Ethan Clarke
The Great Pacific Garbage Patch, also known as the Pacific Trash Vortex or the North Pacific Garbage Patch, is a gyre of marine debris particles in the central North Pacific Ocean. It is located between Hawaii and California and is the largest accumulation of ocean plastic in the world. Despite popular belief, the patch is not an island of trash; instead, it resembles a plastic soup, with areas of higher plastic concentration, or hotspots.
| Characteristics | Values |
|---|---|
| Name | Great Pacific Garbage Patch |
| Location | Between Hawaii and California, in the North Pacific Ocean |
| Size | Approximately 1.6 million square kilometers (617,000 square miles), though some estimates place it at more than twice that size. It's estimated to weigh around 80,000 metric tons. |
| Composition | Primarily microplastics, including microfibers from synthetic clothing, microbeads from cosmetics, and tiny fragments from the breakdown of larger plastic items. Also includes larger items like abandoned fishing gear and plastic bottles. |
| Discovery | First described by oceanographer Captain Charles Moore in 1997, though it has likely been growing for decades. |
| Formation | The patch forms as a result of converging ocean currents known as gyres, which pull in floating debris and concentrate it into a relatively stable area. |
| Environmental Impact | The plastic in the patch can entangle and injure marine life, be ingested by animals, and leach toxic chemicals. It also contributes to the larger issue of plastic pollution in the ocean, which has widespread ecological consequences. |
| Solutions | Reducing plastic use, improving waste management practices, and supporting innovative cleanup technologies are all part of the solution. Education and policy changes are also key factors. |
| Current Efforts | Organizations like The Ocean Cleanup are actively working on removing plastic from the patch, while others focus on advocacy, research, and policy changes to address the root causes. |
| Public Awareness | The patch has received significant media attention, raising public awareness about plastic pollution. It has become a symbol of the global plastic crisis and the need for sustainable alternatives. |
| Ongoing Research | Scientists continue to study the patch to better understand its extent, impacts, and potential solutions, as well as to track changes over time. |
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What You'll Learn
The Great Pacific Garbage Patch is not an island
The Great Pacific Garbage Patch (GPGP) is a collection of marine debris in the North Pacific Ocean. It is located between Hawaii and California and is the largest accumulation of plastic in the open ocean.
Despite its name, the GPGP is not an island. It is a gyre of marine debris particles, formed by the North Pacific Subtropical Gyre, a large system of swirling ocean currents. The circular motion of the gyre draws debris into its stable center, where it becomes trapped. This debris is not a solid mass but is scattered, with concentration levels gradually decreasing towards the outside boundaries of the GPGP.
The GPGP is made up of microplastics, tiny bits of plastic that are often microscopic and cannot be seen by the naked eye. These microplastics make up 94% of the patch, giving the water a cloudy soup appearance. This is intermixed with larger items, such as fishing gear, which make up the remaining 6% of the patch.
The size of the GPGP is immense, covering 1.6 million square kilometers, or 0.62 million square miles. It is three times the size of France and continues to grow rapidly, increasing "10-fold each decade" since 1945. The patch contains 80,000 metric tons of plastic, with 1.8 trillion plastic pieces.
The impact of the GPGP on marine life is devastating. Floating at the surface of the GPGP is 180 times more plastic than marine life, and animals migrating through or inhabiting this area are likely consuming plastic. For example, Laysan albatross chicks from Kure Atoll and Oahu Island have around 45% of their wet mass composed of plastics from the GPGP. The plastic in the patch also often contains Persistent Bio-accumulative Toxic (PBT) chemicals, which are then ingested by animals.
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It's a plastic soup with plastic concentration hotspots
The Great Pacific Garbage Patch (GPGP) is a gyre of marine debris particles located in the central North Pacific Ocean, between Hawaii and California. It is not a solid mass of trash, but rather a "plastic soup" with areas of higher plastic concentration, or "hotspots".
The GPGP is the largest accumulation of ocean plastic in the world and is believed to be rapidly accumulating, increasing "10-fold each decade" since 1945. It covers approximately 1.6 million square kilometres, with an estimated 80,000 metric tons of plastic. The patch is bounded by the North Pacific Subtropical Gyre, a large system of swirling ocean currents formed by four currents: the California Current, the North Equatorial Current, the Kuroshio Current, and the North Pacific Current. The circular motion of the gyre draws debris into its stable center, trapping it.
The GPGP is made up of microplastics, tiny pieces of plastic that are often microscopic and cannot be seen by the naked eye. These microplastics make up 94% of the patch and come from larger pieces of plastic that have eroded over time. They are scattered over the surface of the ocean and are difficult to detect, even by satellite imagery. However, they are still harmful to marine life, as animals can ingest the microplastics and the chemicals attached to them.
The concentration of plastic in the GPGP varies, with higher concentrations in the center. The mass concentration model shows how the concentration levels gradually decrease towards the outer boundaries of the patch. The center concentration levels can reach hundreds of kg/km², while the outermost region may have as little as 10 kg/km².
The Ocean Cleanup organization has been working to clean up the GPGP and has developed technology to target plastic hotspots, making the cleanup process more efficient and cost-effective. They have set milestones for the amount of plastic removed and have transitioned to more advanced systems to increase their impact.
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It's located between Hawaii and California
The Great Pacific Garbage Patch, also known as the Pacific trash vortex or the North Pacific Garbage Patch, is located in the central North Pacific Ocean between Hawaii and California. It is the largest accumulation of ocean plastic in the world. The patch covers 1.6 million square kilometres (0.62 million square miles) with a concentration of 10–100 kilograms per square kilometre.
The Great Pacific Garbage Patch was discovered in 1997 by Charles Moore, who continues to raise awareness through his environmental organization, the Algalita Marine Research Foundation. The patch is rapidly accumulating, with research indicating that it has increased "10-fold each decade" since 1945. It is believed to contain approximately six pounds of plastic for every pound of plankton.
The Great Pacific Garbage Patch is not a solid mass of plastic but rather a "plastic soup," with areas of higher plastic concentration known as "hotspots." It is made up of tiny bits of plastic, called microplastics, which are often microscopic and cannot be seen by the naked eye. These microplastics make up 94% of the patch, giving the water a cloudy appearance. Larger items, such as fishing gear, shoes, and abandoned fishing nets, are also intermixed with the microplastics.
The North Pacific Subtropical Gyre, a large system of swirling ocean currents, bounds the entire Great Pacific Garbage Patch. The gyre is formed by four currents: the California Current, the North Equatorial Current, the Kuroshio Current, and the North Pacific Current. The circular motion of the gyre draws debris into its stable center, where it becomes trapped.
The Great Pacific Garbage Patch poses a significant threat to marine life. Animals migrating through or inhabiting this area are likely to consume plastic, leading to the ingestion of toxic chemicals attached to the plastic. For example, studies have shown that sea turtles and Laysan albatross chicks from Kure Atoll and Oahu Island have a significant percentage of their diets or wet mass composed of plastics from the patch.
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It's the largest accumulation of ocean plastic in the world
The Great Pacific Garbage Patch (GPGP) is the largest accumulation of ocean plastic in the world. It is located in the North Pacific Ocean, between Hawaii and California. The GPGP was discovered by Charles Moore in 1997, who was returning home through the North Pacific Gyre after competing in the Transpacific Yacht Race.
The GPGP is not a solid mass of plastic, but rather a collection of microplastics, or "fingernail-sized or smaller" particles, mixed with larger items such as fishing gear. These microplastics cannot be seen by the naked eye and do not form an island of trash. Instead, the patch resembles a "plastic soup", with areas of higher plastic concentration, or "hotspots". The plastic in the GPGP is distributed within the top few meters of the ocean, with the buoyant plastic mass influenced by factors such as wind speed, sea state, and plastic buoyancy.
The GPGP is rapidly accumulating, with research indicating that it has increased "10-fold each decade" since 1945. It is estimated to cover 1.6 million square kilometers (0.62 million square miles) and contain 80,000 metric tons of plastic. The patch has a concentration of 10-100 kilograms of plastic per square kilometer, with 92% of the mass found in objects larger than 0.5 centimeters. The GPGP contains six pounds of plastic for every pound of plankton and has been found to contain 1.8 trillion plastic pieces.
The plastic in the GPGP comes from a variety of sources, including land-based waste, abandoned fishing gear, and waste from ships. The scientific evidence points to Asia as the main contributor of rubbish to the patch, with industrial fishing also being a significant factor. The rotating currents of the North Pacific Subtropical Gyre draw debris into its stable center, where it becomes trapped and clumped together, forming larger pieces that float across the ocean.
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It's also known as the 'eighth continent'
The Great Pacific Garbage Patch, located between Hawaii and California, is also known as the eighth continent. It is the largest accumulation of ocean plastic in the world, covering 1.6 million square kilometres, or 620,000 square miles. This is more than three times the size of France.
The patch is made up of microplastics, tiny pieces of plastic that are often microscopic and cannot be seen by the naked eye. These microplastics make up 94% of the patch and come from larger pieces of plastic that have eroded over time. They are scattered over the surface of the water, mixed with larger items such as fishing gear, creating a "plastic soup". The patch is not a solid mass, and its low density prevents detection by satellite imagery.
The Great Pacific Garbage Patch has been the subject of numerous expeditions and clean-up efforts. Charles Moore, an American boat captain and oceanographer, is credited with discovering the patch in 1997. He and his team have used aerial drones to assess the extent of the trash and found that there is 100 times more plastic by weight than previously measured. The Ocean Cleanup Foundation has also conducted extensive analyses of the area and has removed significant amounts of plastic from the patch.
The plastic in the Great Pacific Garbage Patch comes from various sources, including land-based waste, abandoned fishing gear, and waste from ships. Scientific evidence points to Asia as the main contributor of rubbish, with two-thirds of the items collected containing text written in Japanese or Chinese. The patch is rapidly accumulating, with research indicating a tenfold increase each decade since 1945.
The impact of the Great Pacific Garbage Patch on marine life is significant. Animals migrating through or inhabiting the area are likely to consume plastic, with sea turtles and albatross chicks found to have a large percentage of their diets composed of ocean plastics. The plastic often contains Persistent Bio-accumulative Toxic (PBT) chemicals, which can be harmful to the animals that ingest them. Fishing nets, which account for 46% of the mass in the patch, also pose a danger to marine life, entangling and trapping animals.
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Frequently asked questions
The island of plastic is called the Great Pacific Garbage Patch (GPGP).
The Great Pacific Garbage Patch is located in the North Pacific Ocean, between Hawaii and California.
The Great Pacific Garbage Patch covers 1.6 million square kilometres (0.62 million square miles) with a concentration of 10-100 kilograms per square kilometre. It is believed to be three times the size of France.
The Great Pacific Garbage Patch is made up of microplastics, which are tiny pieces of plastic that are often microscopic and cannot be seen by the naked eye. These microplastics make up 92%-94% of the patch and are intermixed with larger items such as fishing gear, shoes, and abandoned fishing nets.
