Climate change could melt methane deposits in oceans.

Climate change could melt 3.5% of methane deposits in oceans.

Posted by: Green EFE editorial, October 27, 2016 Granada, Spain.

In research, based on simulations, it has been estimated that some 60 billion tonnes of carbon from global methane hydrate deposits located beneath the seas and oceans could begin to melt before 2100 due to climate change and warming of ocean waters, which would risk the release of millions of tons of this potent greenhouse gas into the atmosphere. Hence the need to keep investigating before it is too late.

Researchers at the Andalusian Institute of Earth Sciences in Grenada and Cambridge University have calculated that 3.5 percent of the world’s deposits of methane hydrate below the seas and oceans could begin to melt before 2100 due to change climate.The results of this research, made from simulations, are published in the journal Nature Communications, reports the University of Granada in a press release.

According to this study, that percentage of global deposits of methane hydrate, equivalent to about 60,000 million tons of carbon, would begin to melt due to climate change and the warming of ocean waters, a fact that would cause them to seep into the atmosphere Tons of this potent greenhouse gas.

Julyan Cartwright, from the Andalusian Institute of Earth Sciences (CSIC and the University of Granada), explains that beneath the seas and oceans there are large deposits of methane that, like other hydrocarbons, are the remains of organisms of the past.

Thermal Rise

Part of the huge amount of fossil fuel is methane and part of the methane deposit beneath the oceans is in the form of methane hydrate, which is a stable solid at temperatures and pressures below the water but susceptible to start to melt if the temperature thereof rises a bit. That rise in temperature is what can happen with climate change in a few decades, “Efe tells this scientist.

Although this study estimates that 3.5% of these deposits could begin to melt before 2100, this researcher emphasizes that more studies and a greater knowledge about them are necessary.

It should be better understood and analyzed if there is a risk that these deposits could be merged with climate change, which would let the environment out of its methane, which is a potent greenhouse gas, says Cartwright, who says that this work shows that there is such a risk , Perhaps underestimated, on global deposits of methane hydrate and climate change. Hence the need to continue investigating before it is too late, he insists.

Research also shows that, in addition to the mechanisms already known, there are other mechanisms hitherto ignored, osmosis can play a key role in this event. Osmosis is the diffusion that takes place between two liquids or gases able to be mixed through a septum or semipermeable membrane.

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