The earth’s surface consists of more than 70 percent of water. These surfaces exist or are called by different words. This is so because of the variation in size of the waterbody, type of water, distribution, and many other such factors. Some of the words given after considering these in mind our seas, oceans, lakes, rivers, ponds, etc. Further, these water bodies have got different names according to the names of the goddess, area, and many more such things. You must have used or heard of these terms that are “seas” or “oceans” very frequently. But all of these have very slighter differences and thus these terms should be used properly. For instance “ocean” and “sea” are used very often thus one should know that they hold a different meaning before using them. The sea is smaller as compared to that of an ocean and often you will find it partly enclosed by land. All the oceans are connected and thus oceans make up the world ocean.

Pacific Ocean: The Largest Ocean in the World

Now if we talk about the main content of ours that we need to discuss then the pacific ocean is the largest in the world. It covers almost half of the planet’s water surface. The largest ocean in the world covers an area of 70,017,000 square miles. Though it is said that almost all the oceans have a great depth if we talk in context to the largest ocean in the world then undoubtedly pacific is the home to the deepest trench on earth. This area also known as the challenger deep has great depth. The depth is approx. 36,200 feet. The largest ocean in the world extends from the arctic ocean in the north to the southern ocean in the south. The depth in this area of the largest ocean in the world is located where two tectonic plates cover. One plate covers into earth’s mantle and has created a trench that is deeper than Mount Everest.

The largest ocean in the world surrounds most of the earth’s continents. In all, it surrounds piles of earth’s seven continents. This largest ocean in the world was amongst the last ocean discovered by Europeans. If we talk about the word “Pacific ocean” then one must know that the word has been derived from the word where pacific means peace.

Other Important Information about largest ocean:

Geography: –Now if we talk in terms of geography then we would know that the largest ocean in the world separates Asia and Australia from the Americas. Further, the divisions by the equator will be two: North pacific and South pacific portions. Moreover, if we talk about the aspect of its extension then the largest ocean in the world extends from the arctic region in the south to the arctic in the north.

The largest ocean in the world covers approximately one-third of the earth’s surface. It has an area of 165,200,000km2 which is often larger than the earth’s entire landmass. Using this an amazing fact to know.

The largest ocean in the world has a volume representing about 50.1 percent of the world’s oceanic water. The water present at the surface has a varied range of temperatures. The surface water temperature in the largest ocean in the world can vary from -1.4 degrees Celsius, the freezing point of the seawater is about 30 degrees Celsius. Do you know that even the salinity of the largest ocean in the world varies latitudinally? This reaches a maximum of 37 parts per thousand in the southeastern area. The water near the equator is less salty which is approximately low as 34 parts per thousand. This is because of the abundance of equatorial precipitation throughout the year. If we talk about the motion of water then it’s generally clockwise in the northern hemisphere whereas counterclockwise in the southern hemisphere.

Climatic conditions: The climatic conditions are just mirrors of both the hemisphere. Thus the climatic pattern of the northern and the southern hemisphere generally resembles each other. The trade winds are steady in both the southern and the eastern pacific regions. Whereas that of the north pacific is far more varied. Also, it observed that in the tropical and subtropical pacific the ENSO affects the weather conditions completely.

Sea: Several seas are present in the pacific ocean.

Top large seas are as enlisted below:

• Australasian Mediterranean Sea is 9.080 km2
• Philippine sea is 5.695 million km2
• Coral sea is 4.791 km2
• South china sea – 3.5 million km2
• Tasman sea is 2.3 million km2
• Bering sea is 2 million km2
• Sea of Okhotsk is 1.583 million km2
• Gulf of Alaska 1.533 million km2
• East china sea is 1.249 million km2
• Mar de Grau is 1.14 million km2
• Sea of Japan is 978.000km2
• Solomon sea is 720,000km2
• Banda sea is 695,000km2
• Arafura sea is 650,000km2
• Timor sea is 610,000km2
• Yellow sea is 380,000km2
• Java sea is 320,000km2
• Gulf of Thailand is 320,000km2
• Gulf of Carpentaria is 300,000km2
• Celebes sea is 280,000km2
• Sulu sea is 260,000km2
• Bismarck sea is 250,400km2
• Gulf of Anadyr is 200,000km2
• Molucca sea is 200,000km2
• Gulf of California is 160,000km2
• Gulf of Tonkin is 126,250km2
• Halmahera sea is 95,000km2
• Bohai sea is 78,000km2
• Gulf of Papua is 70,400km2
• Koro sea is 58,000km2
• Bali sea is 45,000km2
• Savu sea is 35,000km2
• Seto inland sea is 23,203km2
• Seram sea is 12,000km2

Major ports: There are various ports in the largest ocean in the world. Below mentioned is the list of various major ports lying in the largest ocean in the world.

• Acapulco
• Auckland
• Bangkok
• Busan
• Cebu city
• Dalian
• Guangzhou
• Haiphong
• Ho Chi Minh city
• Hong Kong
• Honolulu
• Johor Bahru
• Kaohsiung
• Keelung
• Long Beach
• Los Angles
• Manila
• Melbourne
• Nagoya
• Nakhodka
• Oakland
• Osaka
• Panama city
• Portland
• San Diego
• San Francisco
• Seattle
• Shanghai
• Singapore
• Sydney
• Tianjin
• Tokyo
• Vancouver
• Vladivostok
• Yokohama

Environmental issues: 

The largest ocean in the world has been suffering from lots of environmental issues. The various small plastic fragments were found floating in the largest ocean, particularly in the northeast pacific ocean. In the year between 1972 and 2012, this number increased by a hundredfold. This growing garbage patch between California and France is three times more than the size of France. The approx, number is 1.8 trillion pieces. These all have led to marine pollution. The primary reason for this is the disposal of wastes into these water bodies. Hypoxia is a common condition witnessed which is mainly due to the excess oxygen depletion of chemicals in the water.

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