Scientists say rapid melting of Antarctic glaciers could drastically slow the flow of water in the world's oceans, with catastrophic consequences for the global climate, the marine food chain and even the stability of ice shelves, Al Jazeera writes..

The " But deep-sea water flows from Antarctica could drop by 40% by 2050, according to a new study.. And the consequences of this will be felt for "

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According to Matthew England of the University of New South Wales, if the simulation predictions are correct, the deep water current will move "

As temperatures rise, fresh water from melting Antarctic glaciers enters the ocean, reducing the salinity and density of surface water and reducing downflow to the seafloor. In previous studies, scientists assessed how such circulation could affect the North Atlantic, they did not take into account the bottom circulation of water..

Simulations have shown that deep water circulation in the Atlantic could weaken twice as fast as in the North Atlantic. John Church of the University of New South Wales, who was not involved in the study, noted that there are many uncertainties associated with the impact of reduced deep ocean circulation..

“It seems almost certain that continuing on a path with high greenhouse gas emissions will lead to even deeper impacts on the ocean and climate system.. The world urgently needs to drastically cut emissions to get off the path we are currently on,” Church said..

" The Southern Ocean supports about three-quarters of the world's production of phytoplankton, which is at the base of the food chain.. Slowing down deep-sea currents near Antarctica could slow down the entire circulation and thereby reduce the amount of nutrients that rise from the ocean floor to its surface, scientists say..

Earlier, scientists from Stanford University said that the 130-kilometer flow of ice in the heart of the Thwaites Glacier, also called the Doomsday Glacier, could expand within 20 years.. And this, in turn, will lead to accelerated melting and sea level rise..