Frozen flume experiments reveal the sensitivity of permafrost riverbank erosion to water temperature, bank roughness, and pore-ice content.
erosion & weathering
Posted inNews
Plants Build Dunes but Can Speed Erosion During Severe Storms
When waves hit vegetated dunes, waterlogged areas form in front of plants, making for sand that’s easier to wash away. But you still need plants to form dunes in the first place.
Posted inEditors' Highlights
Dancing Dust on Comet 67P/Churyumov-Gerasimenko
Cometary activity moves sediments over the surface of 67P/Churyumov-Gerasimenko, with long-term sinks near the poles of the comet.
Posted inEditors' Highlights
Using Bayesian Inference to Improve Sediment-Transport Models
A new Bayesian approach is used for the estimation and uncertainty quantification of unobservable parameters required to model tracer evolution in ocean sediment transport and tracer concentrations.
Posted inResearch Spotlights
La química de los corales refleja la expansión económica del sudeste asiático
La erosión del suelo derivada del desarrollo económico mueve sedimentos hacia el mar del sur de China y también hacia los esqueletos de los corales.
Posted inNews
Supersized Potholes Discovered off South African Coast
Curious circular pits off South Africa’s Eastern Cape coast are larger than any similar feature previously recorded. Their origin remains a morphological mystery.
Posted inResearch Spotlights
Coral Chemistry Reflects Southeast Asia’s Economic Expansion
Soil erosion from economic development sent sediments into the South China Sea—and into coral skeletons.
Posted inEditors' Highlights
Delta Degradation Leads to Exacerbated Greenhouse Gas Emissions
Seismic ship surveys and seabed elevation maps of the Yangtze subaqueous delta reveal how the reduction of sediment supply to the coastal ocean can trigger increased greenhouse gas emissions.
Posted inNews
Silicate Weathering Throttles the Global Thermostat
The natural breakdown of some rocks sucks carbon dioxide out of the atmosphere. Knowing how quickly it happens could help scientists engineer solutions to the climate crisis.