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Map of ocean currents circa 1943 This photo demonstrates the dispersal of plastic fragments of various sizes Visualization of the flow pattern of ocean pollutants. The South Pacific garbage patch is an area of ocean with increased levels of marine debris and plastic particle pollution, within the ocean's pelagic zone.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. Large floating field of debris in the North Atlantic Ocean The North Atlantic Gyre is one of five major ocean gyres. The North Atlantic garbage patch is a garbage patch of man-made marine debris found floating within the North Atlantic Gyre, originally documented in 1972. A 22-year ...
The North Pacific Garbage Patch on a continuous ocean map. The Great Pacific Garbage Patch formed gradually as a result of ocean or marine pollution gathered by ocean currents. [39] It occupies a relatively stationary region of the North Pacific Ocean bounded by the North Pacific Gyre in the horse latitudes. The gyre's rotational pattern draws ...
After sampling water sites around the country, the Surfrider Foundation, an ocean protection advocacy organization, found unsafe levels of fecal contamination at 19% of the 9,095 water samples. Of ...
The images show what various parts of the country looked like before the air and water protections that exist today. Vintage photos taken by the EPA reveal what America looked like before ...
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
Red tides in the Gulf of Mexico and toxic blue-green algae in inland waters are killing animals and stoking outrage in South Florida.
The Mid Atlantic Bight's ecosystem can be seen as a transitional ecosystem between that of temperate and tropical ocean. Like the Gulf of Maine, it is an area of relatively high primary production. Much of the primary production in the Mid Atlantic Bight is in the summer and winter, and is highest near shore, and in estuarine environments.