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Gulf Stream

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The Gulf Stream is a fast and warm ocean current in the Atlantic.

Golfstrom
Golfstrom

It is a huge part of a larger system called the North Atlantic Gyre. This current starts in the Gulf of Mexico and moves through the Straits of Florida. It flows up the eastern coast of the United States before turning east near North Carolina. This movement helps shape the weather for many different places. It can even lead to strong cyclones in the ocean and the air. The current is so large that it makes a big difference to the world.

This current works through a process called western intensification. This means the current becomes very strong as it moves along the western edge of the ocean. It is driven largely by the stress of the wind on the water. The water moves very fast, especially near the surface. As the warm water travels north, it loses heat to the air through evaporation. This cooling makes the water saltier and heavier. Eventually, this dense water sinks deep into the ocean, much like a lava lamp.

Gulfstream
Gulfstream

People have been learning about this current for hundreds of years. Juan Ponce de León explored it during an expedition in 1512. He noted that the current was even more powerful than the wind. Later, Benjamin Franklin became very interested in how the water moved. He talked to a whaling captain named Timothy Folger to learn more. Folger knew the current's path by watching whales and measuring water temperature. Franklin used this information to make a famous chart in 1769.

Franklin-Folger Gulf Stream chart, London, 1769 version, LOC
Franklin-Folger Gulf Stream chart, London, 1769 version, LOC

There are many amazing facts about the strength of this stream. It moves 30 million cubic meters of water every second through the Florida Straits. As it passes Newfoundland, that amount grows to 150 sverdrups. A sverdrup is a way to measure how much water moves. This volume is much larger than all the rivers in the Atlantic combined. Scientists now use satellites and drifting buoys to study it. These tools help us see the water's temperature and height in real time.

The Gulf Stream acts like a giant heater for the planet. It carries warm water toward Northwest Europe. This makes places like Ireland and the coast of Norway much milder. Without this heat, the northern parts of Norway might be covered in ice. The current also helps many living things travel. Tropical fish, like barracuda and dolphins, follow the warm water north.

Sandy 2012-10-28 1600Z
Sandy 2012-10-28 1600Z

This allows them to find food in new places along the coast.

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🖼️ Images & Media (4)
File:Golfstrom.jpg
Golfstrom.jpg
File:Franklin-Folger Gulf Stream chart, London, 1769 version, LOC.jpg
Franklin-Folger Gulf Stream chart,...
File:Gulfstream.jpg
Gulfstream.jpg
File:Sandy 2012-10-28 1600Z.jpg
Sandy 2012-10-28 1600Z.jpg
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