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Ocean water represents the ... The neritic zone covers the water directly ... The combined volume of water in all the oceans is roughly 1.335 billion cubic kilometers ...
The total volume of water on Earth is estimated at 1.386 billion km 3 (333 million cubic miles), with 97.5% being salt water and 2.5% being freshwater. Of the freshwater, only 0.3% is in liquid form on the surface. [2] [3] [4]
The ocean contains 97% of Earth's water, and oceanographers have stated that less than 100% of the World Ocean has been explored. [5] The total volume is approximately 1.35 billion cubic kilometers (320 million cu mi) with an average depth of nearly 3,700 meters (12,100 ft). [6] [7] [8]
Earth's 1,335,000,000 cubic kilometers (320,000,000 cu mi) of sea contain about 97.2 percent of its known water [12] [c] and covers approximately 71 percent of its surface. [ 3 ] : 7 [ 17 ] Another 2.15% of Earth's water is frozen, found in the sea ice covering the Arctic Ocean , the ice cap covering Antarctica and its adjacent seas , and ...
At any given time, about 2 × 10 13 tonnes of this is in the form of water vapor in the Earth's atmosphere (for practical purposes, 1 cubic metre of water weighs 1 tonne). Approximately 71% of Earth's surface, an area of some 361 million square kilometres (139.5 million square miles), is covered by ocean .
Coordinates: 1]: Basin countries: List of bordering countries (not drainage basin), ports: Surface area: 85,133,000 km 2 (32,870,000 sq mi) [2] North Atlantic: 41,490,000 km 2 (16,020,000 sq mi), South Atlantic 40,270,000 km 2 (15,550,000 sq mi) [3]: Average depth: 3,646 m (11,962 ft) [3]: Max. depth: Puerto Rico Trench 8,376 m (27,480 ft) [4]: Water volume: 310,410,900 km 3 (74,471,500 cu mi ...
A Chinese woman who was swept out to sea while swimming at a Japanese beach was rescued 37 hours later after drifting in an inflatable swim ring more than 80 kilometers (50 miles) in the Pacific ...
The volume of the Pacific Ocean, representing about 50.1 percent of the world's oceanic water, has been estimated at some 714 million cubic kilometers (171 million cubic miles). [68] Surface water temperatures in the Pacific can vary from −1.4 °C (29.5 °F), the freezing point of seawater, in the poleward areas to about 30 °C (86 °F) near ...