Deep waters in the ocean's abysses have not considerably warmed since 2005 but the surface temperature of the world's oceans is rising in an unprecedented rate, said a new study by the National Aeronautics and Space Administration or NASA.

NASA's Jet Propulsion Laboratory researchers recently analyzed satellite data from 2005 to 2013 and they discovered that just below a depth of 1.24 miles in the ocean, the temperature remained almost the same.

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There are plenty of theories relating to where this missing energy went. Some scientists believe there could be some heat trapped inside the ocean. Rising ocean surface temperatures have been attributed to climate change and global warming as the production of carbon dioxide increases in the Earth's atmosphere.

In order to measure the ocean's surface temperature, some 3,000 thermometers were placed on the sea to build a system that monitors temperatures. This system called the Argo Array has been operating since 2005.

It allows researchers to obtain more precise temperatures of surface waters.  Abyssal deep ocean temperatures are another story, however.

Researchers find it difficult to measure temperatures in the ocean, especially at deep depths since melting ice and glaciers contribute to rising sea levels that overlap the waters. Researchers, therefore, devised a formula where they meticulously recorded rising sea levels and deducted the increase relating to warming surface temperatures and melt water levels.

This finally led to a conclusion that temperatures in deep parts of the oceans have had no significant change at all.

After consolidating data from satellites and direct ocean temperature evidence, there is not much warming inside the ocean's depths regardless of sea levels rising, said William Llovel, lead author of the study.

This study does not mean we can disregard the effects of climate change. Researchers are still studying and observing how oceans retain their temperatures at deep depths and find out what links this phenomenon to climate change.

This study was published in the journal, Nature Climate Change.

TagsNASA Data Reveals Earth's Deep Oceans Are Not Heated by Climate Change, NASA, US, global warming, ocean depths abyss deep sea warming heating