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Indian Ocean

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The Indian Ocean is the third-largest ocean on Earth.

Indian Ocean
Indian Ocean

It covers about 70,560,000 square kilometers of water. This means it holds roughly 20% of the water on our planet's surface. The ocean is tucked between large lands. Asia sits to the north, Africa is to the west, and Australia is to the east. To the south, it meets the Southern Ocean or Antarctica.

Blue Marble Eastern Hemisphere
Blue Marble Eastern Hemisphere

This ocean is very important for the whole world. It helps control the global climate.

This ocean is the warmest ocean in the world.

Indian Ocean surface
Indian Ocean surface

Because the water is so warm, it affects the air above it. This creates a special way it works called the monsoon. A monsoon is a seasonal wind that brings heavy rain. In the north, strong winds blow from the northeast from October to April. Then, from May to October, the winds change to blow from the south and west.

Indian Ocean Monsoon
Indian Ocean Monsoon

These winds bring rain to places like the Indian subcontinent. Many people and civilizations depend on this rain to survive.

Scientists say this is the youngest ocean. It formed about 20 million years ago. It came from a much older ocean called the Tethys Ocean.

Indian Ocean
Indian Ocean

As the Tethys Ocean broke apart, it left behind the Mediterranean Sea and the Indian Ocean. The ocean has an average depth of 3,741 meters. Some parts are much deeper, reaching 7,290 meters.

Thermohaline circulation
Thermohaline circulation

The ocean's shape is different from others. It is surrounded by land on three sides. This makes it look like an enclosed basin.

Many different living things call this ocean home.

Maldives Surgeonfish, Acanthurus leucosternon
Maldives Surgeonfish, Acanthurus leucosternon

You can find colorful coral reefs and green seagrass beds. It is also a very important place for fishing. A large amount of the world's tuna is caught here.

Vaavu Atoll, Maldives - panoramio (20)
Vaavu Atoll, Maldives - panoramio (20)

Some special animals are also found in these waters. These include endangered marine species that need protection. The ocean is a busy place for life.

People have used the Indian Ocean for a long time. Since ancient times, it has been a hub for trade. This means people use the water to move goods between different lands.

Silk route
Silk route

In the past, it helped people move and share new ideas. Today, it is still very important for global trade. Many ships use the ocean to carry oil and other fuels.

Shipping routes
Shipping routes

More than two billion people live in countries near this ocean. It connects many different cultures and parts of the world.

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🖼️ Images & Media (39)
File:World map ocean locator-en.svg
World map ocean locator-en.svg
File:Thermohaline circulation.svg
Thermohaline circulation.svg
File:Indian Ocean.svg
Indian Ocean.svg
File:Symbol template class pink.svg
Symbol template class pink.svg
File:Earth Day Flag.png
Earth Day Flag.png
File:A general view of Mombasa Port on Kenya's Indian Ocean coast.jpg
A general view of Mombasa Port on Kenya's...
File:Aerosol pollution over Northern India, Bangladesh, and Bay of Bengal.jpg
Aerosol pollution over Northern India,...
File:О. Альдабра - поднятый атолл в архипелаге Сейшельских островов.jpg
О. Альдабра - поднятый атолл в архипелаге...
File:View from the Deck of the Upton Castle Transport, of the British Army Landing - Bonhams 18942 (cropped).jpg
View from the Deck of the Upton Castle...
File:Blue Marble Eastern Hemisphere.jpg
Blue Marble Eastern Hemisphere.jpg
File:Shipping routes.png
Shipping routes.png
File:Padadita Beach, Waingapu 18.jpg
Padadita Beach, Waingapu 18.jpg

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