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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. If a zone undergoes dramatic changes in temperature with depth, it contains a thermocline. The tropical thermocline is typically deeper than the thermocline at higher latitudes. Polar waters, which receive relatively little solar energy, are not stratified by temperature and generally lack a thermocline because surface water at polar latitudes are nearly as cold as water at greater depths. Below the thermocline, water is very cold, ranging from −1 °C to 3 °C. Because this deep and cold layer contains the bulk of ocean water, the average temperature of the world ocean is 3.9 °C.[citation needed] If a zone undergoes dramatic changes in salinity with depth, it contains a halocline. If a zone undergoes a strong, vertical chemistry gradient with depth, it contains a chemocline. The most important legacies of the UN Decade of Ocean Science will be a new generation of ocean scientists and technicians, with the establishment of new research networks, and a new generation of enhanced observational systems, facilities and infrastructure that will help countries achieve the 2030 Agenda for Sustainable Development. The Decade will also raise unprecedented levels of interest and participation from youth, the general public, and decision-makers around the globe. The Nintendo controller speaks to the fish by sending vibrations through the ocean at frequencies higher than humans can hear. These pulses are essentially commands translated into binary code (or perhaps Morse code), which the robo-fish can read despite the background vibrations of the ocean. The researchers tested their creation out in the Pacific Ocean, at depths from zero to 18 meters (59 feet), according to the study published today in Science Robotics. The Foresight reports are written by experts to brief ministers on medium and long-term issues of significance. This one has been signed off by ministers from four different departments as the authors emphasise the need for a joined-up oceans policy. 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.” 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. In particular, synthetic microfibers that clothing sheds in washing machines passing through wastewater treatment plants and into the sea. Just how deep does the ocean go? Way further than you think. This animation puts the actual distance into perspective, showing a vast distance between the waves we see and the mysterious point we call Challenger Deep. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://twitter.com/techinsider INSTAGRAM: https://www.instagram.com/businessins… TUMBLR: http://businessinsider.tumblr.com/ Ocean scientists, resource managers, and conservationists need to understand negative impacts harming marine and coastal environments so they can better respond. With Esri, you can develop successful ocean policy and sustainable ocean practices. More than simple maps, Esri software helps you analyze data, conduct research, manage fisheries, facilitate planning processes, and more. Each bracelet purchased removes one pound of trash from the ocean. Today, Canada derives relatively less economic benefit from the ocean than other nations. There is tremendous potential to better leverage science and technology in Canada’s ocean sectors and to build a digitally-powered, knowledge-based ocean economy. A team at Massachusetts Institute of Technology has unveiled their own solution—an ultrasound-controlled, soft robotic fish. It’s not the only fish robot out there, but it could be the first that can swim in three dimensions, untethered, in the open ocean. Such a robot has the potential to transform the way biologists study the ocean. Extraterrestrial oceans may be composed of water or other elements and compounds. The only confirmed large stable bodies of extraterrestrial surface liquids are the lakes of Titan, although there is evidence for the existence of oceans elsewhere in the Solar System. Early in their geologic histories, Mars and Venus are theorized to have had large water oceans. The Mars ocean hypothesis suggests that nearly a third of the surface of Mars was once covered by water, and a runaway greenhouse effect may have boiled away the global ocean of Venus. Compounds such as salts and ammonia dissolved in water lower its freezing point so that water might exist in large quantities in extraterrestrial environments as brine or convecting ice. Unconfirmed oceans are speculated beneath the surface of many dwarf planets and natural satellites; notably, the ocean of Europa is estimated to have over twice the water volume of Earth. The Solar System’s giant planets are also thought to have liquid atmospheric layers of yet to be confirmed compositions. Oceans may also exist on exoplanets and exomoons, including surface oceans of liquid water within a circumstellar habitable zone. Ocean planets are a hypothetical type of planet with a surface completely covered with liquid.[11][12] The Antarctic Circumpolar Current encircles that continent, influencing the area’s climate and connecting currents in several oceans. 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. hello@oceanobservations.com 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. The UN Decade of Ocean Science seeks to transform and bolster the way in which the scientific community, governments, civil society, and the UN System coordinate their actions toward “conserving and sustainably using the oceans, seas and marine resources for sustainable development” – as stated in Objective 14 of the Sustainable Development Goals. The Sustainable Ocean Alliance (SOA) is a global organization that advances the impact of start-ups, social enterprises and youth-centered initiatives that are developing solutions to protect and sustain our ocean. SOA’s pipeline of ocean leaders, ages 16-35, is cultivated through a chapter-based model, led by students at the high school and college levels, as well as by young professionals. Large bodies of liquid hydrocarbons are thought to be present on the surface of Titan, although they are not large enough to be considered oceans and are sometimes referred to as lakes or seas. The Cassini–Huygens space mission initially discovered only what appeared to be dry lakebeds and empty river channels, suggesting that Titan had lost what surface liquids it might have had. Cassini’s more recent fly-by of Titan offers radar images that strongly suggest hydrocarbon lakes exist near the colder polar regions. Titan is thought to have a subsurface liquid-water ocean under the ice and hydrocarbon mix that forms its outer crust. Puffer fish and tropical fish spawn in lukewarm and warm oceans. 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. Oregon’s year-round fishing spans the state from native redband trout in eastern deserts to rockfish and halibut in ocean waters – with lots of salmon, steelhead, trout and warmwater fishing in between. 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