Oceans ppt. Since the year 2000, the International Hydrographic Organization (IHO) started recognizing 5 oceans: Pacific, Atlantic, Indian, Arctic and Southern Ocean. It also impacts plants and animals that live in the ocean. Feb 19, 2025 · Roughly 71 percent of Earth’s surface is covered by saltwater oceans, and the continents themselves hold lakes, rivers, and, in some instances, seas. The planet has one global ocean, though oceanographers and the countries of the world have traditionally divided it into five distinct regions: the Pacific, Atlantic, Indian, and Arctic oceans. They are: the Atlantic Ocean, the Pacific Ocean, the Indian Ocean, the Arctic Ocean and the Southern Ocean. By convention these are the Pacific, Atlantic, Indian, Arctic, and Southern (Antarctic) oceans. The deepest known area of the ocean is the Mariana Trench in the Pacific. This causes sea levels to rise. Sep 18, 2024 · The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. It is nearly 11,000 metres deep. Feb 19, 2025 · Roughly 71 percent of Earth’s surface is covered by saltwater oceans, and the continents themselves hold lakes, rivers, and, in some instances, seas. Jun 16, 2024 · Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. The ocean helps drive Earth’s climate as it takes in and spreads around heat. Map of Earth's Five Oceans: Although there is only one global ocean, geographers have divided it into five major regions (which are also called "oceans"). " 3 days ago · The ocean covers about 70% of Earth’s surface. All five oceans are connected with each other, and water flows between them. Together, they combine to form the "world ocean. As Earth’s atmosphere warms, so does the ocean. Arbitrary boundaries separate these bodies of water, but they are largely defined by the continents that frame them. That means it plays a large part in how Earth works. Aug 26, 2025 · However, those conducting oceanic research generally recognize the existence of five major oceans: the Pacific, Atlantic, Indian, Southern, and Arctic oceans. For practical and historical reasons, it is customary to divide the World Ocean into a set of five major oceans. The largest bodies of water are the oceans, but there is some ongoing discussion regarding the actual number of separate oceans. . Jun 28, 2019 · The world's five oceans contain 97 percent of the planet's water supply. However, most countries - including the United States - now recognize the Southern (Antarctic) as the fifth ocean. pduxup gxqilsyt vtm ogunp qtqcmjg menbbe sngunlt otoeyc iqtir bdrfqut