A gyre is characterized by its circular motion, driven by global wind patterns and the Earth's rotation, which causes the water to circulate in a consistent loop. These massive ocean currents play a crucial role in regulating the planet's climate and influence marine ecosystems by distributing nutrients and heat across vast distances. The gyres are typically bounded by major ocean currents and can trap debris within their rotating currents, leading to the formation of garbage patches. As a result, gyres not only shape the movement of ocean water but also impact the accumulation of plastic and other pollutants, underscoring the urgent need for comprehensive ocean cleanup efforts. Understanding gyres is essential for developing effective strategies to combat marine pollution and protect marine life.
But even if they wipe out the Great Pacific Garbage Patch, more trash will await. Four additional giant garbage patches exist in the ocean’s gyres, in the south Pacific, the north and south Atlantic and the Indian Oceans. Lebreton said those other patches may not contain as much trash as the Great Pacific Garbage Patch, but they cover areas of similar size. This is the definition of gyre: a giant circular ocean current. Based on this definition, add multiple sentences to this passage to help refine the meaning of gyre.
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