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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. 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. Perhaps some day you will cross the ocean to visit this “dead city.” But today, Pardo’s vision is becoming reality as the UN’s International Seabed Authority has drawn up maps dividing the ocean into blocks.  @oceanprime_cmr The deep ocean houses an ecosystem that has learned to thrive without sunlight or warmth. Welcome to the abyss. Ocean & Coastal Management is an international journal published 12 times per year dedicated to the study of all aspects of ocean and coastal management at international, national, regional, and local levels. The Mars ocean hypothesis suggests that nearly a third of the surface of Mars was once covered by water, though the water on Mars is no longer oceanic (much of it residing in the ice caps). The possibility continues to be studied along with reasons for their apparent disappearance. Astronomers think that Venus had liquid water and perhaps oceans in its very early history.[citation needed] If they existed, all later vanished via resurfacing. For the time being, SoFi is remote-controlled. But the idea is that future versions would use machine vision to lock onto individual fish and follow them around, all without raising suspicion. That could help scientists study schooling dynamics, or monitor the health of fish populations in increasingly unhealthy oceans. “It could help us with the problems of fish avoidance and fish attraction that are associated with other forms of monitoring with robots and divers,” says Northeastern’s Hanumant Singh, who develops autonomous underwater vehicles but was not involved in the research. A result of studies is to obtain advanced wide technical knowledge and skills necessary to creative designing, building, repairs and exploitation of ships and ocean engineering objects 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. We on the other hand cross the ocean in sixteen hours in a flying machine. The deep ocean houses an ecosystem that has learned to thrive without sunlight or warmth. Welcome to the abyss. Stay in touch with others in the oceans industry who are interested in GIS and location analytics. Join the conversation on GeoNet. The rariphotic is a sort of “missing link” between medium-light reef zones and the lightless ocean beneath, known as the aphotic zone. What is ocean acidification? W tym zakątku oceanu jest coraz więcej pereł. Sprawy na serio wymykają się spod kontroli. Czy potrafisz dopasować je według koloru w tej zabawnej i trudnej grze logicznej? Tylko w ten sposób możesz się ich pozbyć. Lanternfish are one of many animals that light up the ocean with their glowing bodies. 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. Sustainable development and conservation of ocean and coastal resources requires the insights… W tym zakątku oceanu jest coraz więcej pereł. Sprawy na serio wymykają się spod kontroli. Czy potrafisz dopasować je według koloru w tej zabawnej i trudnej grze logicznej? Tylko w ten sposób możesz się ich pozbyć. Join Ocean Futures Society today–Be part of Jean-Michel’s team as we explore the world and address important issues. With our updates, you can add your voice for the ocean! 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. “It’s estimated that 95 per cent of the liveable space on our planet is in the ocean,” said Dr Carole Baldwin, curator of fishes at the Smithsonian’s National Museum of Natural History and lead author of the study. 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. Equipped with a towering rig and the latest in drilling gear, the vessel was designed to reach down through the deep, dark waters to a source of incredible wealth lying on the ocean floor. There’s an emerging scientific consensus that the tracts of ocean floor in line to be mined – whether hydrothermal vents or fields of nodules – are thriving habitats with intricate ecosystems. And they are still largely unknown. Five men were floating about in a boat in the Southern ocean. The fish themselves may be different species each year, brought from a different part of the ocean. 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. Five men were floating about in a boat in the Southern ocean. What can antique corals reveal about the impact of climate change on the ocean? Ceres appears to be differentiated into a rocky core and icy mantle and may harbour a liquid-water ocean under its surface.[67][68] Time series observations at critical or representative locations are one essential element of a global ocean observing system to complement a range of other approaches. They can provide: a unique view of the full temporal behavior of a system; accurate reference and long-time baseline data; and the maximum possible range of interlinked variables from the seafloor to the atmosphere while enabling shared resources. Plastic is everywhere – even the deepest parts of the ocean are now awash with it. But today the ocean’s reserves are overdrawn, threatening countless communities around the world with climate, economic, and food insecurities. Unsustainable development, fueled by human population growth, has weakened ocean ecosystems. Modern technology is accelerating the rate of change. A zone of rapid salinity increase with depth is called a halocline. The temperature of maximum density of seawater decreases as its salt content increases. Freezing temperature of water decreases with salinity, and boiling temperature of water increases with salinity. Typical seawater freezes at around −1.9 °C at atmospheric pressure. If precipitation exceeds evaporation, as is the case in polar and temperate regions, salinity will be lower. If evaporation exceeds precipitation, as is the case in tropical regions, salinity will be higher. 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