Meltwater pulse 1A, a period of rapid sea level rise after the last deglaciation, was powered by melting ice from North America and Scandinavia, according to new research.
Ice sheets
Posted inNews
Gravity Data Reveal Unexpected Antarctic Ice Variations
A new analysis of long-term satellite records shows the East Antarctic Ice Sheet is unexpectedly dependent on fluctuations in weather. This study may improve models of how much sea levels will rise.
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Cielos Despejados Sin Precedentes Condujeron a un Notable Deshielo en Groenlandia
A los científicos les preocupa que los modelos climáticos actuales no tomen en cuenta el impacto de las condiciones atmosféricas en la capa de hielo del Groenlandia, y en consecuencia, puedan subestimar drásticamente su derretimiento.
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Freshwater Pools Show Antarctica Is More Vulnerable Than We Thought
East Antarctica’s lakes cluster in patterns similar to those on Greenland’s ice sheet, which is melting rapidly.
Posted inResearch Spotlights
Mapping Ice Algal Blooms from Space
Satellite data reveal how colorful algae are melting the Greenland ice sheet.
Posted inResearch Spotlights
Subglacial Water Can Accelerate East Antarctic Glacier Flow
Airborne radar from the Recovery Glacier system demonstrates the importance of characterizing the underlying causes of ice flow speedup to understand how glacial discharge could change in the future.
Posted inResearch Spotlights
More Evidence Humans Migrated to the Americas via Coastal Route
A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
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Icebergs Reveal Contours of the Ocean Bottom
Using satellite imagery of grounded icebergs near Greenland, researchers estimate the drafts of these ice masses and therefore water depth, measurements that shed light on future sea level rise.
Posted inEditors' Vox
Icy Interactions
Complex interactions between ice sheets and other components of the Earth system determine how ice sheets contribute to sea level rise.
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Rare Glacial River Drains Potentially Harmful Lakes
Antarctic lakes have contributed to ice shelf breakup in the past, but a glacier in Greenland appears safe from a similar fate, thanks to a river that drains away water.