WebFactsheet: People and Oceans General The ocean is vast, covering 140 million square miles (363 million square km), equivalent to approximately 72 per cent of the earth's surface. The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. The planet has one global ocean, though oceanographers and the countries of the world have traditionally divided it into four distinct regions: the Pacific, Atlantic, Indian, and Arctic oceans. See more Although the ocean is one continuous body of water, oceanographers have divided it into four principal areas: the Pacific, Atlantic, Indian, and Arctic Oceans. The Atlantic, Indian, … See more Climate The atmosphere receives much of its heat from the ocean. As the sun warms the water, the ocean transfers heat to the atmosphere. In turn, the atmosphere distributes the heat … See more Scientists began mapping the ocean floor in the 1920s. They used instruments called echo sounders, which measure water depths using sound waves. Echo sounders use sonar technology. Sonar is an acronym for SOund … See more After the Earth began to form about 4.6 billion years ago, it gradually separated into layers of lighter and heavier rock. The lighter rock rose and formed the Earths crust. The heavier rock sank and formed the Earths core and … See more
Look at this awesome photo of Earth from an Indian ocean satellite
WebEarth has a surface area of about 197,000,000 miles and the oceans have a volume of about 321,000,000 cubic miles. So, a rough calculation, not accounting for the spherical shape of the Earth, puts the depth of the ocean on a smoothed Earth at about 321/197 miles, or about 1.6 (2.6 km) miles deep. WebJul 15, 2024 · The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. The planet has one global ocean, though oceanographers and the countries of the world have traditionally divided it into four distinct regions: the Pacific, Atlantic, Indian, and Arctic . oceans.Beginning in the 20th century, some oceanographers labeled the seas … how to start my own discord server
Climate Change: Ocean Heat Content NOAA …
WebOceanic plankton is responsible for the production of an estimated 50-80% of the oxygen on earth. Plankton takes its form in algae, plants, and photosynthetic bacteria. One specific bacterial species, known as Prochlorococcus, is responsible for producing a whopping 20% of the oxygen on our planet. Web6 hours ago · If the rock contained just 1 per cent water, it would mean that there is three times more water under the surface of the Earth than there is in the oceans on the surface. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings. react javascript heap out of memory