Sentences with phrase «largest ocean gyres»

Not exact matches

If you trawl a fine mesh net through any of the globe's five subtropical gyres — giant ocean vortexes where currents converge and swirl unhurriedly — you will haul on deck a muddle of brown planktonic goop, the occasional fish, squid or Portuguese man - of - war — and, almost certainly, a generous sprinkling of colourful plastic particles, each no larger than your fingernail.
SeaWiFS data show that photosynthesizing organisms have declined in certain ocean gyres (large - scale surface current patterns), said Jim Yoder, a scientist at the Woods Hole Oceanographic Institution, in a NASA article commemorating the end of SeaWiFS's mission.
Such accumulation zones are created when large amounts of floating plastic debris are caught by ocean currents and concentrate in the centre of gyre systems.
Their work, published this month in the Proceedings of the National Academy of Sciences, did find millions of pieces of plastic debris floating in five large subtropical gyres in the world's oceans.
And I do think there are a number of questions about interpretation of observations, and the details of the climate model experiment (the very large exponentially increasing freshwater fluxes, the low - resolution of the ocean which obscures the potentially important role of wind - driven ocean gyres, etc.).
Because of ocean currents and winds, a large chunk of the gyre's trash now eventually lands on the shores of the Hawaiian archipelago.
These subtropical ocean gyres are large rotating masses of surface water which occupy the mid-latitudes of each ocean basin.
A large Beaufort Gyre which covers most of the Arctic Ocean during the 1980s, and a transpolar drift stream shifted towards the Eurasian Arctic.
The largest of these patches, approximately as large as Texas, is located in the Northern Pacific Ocean, named the Pacific Gyre or The Great Garbage Patch.
The westerlies of middle latitudes and the trade winds of the tropics drive the most prominent features of ocean surface motion, large - scale roughly circular current systems elongated in the east - west direction known as gyres.
In this paper, it is shown that coherent large - scale low - frequency variabilities in the North Atlantic Ocean — that is, the variations of thermohaline circulation, deep western boundary current, northern recirculation gyre, and Gulf Stream path — are associated with high - latitude oceanic Great Salinity Anomaly events.
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