Baffling Temperature Drop Discovered in Atlantic Ocean

Scientists are studying a recent and unusual drop in temperatures in part of the Atlantic Ocean, particularly near the equator. Although temperatures have started to rise again, the exact reason for this sudden cooling is still unknown.

Historical Background

For more than 40 years, this part of the Atlantic Ocean was known for having the highest sea surface temperatures, especially during February and March, where temperatures often exceeded 30°C (86°F). However, something changed in June 2023, leading to a significant and unexpected drop in temperature.

Temperature Changes Over Time

February – March 2023: The sea surface temperatures in the Atlantic were at record highs, reaching above 30°C.

June 2023: A mysterious decline in temperature began.

July 2023: The ocean temperature fell further to 25°C (77°F), marking a significant cooling period.

Climate Implications of the Cooling

This cooling event sparked predictions of an “Atlantic Niña,” a climate pattern similar to the Pacific Ocean’s La Niña. An Atlantic Niña could bring more rainfall to western Africa while causing less rainfall in northeastern Brazil and the Gulf of Guinea. The last time this pattern was observed was in 2013.

Current Understanding of the Situation

Even though this cooling is intriguing, scientists like Michael McPhaden from NOAA (National Oceanic and Atmospheric Administration) admit that they don’t fully understand what caused it. The cooling doesn’t seem to fit the typical pattern of an Atlantic Niña, especially since temperatures are now starting to go back up.

About the Atlantic Ocean

The Atlantic Ocean is the second-largest ocean on Earth, covering about 20% of the planet’s surface. It lies between the Americas on one side and Europe and Africa on the other. The ocean’s average depth is about 12,080 feet, with its deepest point, the Puerto Rico Trench, reaching 27,490 feet. The Atlantic is also home to the Gulf Stream, a powerful warm ocean current. The ocean contains over 1,000 islands, with Greenland being the largest. The Mid-Atlantic Ridge, a large underwater mountain range where tectonic plates meet, runs through it. Because of its busy shipping routes and rich marine life, the Atlantic is the most studied ocean in the world.

Month: Current Affairs - August, 2024

Category: Environment Current Affairs