Scientists discover a source of carbon dioxide in the depths of the ocean

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The data of Cardenas, Professor at the University of Texas at Austin, discovered a stream of carbon dioxide bubbles deep in the ocean while diving to study the effect of groundwater from a nearby island on Pacific organisms in the corridor of Verde Island in the Philippines. The corridor is one of the most diverse marine ecosystems in the world, and is home to coral reefs, according to the Emirates Future Observatory website.

The carbon dioxide stream is a nearby volcano, whose gases have long since cracked in the ocean floor. Cardenas said that high levels of carbon dioxide may make this region an ideal place to study how coral reefs and marine organisms adapt to climate change, with high levels of carbon dioxide.

“These elevated carbon dioxide environments are close to coral reefs, and life is still thriving in this area, but it may be different from the forms of life we ​​are used to,” said Cardenas, a professor at Jackson College of Earth Sciences at the University of Texas at Austin.


Important discoveries

Cardenas and his colleagues, scientists from many countries, spoke about these invasive springs and other scientific discoveries related to groundwater, in a research paper published in the journal Geophysical Research Litters.

Concentrations of carbon dioxide in some regions reach 95 thousand parts per million, which is more than 200 times the concentration of carbon dioxide in the atmosphere. Carbon dioxide levels decrease as you move away from gas leaks until they disappear into the ocean, but the carbon dioxide concentration remains relatively high on the coast of the Calumban Peninsula.

The team of scientists searched for radon 222 in water samples, which is a radioactive isotope produced naturally. It is found in the local groundwater in that region and not in the open ocean waters. The team found areas where groundwater flows into the ocean, which means pollutants from the island reach the reef. This has a major impact, especially in the Philippines, as coral reefs attract tourists from around the world. Communities rely on septic tanks instead of modern sewage networks, and the development of drainage systems may transfer pollution to the coral reefs on which the local economy depends.

Cardenas’ field work led to the development of new skills and techniques for collecting underwater samples, and these techniques and the results achieved thanks to them are of great scientific importance, as underwater studies are more difficult to work than on the surface. The new study expands our knowledge of what is happening in these environments, and showed the potential impact of what is happening on land on the change in the chemical composition of large areas of sea and ocean waters.

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