• "Límites del hielo del Mar Ártico en su segundo registro más bajo" (10 de septiembre de 2016) • ❄ • "Arctic sea ice minimum Ties Second Lowest on Record" (September 10, 2016) • 🖌 Crédito ilustración • Ilustration credit:
"Arctic sea ice appeared to reach its annual minimum extent on September 10, 2016, NASA and the National Snow and Ice Data Center (NSIDC) reported today. An analysis of satellite data showed that sea ice around the North Pole shrank to 4.14 million square kilometers (1.60 million square miles). The 2016 sea ice minimum is effectively tied with 2007 for the second lowest in the satellite record. Since satellites began monitoring sea ice in 1979, researchers have observed a decline in the average extent of Arctic sea ice in every month of the year.
The map above shows the extent of Arctic sea ice on September 10, 2016. Extent is defined as the total area in which the ice concentration is at least 15 percent. The map was compiled from observations by the Advanced Microwave Scanning Radiometer 2 (AMSR-2) sensor on the Global Change Observation Mission 1st'“Water satellite operated by the Japan Aerospace Exploration Agency (JAXA). The yellow outline shows the median sea ice extent observed in September from 1981 through 2010.
The sea ice cover on the Arctic Ocean and surrounding seas regulates the planet's temperature, influences the circulation of the atmosphere and ocean, and affects life in Arctic communities and ecosystems. The ice cap shrinks every year during the spring and summer until it reaches its minimum extent in September. Sea ice grows during the late autumn and winter months, when the Sun is below the horizon in the Arctic Circle." • Excerpts of the explanation in "App NASA"