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I knew we were going towards the ocean; and my great cause of apprehension was the bar. 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. 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] 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. 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? 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. 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. I knew we were going towards the ocean; and my great cause of apprehension was the bar. Fish are common passive mobs found in oceans and rivers. They come in 4 main variants: cod, salmon, puffer fish, and tropical fish. But there’s no other option. The machine will soon be deployed not in the huge pits of an opencast mine on land but in the sunless depths a mile underwater on the ocean floor. What can antique corals reveal about the impact of climate change on the ocean? The fish themselves may be different species each year, brought from a different part of the ocean. The Ocean Cleanup is honored to welcome former NOAA Chief Scientist Dr. Richard (Rick) Spinrad as the newest member of our Scientific Advisory Board (SAB). In his advisory role, Dr. Spinrad will focus on challenging our work and designs based on his extensive experience in oceanography and the maritime technology field. His role will… Join the next generation taking the ocean crisis into their own hands.  Cameron visited the Mariana Trench, the deepest place on Earth at 7 miles (11 km) below the surface of the Pacific Ocean, in a minisubmarine in 2012. He was only the second person to visit that area of the ocean. Cameron visited the Mariana Trench, the deepest place on Earth at 7 miles (11 km) below the surface of the Pacific Ocean, in a minisubmarine in 2012. He was only the second person to visit that area of the ocean. “One Ocean” takes viewers on a journey from the intense heat of the tropics to the planet’s frozen poles. Life has spread to almost every part of the ocean, but there are many different worlds within it, and each presents unique challenges. “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. Thank you for considering a donation to Ocean Media Institute. As a creative media hub, OMI fosters the democratization of ocean science by working collaboratively with organizations, academic institutions, aquaria, and museums across the globe to produce and openly distribute innovative visual stories to address ocean issues. You can be assured that any financial contribution you make will go directly to expanding our shared vision for ocean conservation. 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. Earth may be the blue planet, but beneath the ocean waves lies a vast forest of green.  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. Whether your plans take you to a nearby neighborhood pond or to one of the state’s premiere fishing destinations, there will be a place for you to fish in Oregon every day of the year. The first inkling that the ocean floor might hold a treasure trove of minerals came in the late 19th Century when a Royal Navy ship, HMS Challenger, was sent on a pioneering expedition. Instead of exploring the coasts of new lands, the ship was to investigate the oceans themselves. 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. Five men were floating about in a boat in the Southern ocean. Uncover the secrets of the largest animals in the ocean. 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. All this, Mesulam says, could be “grievously harmed” by digging up the ocean floor, and he’s become a leading figure in a campaign group, the Alliance of Solwara Warriors, which is opposing Nautilus Minerals. 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