Scientists called the consequences of underwater tsunamis for the entire ocean

Scientists on a research vessel in Antarctica observed the front of a glacier eroding. In that

At that moment, their instruments recorded an underwater tsunami.It turned out that they are the ones “responsible” for mixing the ocean. This process affects the temperature of water at different depths and how much ice the ocean can melt.

Group on board the UAS research shipRRS James Clark Ross took measurements of the ocean near the William Glacier, located on the Antarctic Peninsula. Previously, its front part had abruptly disintegrated into thousands of small pieces.

On the William Glacier there are usually one or twomajor destruction per year. Scientists estimate that about 78,000 m² of ice broke off this time (that's the area of ​​10 football fields). At the same time, the front part of the glacier rises 40 meters above sea level.

Before it broke off, the water temperature wasdiffered greatly at different depths of the ocean. And then the situation changed dramatically, and the temperature became more uniform. Previously, scientists believed that the reason for ocean mixing was winds and tides. “It did not occur to us that iceberg calving causes internal tsunamis,” the researchers conclude. This process affects where nutrients are found in the water, and this has implications for ecosystems and biodiversity.

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