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South Pacific garbage patch

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 area is in the South Pacific Gyre, which itself spans from waters east of Australia to the South American continent, as far north as the Equator, and south until reaching the Antarctic Circumpolar Current. The degradation of plastics in the ocean also leads to a rise in the level of toxics in the area. The garbage patch was confirmed in mid-2017, and has been compared to the Great Pacific garbage patch's state in 2007, making the former ten years younger. The South Pacific garbage patch is[when?] impossible to detect using satellites, or other visual means as most particles are smaller than a grain of rice.[citation needed]

The South Pacific Gyre can be seen in the lack of oceanic currents off the west coast of South America. 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
For marine debris gyres, see Garbage patch.

Contents

Evidence pointing to the existence of a garbage patch in the South Pacific gyre was made in early 2011 and its existence was confirmed in mid-2017. The discovery was made after a research voyage made by the 5 Gyres Institute.[citation needed] The voyage ran from March to April 2011, following a route based on a model of ocean currents developed by Nikolia Maximenko of the University of Hawaii, which predicts floating debris accumulation zones. The expedition started taking samples off the coast of Robinson Crusoe Island, Chile, and began working its way west, collecting new samples every 50 nautical miles, reaching the waters off Easter Island, and eventually Pitcairn Island.

A second water sampling voyage departing from Long Beach, California on November 2, 2016, lasting six months, was led by Charles J. Moore, and a team of researchers from Algalita Marine Research and Education. Upon departure the vessel began its journey south along the Baja California peninsula and on to the Galapagos Islands, continuing southwest on to Easter Island. After departing Easter Island the crew then headed eastward to the Juan Fernandez Islands, after which it continued north following the coast of Chile, with stopping points at Antofagasta, Chile, and Arica, Chile, before heading further out to sea for its return journey to Long Beach.

During the 5 Gyres expedition, 48 samples were taken from a 2,424 nautical sweep. The researchers found an increase in plastic pollution density, averaging 26,898 particles per square kilometer, but spiking at up to 396,342 particles per square kilometer, peaking near the center of the predicted accumulation zone, with some estimates as high as one million particles per square kilometer.

The composition of the garbage patch consists mainly of microbeads, tiny abrasives less than 5 micrometers in size usually found in certain personal hygiene products, microscopic fibers from washing clothes, fishing debris from southern hemisphere fishermen, and microscopic fragments of larger pieces which have been broken down in the ocean.

The elevated levels of pollutants can be detected over a vast area estimated to be 2.6 million square kilometers (one million square miles), or about 1.5 times the size of Texas, with the debris found along a nearly 2,500 nautical mile straight line route.

Further information: Marine debris and Plastic soup
  1. "South Pacific Gyre - Correntes Oceânicas". Google Sites.
  2. Barry, Carolyn (20 August 2009). "Plastic Breaks Down in Ocean, After All And Fast". National Geographic Society.
  3. Spear, Stefanie (9 August 2016). "New Garbage Patch Discovered in the South Pacific Gyre". EcoWatch.
  4. "South Pacific Ocean Gyre Holds Massive Garbage Patch". Inc., Pelmorex Weather Networks. The Weather Network.
  5. "2016-2017 South Pacific Expedition". Google Maps, Google.
  6. "Scientists Confirm the Existence of Another Ocean Garbage Patch". 19 July 2017.
  7. Carr, Ada (27 July 2017). "Newly Discovered Garbage Patch in the South Pacific Is 1.5 Times the Size of Texas, Study Says". Weather.com. The Weather Channel.
  8. Pierre-Louis, Kendra (21 July 2017). "Guess How Many Giant Patches of Garbage There Are in the Ocean Now?". Popular Science.
  9. "Massive South Pacific Ocean Garbage Patch 'A Dead Place'". Pacific Islands Report. 24 July 2017. Retrieved14 August 2017.
  10. Nield, David (25 July 2017). "There's Another Huge Plastic Garbage Patch in The Pacific Ocean". Sciencealert.com. ScienceAlert.

South Pacific garbage patch
South Pacific garbage patch Article Talk Language Watch Edit 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 area is in the South Pacific Gyre which itself spans from waters east of Australia to the South American continent as far north as the Equator and south until reaching the Antarctic Circumpolar Current 1 The degradation of plastics in the ocean also leads to a rise in the level of toxics in the area 2 The garbage patch was confirmed in mid 2017 and has been compared to the Great Pacific garbage patch s state in 2007 making the former ten years younger The South Pacific garbage patch is when impossible to detect using satellites or other visual means as most particles are smaller than a grain of rice citation needed The South Pacific Gyre can be seen in the lack of oceanic currents off the west coast of South America Map of ocean currents circa 1943 This photo demonstrates the dispersal of plastic fragments of various sizes Play media Visualization of the flow pattern of ocean pollutantsFor marine debris gyres see Garbage patch Contents 1 Discovery 2 Composition concentration and size 3 Effects on marine life and the ocean 4 See also 5 ReferencesDiscovery EditEvidence pointing to the existence of a garbage patch in the South Pacific gyre was made in early 2011 and its existence was confirmed in mid 2017 The discovery was made after a research voyage made by the 5 Gyres Institute citation needed The voyage ran from March to April 2011 following a route based on a model of ocean currents developed by Nikolia Maximenko of the University of Hawaii which predicts floating debris accumulation zones The expedition started taking samples off the coast of Robinson Crusoe Island Chile and began working its way west collecting new samples every 50 nautical miles reaching the waters off Easter Island and eventually Pitcairn Island 3 A second water sampling voyage departing from Long Beach California on November 2 2016 lasting six months was led by Charles J Moore and a team of researchers from Algalita Marine Research and Education 4 Upon departure the vessel began its journey south along the Baja California peninsula and on to the Galapagos Islands continuing southwest on to Easter Island After departing Easter Island the crew then headed eastward to the Juan Fernandez Islands after which it continued north following the coast of Chile with stopping points at Antofagasta Chile and Arica Chile before heading further out to sea for its return journey to Long Beach 5 Composition concentration and size EditDuring the 5 Gyres expedition 48 samples were taken from a 2 424 nautical sweep The researchers found an increase in plastic pollution density averaging 26 898 particles per square kilometer but spiking at up to 396 342 particles per square kilometer peaking near the center of the predicted accumulation zone 3 with some estimates as high as one million particles per square kilometer 6 The composition of the garbage patch consists mainly of microbeads tiny abrasives less than 5 micrometers in size usually found in certain personal hygiene products 7 microscopic fibers from washing clothes 8 fishing debris from southern hemisphere fishermen 9 and microscopic fragments of larger pieces which have been broken down in the ocean 8 The elevated levels of pollutants can be detected over a vast area estimated to be 2 6 million square kilometers one million square miles or about 1 5 times the size of Texas 10 with the debris found along a nearly 2 500 nautical mile straight line route 6 Effects on marine life and the ocean EditFurther information Marine debris and Plastic soupSee also Edit Oceans portal South Pacific Gyre South Atlantic Gyre Marine debris Plastic pollutionReferences Edit South Pacific Gyre Correntes Oceanicas Google Sites Barry Carolyn 20 August 2009 Plastic Breaks Down in Ocean After All And Fast National Geographic Society a b Spear Stefanie 9 August 2016 New Garbage Patch Discovered in the South Pacific Gyre EcoWatch South Pacific Ocean Gyre Holds Massive Garbage Patch Inc Pelmorex Weather Networks The Weather Network 2016 2017 South Pacific Expedition Google Maps Google a b Scientists Confirm the Existence of Another Ocean Garbage Patch 19 July 2017 Carr Ada 27 July 2017 Newly Discovered Garbage Patch in the South Pacific Is 1 5 Times the Size of Texas Study Says Weather com The Weather Channel a b Pierre Louis Kendra 21 July 2017 Guess How Many Giant Patches of Garbage There Are in the Ocean Now Popular Science Massive South Pacific Ocean Garbage Patch A Dead Place Pacific Islands Report 24 July 2017 Retrieved 14 August 2017 Nield David 25 July 2017 There s Another Huge Plastic Garbage Patch in The Pacific Ocean Sciencealert com ScienceAlert Retrieved from https en wikipedia org w index php title South Pacific garbage patch amp oldid 1044003694, wikipedia, wiki, book,

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