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Facts about Ocean

Ocean

The Antarctic Circumpolar Current encircles that continent, influencing the area's climate and connecting currents in several oceans.

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The first international organization of oceanography was created in 1902 as the International Council for the Exploration of the Sea.

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Astronomers believe that Venus had liquid water and perhaps oceans in its very early history.

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The photic zone covers the oceans from surface level to 200 meters down.

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all the fountains of the great deep broken up, and the windows of heaven were opened, inundating the world with the waters of the celestial ocean.

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Ocean currents greatly affect Earth's climate by transferring warm or cold air and precipitation to coastal regions, where they may be carried inland by winds.

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The original concept of "ocean" goes back to Mesopotamian and Indo-European notions that the world was encircled by a great river.

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Geologically, an ocean is an area of oceanic crust covered by water.

image: geology.com
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Establishing proper use of the ocean will require international cooperation and coordination aligned with the values of co-existence with nature and mutual prosperity for all humankind.

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The concept of a global ocean as a continuous body of water with relatively free interchange among its parts is of fundamental importance to oceanography.

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Continental drift has reconfigured the Earth's oceans, joining and splitting ancient oceans to form the current ones.

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During the 1950s, companies began to research the possibility of mining the ocean floor for mineral resources such as diamonds, gold, silver, manganese nodules, gas hydrates and underwater gravel.

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Much of the bottom of the world's oceans remains unexplored and unmapped.

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One of the most dramatic forms of weather occurs over the oceans: tropical cyclones (also called hurricanes, typhoons, tropical storms, cyclonic storms, and tropical depressions depending upon where the system forms).

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Matthew Fontaine Maury's Physical Geography of the Sea, 1855 was the first textbook of oceanography.

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Smaller regions of the oceans are called seas, gulfs, bays, and so forth.

image: pointcard.me
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The oceans are an important source of valuable foodstuffs through the fishing industry.

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From ocean breezes to monsoons, hurricanes, summer rains, and winter fog, the oceans' heat and water vapor are constantly affecting life on land, even far from the ocean shore.

Ocean

Scientists also think it likely that Titan has a subterranean water ocean under the mix of ice and hydrocarbons that forms its outer crust.

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In Britain, there is a major research institution: National Oceanography Centre, Southampton.

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Until recently, the ocean appeared to be a vast and infinite source of food, invulnerable to exploitation.

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The oceans are also a vital resource for tourism.

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The first successful laying of Transatlantic telegraph cable in August 1858 confirmed the presence of an underwater "telegraphic plateau" mid-ocean ridge.

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An ocean (from ???????, Okeanos (Oceanus) in Greek) is a major body of saline water, and a principal component of the hydrosphere.

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A common misconception is that the oceans are blue primarily because the sky is blue.

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The final zone falls into the oceanic trenches, and is known as the hadalpelagic.

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Oceanography became a quantifiable science in 1872, when the Scots Charles Wyville Thompson and Sir John Murray launched the Challenger expedition (1872–1876).

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Liquid hydrocarbons are thought to be present on the surface of Titan, though it may be more accurate to describe them as "lakes" rather than an "ocean."

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Oceans are divided into numerous regions depending on physical and biological conditions.

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The world was imagined to be enclosed by a celestial ocean above the heavens, and an ocean of the underworld below (compare Ras?, Varuna).

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The pelagic zone can also be split into two subregions, the neritic zone and the oceanic zone.

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Less than 2 percent is freshwater, the rest is saltwater, mostly in the ocean.

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The Panama and Suez canals allow ships to pass directly from one ocean into another without having to circumnavigate South America and Africa respectively.

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Oceanic crust is the thin layer of solidified volcanic basalt that covers the Earth's mantle where there are no continents.

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Oceanographic institutes dedicated to the study of oceanography were founded.

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The planets Uranus and Neptune may also possess large oceans of liquid water under their thick atmospheres, though their internal structure is not well understood at this time.

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The bathyal zone covers the continental slope and the sides of the mid-ocean ridge down to about 4,000m.

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During the late eighteenth and at the beginning of nineteenth century, James Rennell wrote the first scientific textbooks about currents in the Atlantic and Indian oceans.

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The pelagic zone, which includes all open ocean regions, is often subdivided into further regions categorized by depth and abundance of light.

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NOAA was in charge of exploring and studying all aspects of Oceanography.

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The neritic encompasses the water mass directly above the continental shelves, while the oceanic zone includes all the completely open water.

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Aquaculture, an expanding industry, achieves increased production of specific species under controlled conditions while also relying heavily on the oceans as a source of feed stock for the farmed fish.

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The oceans are essential to transportation: most of the world's goods are moved by ship between the world's seaports.

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Early exploration of the oceans was limited to its surfaces, associated wind and water currents, and the few creatures that fishermen brought up in nets.

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The World Ocean is one global, interconnected body of salt water comprising the world's five oceans – Atlantic, Pacific, Indian, Arctic, and Southern oceans.

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The vast expanses of deep ocean (depths over 200 m) cover more than half of the Earth's surface.

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In 1871, under the recommendations of the Royal Society of London, the British government sponsored an expedition to explore the world's oceans and conduct scientific investigations.

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The plants and animals living in the world ocean provide human beings with a vast food resource that has tragically been threatened by overexploitation and pollution caused by human activity.

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Other icy moons such as Triton may have once had internal oceans that have now frozen.

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Major oceanic divisions are defined by various criteria, including the shores of continents and various archipelagos.

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Lastly, the hadal zone corresponds to the hadalpelagic zone which is found in the oceanic trenches.

About 97 percent of Earth's water is in the ocean. The ocean covers more than 70 percent of the surface of our planet. It's hard to imagine, but about 97 percent of the Earth's water can be found in our oceans. Of the tiny percentage that's not in the ocean, about two percent is frozen up in glaciers and ice caps.

Cold water has a higher density than warm water. Water gets colder with depth because cold, salty ocean water sinks to the bottom of the ocean basins below the less dense warmer water near the surface. ... However, the ocean is not standing still.

The top eight elements in sea water, by mass, are: oxygen, hydrogen, chlorine, sodium, magnesium, sulfur, calcium, potassium.

Down the Falls. From the Niagara River, the water passes over the falls, before flowing around 23km (14 miles) north into the final of the Great Lakes; Lake Ontario. From here there is yet another river, the St. Lawrence, and then it's final resting place in the form of the Atlantic Ocean.Sep 17, 2014

Mind Your Carbon Footprint and Reduce Energy Consumption. ... 2. Make Safe, Sustainable Seafood Choices. ... Use Fewer Plastic Products. ... Help Take Care of the Beach. ... Don't Purchase Items That Exploit Marine Life. ... Be an Ocean-Friendly Pet Owner. ... Support Organizations Working to Protect the Ocean. ... Influence Change in Your Community.More items...

Explorer Ferdinand Magellan named the Pacific Ocean in the 16th Century. ... He called this body of water pacific, due to the calmness of the water at the time ('pacific' means peaceful). When Magellan and his crew entered the Pacific Ocean after their long journey, they thought that the Spice Islands were close at hand.

Magellan called the ocean Pacífico (or "Pacific" meaning, "peaceful") because, after sailing through the stormy seas off Cape Horn, the expedition found calm waters.

10,994 m

In water, absorption is strong in the red and weak in the blue, thus red light is absorbed quickly in the ocean leaving blue. Almost all sunlight that enters the ocean is absorbed, except very close to the coast. The red, yellow, and green wavelengths of sunlight are absorbed by water molecules in the ocean.

The Atlantic Ocean is still growing now, because of sea-floor spreading from the mid-Atlantic Ridge, while the Pacific Ocean is said to be shrinking because the sea floor is folding under itself.

"Because these crocodiles are poor swimmers, it is unlikely that they swim across vast tracts of ocean. But they can survive for long periods in salt-water without eating or drinking, so by only traveling when surface currents are favorable, they would be able to move long distances by sea.Jun 8, 2010

The Atlantic, Indian, and Pacific Ocean basins merge into icy waters around Antarctica. Some oceanographers define this as a fifth ocean, usually called the Antarctic or Southern Ocean basin. This video focuses on the Arctic Ocean basin and is taken from the interactive online game, My Ocean.Jan 23, 2013

Indian Ocean

The Origin of the Name Atlantic Ocean. Most everyone knows the name Atlantic Ocean. ... The oldest known mention of “Atlantic” is in The Histories of Herodotus around 450 BC. In Greek, Atlantis means “Island of Atlas”, or in some context, “Sea of Atlas”.Apr 23, 2013

The Atlantic Ocean is still growing now, because of sea-floor spreading from the mid-Atlantic Ridge, while the Pacific Ocean is said to be shrinking because the sea floor is folding under itself.

The Atlantic Ocean is the second largest of the world's oceans with a total area of about 106,460,000 square kilometers (41,100,000 square miles). It covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area. It separates the "Old World" from the "New World".

The rate of North Atlantic spreading is about 25 mm/year, due to the formation of new crust at the mid-Atlantic ridge and the (relative) westward motion of the North American Plate; the Eurasian Plate is moving (relatively) eastward and sliding over the Pacific Plate and various minor plates that are sinking in the ...Jun 3, 2016

Atlantic Ocean Facts. The Atlantic Ocean borders on North America, South America, Europe, and Africa. It is the world's second largest ocean, while the Pacific Ocean is the largest. The Atlantic Ocean covers approximately 1/5th of the surface of the earth and covers approximately 29% of the world's water surface area.

It was once much wider when all the continents were joined together in the supercontinent, Pangea. The Pacific ocean basin is getting smaller because the Atlantic Ocean is opening and North America and South America are moving westward. Most of the Pacific Ocean is underlain by the Pacific plate.

The “ring of fire" around the edge of the Pacific Ocean is a direct effect of the plates expanding and creating turbulence in the crust. The Atlantic Ocean seafloor is expanding at a much slower rate and thus isn't experiencing the severe reactions that the Pacific Rim is.Aug 15, 2011

You can clearly see that the North American plate is moving westward and Eurasian and Australian plates are moving eastward, squeezing the Pacific plate between them. On the other hand, All plates that share boundary in the Atlantic Ocean are receding from each other, thus making the Atlantic wider.

Cape Horn. At this spot the Atlantic and Pacific oceans meet, often in a confrontation. No land to the east, none to the west—winds sweep all the way around the world from the west.

Answer: Although it might seem illogical, the Atlantic Ocean is warmer. For any given latitude, the Atlantic Ocean has proved to be about 16 degrees F (9 degrees C) warmer than the Pacific Ocean off the U.S. coast – quite a difference.

Though the peoples of Asia and Oceania have traveled the Pacific Ocean since prehistoric times, the eastern Pacific was first sighted by Europeans in the early 16th century when Spanish explorer Vasco Núñez de Balboa crossed the Isthmus of Panama in 1513 and discovered the great "southern sea" which he named Mar del ...