ocean zones diagram

August 03, 2026

General

Five oceanic divisions are usually recognized: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Antarctic/Southern Ocean, and the Arctic Ocean; the last two listed are sometimes consolidated into the first three. Curious about the oceans, their ecosystems, and the vital role they play in sustaining life on Earth? Explore OCEARCH Ocean Facts to learn how the seas regulate climate, provide food and oxygen, and support incredible biodiversity—from coral reefs to the open ocean. Learn about the ocean and its inhabitants, from sea turtles to whales. The ocean is essential to life on Earth. It covers more than 70% of our planet and holds 96.5% of all water. It regulates our climate, generates half of Earth's oxygen, and is home to millions of species. Ocean, continuous body of salt water held in enormous basins on Earth’s surface. There is one ‘world ocean,’ but researchers often separate it into the Pacific, Atlantic, Indian, Southern, and Arctic oceans. Our ocean work aims to explore, understand and conserve marine and coastal systems. Through oceanography, marine/coastal ecology, climate science, ocean exploration technology, community conservation and related fields, we inspire and empower people to protect our oceans. For related background details, please refer to our report on 2016 chevy malibu parts diagram. Covering around 71% of the Earth’s surface, the ocean contains about 97% of the planet’s water. The ocean provides a source of food, serves as a transport medium for roughly 90% of global trade, and plays a crucial role in the Earth’s weather and climate system. The ocean covers more than 70% of Earth’s surface and contains 97% of the planet’s water. This vast, critical reservoir supports a abundance of life and helps regulate Earth’s climate.