Since the year 2000, the International Hydrographic Organization (IHO) started recognizing 5 oceans: Pacific, Atlantic, Indian, Arctic and Southern Ocean.

2025年2月19日 · However, when viewed from another angle, Earth may actually have five oceans. A range of scientific organizations, the International Hydrographic Organization (IHO), and several national governments recognize the existence of a fifth ocean, called the Southern Ocean (also known as the Antarctic Ocean).

The oceans are large masses of water bordering the continents. Even though they are all interlinked, they are predominantly categorized into five oceans as follows; the Atlantic Ocean, the Pacific Ocean, the Indian Ocean, the Southern Ocean, and the Arctic Ocean.

2019年6月28日 · The Southern Ocean is the world's newest and fourth-largest ocean. In the spring of 2000, the International Hydrographic Organization decided to delimit a fifth ocean. In doing so, boundaries were taken from the Pacific, Atlantic, and Indian Oceans. The Southern Ocean extends from the coast of Antarctica to 60 degrees south latitude.

大西洋 （ Atlantic Ocean ），是世界第二大洋，原面积8,221万7千平方公里，在南冰洋成立后，面积调整为7,676万2千平方公里，平均深度3627米，最深处 波多黎各海沟 深达8605米。

There are five oceans that cover around three-quarters of the planet, and they are all connected together: the Atlantic Ocean; the Pacific Ocean; the Indian Ocean; the Southern Ocean;...

The five oceans of the world are the Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean, and Southern Ocean. Each ocean has its own distinct features, such as temperature, salinity, and marine life.

2025年2月9日 · The five major oceans, listed by size from largest to smallest, are the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. When did 5 oceans change? The National Oceanic and Atmospheric Administration (NOAA) officially recognized the Southern Ocean as the fifth ocean in 1999 , when the U.S. Board on Geographic Names approved the name.

There are five oceans: The Pacific Ocean; The Atlantic Ocean; The Indian Ocean; The Arctic Ocean; The Southern Ocean

On average, the five oceans of the world have a salinity of roughly 3.5 percent. However, regions like the Mediterranean, the Atlantic, and the Bay of Bengal have higher salinity levels. The largest ocean in the world - the Pacific Ocean - is ten times bigger than the smallest one - …