Arctic landscapes with spots of disconnected permafrost erode faster than those with continuous permafrost, a new study finds.
erosion & weathering
Posted inScience Updates
A Snow Machine Traverse Connects Arctic Coastal Communities
A scientific expedition connected community perspectives, landscape conditions, and coastal hazards across nearly 3,200 kilometers of Alaska coastline.
Posted inEditors' Vox
Decoding Rocks to Reveal What the Critical Zone Hides
Rock physics models translate geophysical measurements into volumetric rock and fluid properties to quantify weathering trends, water storage, and architecture within Earth’s critical zone.
Posted inEditors' Highlights
Southeast Tibet Grew in Pulses, Not All at Once
Mineral cooling ages reveal three pulses when uplift and erosion exposed deeper rocks, showing that Southeast Tibet grew outward, step by step, over roughly 80 million years.
Posted inResearch Spotlights
Extensive Sand Dune Loss Threatens California Coast
Aerial photos combined with lidar data show the extent of the problem.
Posted inResearch & Developments
Sand Demand Outpaces Sustainable Extraction
Demand for sand in the building sector is expected to rise 45% by the year 2060, outpacing current efforts to sustainably harvest it.
Posted inResearch Spotlights
How to Study Coastal Evolution
Researchers reviewed what’s known about how coastlines are changing and made recommendations for how to learn more.
Posted inEditors' Highlights
An Ancient Landscape Beneath the East Antarctic Ice Sheet
Geophysical observations of the subglacial topography of Coats Land reveal a landscape formed by tectonics and fluvial erosion that influenced the formation of the East Antarctic Ice Sheet.
Posted inNews
Volcanism Could Lead to Less, Not More, Atmospheric CO₂
The atmospheric concentration of carbon dioxide temporarily fell by 50% immediately preceding a period of intense volcanism, likely because of increased weathering, new results reveal.
Posted inEditors' Vox
Rates of Mineral Dissolution from the Flask to Enhanced Weathering
Assessing the rate that weathering could draw carbon dioxide out of the atmosphere requires understanding why lab- and field-based rate measurements differ by orders of magnitude.