Omar Khalid
The Great Pacific Garbage Patch, also known as the eighth continent, is a gyre of marine debris particles in the central North Pacific Ocean. It is located between California and Hawaii and is three times the size of France. The patch was discovered by Captain Charles Moore in 1997, and since then, it has been the subject of various research and clean-up efforts. The garbage patch is not a solid mass of plastic but rather a dispersed area of microplastics and larger debris, with microplastics accounting for 94% of the estimated 1.8 trillion pieces of plastic in the patch. The Great Pacific Garbage Patch is the largest of five offshore plastic accumulation zones in the world's oceans, and it is constantly growing due to the influx of plastic pollution from various sources, including land-based and marine contributors.
| 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, in the central North Pacific Ocean |
| Size | 1.6 million km2, three times the size of France, twice the size of Texas |
| Weight | 45,000–129,000 metric tons |
| Plastic Pieces | 1.8 trillion |
| Plastic Types | Microplastics (0.05–0.5 cm), mesoplastics (0.5–5 cm), macroplastics (5–50 cm), megaplastics (>50 cm) |
| Microplastic Percentage | 94% |
| Plastic Concentration | 10–100 kg km^-2 |
| Plastic in Ocean | 1.15–2.41 million metric tons of plastic enter the ocean each year |
| Plastic Density | Less than water density (4 particles per cubic metre) |
| Plastic Sources | Land-based sources (80%), boats and other marine sources (20%) |
| Plastic Age | Some pieces are over 50 years old |
| Plastic Items | Plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, plastic bags, nurdles |
| Cleanup Efforts | The Ocean Cleanup removed over 1 million pounds of trash by the end of 2024 |
| Impact | Thousands of marine animals die each year, 800 species of fish, crustaceans and molluscs contain microplastics |
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What You'll Learn
- The Great Pacific Garbage Patch (GPGP) is the largest of the five offshore plastic accumulation zones
- GPGP is located between California and Hawaii and is three times the size of France
- The GPGP is made up of microplastics, mesoplastics, macroplastics, and megaplastics
- The GPGP is constantly shifting due to swirling ocean currents
- The GPGP is not a solid mass of plastic, and ships can sail through it without detection
The Great Pacific Garbage Patch (GPGP) is the largest of the five offshore plastic accumulation zones
The patch is believed to have increased "10-fold each decade" since 1945 and is rapidly accumulating plastic. It is estimated that 1.15 to 2.41 million tonnes of plastic are entering the ocean each year from rivers. More than half of this plastic is less dense than water, meaning that it will not sink once it encounters the sea. The stronger, more buoyant plastics show resilience in the marine environment, allowing them to be transported over extended distances. They persist at the sea surface as they make their way offshore, transported by converging currents and finally accumulating in the patch.
The GPGP contains a total of 1.8 trillion plastic pieces weighing 79,000 tonnes, comprised of debris categorised into four size classes: microplastics (0.05-0.5 cm), mesoplastics (0.5-5 cm), macroplastics (5-50 cm), and megaplastics (>50 cm). Microplastics dominate the area by count, but 92% of the mass of the patch consists of larger objects. Some of the plastic is over 50 years old, and includes items (and fragments of items) such as plastic lighters, toothbrushes, water bottles, pens, baby bottles, cell phones, plastic bags, and nurdles.
The Great Pacific Garbage Patch is so big that it has been nicknamed the 'eighth continent'. Charles Moore was the first to raise the alarm. The American boat captain and oceanographer was horrified when, on his way back from a famous boat race in 1997, he encountered a sea of plastic so wide it took him seven days to cross it. The damage to the animal kingdom is impossible to quantify, but each year, thousands of marine mammals and aquatic birds die after confusing items in the GPGP for food or getting trapped in abandoned fishing nets.
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GPGP is located between California and Hawaii and is three times the size of France
The Great Pacific Garbage Patch (GPGP) is a gyre of marine debris particles located in the central North Pacific Ocean. It was discovered by Captain Charles Moore in 1997, who was sailing from Hawaii to California and noticed a steady stream of plastics bobbing in the ocean. The GPGP is located halfway between Hawaii and California and is estimated to cover a surface area of 1.6 million square kilometers, or three times the size of France. It is the largest of the five offshore plastic accumulation zones in the world's oceans.
The GPGP is a constantly growing continent of rubbish, with an estimated 1.15 to 2.41 million metric tonnes of plastic entering the ocean each year from rivers. More than half of this plastic is less dense than water, meaning it will not sink once it encounters the sea. The plastic in the GPGP is transported by converging currents and accumulates in the patch, where it is unlikely to leave until it degrades into smaller microplastics under the effects of sun, waves, and marine life.
The GPGP is composed of a wide range of plastic items and fragments, including 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. While microplastics dominate the area by count, with 94% of the estimated 1.8 trillion pieces of plastic in the GPGP falling into this category, larger objects make up 92% of the patch's mass. The concentration of microplastics in the GPGP is expected to increase as more plastics are discarded into the environment.
The GPGP is a significant environmental concern, killing thousands of marine animals each year. It is also difficult to address due to its location in the high seas beyond territorial waters, which means that no single government takes responsibility for it. However, efforts are being made to clean up the patch, with the Ocean Cleanup project removing more than one million pounds of trash from the GPGP by the end of 2024.
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The GPGP is made up of microplastics, mesoplastics, macroplastics, and megaplastics
The Great Pacific Garbage Patch (GPGP) is a massive accumulation of plastic waste in the Pacific Ocean, located between California and Hawaii. It is the largest of the five offshore plastic accumulation zones in the world's oceans, covering an estimated surface area of 1.6 million square kilometres, or about three times the size of France.
The GPGP is composed of a variety of plastic debris, including microplastics, mesoplastics, macroplastics, and megaplastics. These different types of plastics vary in size and have distinct impacts on the environment.
Microplastics are tiny plastic fragments that measure between 0.05 and 0.5 centimetres in diameter. They account for a significant portion of the GPGP, with their small size allowing them to impact a large number of species. Microplastics can be secondary, stemming from larger objects that have broken down over time, or primary, which are small plastic particles used in cosmetics and cleaning products.
Mesoplastics are slightly larger, ranging in size from 0.5 to 5 centimetres. While less prevalent than microplastics, they still contribute to the overall plastic pollution in the GPGP.
Macroplastics are typically defined as plastic objects larger than 5 millimetres. They include items such as abandoned fishing gear, baskets, and cages. Macroplastics can have direct impacts on marine megafauna through ingestion or entanglement. As they degrade, they contribute to the generation of microplastics.
Megaplastics are the largest category, referring to plastic objects greater than 50 centimetres in size. These plastics generally have the highest observed mass concentration within the GPGP.
The GPGP is a stark reminder of the environmental crisis our planet is facing. The presence of these various types of plastics in such high concentrations poses significant risks to marine life and highlights the urgent need to address plastic pollution and its management.
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The GPGP is constantly shifting due to swirling ocean currents
The Great Pacific Garbage Patch (GPGP) is a gyre of marine debris particles in the central North Pacific Ocean, located between California and Hawaii. It is the largest of the five offshore plastic accumulation zones in the world's oceans. The GPGP is constantly shifting due to swirling ocean currents, which act like a trash vortex, sucking in plastics and moving them around. These currents are known as gyres, and they create a widely dispersed area of plastic litter, primarily consisting of "fingernail-sized or smaller"—often microscopic—particles called microplastics.
The GPGP is not a solid mass of plastic but rather a highly mobile and dynamic patch of different-sized plastics that can be challenging to visualise and capture in images. Satellites, drones, and Google Earth have struggled to capture an overview of the patch because of its constantly changing nature. Ships can sail through the GPGP without realising they are passing through a garbage patch, as the plastic is not densely packed together.
The microplastics in the GPGP are a significant concern, as they account for 94% of the estimated 1.8 trillion pieces of plastic in the patch. These tiny plastic particles can be transported by ocean currents over extended distances, eventually accumulating in the GPGP. Once they enter the gyre, they are trapped and will continue to degrade into smaller pieces under the effects of sun, waves, and marine life.
The GPGP is believed to have increased "10-fold each decade" since 1945, with an estimated 1.15 to 2.41 million metric tonnes of plastic entering the ocean each year. The patch is a result of plastic pollution from various sources, including land-based sources, boats, and other marine sources such as fishing and agriculture. The specific sources and percentages vary by region, with studies indicating that countries like Japan, China, South Korea, the US, and Taiwan are major contributors to plastic pollution in the GPGP.
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The GPGP is not a solid mass of plastic, and ships can sail through it without detection
The Great Pacific Garbage Patch (GPGP) is a gyre of marine debris particles in the central North Pacific Ocean. It is located between California and Hawaii and is the largest of the five offshore plastic accumulation zones in the world's oceans. The GPGP is not a solid mass of plastic, and ships can sail through it without detection.
The GPGP is often depicted in the media as a floating mass of plastic or a trash island. However, it is not a solid mass, and it cannot be seen from space or by satellite. The patch is made up of different-sized plastics, including microplastics, which account for 94% of the estimated 1.8 trillion pieces of plastic in the GPGP. These microplastics are "fingernail-sized or smaller," often microscopic, and are suspended in the upper water column. The low density of the patch (4 particles per cubic meter) prevents detection by satellite imagery or even by casual boaters or divers in the area.
Captain Charles Moore, who discovered the GPGP in 1997, described the ocean as looking like a murky soup, with no solid surface on which to stand. Ships can sail in and out of the patch, and mariners may not even realize they are passing through a garbage patch. This has contributed to common misconceptions about the GPGP, dampening the urgency to address the issue.
The GPGP is constantly shifting due to swirling ocean currents, which act like a trash vortex, sucking in plastics. These converging currents transport buoyant plastics over extended distances, allowing them to persist at the sea surface as they make their way offshore. Once these plastics enter the gyre, they are unlikely to leave until they degrade into smaller microplastics under the effects of sun, waves, and marine life.
The GPGP is a significant environmental concern, killing thousands of marine animals each year and impacting marine ecosystems. It is important to raise awareness and address the behavior that contributes to plastic pollution in our oceans.
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Frequently asked questions
Yes, the Great Pacific Garbage Patch (GPGP) is real. It is located between California and Hawaii and is the largest of the five offshore plastic accumulation zones in the world’s oceans.
The GPGP covers an estimated surface area of 1.6 million square kilometers, an area more than three times the size of France, or twice the size of Texas.
The GPGP is made up of an estimated 1.8 trillion pieces of plastic, including microplastics, mesoplastics, macroplastics, and megaplastics. Some of the plastic is over 50 years old and includes items such as plastic lighters, toothbrushes, water bottles, and plastic bags.
Various organizations are working to address the issue, including The Ocean Cleanup, which had removed more than one million pounds of trash from the GPGP by the end of 2024. Other initiatives include the JUNK Raft Project, a 2008 trans-Pacific sailing voyage to highlight the plastic in the patch, and the 300-Mile Swim, a project to collect data on plastic pollution in the GPGP.
