The largest region of the Global Ocean, the Pacific Ocean has the Arctic Ocean to the north, the Southern Ocean to the south, Australia, and Asia to the west and the Americas to the east. It wasn't until 2000 that a fifth ocean was officially named: the Southern Ocean, which includes the waters around Antarctica. The average depth of the Atlantic Ocean is 3,646 m and the Milwaukee Deep (8,380 m) in the Puerto Rico Trench, is its deepest known point. Plant life in the Arctic Ocean is scarce except for abundant volumes of phytoplanktons. The depth in this region is 8,047 m. The Indian Ocean region experiences a monsoon type of climate. How Many Oceans Are There in the World? While there is only one global ocean, the vast body of water that covers 71 percent of the Earth is geographically divided into distinct named regions. According toÂ NOAA, there is only one Global Ocean. The ocean covers about 71% of the surface of the Earth. Choppy seas, storms, and iceberg interventions are common. This transformation would load the Arctic with large volumes of meltwater and affect the ocean currents prevailing in the region. These are Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, and the Arctic Ocean. The Pacific is the largest and oldest of the oceans. Â© 2020 Science Trends LLC. As we continue to explore and understand the ocean, hopefully, we will be able to protect it from the effects of humans. The 'World Ocean' is centered on the southern oceans. The Indian Ocean is the third largest ocean on the planet. The ocean bed also hosts petroleum and natural gas fields, polymetallic nodules, and placer deposits. Despite the ice and cold, humans have managed to live there and even explore. White lions are an even more captivating […], Although it is almost a given that the DNA that we are all born with does not change throughout our […], Time is a concept that is taken for granted in most areas of human life. There is the Atlantic Ocean which separates the American Continents from Europe and Africa. The 7 Continents of The World Lions are rather majestic creatures that roam the wilds of Africa,Â Asia, and zoos. Ocean currents govern the world's weather and churn a kaleidoscope of life. The Atlantic Ocean resides between the Americas, Europe, and Africa. There is one global ocean called the World Ocean, because the entire body of water on our planet is connected. The Pacific Ocean is also home to the Mariana Trench, which is the deepest part of the ocean. How Many McDonalds Locations Are There in the World? The icebergs of the Southern Ocean are treated as freshwater resources, sufficient to feed every person on Earth for a period of several months. A large number of migratory birds can be spotted in the oceanic region and Antarctica. â¨, Researchers estimate that the Southern Ocean seabed is a storehouse of massive oil and gas fields, valuable minerals like gold, placer deposits, manganese nodules, and more. The largest and the deepest ocean on our planet is the Pacific Ocean. The Arctic Ocean is the smallest and shallowest of the world’s oceans, and is almost completely surrounded by Eurasia and North America. Spanning an area of 168,723,000 square km, the Pacific Ocean accounts for one-third of the total surface area of the planet. Petroleum deposits on the Atlanticâs floor, precious stones, placer deposits, and polymetallic nodules are abundant. The ocean comprises over 139,434,000 sq mi and has a total volume of 320,000,000 cubic miles. The Lionâs mane jellyfish and the banded gunnel are among the few species of marine creatures inhabiting the Arctic Oceanâs waters. Excess of oxygen depleting pollutants triggers hypoxia and creates dead zones in the ocean. The Indian Ocean is the third largest ocean and is home to many climate variabilities. These defined areas are further broken down into smaller areas. However, there is only one Global Ocean. The Pacific Ocean is the largest and deepest of them all, it extends from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by Asia and Australia in the west and the Americas in the east. The Atlantic ocean is home to the largest island in the world, Greenland, and is also home to the Bermuda Triangle, infamous for its ability to drown ships and planes that cross over it. Frequent oil spills, municipal sewage pollution, industrial pollution, bycatch during irresponsible and outdated fishing activities all threaten the marine life in the Atlantic Ocean. These include terns, gulls, albatrosses, skuas, petrels, etc. It comprises the world. However, there is only one Global Ocean. Earth Details. The ocean remains one of the most unexplored places on Earth. 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. The Arctic is also home to many fish and animals, including polar bears. There are 5 major oceans in the world. Cyclones are common during the summer season. Overall, the Indian ocean is the warmest of the oceans and this results in it having a limited marine life. It is treated casually without […], Mach Speed is when an object moves faster than the speed of sound. However, in the relatively shallow waters off the coast of Australia and New Zealand, petroleum and natural gas deposits have been discovered. 7 continents, 5 Oceans and 194 independent countries in the world are the entire of the physical Universe and all life upon it including human civilization. Atmosphere Climate Change That's great to hear! Technically, there is only a single ocean: the world ocean. The saltiness comes from evaporation, precipitation, and water flows from numerous rivers belonging to the four continents it is surrounded by. The boundaries between these regions have evolved over time for a variety of historical, cultural, geographical, and scientific reasons. There are a lot of places we have not seen and a lot of species that have yet to be discovered. Approximately, 80% of the ocean hasn't been mapped or explored. The Antarctic ozone hole in the ozone layer above allows harmful UV rays to reach the marine habitat, reducing phytoplankton by as much as 15%. These are the Arctic Ocean along the North Pole, the Atlantic Ocean between Europe and the Americas, the Indian Ocean between India and Africa, the Pacific Ocean between Asia and the Americas,Ã‚ and the Southern Ocean on the South Pole. We have included the details about how many countries are in the world below in this article.. These alterations would, in turn, cause a drastic change in the global climate. It is the southernmost of the 5 regions of the Global Ocean and the fourth largest of the five. It covers an expanse of about 73,556,000 square kilometers. Fertilizer and pesticide wash-off from agricultural fields, sewage, and industrial wastes all drain into the ocean via these rivers. Parts of these oceans are defined as gulfs, seas, straits, and other bodies of water within the oceans. We're sorry to hear that! The Atlantic Ocean spans an area of 85,133,000 square km. The area surrounded by the Pacific Ocean … We break that single ocean into parts because the pa… This study has investigated the […], Patients with injuries to the nervous system, such as spinal cord injury, traumatic brain injury, glaucoma, and various neurodegenerative diseases, […], In order to survive a zombie apocalypse, you will need a few key things: enough food rations to last for […]. How Many Types Of Bears Are There Living In The World Today? For many years there were only four oceans officially recognized, and then in the spring of 2000, the International Hydrographic Organization established the Southern Ocean. This new ocean is recognized by the U.S. Board on Geographic Names, but have not been ratified because not all members of the IHO and other countries have accepted this new ocean, which is made up of pieces from the Atlantic, Pacific, and the Indian Ocean. The different parts of the world’s oceans are defined by the continents, archipelago, and other features in the surrounding area. However, despite this great biodiversity, climate change is taking its toll on the Indian Ocean ecosystem. How many oceans are there? Rock samples from the ocean have been dated back over 200 million years ago. Wildlife Guides Stumble Upon Rare White Lion in South Africa, NASA Confirms: Living Aboard The International Space Station Changed Scott Kelly’s DNA, Mach Speed: From Mach 1 To Mach 3 Speed and Beyond, The Effect Of Outdoor Noise On Italian Schools, Regenerative Abilities In The Mammalian Nervous System, Here’s How To Survive A Zombie Apocalypse, According To Science, 140 million square miles (71% of the Earth’s surface), Â 36,198 feet (11,033 m); the deepest point is the Mariana Trench in the western Pacific, Â Mauna Kea in Hawaii rises 33,474 feet (10,203 m) from its base on the ocean floor, Massive mountain ranges that are 40,000 miles (64,000 km) long. As per estimates, 97% of the water on our planet is found in the ocean. It is divided into the standard oceans: the Atlantic Ocean, Arctic Ocean, Indian Ocean, Pacific Ocean, and the proposed Southern Ocean and ocean round the Antarctic. With much left undiscovered and the looming threat of climate change, it is important as ever to build our knowledge of the ocean to better understand the diversity of organisms that exist and how life can proliferate on other oceans in the galaxy. The earth is the only planet to have such large masses of water and support life, for 97% of the earth’s water comes from the oceans. Long hours of darkness engulf the ocean during winters and summers are characterized by continuous daylight. Overfishing in the Pacific has also depleted its marine wealth greatly. It supplies us with food and many other resources. This is because the ocean is comprised of one global and interconnected body of saltwater. The Pacific is the largest of these oceans, covering 63,784,077 sq miles (165,200,000 km²). Despite this, it is home to breeding humpback whales and the second largest population of tuna. Number of Oceans in the World. How many oceans are there in the world? These are the reasons why we can export goods to other countries and migrate from one country to another by the use of yacht or a boat. If you have ever tried to locate the “seven seas” on a map of the world, you probably found only four: the Atlantic, Pacific, Indian, and Arctic Oceans. This process is still going on. Then there is … All Rights Reserved. Like other oceans of the world, climate change threatens to adversely affect the marine ecosystem of the Arctic Ocean. For ancient civilisations like Mesopotamian, the answer of how many seas in the world was seven and these also included the oceans which are mentioned above. The Pacific Ocean is the world’s largest. It also hold… However, this ocean has been divided into distinct named geographic regions by countries and oceanographers. The IHO proposed this new ocean because Commodore John Leech of the IHO agrees with recent research into global warming and events like El Nino that links them to the southern ocean circulation, which is within the Southern Ocean region. 01. of 05. It is estimated that by 2040, the majority of the ice (if not all) will be melted because of global warming. There are 5 oceans of the world- the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, the Southern Ocean, and the Arctic Ocean. This region is also the home of the ring of fire, which is characterized by immense earthquakes and volcanic activity. 3,741 m is the average depth of the Indian Ocean, and its deepest point is Diamantina Deep. We help hundreds of thousands of people every month learn about the world we live in and the latest scientific breakthroughs. Large parts of the Pacific remain unexplored due to its great depths. The Arctic Ocean is located in a polar climatic zone characterized by frigid year-round temperatures. We use it to search for oil and scientists use it to search for new forms of life and medicines. Can VR Be Used To Fix Social Media’s Problems? They determined its limits including all water below 60 degrees south, and some of it is frozen, like the Arctic Ocean. The countries bordering the Arctic Ocean are the US, Canada, Iceland, Greenland, Norway, and Russia. A large number of highly polluted rivers from the countries of southeast Asia and east Asia drain into this ocean, contaminating the waters with pollutants. saltiness comes from evaporation, precipitation, and water flows, DMMS: Efficient Diffeomorphic Metric Image Registration Via Stationary Velocity, Automatic Measurements Of Contact Angle And Curvature In Pore-Space Images, Science Can Now Make Wood Just As Strong As Steel, Free-Living Amoebae â A Novel Waterborne Risk Pathway That Now Includes Enteric Viruses. As we continue to explore and learn about the ocean, it becomes important to understand how it is defined by the world and what features it has that are crucial to the stability of the world. The Pacific Ocean is in between the Americas, Asia, Australia, and the Southern Ocean. The Gulf Stream and the North Atlantic Drift are responsible for keeping large parts of the coast of north-western Europe and the British Isles warm when the coast of Newfoundland in Canada on the same latitude experiences extreme temperatures in winter. Historically there were 4 named oceans in the world, which include the Atlantic Ocean, Pacific Ocean, Arctic Ocean, and the Indian Ocean. The Atlantic Ocean has contributed significantly to the economy of many nations. Today, most nations including the United States recognizes five ocean basins, namely Arctic, Atlantic, Indian, Pacific, and Southern. Number Of Oceans In The World (Historically Standard): 4, Number Of Oceans In The World (New IHO Standard): 5, “We are tied to the ocean. 5. Sign up for our science newsletter! The ocean covers about 71% of the surface of the Earth. This ocean extends from the shores of Antarctica to the line of latitude at 60 degrees South. The smallest, coldest, and shallowest of the oceans of the world, theÂ Arctic OceanÂ is located in the Northern Hemisphereâs Arctic north polar region. How Many Countries Are There In The World? Geographers, for many years, divided the world ocean into four parts: the Atlantic, Pacific, Indian, and Arctic Oceans. The Greenland Sea and the Labrador Sea forms the connection between this ocean and the Atlantic Ocean. As per estimates, 97% of the water on our planet is found in the ocean. It is also important to understand how humans have affected the health and welfare of the ocean. The ocean houses a plethora of marine organisms ranging from marine microbes to the world's largest animal, the blue whale. Since the Atlantic Ocean is vast, its climate varies widely from the north to the south. Their borders are indicated on the world image (above) in varied shades of blue. 7 Continents, 5 Oceans And List Of All Countries In The World. According to NOAA, there are five ocean basins in the world - Arctic, Atlantic, Indian, Pacific, and Southern. So, let’s take a look at the huge water bodies of the planet. The warm tropical waters of the ocean support a great diversity of life. There are five oceans in the world. This interaction leads to a lot of pressure build-up, which leads to earthquakes and volcanoes. Now we have 7 continents and 5 oceans which are home to all of us and millions of other living organisms. March 26, 2010, charm, Leave a comment. Oceanographers believe that only 5% of the ocean as a whole has been explored on earth. This ocean is also the warmest ocean in the world. The world has 5 oceans. Today, the historic “four-ocean” mindset is virtually obsolete, but the National Ocean Service (NOAA) still recognizes four oceanic basins within the Earth’s single Global Ocean. However, although the ocean plays a major role in sustaining life on Earth, we have explored or mapped only about 20% of the ocean. However, if the Atlantic and Pacific Oceans are divided into two separate water bodies each; namely, the North Atlantic, South Atlantic, the North Pacific, and the South Pacific, the number of oceans in the world comes to seven. Estimates, 97 % of the Earth features in the Atlantic ocean and the banded gunnel are among few. Standards, to give it its own classification the details about how many Types bears. These oceans, they hold around 97 % of the oceans Arctic ocean, or global ocean comprised! 5 oceans: the Atlantic separates the American continents from Europe and to... 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