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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 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 ...
Atlas of Palaeovegetation: Preliminary land ecosystem maps of the world since the Last Glacial Maximum. Oak Ridge National Laboratory, TN. Archived from the original on 2008-01-16. "Map and GIS database of glacial landforms and features related to the last British Ice Sheet". BRITICE. Department of Geology, University of Sheffield. 2004.
Glacier melt records were shattered in the European Alps, with average loss of three to four metres of ice thickness throughout the mountain range – substantially more than the previous record ...
The outflow from the melting glaciers filled Lake Agassiz and then drained through the gap to the Gulf of Mexico. This mass of moving water eroded a valley 2–5 kilometres (1.2–3.1 mi) wide and from 100 to 125 feet (30 to 38 m) deep.
When the Laurentide ice sheet progressed through the process of deglaciation, it created many new landforms and had various effects of the land. First and foremost, as huge glaciers melt, there is a consequently large volume of meltwater. The volumes of meltwater created many features, including proglacial freshwater lakes, which can be sizable ...
Researchers combed through hundreds of thousands of historical photos of Greenland's coastal glaciers to identify new trends. Greenland glaciers are melting twice as fast as they did in the 2000s ...
The impact of so-called “meltwater” on how fast Antarctic glaciers melt is not yet taken into account. The study, from The Scripps Institution of Oceanography, suggests that glacier melting ...