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Zdaniem naukowców wielkość oceanu jest zbliżona do amerykańskiego Lake Superior, czyli drugiego największego jeziora na Ziemi.  Obszar szelfu i stoku kontynentalnego są zbudowane ze skorupy kontynentalnej i przez geologów zaliczane do kontynentów. Obszary basenów oceanicznych, rowów oceanicznych i grzbietów śródoceanicznych mają skorupę typu oceanicznego i tworzą właściwy wszechocean. Formą pośrednią są tzw. mikrokontynenty – obszary położone na dnie oceanu, całkowicie lub prawie całkowicie przykryte wodą, a zbudowane ze skorupy kontynentalnej lub mieszanej. 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? Obecnie poza Ziemią nie są znane żadne ciała niebieskie, na których potwierdzona byłaby obecność powierzchniowych zbiorników ciekłej wody. Prawdopodobnie przed 3-4 miliardami lat istniał ocean na Marsie, jednak utrata pola magnetycznego i rozrzedzenie atmosfery planety przyczyniły się do jego zaniknięcia. Each bracelet purchased removes one pound of trash from the ocean. Based on real ocean exploration technology, enter a research habitat and use real technology such as submersibles, sonar, and remote operated vehicles to explore the wonders of the worlds under the sea. Tie the power and majesty of the oceans to the world around us. Puffer fish and tropical fish spawn in lukewarm and warm oceans. 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. The ocean covers more than two-thirds of our planet, and there’s so much of it left unexplored. How are we humans supposed to blend in to uncover all of its secrets, when our observation tools are hooked to clunky vehicles with fish-scaring propellers and jets? Under a mandate from the UN General Assembly, the Intergovernmental Oceanographic Commission of UNESCO is now working to bring together all ocean stakeholders to develop a common Implementation Plan for the UN Decade of Ocean Science. hello@oceanobservations.com Vast and wondrous, our ocean covers more than 70% of our planet. It controls the weather and climate. It provides life, food and medicine. It is key to a thriving global economy and has inspired art, poetry and tales of adventures for centuries. Yet through neglect and a startling lack of access it has lingered as an afterthought in our conservation and exploration efforts. 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. GCOS Implementation Plan 2016   !NEW! Publications GOOS webinar on OceanSITES’ Unique Role in the Observing System Available here OceanSITES poster at EGU2015 Poster 1 Poster 2 Deep-Ocean T/S Challenge: Contribute a deep-ocean T/S Sensor! More information 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] Scientists have attributed an algal bloom that killed off $800 million worth of salmon in Chile to rising ocean temperatures, and they say other aquaculture operations around the world are at risk.about 1 month ago What can antique corals reveal about the impact of climate change on the ocean? Most studies looking at how corals will respond to future increases in ocean acidity are based on laboratory studies. This week in the journal Nature, researchers reported on a large-scale experiment to simulate these conditions in a natural coral ecosystem. W zależności od klasyfikacji, wyróżnia się jeden, trzy, cztery lub pięć oceanów[2][3][4][5]: 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. Thank the ocean with every breath you take, says Dr Sylvia Earle As Sharp puts it, the revelation that the deep sea mining project was fake was “a sudden shock” to other mining companies and also to diplomats at the UN who were right in the middle of negotiating future rights to ocean minerals. Share prices tumbled amid a wave of recriminations. Covering 72 percent of the Earth and supplying half its oxygen, the ocean is our planet’s life support system—and it’s in danger. Watch this video to learn why a healthier ocean means a healthier planet, and find out how you can help. It is often stated that the thermohaline circulation is the primary reason that the climate of Western Europe is so temperate. An alternate hypothesis claims that this is largely incorrect, and that Europe is warm mostly because it lies downwind of an ocean basin, and because atmospheric waves bring warm air north from the subtropics.[39][40] Earth may be the blue planet, but beneath the ocean waves lies a vast forest of green.  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] We cannot manage what we cannot measure. The following are examples of ocean management applications that will be supported by improved data and knowledge generated under the UN Decade of Ocean Science for Sustainable Development: Według tektoniki płyt skorupa ziemska powstaje w przybliżeniu w takim samym tempie, w jakim jest niszczona w strefach subdukcji, a łączna objętość oceanów nie ulega zmianie (nie licząc rozrostu i topnienia lodowców). Jedne oceany mogą powiększać się tylko kosztem innych; w historii Ziemi istniały zbiorniki oceaniczne, które zamknęły się na skutek ruchu kontynentów (paleooceany), a ich osady wypiętrzyły się tworząc łańcuchy górskie (m.in. Himalaje). Dzisiejsze oceany Atlantycki, Arktyczny i Indyjski są geologicznie młodymi oceanami, które powstały w erze mezozoicznej i rozrastają się obecnie kosztem Pacyfiku. 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. The benthic zones are aphotic and correspond to the three deepest zones of the deep-sea. The bathyal zone covers the continental slope down to about 4,000 meters (13,000 ft). The abyssal zone covers the abyssal plains between 4,000 and 6,000 m. Lastly, the hadal zone corresponds to the hadalpelagic zone, which is found in oceanic trenches. 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