Maya Ellison
The Great Pacific Garbage Patch, also known as the Pacific trash vortex or North Pacific Garbage Patch, is a gyre of marine debris particles in the central North Pacific Ocean. It is not a solid mass of plastic as is commonly imagined, but rather a dispersed area consisting primarily of microscopic plastic particles suspended in the upper water column. Estimates of its size vary, ranging from 700,000 square kilometres (similar to the size of Texas) to over 15,000,000 square kilometres (approximately twice the size of the United States). The patch is believed to be rapidly accumulating, with some reports indicating a tenfold increase each decade since 1945. While it is not visible from satellites or aircraft, the impact of this plastic pollution on marine life is significant and an area of ongoing research.
| Characteristics | Values |
|---|---|
| Name | Great Pacific Garbage Patch (also known as the Pacific Trash Vortex, North Pacific Garbage Patch, Eastern Garbage Patch, and Pacific Garbage Island) |
| Location | North Pacific Ocean, halfway between Hawaii and California, from 135°W to 155°W and 35°N to 42°N |
| Size | 1.6 million square kilometres (620,000 square miles), or twice the size of Texas and three times the size of France |
| Weight | 80,000 metric tons (88,000 short tons) or 100,000 kilograms (220,000 lb; 100 tons; 110 short tons) |
| Number of Plastic Pieces | 1.8 trillion, with 92% of the mass consisting of larger objects |
| Plastic Concentration | 10-100 kilograms per square kilometre (57-571 lb/sq mi) or 4 particles per cubic metre (3.1/cu yd) |
| Age of Plastics | Some plastics are over 50 years old |
| Examples of Plastics Found | Plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, plastic bags, and nurdles |
| Impact on Marine Life | 693 species of marine animals have had some interaction with human-made debris, with 17% listed as vulnerable to extinction |
| Cleanup Efforts | The Ocean Cleanup project, which has removed 20 million kg of trash as of November 2024, and the Marine Debris Programme |
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What You'll Learn
- The plastic island is not a solid mass, but a gyre of particles
- It is not visible to satellites or casual boaters/divers
- The plastic is mostly microscopic, with larger items making up 92% of the mass
- The plastic island is one of five plastic accumulation zones in the world's oceans
- It is not a whole piece of land but two parts connected by a waste stream
The plastic island is not a solid mass, but a gyre of particles
The "Great Pacific Garbage Patch", also known as the "Pacific trash vortex" or "North Pacific Garbage Patch", is a gyre of marine debris particles in the central North Pacific Ocean. It is important to note that this patch is not a solid mass or a continuous patch of easily visible marine debris. Instead, it is a widely dispersed area consisting primarily of suspended microplastics, with particles smaller than 5mm, or even microscopic in size, that are almost invisible to the naked eye. These microplastics are the result of larger pieces of plastic that have broken down over time from sources such as fleece jackets or plastic microbeads found in face scrubs.
The Great Pacific Garbage Patch is one of the five offshore plastic accumulation zones in the world's oceans, with similar patches forming in other oceans, such as the North Atlantic Garbage Patch in the Atlantic Ocean. The patch in the North Pacific Ocean is located roughly from 135°W to 155°W and 35°N to 42°N, trapped in the Pacific currents between Japan, the Hawaiian Islands, and California. It is not a single "island" of trash but consists of two parts, an Eastern and Western section, connected by a stream with a smaller concentration of waste.
The size of the patch is difficult to determine, and there are various estimates ranging from 700,000 square kilometres (similar to the size of Texas) to over 15,000,000 square kilometres (about twice the size of the United States). The patch is believed to be rapidly accumulating, with an estimated increase of "10-fold each decade" since 1945. While it cannot be easily seen from aircraft or satellites due to the small size of the particles, recent advancements in satellite technology and machine learning have helped scientists identify areas at risk of elevated plastic pollution.
The impact of microplastics on marine life is an area of active research, and it is clear that plastic pollution poses significant risks to marine animals and ecosystems. The plastic pollution in the Great Pacific Garbage Patch contains larger items, but a significant portion consists of trillions of tiny micro- and nanoplastics spread over large distances, creating a plastic smog. This pollution affects marine animals, with 693 species interacting with human-made debris, and 17% of these species listed as vulnerable to extinction. Additionally, microplastics can accumulate in the bodies of animals and humans, causing unknown health effects.
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It is not visible to satellites or casual boaters/divers
The Great Pacific Garbage Patch, also known as the Pacific trash vortex or North Pacific Garbage Patch, is a gyre of marine debris particles in the central North Pacific Ocean. It is not, as many believe, a solid island of trash. Instead, it is a widely dispersed area consisting primarily of ""fingernail-sized or smaller" particles, often microscopic, suspended in the upper water column. These microplastics are nearly ubiquitous in the marine environment and may come from larger pieces of plastic that have broken down over time.
The patch's low density (4 particles per cubic metre) prevents detection by satellite imagery or even by casual boaters or divers in the area. While localised pollution certainly occurs, most images of waters almost completely covered in trash are not of the open ocean and do not represent the reality of the plastic that accumulates there. Plastic pollution is not directly visible on satellite images, and the small size of the plastic particles in the patch makes detection by satellite extremely challenging.
However, in recent years, progress has been made in detecting plastics from space. For example, scientists from the Plymouth Marine Laboratory in the UK and the University of the Aegean in Greece were able to detect smaller floating plastic patches in optical data collected by the European Space Agency (ESA) Sentinel-2 satellites. Using machine learning techniques on floating materials detected in coastal waters, they could distinguish suspected plastics from natural materials, such as seaweed and driftwood, with high accuracy.
Additionally, researchers from the University of Michigan developed an indirect way to detect areas with elevated plastic pollution through satellite technology by evaluating the decrease in the roughness of the ocean surface caused by plastics dampening the waves. While these advancements have been made, it is still difficult to detect ocean plastics via satellite, and the plastic islands are not visible to casual boaters or divers.
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The plastic is mostly microscopic, with larger items making up 92% of the mass
The Great Pacific Garbage Patch, also known as the Pacific Trash Vortex or North Pacific Garbage Patch, is a gyre of marine debris particles in the central North Pacific Ocean. It is not a solid mass of plastic but rather a dispersed area of mostly microscopic plastic particles, known as microplastics, suspended in the upper water column. These microplastics are smaller than 5mm in size and are nearly invisible to the naked eye, giving the patch a peppery soup appearance. Despite this, the patch covers a vast area of approximately 1.6 million square kilometres, which is twice the size of Texas and three times the size of France.
While the plastic in the patch is mostly microscopic, it is important to note that larger items make up a significant proportion of the mass. In fact, it has been estimated that 92% of the mass of the patch is made up of objects larger than 0.5 centimetres. These larger items can include plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, plastic bags, and nurdles. Some of the plastic in the patch is over 50 years old, and it continues to rapidly accumulate, with estimates suggesting it has increased "10-fold each decade" since 1945.
The Great Pacific Garbage Patch is not a static feature but rather an evolving phenomenon influenced by ocean and weather conditions, as well as the physics of waves and currents. It is one of five offshore plastic accumulation zones in the world's oceans, with a similar patch of floating plastic debris found in the Atlantic Ocean, known as the North Atlantic Garbage Patch. These patches form due to the convergence of currents, trapping plastic pollution in encircled areas.
The perception of the Great Pacific Garbage Patch as a solid island of trash is a common misconception. This idea is perpetuated by media outlets that use images of heavily polluted waters almost completely covered in trash. While local pollution does occur, these images are often not representative of the open ocean and the reality of plastic accumulation in these areas. The low density of plastic pollution in the patch, estimated at 4 particles per cubic metre, makes it difficult to detect by satellite imagery or even by casual boaters or divers in the area.
The impacts of microplastics on marine life are an area of ongoing research. Microplastics can accumulate in the bodies of animals and humans, and larger pieces of plastic can injure or kill marine animals through ingestion or entanglement. Since 1997, 693 species of marine animals have been documented to have some interaction with human-made debris, with 17% listed as vulnerable to extinction on the IUCN Red List.
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The plastic island is one of five plastic accumulation zones in the world's oceans
The Great Pacific Garbage Patch, also known as the Pacific Trash Vortex or North Pacific Garbage Patch, is often referred to as a "plastic island". However, it does not exist as a solid mass of floating garbage. Instead, it is a gyre of marine debris particles, with a dispersed area consisting primarily of microplastics suspended in the upper water column. Microplastics are plastic particles smaller than 5mm in size, which are almost invisible to the naked eye, making the patch difficult to detect by satellite or aircraft.
The Great Pacific Garbage Patch is the largest of five offshore plastic accumulation zones in the world's oceans. It is located between Hawaii and California in the central North Pacific Ocean, and its size has been estimated to range from 700,000 to over 15,000,000 square kilometres. The patch is rapidly accumulating plastic, with researchers claiming it covers 1.6 million square kilometres and contains an estimated 80,000 metric tons of plastic. While microplastics dominate the area by count, 92% of the mass of the patch consists of larger objects, and it is believed that the patch contains approximately six pounds of plastic for every pound of plankton.
The plastic in the Great Pacific Garbage Patch originates from countries in Asia, North America, and South America. The impact of plastic pollution in this area is severe, with animals migrating through or inhabiting the patch likely consuming plastic. For example, studies have found high levels of plastic in the stomachs of seabirds, and sea turtles by-caught in fisheries within and around the patch have been found to have significant portions of their diets composed of ocean plastics.
In addition to the Great Pacific Garbage Patch, there are four other plastic accumulation zones in the world's oceans. These zones are located in the South Pacific, the North Atlantic, and two in the Indian Ocean. The exact locations and amounts of plastic in these zones are difficult to determine, as much of the plastic has broken down into microplastics that are widely dispersed and often invisible to the naked eye.
The impact of plastic pollution on marine life is an area of active research, and efforts are being made to clean up these plastic accumulation zones. The Ocean Cleanup project, for example, has removed millions of kilograms of trash from the Great Pacific Garbage Patch. However, it is important to note that the majority of ocean plastic is believed to accumulate along the shorelines, and addressing the root causes of plastic pollution is crucial to tackling this global issue.
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It is not a whole piece of land but two parts connected by a waste stream
The Great Pacific Garbage Patch, also known as the Pacific Trash Vortex or North Pacific Garbage Patch, is a gyre of marine debris particles in the central North Pacific Ocean. It is not a single, solid mass, but rather a collection of plastic and floating trash dispersed over a vast area. The patch is located between Japan, the Hawaiian Islands, and California, and was discovered in the second half of the 1990s by captain and oceanographer Charles J. Moore.
The Great Pacific Garbage Patch is not a whole piece of land, but two parts connected by a waste stream. It consists of an Eastern and Western section, with a smaller concentration of waste in between. This waste stream likely refers to the four major currents that trap water and plastic pollution, creating a circular area of water, or vortex, in the North Pacific Ocean. This area is known as the North Pacific Gyre, where Charles J. Moore first encountered an enormous stretch of floating debris in 1997.
The size of the Great Pacific Garbage Patch has been estimated to be around 1.6 million square kilometres (620,000 square miles), with a concentration of 10-100 kilograms per square kilometre. The patch is believed to be rapidly accumulating, with estimates suggesting it has increased tenfold each decade since 1945. While it is not a solid mass, the patch contains approximately six pounds of plastic for every pound of plankton.
The plastic pollution in the Great Pacific Garbage Patch is dominated by microplastics, which are smaller than 5mm in size and often microscopic. These microplastics are nearly ubiquitous in the marine environment and can come from larger pieces of plastic that have broken down over time, or from primary microplastics such as plastic microbeads added to cosmetics and face scrubs. While the patch is not a solid island, larger items can also be found, including plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, and plastic bags.
The impact of microplastics on marine life is an area of active research. Since 1997, 693 species of marine animals have been documented to have some interaction with human-made debris, with 17% listed as vulnerable to extinction. Birds, such as albatrosses and fulmars, have been found with plastic in their stomachs, and puffins, gulls, seabirds, sea turtles, seals, and whales are among the creatures that swallow or become entangled in plastic pollution.
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Frequently asked questions
The plastic island, also known as the Great Pacific Garbage Patch, is not a solid island but a gyre of marine debris particles in the central North Pacific Ocean. It covers an approximate surface area of 1.6 million square kilometres, which is twice the size of Texas and three times the size of France.
The Great Pacific Garbage Patch is made up of Eastern and Western parts connected by a stream with a smaller concentration of waste. It is dominated by microplastics, but 92% of its mass consists of larger objects. Some of the plastic is over 50 years old, including items such as plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, plastic bags, and nurdles.
The Great Pacific Garbage Patch is not visible to the naked eye and cannot be detected by aircraft or satellite imagery. This is because the patch consists of very small plastic particles suspended at or just below the surface. However, in recent years, progress has been made in detecting plastics from space using advanced satellite data, machine learning, and optical data.
