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Glacial motion can be fast (up to 30 metres per day (98 ft/d), observed on Jakobshavn Isbræ in Greenland) [1] or slow (0.5 metres per year (20 in/year) on small glaciers or in the center of ice sheets), but is typically around 25 centimetres per day (9.8 in/d).
The Laurentide ice sheet (LIS) was a massive sheet of ice that covered millions of square miles, including most of Canada and a large portion of the Northern United States, multiple times during the Quaternary glaciation epochs, from 2.58 million years ago to the present.
The glacier encounters more bumps due to its higher speed and, since ice moving at a higher speed is less able to maintain connection with the bedrock, faster moving glaciers are more likely to form cavities when passing over bumps. [2] [1] This increases the subglacial space which can be filled with water, decreasing basal water pressure. [7]
Billy See, incident commander for Cal Fire, said the fire is advancing at 4,000 to 5,000 acres per hour but with winds forecast to die down overnight and higher humidity moving into the area, See ...
The rapid retreat of the Cordilleran ice sheet is a focus of study by glaciologists seeking to understand the difference in patterns of melting in marine-terminating glaciers, glaciers whose margin extends into open water without seafloor contact, and land-terminating glaciers, with a land or seafloor margin, as scientists believe the western ...
Fire tornadoes were spotted as the Palisades fire blazed through the San Fernando Valley in California on 10 January 2025. Winds peaked at over 70mph (112km/h) in a few spots on Friday however the ...
LOS ANGELES — A fast-moving wildfire fueled by dangerously high-speed Santa ... closed through at least Jan. 13. ... at Topanga Canyon Boulevard due to the fire, according to the California ...
From January 7 to 31, 2025, a series of 7 destructive wildfires affected the Los Angeles metropolitan area and San Diego County in California, United States. [5] The fires were exacerbated by drought conditions, low humidity, a buildup of vegetation from the previous winter, and hurricane-force Santa Ana winds, which in some places reached 100 miles per hour (160 km/h; 45 m/s).