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Unique Phenomena in the Ocean
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This chapter surveys distinctive ocean phenomena including coastal upwelling, deep-water circulation, and the accumulation of microplastics in marine environments. It underscores how fundamental ocean processes—the same ones that drive marine productivity—also transport and concentrate plastic pollution across vast distances.
This chapter examines distinctive oceanic phenomena, such as coastal upwelling and downwelling, the sinking of cold water in polar regions, oceanic microplastics, the geophysical turbulence depicted in van Gogh’s The Starry Night and satellite observations,...
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Analysis of Marine Microplastics in the Water Column Sampled up to 300 M Depth
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Researchers sampled ocean water down to 300 meters depth and detected microplastics throughout the water column, demonstrating that plastic pollution extends well below the surface and is not limited to the shallow or coastal zones most commonly studied.
Plastics: An Additional Threat for Coral Ecosystems
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Plastic debris accumulating in oceans poses a compounding threat to coral reef ecosystems already stressed by climate change, ocean acidification, and overfishing. Microplastics can smother corals, introduce pathogens, and leach toxic chemicals, threatening the biodiversity and fisheries these reefs support.
Fate of Plastics in the Ocean Environment: The Plastic Odyssey
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This work traces the full lifecycle of plastic debris in marine environments — from land-based and ocean-based entry points through fragmentation, UV degradation, biofouling, and deep-sea accumulation — synthesizing the physical and chemical processes that govern plastic fate in the ocean. Understanding these transport and degradation pathways is critical for predicting where microplastics concentrate in marine food webs and designing effective interventions to prevent their accumulation in seafood and ocean ecosystems.
Micro-Nano Plastics—Impact on Coral Ecosystem
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This review documents how micro- and nanoplastics threaten coral reef ecosystems, which support biodiversity and serve over 500 million people, by disrupting feeding, reproduction, and symbiotic algae. Coral reefs act as a sentinel for ocean health, and their decline under plastic pollution signals broader risks to marine food webs that humans depend on.
Current Problems of the World Ocean Pollution by Microplastic
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Researchers reviewed the scale and sources of microplastic contamination in the world's oceans, finding that the particles' durability and the lack of effective recycling infrastructure have allowed them to accumulate globally with no clear mechanism for natural removal.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.