Current Affairs

Researchers have discovered the production of ‘dark oxygen’ on the seafloor

Recent research published in Nature Geoscience has discovered the production of a new form of oxygen in the deep sea, called “dark oxygen,” which contradicts long-held scientific beliefs about oxygen production on Earth. Traditionally, oxygen on Earth was believed to be mainly produced by photosynthetic organisms such as plants and algae. This study shows a different way to bring air to dim places like the seabed.

Description of the search

The researchers made the discovery while working in the Clarion-Clipperton area of ​​the Pacific Ocean. At first they thought their sensors were malfunctioning because they were getting strange oxygen readings. A decade-long investigation showed that oxygen levels below 4,000 meters (13,000 feet) were steadily increasing.

Research Methods

The team performed several electrical tests to make sure what they found was true. They tested their results with a variety of sensors and eventually showed that oxygen can be produced even in dark places.

Importance of multimetallic nodules

“Dark ore” comes from polymetallic nodules, which are mineral layers rich in metals like cobalt, nickel and lithium. These nodules are interesting because they can be mined, but they can also be very important for the survival of aerobic marine life.

About dark ore

The term “dark oxygen” is not very well known, but many things require oxygen to happen. In space, oxygen is found in dark molecular clouds, where stars also form. Hypoxia means “low oxygen”, which can harm marine life in some areas. Earth’s climatic past is seen in oxygen isotopes (O-16, O-18). The Great Oxygenation Event changed the climate and made complex life possible. Oxygen therapy can help with respiratory disease. Some bacteria can live in places with little air. Liquid oxygen is used as rocket fuel. Diatomic oxygen (O2) makes up 21% of the Earth’s atmosphere.

Source

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Sudarshan Sinha

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