Tracking ocean microplastics from space

Read the full story from the University of Michigan. See also the researcher’s article at The Conversation.

An estimated eight million tons of plastic trash enters the ocean each year, and most of it is battered by sun and waves into microplastics—tiny flecks that can ride currents hundreds or thousands of miles from their point of entry. The bits can harm sea life and marine ecosystems, and they’re extremely difficult to track and clean up.

Now,  University of Michigan researchers have developed a new way to spot ocean microplastics across the globe and track them over time, providing a day-by-day timeline of where they enter the water, how they move and where they tend to collect. The approach relies on the Cyclone Global Navigation Satellite System (CYGNSS) and can give a global view or zoom in on small areas for a high-resolution picture of microplastic releases from a single location.

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