THE FIVE MAJOR BIG OCEANS OF THE WORLD.pptx

Oceans

1. THE FIVE OCEANS OF THE WORLD Pacific Ocean Atlantic Ocean Indian Ocean Southern Ocean Arctic Ocean

2. PACIFIC OCEAN The Pacific ocean is the largest and deepest ocean in the world. Here are its key features and things that can be found in it. Size and Scope Islands Deepest point Biodiversity Natural phenomena Economic Cultural significance

3. Size and Scope It covers nearly 168 million square kilometers, accounting for about 46% of the Earth’s water surface. It is bordered by the continents of Asia, Australlia , North America and South America. Islands It is home to thousand of islands, such as Hawaii, Philippines, Fiji, Micronesia, Polynesia, and Melanesia. Deepest Point The Mariana Trench (11,034 meters deep) is the deepest part of the pacific ocean

4. Biodiversity The pacific ocean is rich in Marine life, including: CORAL REEFS ( like the Great Barrier Reef, the largest coral reef system in the world ) Fish, Whale, Sharks, and other Marine Species. It is vital to the Global fishing industry. Natural Phenomena The Ring of Fire Surrounds the Pacific and is known for its seismic and volcanic activity. Typhoons frequently form in the pacific.

5. Economic It is a hub of global trade, especially with major shipping routes. It is contains abundant marine resources, oil, and mineral. Cultural Significance It plays a central role in the history and mythology of many nations, such as the Philippines, and other cultures. The Pacific Ocean is not only significant ecologically, but also economically, historically, and as a vital source of livelihood for people worldwide.

6. Atlantic Ocean The second largest ocean in the world, following the pacific ocean. here are some key characteristics and features found within it: Size and scope Islands Deepest point Biodiversity Natural phenomena Economic

7. Size and Scope Area: The Atlantic ocean covers an area of about 85 million square kilometers, making it the second largest ocean in the world after the pacific ocean. Dimension: it stretches from the Arctic Ocean in the north to the southern Ocean in the south. Length: it spans around 16,000 kilometers( 10,000 miles ) from north to south, and is about 2,800 kilometers ( 1,700 miles ) wide at its widest point.

8. Islands The Atlantic ocean is home to several major, islands and islands group, including: Iceland: known for its geothermal activity and unique landscape Azores: A group of volcanic islands located in the mid-Atlantic, part of the Portugal. Canary islands: Spanish islands off the northwest coast of Africa, known for their volcanic landscape. Bermuda Islands: A group of islands located to the east of the United States. Falkland Islands: A british overseas territory in the South Atlantic.

9. Deepest Point The Puerto Rico Trench is the deepest point in the Atlantic Ocean, with a maximum depth of approximately 8,376 meters( 27,480 feet) Biodiversity The Atlantic Ocean is rich in marine life, supporting various ecosystems from coral reefs to deep-sea trenches. Marine Life: it hosts a wide array of species including Whale, Dolphins , Sea turtle, Sharks, and Tuna . Coral Reefs: the Sargasso Sea and parts of the Caribbean feature extensive coral reefs that support a variety of marine species. Fisheries: the Atlantic supports important fisheries for species such as Cod, Herring, and Salmon .

10. Natural Phenomena Hurricanes : the Atlantic ocean is the primary breeding ground of hurricanes during the late summer and fall months. These storms can cause significant damage to coastal areas in the North America, the Caribbean, and parts of Africa. Example: Hurricane Katrina ( 2005 ) and Hurricane Sandy ( 2012 ) were destructive storms that originated in the Atlantic. Economic Shipping Routes : the Atlantic ocean serves as a major shipping route, especially for trade, between Europe, North America , And South America . Major ports such as New York, London, Hamburg, and Rio de Janeiro rely on the Atlantic for shipping . Energy Resources : the ocean floor contains significant Oil and Natural Gas reserves , particularly in the North Sea and of the coast of the United States and West Africa. Fisheries : The Atlantic is critical for global fisheries, producing millions of tons of fish annually, especially in area like the Grand Banks of Newfoundland.

11. Indian Ocean the Indian ocean is the third-largest ocean in the world, located between Africa to the west, Asia to the North, Australia to the east, and Antarctica to the South. Area: The Indian Ocean covers approximately 70.56 million square kilometer, making it the third-largest ocean on Earth, following the pacific and Atlantic ocean. Depth : Its average depth is 3,960 meters ( 12,990 feet ), with its deepest point being the Java Trench at 7,725 meters ( 25,344 feet ) Islands The Indian Ocean is dotted with various islands and island groups, such as: Madagascar Andaman and Nicobar Island Maldives Mauritius Sri lanka Seychelles

12. Natural Phenomena Monsoons: The Indian Ocean is heavily influenced by monsoon winds, which bring season rain to south Asia, Southeast Asia, and part of Africa. These winds have also historically shaped trade pattern. Cyclones: the region experiences powerful tropical cyclones, particularly in the Bay of Bengal and Arabian Sea. Indian Ocean Dipole: A climate phenomenon affecting sea surface temperatures, leading to periods of drought or heavy rainfall in various regions. Tsunamis: The ocean has been the site of devasting tsunamis, such as 2004 Indian Ocean Tsunami caused by a massive undersea earthquake near Indonesia.

13. Economic Shipping and Trade: the Indian ocean is one of the most important trade routes in the world, connecting Asia, Africa, and Europe. It facilitates the transport of goods such as oil, spices, and manufactured goods. Energy Resources: The ocean is rich in natural resources, particularly oil and natural gas, with significant deposits in the Persian Gulf and East African coast. Fishing Industry: Fisheries in the Indian Ocean supply millions of tons of seafood annually, supporting local economies and global markets.

14. Southern Ocean The southern Ocean, also known as the Antarctic Ocean, is the body of water that surrounds the continent of Antarctica. It is the fourth-largest ocean in the world and is distinguished by its unique position and ecological significance. Size and Scope Area: The southern Ocean, also known as the Antarctic Ocean, covers approximately 20.33 million square kilometer ( 7.85 million square miles ) Making it the fourth-largest ocean in the world. Depth: The average depth of the southern Ocean is 4,000 to 5,000 meters ( 13,000 to 16,400 feet ), with the deepest point being the South Sandwich Trench at 7,434 meters ( 24,389 feet )

15. Islands The Southern Ocean contains a few islands, such as: South Georgia and the South Sandwich Islands : Remote islands known for their diverse wildlife. Bouvet Island : A volcanic island considered one of the most isolated place on Earth. Peter Island: A volcanic island off the coast of antarctica. Heard and McDonald Islands : Australian territories, home to glacier and volcanic activity.

16. Deepest Point The South Sandwich Trench is the deepest point in the southern Ocean, located near the South Sandwich Islands. It has a depth of 7,434 meters ( 24,389 feet ). Biodiversity Marine life: The southern Ocean supports a unique array of marine species adapted to its cold waters, including: Penguin Seal Balena Krill Birds Cold-water Corals: Found in the depths of the ocean, they form habitats for various species.

17. Natural Phenomena Antarctic Circumpolar Current : The strongest ocean current on Earth, which circulates around antarctica and connects the pacific, Atlantic, and Indian Oceans. Icebergs : Massive icebergs break off from antarctica and float across the Southern Ocean. Katabatic Winds : Powerful winds that blow down from antarctica’s ice sheets. Aurora Australis : Known as Southern Lights, this natural light display occurs in the polar skies.

18. Arctic Ocean Is the smallest and shallowest of the world’s five major oceans, located primarily in the northern polar region. It is bordered by the northern coasts of America, Europe, and Asia, and it is surrounded by the Arctic Circle. Depth: Maximum depth reaches approximately 5,450 meters (17,880 feet), which is found in the Eurasian Basin. Area: The arctic ocean is approximately 15.56 million square kilometers. It is the smallest and shallowest part of the five major oceans in the world.

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