The narrow clouds form when water vapor condenses around tiny particles of pollution.
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Summer is the time for ship tracks—especially off the west coast of North America.
Ship tracks are a common atmospheric occurrence. Scientists are now combining machine learning and satellites to detect them automatically.
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Under the right environmental conditions, pollution from ships can make long, bright tracks amidst the clouds.
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Ship emissions in the southeast Atlantic help create more reflective clouds that produce a local cooling effect.
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Serpentine clouds crossed tracks in the eastern Pacific Ocean in mid-January 2013.
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Scientists investigate how clouds respond to ship plumes.
Sediment plumes reveal busy shipping lanes leading toward ports in northern China.
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Exhaust creates cloud lines that trace the curved trajectories of ships.
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In recent years, scientists have turned their attention to the ways in which human-produced aerosol pollution modifies clouds.
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Unique Imagery
Scientists from NASA are cruising on a research vessel from Tasmania to Tahiti by way of the Southern Ocean. Their objective: gather detailed measurements of Pacific sea water that will be used to validate satellite measurements
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Ship-breaking operations along the coast of Bangladesh recycle old vessels into raw steel and marine supplies.
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With most lockdowns ending and economic activity resuming, levels of the air pollutant have returned to near normal for this time of year.
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Ships and islands contributed to an intricate cloud pattern over the northern Pacific Ocean in April 2013.
Dust and Haze