The 2023 Arctic Report Card released a few days ago shows that the increasingly frequent extreme weather and climate events are transforming the Arctic, and human-induced warming of the atmosphere, oceans and land is affecting communities and ecosystems across the Arctic, which is warming faster than any other region in the world.
The report notes that the average temperature in the Arctic in 2023 will be -7, the sixth highest since 1900; The average temperature in the Arctic in summer is 64, the highest on record, breaking the highest record in the past 120 years. Data show that the average annual temperature in the Arctic has increased by 025. The average summer temperature rises by 0 per decade17℃。
Arctic sea ice **NASA on September 15, 2020
Affected by warming, the Arctic sea ice area continues to shrink, and the sea ice extent in 2023 is the sixth lowest since satellite records began in 1979, and the multi-year ice area is much smaller than in the 80s of the 20th century. Over the past 40 years, the shallow seas at the edge of the Arctic Ocean have warmed dramatically. On average, temperatures in these areas rise by about 2 in the satellite era, where warming of the atmosphere and sea water leads to a reduction in sea ice coverage, exposing larger areas of the ocean to direct sunlight, which in turn exacerbates warming. The mean sea surface temperature in August 2023 in the Barents, Kara, Laptev and Beaufort Seas was 5 to 7 higher than the average from 1991 to August 2020. Parts of Baffin Bay, the Greenland Sea and the Chukchi Sea were unusually cool in August. From 1982 to 2023, the average August sea surface temperature in ice-free areas of the Arctic Ocean increased by nearly 05℃。
Global temperatures increased in June 2020, especially in the Arctic region of Siberia. In addition to the Canadian archipelago, the Chukchi Sea and the Beaufort offshore, marine phytoplankton thrives in the Arctic Ocean, with the Eurasian Arctic and the Barents Sea being the most prominent. In 2023, tundra greenness across the Arctic ranked third in the 24-year satellite record. Where tundra used to exist in the Arctic, the abundance of shrubs, willows and alders continues to increase. Heavy rainfall events in many parts of the Arctic in 2023 broke existing records, with some of these changes, such as the summer drought in northern Canada, leading to record wildfire events, according to the report. Pan-Arctic precipitation was the sixth highest on record, continuing the trend of wetter Arctics. In addition, the Greenland ice sheet continues to decline, despite above-average winter snow cover in the Arctic. On June 26, 2023, the highest point of the Greenland ice sheet reached 039, which is the fifth melting experienced in the 34-year record. 
Changes in Arctic sea ice cover, with the blue line for 2020, the dotted line for 2012 for historical extremes, the black line for historical averages, and the light shaded areas for decile changes in sea ice cover, **from the U.S. Snow and Ice Data Center.
Arctic sea ice cover hit a record low in September 2012, with the areas outlined in purple being the historical average cover.
Studies have shown that since 2000, the Arctic has warmed at least twice as fast as the rest of the world, known as the "Arctic amplification effect" – the global warming caused by human activities is amplified at the poles, causing the Arctic to warm faster than the rest of the world. A variety of factors contribute to warming at high latitudes, but the main reason is that warming causes snow and ice to melt. It is understood that the "Arctic Report Sheet" is a peer-reviewed report, which has been released annually since 2006, and this year's report was completed by 82 researchers from 13 countries and regions. NOAA (National Oceanic and Atmospheric Administration).Compilation:Wu PengEdit:Yang Aoqing, Lin Yutong, Miao YanliAudit:Duan Haoshu.