<div class="text-justify">Hello dear friends.

Understanding how ocean heat is distributed is very important to assess climate warming, as the oceans absorb most of the warming caused by human activities, and ocean warming can cause several high-risk factors, such as loss of oxygen from the water, alteration of marine ecosystems and sea level rise; and a recent study reveals how the North Atlantic heat gain has been, along the hydrographic section of the Atlantic (25°N).

<center>https://i.postimg.cc/vmWY4fR9/underwater-sunbeams-ocean-sea-745632.jpg
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The ocean absorbs much of the warming we have caused globally. Source: [pxhere.com](https://pxhere.com/es/photo/745632)._**</center>

According to research recently published in the journal [Communication Earth and Environment](https://www.nature.com/articles/s43247-022-00443-4), and carried out by a group of scientists from British and French institutions, the deep ocean is estimated to warm by 0.2 degrees Celsius over the next 50 years, and they note that 62% of the total warming that remains in the deep ocean, below 700 m at the latitude studied, is due to human-induced sea surface temperature change between 1850 and 2018, and that the net excess heat transport across this latitude has recently increased, warming this region at a rate of 0.89 ± 0.19 W.m<sup>-2</sup> between 2012 and 2018.

The research also points out how ocean currents help redistribute heat to different regions, finding that excess heat from the Southern Hemisphere oceans is being transferred to the North Atlantic. The scientists reached this conclusion by using temperature records and chemical tracers that allowed them to discover changes in ocean temperature.

According to the researchers, the change in ocean heat content is mainly assessed since the 1960s and for the upper 2000 m, however, for deep ocean heat content there has been little observational coverage, therefore, historical reconstructions such as the one performed in this work, and other recent work, are necessary to have a complete account of ocean heat uptake, which is essential for understanding and modeling global climate.

<center>https://i.postimg.cc/V66Tb054/paradice-bay-antarctica-glacier-iceberg-982537.jpg
**_The melting of ice at the poles is a consequence of the increase in ocean temperature. Source: [pxhere.com](https://pxhere.com/es/photo/982537)._**</center>

There is no doubt that the increase in ocean temperatures is our responsibility; the annual emission of tons of greenhouse gases traps a large amount of the heat that reaches the Earth's surface, preventing it from being returned to space as freely as in the past. This excess heat is absorbed by the ocean, which has increased the temperature at its surface, and as a consequence, this heat is also distributed to the depths.

Recalling that the ocean plays a central role in stabilizing the global climate system, it is vital to understand how excess heat is absorbed and redistributed from the surface to the ocean floor in order to assess and control the Earth's energy imbalance, as global warming has fueled recent climate disasters, such as intense, extreme heat, and major floods and fires.

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