Ethan Clarke
The Great Pacific Garbage Patch (GPGP) is a floating island of plastic located in the central North Pacific Ocean, halfway between Hawaii and California. It is the largest accumulation of plastic in the open ocean, covering an area of about 617,800 square miles (1.6 million square kilometers), or three times the size of France. The GPGP is composed of microplastics and larger items such as fishing gear and shoes, with plastic debris outnumbering marine life by 180 to 1. The island is constantly changing shape and location due to seasonal and interannual variabilities of winds and currents, making it difficult to measure and visualize. While the GPGP is the largest, there are several other plastic islands floating in the Earth's seas, such as the North Atlantic Garbage Patch, located in the Barents Sea near the Arctic Circle.
| Characteristics | Values |
|---|---|
| Name | Great Pacific Garbage Patch (GPGP) |
| Other Names | Pacific Trash Vortex, North Pacific Garbage Patch, Eastern Garbage Patch |
| Location | Between California and Hawaii, North Pacific Ocean |
| Coordinates | 32°N and 145°W, 135°W to 155°W, 35°N to 42°N |
| Size | 617,800 square miles (1.6 million square kilometers) or 700,000 km2 to 10 million square kilometers |
| Weight | 79,000 to 80,000 tons |
| Number of Pieces | 1.8 trillion pieces |
| Plastic to Marine Life Ratio | 180x more plastic than marine life |
| Plastic to Plankton Ratio | 6 pounds of plastic for every pound of plankton |
| Plastic Type | Microplastics, fishing gear, bottles, bottle caps, wrappers, fragments, nets, fish boxes, oyster spacers, eel traps, plastic items associated with food, drinks, and household items |
| Plastic Debris Source | Pacific Rim countries, including Asia, North America, and South America |
| Plastic Debris Source (by Language) | Chinese, Japanese, English, and Korean |
| Plastic Debris Source (by Country) | China (30%), Indonesia, the Philippines, Vietnam, Sri Lanka, and Thailand |
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What You'll Learn
- The Great Pacific Garbage Patch is the largest accumulation of plastic in the ocean
- The GPGP is located between California and Hawaii
- It's made up of microplastics and larger items like fishing gear
- The GPGP is constantly changing shape and location
- Initiatives like Ocean Cleanup are working to clean up plastic islands
The Great Pacific Garbage Patch is the largest accumulation of plastic in the ocean
The Great Pacific Garbage Patch (GPGP) is the largest accumulation of plastic in the ocean. It is located in the central North Pacific Ocean, between California and the Hawaiian archipelago. The GPGP is a gyre of marine debris particles, with a convergence zone of currents between Asia and North America. The flow of water, along with the wind, traps floating debris in the relatively stable center of this zone.
The GPGP is not a solid mass of plastic but rather a widely dispersed area consisting primarily of suspended "fingernail-sized or smaller"—often microscopic—particles called microplastics. These microplastics do not imply turbid water or large floating objects but instead create a "cloudy soup" that is intermixed with larger items such as fishing gear and shoes. The patch's low density (4 particles per cubic meter) prevents detection by satellite imagery or even by casual boaters or divers in the area.
The size of the GPGP is immense but difficult to define precisely due to the constant changes in its location and shape caused by seasonal and interannual variabilities of winds and currents. It is estimated to cover approximately 617,800 square miles (1.6 million square kilometers), or three times the size of France. The patch is believed to be rapidly accumulating, with a tenfold increase each decade since 1945.
The plastic in the GPGP comes from a variety of sources, including land-based sources such as ocean currents carrying waste from countries in Asia, North America, and South America, as well as marine sources such as boats and other vessels. It is estimated that 80% of the plastic in the ocean comes from land-based sources, while the remaining 20% comes from marine sources. The Ocean Cleanup, a Dutch foundation, estimated that as much as 86% of the plastics in the GPGP are from fishing activity, with fishing nets accounting for 46% of the mass.
The impact of the GPGP on marine life is significant. Animals migrating through or inhabiting this area are likely consuming plastic, with sea turtles and Laysan albatross chicks found to have a significant percentage of their diets composed of ocean plastics. These plastics are often laden with Persistent Bio-accumulative Toxic (PBT) chemicals, which can be ingested by animals and enter the food chain, eventually reaching humans.
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The GPGP is located between California and Hawaii
The Great Pacific Garbage Patch (GPGP) is a floating island of plastic located between California and Hawaii. It is the largest accumulation of plastic in the open ocean. The GPGP was discovered by Charles Moore in 1997 while sailing from Hawaii to California after competing in a yachting race.
The GPGP is located in the North Pacific Ocean, halfway between Hawaii and California. It orbits around 32°N and 145°W, with seasonal shifts from west to east and substantial variations in latitude. The plastic island moves following the ocean current of the North Pacific Subtropical Vortex. Its size is immense and constantly changing due to seasonal and interannual variabilities of winds and currents. While its exact size is difficult to determine, it is estimated to occupy between 700,000 km2 and 10 million square kilometers, with a recent study suggesting it covers 1.6 million square kilometers.
The GPGP is not a solid mass but consists of scattered microplastics, or "fingernail-sized or smaller" particles, that give the water a cloudy or soupy appearance. These microplastics account for a small percentage of the total weight of the waste but occupy the largest area. This makes it difficult to detect by satellite imagery or even by casual boaters or divers in the area. However, the impact of the GPGP is significant, as animals in the area are likely consuming plastic, with plastic comprising a large percentage of the diets of some species.
The plastic in the GPGP originates from the Pacific Rim, including countries in Asia, North America, and South America. The North Pacific Gyre's rotational pattern draws in waste material from across the North Pacific, incorporating coastal waters off North America and Japan. China is estimated to be responsible for approximately 30% of the plastic pollution in the GPGP. Efforts are being made by organizations such as Ocean Cleanup, Plastic Bank, and Parley for the Oceans to clean up the GPGP and prevent further plastic accumulation.
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It's made up of microplastics and larger items like fishing gear
The Great Pacific Garbage Patch is the largest accumulation of plastic in the ocean. It is located between California and the Hawaiian archipelago and is more than 60 years old. The patch is constantly changing shape and location due to seasonal and interannual variabilities of winds and currents. On average, it orbits around 32°N and 145°W.
The patch is made up of microplastics and larger items such as fishing gear. Microplastics are tiny pieces of plastic that are not biodegradable and can be harmful to marine life. They are often ingested by animals, leading to the consumption of toxic chemicals attached to the plastic. Fishing gear, such as nets and ropes, accounts for a significant portion of the mass in the patch. It is estimated that 46% of the Great Pacific Garbage Patch is made up of fishing ropes, and they can be extremely dangerous for animals that get entangled in them.
The accumulation of plastic in the patch is a result of decades of marine pollution, with plastic waste trapped in marine vortexes and generated by ocean currents. The plastic in the patch comes from various sources, including runoff from land, littering, improper waste disposal, construction, and vessels. Fishing gear that is illegally dumped from boats is a significant contributor to the patch. The cheap cost of plastic fishing gear leads to its frequent abandonment or purposeful discarding at sea instead of responsible disposal or recycling.
The impact of the Great Pacific Garbage Patch extends beyond the entanglement of animals. It also affects the migration and survival of marine life in the region. The patch prevents animals from reaching the surface of the water, trapping them within it. Additionally, the ingestion of microplastics and the consumption of toxic chemicals attached to the plastic have detrimental effects on marine organisms.
There are ongoing efforts to address the issue of plastic islands and reduce their impact on the environment. Organizations such as Ocean Cleanup, Plastic Bank, and Parley for the Oceans are working to clean up plastic islands and prevent the formation of new ones. Initiatives like the use of floating barriers, economic incentives for coastal communities, and raising public awareness through art and activism are being employed to combat the problem of plastic pollution and the presence of plastic islands like the Great Pacific Garbage Patch.
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The GPGP is constantly changing shape and location
The Great Pacific Garbage Patch (GPGP) is a massive floating island of plastic located in the Pacific Ocean. It is the largest accumulation of plastic in the open ocean, with plastic debris in the GPGP being 180 times more than marine life. The GPGP is constantly changing shape and location due to several factors.
Firstly, the GPGP's location and shape are influenced by seasonal and interannual variabilities of winds and currents. The patch orbits around 32°N and 145°W on average, but it exhibits seasonal shifts from west to east and substantial variations in latitude. The convergence of ocean currents between Asia and North America also plays a role in shaping the GPGP. The flow of water, along with the wind, traps floating debris in the relatively stable center of this convergence zone.
Secondly, the composition and characteristics of the debris in the GPGP contribute to its dynamic nature. The patch is composed of various types of plastic, including microplastics, which can break down into smaller pieces over time. These microplastics do not form a solid mass, and their distribution can be affected by factors such as wind speed, sea state, and plastic buoyancy. Larger pieces of plastic within the GPGP may also resurface more rapidly than smaller pieces, impacting the overall shape and location of the patch.
Additionally, the GPGP's location and shape are influenced by the North Pacific Subtropical Gyre, a vast system of rotating ocean currents. The gyre's rotational pattern draws in waste material from across the North Pacific, including coastal waters off North America and Japan. The GPGP's formation and expansion are also attributed to decades of marine pollution, with plastic waste accumulating in specific areas due to the convergence of ocean currents.
The constantly changing nature of the GPGP presents challenges in accurately estimating its size and extent. While it is estimated to cover approximately three times the area of France or 1.6 million square kilometers, the precise area and location of the GPGP remain challenging to define due to its dynamic nature and the small size of microplastics that comprise it.
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Initiatives like Ocean Cleanup are working to clean up plastic islands
The Great Pacific Garbage Patch, located between California and the Hawaiian archipelago, is the largest accumulation of plastic in the open ocean. It is more than 60 years old and is the largest plastic island in the world. Its size is immense, though still poorly defined, and it is estimated to occupy between 700,000 km2 and 10 million square kilometers. The patch is constantly changing shape and location due to seasonal and interannual variabilities of winds and currents.
The Ocean Cleanup is a prominent initiative working to address plastic islands like the Great Pacific Garbage Patch. It is a non-profit organization that aims to remove 90% of floating ocean plastic by 2040. The Ocean Cleanup has been researching, extracting, and monitoring plastic pollution in oceans and rivers globally for over ten years, with tens of millions of kilograms removed to date. Their strategy involves intercepting plastic in rivers to prevent it from reaching the ocean and cleaning up accumulated ocean plastic. The Ocean Cleanup's system consists of a large floating net-like barrier that is towed by two ships, directing plastic to a central retention zone for collection.
While The Ocean Cleanup has received attention for its efforts, some marine biologists have expressed concerns about potential negative impacts on the ecosystem and the use of fossil fuel-powered ships. However, The Ocean Cleanup maintains that their system includes measures to protect marine life, and they are experimenting with biofuels to offset emissions.
Other initiatives, such as Plastic Bank and Parley for the Oceans, are also working to address plastic pollution. Plastic Bank provides economic incentives for coastal communities to collect and recycle plastic, while Parley for the Oceans is a collaborative network raising awareness and working on solutions. These initiatives, alongside individual and community actions like reducing plastic use and local cleanups, are crucial in addressing the global crisis of ocean plastic pollution.
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Frequently asked questions
The size of the floating plastic island, also known as the Great Pacific Garbage Patch, is estimated to cover 1.6 million square kilometres (620,000 square miles). This is approximately three times the size of France. The island is located between California and Hawaii.
The Great Pacific Garbage Patch is made up of plastic and floating trash, including unidentifiable fragments, fishing gear, and plastic items associated with food, drinks, and household items. The patch contains at least 79,000 tons of discarded plastic, with some estimates placing the figure at 80,000 tons.
The Great Pacific Garbage Patch was discovered by Charles Moore in 1997 while sailing from Hawai'i to California after competing in a yachting race. Moore and his crew noticed millions of pieces of plastic surrounding their ship.
