Sea Ice Today - National Snow and Ice Data Center
2024年11月4日 · Obtain daily sea ice extent values, ranges, and median values for the Arctic or the Antarctic. Analyze monthly-averaged or daily sea ice extent and concentration via interactive maps. Plot monthly ice extent anomalies, map sea ice concentration anomalies, and more.
Current State of Sea Ice Cover | Earth - NASA
5 天之前 · The sea ice cover is one of the key components of the polar climate system. It has been a focus of attention in recent years, largely because of a strong decrease in the Arctic sea ice cover and modeling results that indicate that global warming is amplified in the Arctic on account of ice-albedo feedback.
Ice shelf - Wikipedia
Ice shelves are found in Antarctica and the Arctic (Greenland, Northern Canada, and the Russian Arctic), and can range in thickness from about 100–1,000 m (330–3,280 ft). The world's largest ice shelves are the Ross Ice Shelf and the Filchner-Ronne Ice Shelf in Antarctica.
Arctic ice pack - Wikipedia
The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. 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.
The Science of Ice Shelves | National Snow and Ice Data Center
Ice shelves form in areas where cold ocean water lies next to a large continental glacier or ice sheet that reaches the sea. Under cooling or cold conditions, the ice that reaches the sea will flow out over the ocean, floating as a thick ice plate on top of it.
Quick Facts About Ice Shelves - National Snow and Ice Data Center
Ice shelves are floating tongues of ice that extend from glaciers grounded on land. The height of the Antarctica's largest ice shelf, the Ross Ice Shelf, looms in the background with sea ice spreading in front. — Credit: National Oceanic and Atmospheric Administration (NOAA) How do ice shelves form?
Enhanced wind mixing and deepened mixed layer in the Pacific Arctic …
2 天之前 · Sea ice regime shift. The sea ice in the Pacific Arctic shelf seas often started retreating at the end of March and completely melted or reached the annual minimum extent in September 6,36,37 ...
A great Arctic ice shelf - Nature
2016年2月3日 · Jakobsson et al. 3 report evidence of a one-kilometre-thick ice shelf (grey region) that covered the entire Arctic basin during the penultimate glaciation. Blue arrows indicate feeding ice...
(PDF) Arctic Ice Shelves: An Introduction - ResearchGate
2017年6月1日 · Arctic ice shelves are restricted to several archipelagos fringing the Arctic Ocean and to a few Greenland fjords. The Ward Hunt Ice Shelf is the largest at about 400 km2. Arctic and...
Arctic fossils indicate ice shelf is not as stable as previously ...
2024年8月5日 · Scientists are warning of a catastrophic sea level rise if the ice in the Arctic melts, a very real possibility. The Arctic is the front line for climate change and the melting could have catastrophic effects on the rest of the world, experts say.