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Then join UNESCO’s IOC to design the UN Decade of Ocean Science and have your say about the next 10 years of ocean science development! When you purchase the 4Ocean Signature Blue and Limited Edition Coral Reef Bracelets, we will remove two pounds of trash from the ocean and coastlines and also help to restore and regrow coral reefs through our partnership with the Coral Restoration Foundation*. These bracelets represent your support. Terrestrial planets will acquire water during their accretion, some of which will be buried in the magma ocean but most of it will go into a steam atmosphere, and when the atmosphere cools it will collapse on to the surface forming an ocean. There will also be outgassing of water from the mantle as the magma solidifies—this will happen even for planets with a low percentage of their mass composed of water, so “super-Earth exoplanets may be expected to commonly produce water oceans within tens to hundreds of millions of years of their last major accretionary impact.”[73] Pledge to work together to solve the world’s greatest environmental problems and protect our oceans. © 2013 | 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.” SOpHIE was designed to serve those working in aquaculture, fisheries, and coastal monitoring, by delivering daily metrics of ocean acidification.This app lets users know if a site that matters to them is at risk from ocean acidification. As the world ocean is the principal component of Earth’s hydrosphere, it is integral to life, forms part of the carbon cycle, and influences climate and weather patterns. The world ocean is the habitat of 230,000 known species, but because much of it is unexplored, the number of species that exist in the ocean is much larger, possibly over two million.[10] The origin of Earth’s oceans is unknown; oceans are thought to have formed in the Hadean eon and may have been the impetus for the emergence of life. Although no-one has yet started mining the ocean floor, dozens of research expeditions are under way “at an intense pace”, says Michael Lodge, from the International Seabed Authority. Nautilus Minerals forecasts that in copper alone an emerging undersea industry in oceans around the world could be worth $30bn a year by 2030. And it claims that by mining a small area of seabed, the venture will be friendlier to the environment. It contrasts its work with mines on land where trees and topsoil are swept away across vast areas. © 2013 | This scientific research informs debates on issues including climate change, ocean acidification and plastics in the sea. Sustainable development and conservation of ocean and coastal resources requires the insights of a number of monodisciplinary, multidisciplinary as well as integral studies and approaches. The different disciplines may range from the natural and physical sciences to the social sciences, policy analysis, economics, and law. Although Earth is the only known planet with large stable bodies of liquid water on its surface and the only one in the Solar System, other celestial bodies are thought to have large oceans.[59] Though the cove was more quiet than the ocean, yet it was fearful enough, even there. ocean late 13c., from O.Fr. occean (12c.), from L. oceanus, from Gk. okeanos, the great river or sea surrounding the disk of the Earth (as opposed to the Mediterranean), of unknown origin. Personified as Oceanus, son of Uranus and Gaia and husband of Tethys. In early times, when the only known land masses were Eurasia and Africa, the ocean was an endless river that flowed around them. Until c.1650, commonly ocean sea, translating L. mare oceanum. Application to individual bodies of water began 14c.; there are usually reckoned to be five of them, but this is arbitrary; also occasionally applied …to smaller subdivisions, e.g. German Ocean “North Sea.” A PR campaign conveyed a determined effort to find manganese nodules. These potato-sized rocks lie scattered in the abyss, the great plains of the deep ocean. 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. But it stresses that the ocean is being assailed from many different types of pollution – including run-off pesticides and fertilisers from farms, industrial toxins like PCBs, and pharmaceuticals. 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. Pośród odkrytych planet pozasłonecznych znajdują się ciała krążące w obrębie tzw. ekosfery, czyli w obszarze wokół gwiazdy, w którym takie zbiorniki mogą istnieć. Współczesne modele powstawania planet wskazują na możliwość istnienia planet oceanicznych, pokrytych całkowicie wodami oceanu. Ocean currents greatly affect Earth’s climate by transferring heat from the tropics to the polar regions. Transferring warm or cold air and precipitation to coastal regions, winds may carry them inland. Surface heat and freshwater fluxes create global density gradients that drive the thermohaline circulation part of large-scale ocean circulation. It plays an important role in supplying heat to the polar regions, and thus in sea ice regulation. Changes in the thermohaline circulation are thought to have significant impacts on Earth’s energy budget. In so far as the thermohaline circulation governs the rate at which deep waters reach the surface, it may also significantly influence atmospheric carbon dioxide concentrations. The motions of the ocean surface, known as undulations or waves, are the partial and alternate rising and falling of the ocean surface. The series of mechanical waves that propagate along the interface between water and air is called swell.[citation needed] The total mass of the hydrosphere is about 1.4 quintillion metric tons (7018140000000000000♠1.4×1018 long tons or 7018150000000000000♠1.5×1018 short tons), which is about 0.023% of Earth’s total mass. Less than 3% is freshwater; the rest is saltwater, almost all of which is in the ocean. The area of the World Ocean is about 361.9 million square kilometers (139.7 million square miles),[9] which covers about 70.9% of Earth’s surface, and its volume is approximately 1.335 billion cubic kilometers (320.3 million cubic miles).[9] This can be thought of as a cube of water with an edge length of 1,101 kilometers (684 mi). Its average depth is about 3,688 meters (12,100 ft),[9] and its maximum depth is 10,994 meters (6.831 mi) at the Mariana Trench.[29] Nearly half of the world’s marine waters are over 3,000 meters (9,800 ft) deep.[16] The vast expanses of deep ocean (anything below 200 meters or 660 feet) cover about 66% of Earth’s surface.[30] This does not include seas not connected to the World Ocean, such as the Caspian Sea. Despite their deep, dark habitat, the fish species the scientists found inhabiting this region tended to resemble the colourful fish found on coral reefs rather than true deep-ocean fishes. But the Foresight Future of the Sea Report for the UK government said there are also opportunities to cash in on the “ocean economy”. As scientists from around the world gathered in San Diego this week at the Sixth International Marine Debris Conference, much of the discussion has been about plastic pollution of the ocean. 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