The mean sea ice volume and standard deviation for the period 2004-2013 are shown by … Fig 5. According to official government data from the National Snow & Ice Data Center (NSIDC), Arctic Sea Ice is once again GROWING, with current 2020 levels exceeding 8 out of the previous 10 years. A view of the Arctic Ocean with monthly average sea ice thickness spanning November 2018 to March 2019. Summer ice cover in the Arctic is about 50% of winter cover. And the 2nd image shows monthly averages of ice thickness, being a simple division of volume by NSIDC area and extent. Some of the ice survives from one year to the next. Snow depth is related to freeboard differences by the refractive index/bulk density of the snow layer—the only free parameter in the approach.
PIOMAS Ice Thickness Anomaly for May 2020 relative to 2011-2018. PIOMAS-Monthly Average Thickness 1979 to 2019.png (108.08 kB, 1009x453 - viewed 53 times.) On March 13, 2019, Arctic sea ice likely reached its maximum extent for the year, at 14.78 million square kilometers (5.71 million square miles), the seventh lowest in … Lasse says: October 21, 2018 at 3:00 pm. Feature | September 23, 2019 2019 Arctic Sea Ice Minimum Tied for Second Lowest on Record Arctic sea ice likely reached its 2019 minimum extent on Sept. 18. vol-5.png (40.07 kB, 617x470 - viewed 2416 times.) Reply. These estimates cover the period between 14 October 2018 and the end of April 2019. Important information! The Arctic ice pack undergoes a regular seasonal cycle in which ice melts in spring and summer, reaches a minimum around mid-September, then increases during fall and winter. facebook; tweet; google+ ; Post Views: 13,964. The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. Albedo has small function when the clouds govern during the summer. Trends in sea ice thickness are another important indicator of Arctic climate change. Figure 1. R Shearer says: … 95% of lies. Arctic is melting, Northern Sea Route soon to be ice-free all year-long, Global Warming is here and now – look at Arctic ice… so on and so forth. On Arctic ice “melting”. DMI recent Arctic sea ice extent and thickness.

Andy May / February 24, 2019. Oden (an icebreaker) was there this summer and a blog welcomed the sun when they left the area after two months. Low values are depicted in light blue, and higher values (5 … Another month has passed, and so here is the updated Arctic sea ice volume graph as calculated by the Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) at the Polar Science Center: November 2019 saw an above average sea ice volume increase according to PIOMAS (3834 vs 3553 km3 for the 2007-2018 period). At 1.60 million square miles (4.15 million square kilometers), this year's summertime extent is effectively tied for the second in the satellite record, according to NASA and the National Snow and Ice Data Center. Guest Post by Javier . The average thickness is calculated for the PIOMAS domain by only including locations where ice is thicker than .15 m. Fig 6. February is not over, and Arctic sea-ice extent is already over half a million square kilometers higher than last year at this day. This is the 5th lowest value for this date on record. There is nothing catastrophic, alarming, or even a little worrisome about this data, and it comfortably puts to bed the “prophecies of doom” perpetuated on a daily basis across the western media. We present a first examination of Arctic sea ice snow depth estimates from differencing satellite lidar (ICESat‐2) and radar (CryoSat‐2) freeboards. PIOMAS December 2019. Arctic sea ice extent on 19th June 2019 was 10.48 million square km according to data from the US National Snow and Ice Data Center (NSIDC).

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