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Despite the Lies, the Spin, and the Propaganda, Antarctic Sea Ice is Growing — both Extent and Concentration Greater Now than in 1980, LATEST UAH Temperature 1979 thru Nov 2020 (+0.53C), Latest Northern Hemisphere Snow Mass Totals, Why Carbon Dioxide Can’t Cause Warming In The Atmosphere, by Professor Emeritus of Geology at Western Washington University, Iceland is Rocking — 9,000 Earthquakes in 10 Days, Nishino-shima Volcano, Japan Erupts to 27,230 ft (8.3 km) — its highest since 2013 (Video), Substantial Early-December Snow Forecast to Blanket the UK and Europe: 11 foot (3.28 metres) predicted in the Alps, “Fifteen Shades of Climate” by Dr. John Maunder, Delhi suffers Coldest month of November in 71 years, since before the birth of the Indian Republic. The simulations indicate that for the West Antarctic Ice Sheet to regrow to its modern extent, temperatures would need to drop to at least 1 degree Celsius below preindustrial times. Updated 1/28/2020. This graph shows each year’s minimum ice extent—the lowest daily extent of the year—since the start of the satellite record in 1979. As it does in the Arctic, the surface of the ocean around Antarctica freezes over in the winter and melts back each summer. Notify me of follow-up comments by email. At the other end of the world, Antarctic sea ice is approaching its winter maximum, which occurs a few weeks later. Robert Felix over at dives into the data, adding that sea ice extent today stands at 700,000 sq km (270,272 sq miles) greater than in 1980. The years 2012, 2013, and 2014 brought record highs; 2017 and 2018 brought record lows. Reblogged this on Climate Collections. Daily Polar Sea Ice Area with Monthly Ice Extent, 1988 to 2020 [OC] OC. For example, sea ice retreat in the Weddell Sea along the northern tip of the Antarctic Peninsula probably contributed to Larsen Ice Shelf losses. Accessed April 7, 2020. The 1981 to 2010 median is in dark gray. Sea ice concentration in June 2020 = 10.6 million sq km Sea ice concentration in June 1980 = 9.6 million sq km. Antarctic sea ice extent on 10 th August 2020 was 17.36 million square km, 0.16 million square km below the 1981-2010 average. Even NASA appear to agree, if you read between the lines, with their forecast for this upcoming solar cycle (25) seeing it as “the weakest of the past 200 years,” with the agency correlating previous solar shutdowns to prolonged periods of global cooling here. Left: Average Antarctic sea ice cover for January 20192020. 25.0k. Antarctic sea ice extent reached 4.6 million km2 on average in January 2020, which was 0.9 million km2 (or about 17%) below the 1981-2010 average for January. UK’s highest recorded temperature for this day was the 18.3C (65F) set at Achnashellach (Highland) in 1948. When the ice is gone, ocean waves can flex the shelf and make it more vulnerable to disintegration. Sea ice extent in June 2020 = 13.2 million sq km Sea ice extent in June 1980 = 12.5 million sq km. We particularly encourage submissions for the Alaska region (i.e., Bering, Chukchi, and Beaufort seas). The region south and west of the Antarctic Peninsula has shown a persistent decline, but this downward trend is small compared to the high variability of Antarctic sea ice overall. Oh, and throw in Washington, D.C. for good measure. Latest daily Arctic sea ice extent (JAXA AMSR2) for 2020. Figure 4. The site receives ZERO funding, and never has. Long story short: Climate change has a discernible influence on Arctic sea ice, but it has a complicated, messy influence on Antarctic sea ice. Figure 8a. Midway through 2015, Antarctic sea ice was exhibiting values closer to the 1981–2010 average. In 2019, both the minimum and maximum extents fell below the 1981–2010 average, but neither was a record low for that time of year. On average, about 40 percent of the Arctic Ocean’s winter ice cover remains at the summer minimum, whereas in the Southern Ocean only about 15 percent does. Many of the differences between Arctic and Antarctic sea ice extents result from the polar regions’ different land-ocean configurations. Each component is interpretable and, when combined, gives a complete picture of the variation in the sea ice. State of the Cryosphere: Sea Ice, National Snow and Ice Data Center. In 2012, 2013, and 2014, yearly maximum extents (occurring in September) were successively the highest on record. Because it forms at lower, warmer latitudes, less Antarctic sea ice survives the summer. According to the National Snow and Ice Data Center’s Sea Ice Index, as of early April 2020, Antarctic sea ice showed a slightly positive long-term trend in all months but November, which showed a slightly negative trend. Since satellite-based measurements began in the late 1970s, Antarctic sea ice extent has shown high year-to-year variability. Use the top graph to select specific years to display in the map. (Which might be a good idea.). Then Antarctic sea ice began to fall below the long-term range of variability (encompassing 80 percent of the range of values around the 1981–2010 average). These changes largely result from the geographic differences mentioned above, namely Antarctic sea ice’s distance from the pole (sea ice can melt back all the way to the coast in summer, making for less year-to-year variability) and unconstrained growth potential in winter. Sea ice forms over the North Pole itself—the hemisphere’s coldest latitudes—but its expansion is checked by Eurasia, North America, and Greenland. The graph above shows Antarctic sea ice extent as of May 5, 2020, along with daily ice extent data for four previous years and the record high year. From the start of satellite observations in 1979 to 2014, total Antarctic sea ice increased by about 1 percent per decade. Warmer conditions on land affect the nearby ocean, and more sea ice melts as a result. This app displays the monthly mean sea ice extent for the Arctic and Antarctic along with the historical median extent. Replace "global" with "arctic" sea ice and that's what the graph on the left represents. Sea ice extent for September 2020 was 3.85 million square km, the second lowest on record (after 2012). Posted by. This was the 13 th lowest extent for this date in the satellite record, the lowest having been 16.54 in 1986 (Figure 6). For the Arctic, the median June Outlook for September 2020 sea-ice extent is 4.33 million square kilometers, with quartiles of 4.06 and 4.59 million square kilometers. 2020 is shown in blue, 2019 in green, 2018 in orange, 2017 in brown, 2016 in purple, and 2014 in dashed brown. Abstract. Prepare accordingly — learn the facts, relocate if need be, and grow your own. Antarctic sea ice extends to about 7 million square miles in winter, versus 6 million square miles in the Arctic; the Antarctic summer minimum is about 1 million square miles versus 2.5 million square miles for the Arctic. SAM also has a relationship with the Amundsen Sea Low, which exerts a complex influence on sea ice transport on the western side of the Antarctic Peninsula. Driven by natural oscillations feet ) or less on average, Antarctica sea ice does melt away in... And never has by land less Antarctic sea ice is increasing because it 's around! Extents from the polar regions ’ different land-ocean configurations the antarctic sea ice extent 2020, 1990s, 2000s, and seawater subsequently. Each year ’ s Charctic on 10 th August 2020 was 17.36 square! Extent for September 2020 was 17.36 million square km, 0.16 million square km, 0.16 square! 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