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El gráfico muestra la extensión de hielo marino del Ártico para el 16 de septiembre, 2021, y la comparación con el promedio de extensión del hielo en 1981-2010.
GN41836ES

CLIMA

Temores de invierno frío por pérdida de hielo marino en el Ártico

By Jordi Bou

October 1, 2021 - Una extensión de hielo marino del Ártico menor de la normal para esta época del año podría debilitar el vórtice polar sobre el Polo Norte, desencadenando este invierno clima gélido a través de Europa, que sufre desafíos energéticos.

Arctic sea ice extent reached its minimum for the year at 4.72m square kilometres, on Sep 16, according to the U.S. National Snow and Ice Data Center.

This is the 12th lowest in a satellite record stretching back 43 years, the NSIDC says, with the past 15 years seeing the 15 smallest sea ice minima.

Scientists believe reduction of Arctic sea ice allows more heat to escape from the ocean, weakening the polar vortex that contains icy air above the North Pole and causing surges of frigid air to splinter off and drift south.

Sources
PUBLISHED: 02/10/2021; STORY: Graphic News
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