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One of the authors, Prof Edward Hill from the UK National Oceanography Centre told BBC News: “The ocean is critical to our economic future. Nine billion people will be looking to the ocean for more food. Yet we know so little of what’s down there. In an air-conditioned cabin in a teeming port in Papua New Guinea, Leslie Kewa reaches for a joystick that will control a machine the size of a house. Nearly half a century after the CIA men pretended to mine the ocean floor, he’s about to do it for real. Charles Moore, who first sailed the so-called Great Pacific Garbage Patch in 1997, has returned five times over 15 years to document the concentrations of plastic in the ocean. His results show microplastics are accumulating at a rapid rate.about 1 month ago Pledge to work together to solve the world’s greatest environmental problems and protect our oceans. Tins of tuna state that they are “dolphin-friendly” so should products using cobalt say if the metal was mined on land or in the ocean? What would the best choice be anyway? Should the vents so special to Attenborough be spared and only nodule mining allowed? But even more alarming was the suspicion of the Russians. To convince them that Howard Hughes was genuinely interested in nodules, executives were despatched to conferences on ocean mining where they described in detail their plans to harvest the rocks. While changing ocean and sea ice conditions are hurting some of Antarctica’s Adelie penguins, a newly discovered “supercolony” of 1.5 million offers new information to guide marine conservation.17 days ago Thank the ocean with every breath you take, says Dr Sylvia Earle The pelagic zone can be further subdivided into two subregions: the neritic zone and the oceanic zone. The neritic zone encompasses the water mass directly above the continental shelves whereas the oceanic zone includes all the completely open water. Salmon spawn in cold and frozen oceans, and unlike the other 3 variants, can also spawn in rivers. Salmon spawn in cold and frozen oceans, and unlike the other 3 variants, can also spawn in rivers. The deepest point in the ocean is the Mariana Trench, located in the Pacific Ocean near the Northern Mariana Islands. Its maximum depth has been estimated to be 10,971 meters (35,994 ft) (plus or minus 11 meters; see the Mariana Trench article for discussion of the various estimates of the maximum depth.) The British naval vessel Challenger II surveyed the trench in 1951 and named the deepest part of the trench the “Challenger Deep”. In 1960, the Trieste successfully reached the bottom of the trench, manned by a crew of two men. “We have largely thought of fish as very alien and very simple, so we didn’t really care how we killed them,” Braithwaite says. “If we look at trawl netting, that’s a pretty gruesome way for fish to die: the barometric trauma of getting ripped from the ocean into open air, and then slowly suffocating. Can we do that more humanely? Yes. Should we? Probably, yes. We’re mostly not doing it at the moment because it’s more expensive to kill fish humanely, especially in the wild.” This acceleration of the current takes place in the direction of waves and dominant wind. Accordingly, when the sea depth increases, the rotation of the earth changes the direction of currents, in proportion with the increase of depth while friction lowers their speed. At a certain sea depth, the current changes direction and is seen inverted in the opposite direction with speed current becoming nul: known as the Ekman spiral. The influence of these currents is mainly experienced at the mixed layer of the ocean surface, often from 400 to 800 meters of maximum depth. These currents can considerably alter, change and are dependent on the various yearly seasons. If the mixed layer is less thick (10 to 20 meters), the quasi permanent current at the surface adopts an extreme oblique direction in relation to the direction of the wind, becoming virtually homogeneous, until the Thermocline.[38] What: A competition to develop mobile apps using ocean data sets. A total of $100,000 in prizes will be awarded for apps in the following categories: Fishing, Shipping and Trade, Ocean Acidification, Public Safety, and Exploration. Sustainable development and conservation of ocean and coastal resources requires the insights… The geologist Bram Murton has warned of “an ill-informed knee-jerk reaction” to ocean mining which, he says, offers the potential to support a low-carbon future. Scientists designed SoFi to solve several problems that bedevil oceanic robotics. Problem one: communication. Underwater vehicles are typically tethered to a boat because radio waves don’t do well in water. What SoFi’s inventors have opted for instead is sound. The goal of the Big Ocean Button Challenge is to advance development of and investment in ocean data products and services. Many sectors can benefit from solutions for organizing and standardizing ocean data. Some applications that are in need of ocean services include: Did you know that coral reefs support more species than any other marine environment and rival rainforests in their biodiversity? 2018 is the third International Year of the Reef—a platform to highlight the importance of coral reefs. Covering less than one percent of the planet, reefs are the home to 25 percent of marine species and supply food to millions of people. They are also vital to our ocean economy, providing billions of dollars in services, such coastal protection, jobs, tourism and more. In fact, getting to the deepest reaches of the ocean is so expensive that some people – like Oscar-winning director James Cameron – take it upon themselves to explore underwater spaces rarely visited by humans. One reason fish are so diverse is that 70 percent of the planet is covered in water. The animals in this group live in a variety of habitats ranging from coral reefs and kelp forests to rivers, streams, and the open ocean. Another is that fish are very old on the evolutionary scale. According to fossil records, they have been on Earth for more than 500 million years! The total number of living fish species—about 32,000— is greater than the total of all other vertebrate species (amphibians, reptiles, birds, and mammals) combined. Researchers have found seven new animal species living along the Southwest Indian Ridge, 3,000 metres beneath the surface of the ocean, in an area targeted for deep-sea mining. In the center of the Pacific Ocean gyre our researchers found more plastic than plankton. A Plastic Ocean documents the newest science, proving how plastics, once they enter the oceans, break up into small particulates that enter the food chain where they attract toxins like a magnet. These toxins are stored in seafood’s fatty tissues, and eventually consumed by us. The depths below the ocean’s surface comprise a staggering 95 percent of the Earth’s living space, and much of it is unexplored by humans.  Tins of tuna state that they are “dolphin-friendly” so should products using cobalt say if the metal was mined on land or in the ocean? What would the best choice be anyway? Should the vents so special to Attenborough be spared and only nodule mining allowed? Protect the ocean and you protect yourself Adrian Glover, a marine biologist at the NHM, has an analogy. Imagine trying to survey a rainforest while hovering in a hot air balloon. Making the task harder is a thick fog. And all you can do is lower a bucket at a few random points to drag up the odd branch and lump of soil. “Think of all the things you’d miss,” he says. “That’s what it’s like investigating the deep ocean.” Zdaniem naukowców wielkość oceanu jest zbliżona do amerykańskiego Lake Superior, czyli drugiego największego jeziora na Ziemi.  A new ocean cleanup prototype is being deployed on the North Sea today. It is one of the last steps as we prepare to launch the first cleanup system in the Great Pacific Garbage Patch this summer. 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