The slowdown in the Gulf Streams is unprecedented in the twentieth century. We will have a cold winter-

The slowdown in the Gulf Streams is unprecedented in the twentieth century.  We will have a cold winter-

Climate change is significantly reducing ocean flow. The Gulf Stream, which supplies hot water to Europe, is moving at the speed of the last millennium due to an unprecedented recession in the twentieth century. This is the result of a new study published Nature Geoscience A team of scientists from Ireland, Great Britain, and Germany has been able to reconstruct the chronology of Atlantic ocean currents (from the Atlantic meridial overturning circulation known as AMOC, the term used to refer to the Gulf Stream 16), the octaves of the ocean, and the ice sheets, Used for years. In addition, a separate study was published Procedures of the National Academy of Sciences He found that if the rate of global warming increases, there is a risk of complete closure of the Gulf Stream. The consequences are, of course, devastating. Rapid sea level rise to the east coast of the United States and severe winters in Europe.

What’s happening? How will the recession in the Gulf Stream affect our lives?
Modified Guzoni, technical meteorologist d And an expert in observing the Lombard glaciers.

We must first understand What is the Gulf Stream.
It is a large ocean current that carries hot water from the Caribbean Sea to the North Atlantic Ocean. Once in these latitudes, it cools and becomes very salty, sinks and descends into the North American continent, from where the tour ends. A circle. It is also known as the “conveyor belt” because it creates a worldwide circulation of water from the Atlantic Ocean to the Indian and Pacific Oceans and back. English Atlantic meridian annulus A very important current, abbreviated as AMOC, from the synonym for circulatory. That is the southern opposite of the Atlantic circulation.

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Why is this so important?
This is because it controls the climate of many parts of the planet. It is characterized by the northern flow of hot salt water in the surface layers of the Atlantic Ocean and the southern flow of deep cold water. It transfers significant amounts of heat from the tropics and the southern hemisphere to the North Atlantic Ocean, while transferring heat to the atmosphere. Water has a greater thermal inertia than the atmosphere because it emits heat more slowly, thus modifying the climate of the total snowy regions.

The study says the recession in the Gulf Stream …
After the 1950s it decreased by 15%, and this change began to affect the climate patterns in which heat waves are more prevalent in southern Europe. These changes in ocean circulation will significantly affect the global climate system. An important mechanism for heat redistribution, which is critical to global climate, is the sharp decline in AMOC that can lead to disruptions around the world, rapid sea level rise, the location of major rainfall, and the dry climate zone.

Europe? Will this change affect it?
The warm waters of the Gulf Stream temper the climate of Western Europe, leading to our temperate winters. The slowdown of the Gulf Streams will lead to a change in the climate, especially in Central and Northern Europe, because the warmer contribution of this current is less.

Why is the Amox system slowing down?
One reason is the melting of ice in Greenland, where large amounts of cold freshwater enter the ocean and change the way it naturally sinks. Increased rainfall in North America causes more freshwater to enter rivers, streams, and oceans, and slower warmer ocean temperatures that reduce the temperature gradient between the tropics and the poles. Global warming will disable this flow faster than expected with severe weather effects.

Analysis of data collected from published studies indicates that while AMOC was relatively stable until the nineteenth century, the current structure of the ocean began to decline at the end of the Ice Age, i.e. after 1850.
The second decline occurred in the mid-twentieth century during the cold period from 1450 to 1850. There are reports that this circulation is almost disrupted due to natural causes such as solar activity. A small ice age that occurred mainly in North America. The correlation between the health of the Gulf Stream and the impact on the European climate is important and should never be underestimated.

February 26, 2021 (edit February 26, 2021 | 14:37)

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