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By 2050 there will be more plastic than fish in our oceans. To reverse this trend, we need to take action! Take the pledge and commit to reducing your usage of plastics. Viking introduces the definitive way to explore the world in comfort. We call them Ocean & River Voyages, an innovative marriage of our award-winning river and ocean cruises. Designed for those who want to get the most from our rivers and oceans itineraries, these enriching journeys highlight the historic treasures, colorful cultures and seldom-seen sights of both inland and coastal destinations, so you’ll enjoy the full Viking experience on one seamless itinerary. These are epic voyages that only Viking can provide. What is it like to stand on the ocean floor? What do you learn from a lifetime spent in the heart of the sea?  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. Our oceans are changing fast. Find out how Museum collections are helping scientists to understand the future of marine life. The XPRIZE Ocean Initiative is dedicated to ensuring our ocean is healthy, valued and understood. 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.” The ocean offers a range of dining options.  See award-winning shots capturing life in the ocean. Our living planet is only as healthy as its oceans. These vast bodies of water cover more than two-thirds of Earth’s surface and are home to some of our most spectacular and treasured life. Oceans regulate our climate, produce half the oxygen we breathe, fuel the water cycle that produces rain and freshwater, sustain the livelihoods of millions, and provide nourishment for nearly 3 billion people. As the world’s population grows, so does the need for food, new energy resources, new blue technologies & jobs while keeping our oceans clean. How can Blue Technology contribute? What is Norway’s role as a Sea Nation? What are the latest advances in: Aquaculture; Deep Sea Mining; Surveillance of Oceans; Autonomous Ships…?  Join us in May, LET’S TALK! 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. The Big Ocean Button Challenge is a $100,000 app development competition to turn ocean data, into the products and services we need. An ocean (from Ancient Greek Ὠκεανός, transc. Okeanós, the sea of classical antiquity[1]) is a body of saline water that composes much of a planet’s hydrosphere.[2] On Earth, an ocean is one of the major conventional divisions of the World Ocean. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans.[3][4] The word sea is often used interchangeably with “ocean” in American English but, strictly speaking, a sea is a body of saline water (generally a division of the world ocean) partly or fully enclosed by land.[5] The value of the world’s oceans is set to double by 2030 but we know less about the bottom of the sea than we do about Mars. NRDC works to protect our seas from pollution and exploitation. We help implement laws that allow overfished species to rebound, and we fight to protect coastal communities from offshore drilling. We work to ban destructive fishing practices, conserve ocean treasures, and improve stewardship of the world’s shared oceans, which generate trillions of dollars in economic activity. What affects the oceans affects terra firma. Ocean Solutions, Earth Solutions gathers the insights of more than 70 ocean and coastal science researchers exploring ocean components and their relationships, patterns, and trends over time and space. Read more 4Ocean is a global movement actively removing trash from the ocean and coastlines while inspiring individuals to work together for cleaner oceans, one pound at a time. Together we’re building an online community for people to share ideas, collaborate, and invent technology that could help keep our oceans healthy. Scientists are investigating the role microbiomes play in coral health, trying to identity those microbial traits that make coral reefs resilient as ocean temperatures rise and bleaching events accelerate.9 days ago Pledge to work together to solve the world’s greatest environmental problems and protect our oceans. 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 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! 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. In addition, many land animals have adapted to living a major part of their life on the oceans. For instance, seabirds are a diverse group of birds that have adapted to a life mainly on the oceans. They feed on marine animals and spend most of their lifetime on water, many only going on land for breeding. Other birds that have adapted to oceans as their living space are penguins, seagulls and pelicans. Seven species of turtles, the sea turtles, also spend most of their time in the oceans. 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. The federal government and private sector’s co-investment in the Ocean Supercluster positions Canada to become a global leader in the knowledge-based ocean economy. The amount of noise in the ocean has doubled each decade since the 1950s. Lanternfish are one of many animals that light up the ocean with their glowing bodies. New studies show complex effects of carbon dioxide on fish population. Many studies have shown that larvae of various fish species can be negatively affected by ocean acidification. Acidification is caused by large amounts of carbon dioxide (CO2) entering the seawater from the atmosphere. 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