenger vessels experienced the most significant and prolonged decreases. A regional assessment in the Western Mediterranean provided insights into recovery pace and long-term changes. This approach guides large-scale monitoring of COVID-19's effects on vessel traffic, influencing the blue economy and ocean health.
Publisher
Nature Communications
Published On
Apr 27, 2021
Authors
David March, Kristian Metcalfe, Joaquin Tintoré, Brendan J. Godley
Tags
COVID-19
marine traffic
Automatic Identification System
Exclusive Economic Zones
blue economy
ocean health
vessel movement
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