Dam-building has decreased the amount of sediment transported by rivers, while land use changes have increased the amount.
erosion & weathering
Posted inResearch Spotlights
Small Catchments Sustain Silicon Signatures Following Storms
Watersheds have unique patterns of silicon export due to differences in subsurface water routing and biogeochemical reactions.
Posted inEditors' Highlights
The Lost Topography Around Continental Rifts
Numerical models provide quantitative constraints on topography lost to erosion, showing how the sediment influx in a sedimentary basin reflects its tectonic and topographic evolution.
Posted inEditors' Highlights
Extreme Lithium Isotope Fractionations During Intense Weathering
Extreme lithium fractionation is observed when primary minerals in andesite are transformed to secondary clay minerals and then to oxides with intensive chemical weathering in a tropical climate.
Posted inResearch Spotlights
Biological Crusts Affected by Drought Can Still Stabilize Soils
Results of in situ experiments on natural microbial communities suggest that biological crusts can protect soils from erosion, but their protective role could be compromised under predicted future climate scenarios.
Posted inNews
African World Heritage Sites Jeopardized by Rising Seas
Worsening flooding and erosion threaten places of “outstanding universal value” along the continent’s coastlines.
Posted inResearch Spotlights
¿Es Venus volcánicamente activo? Nuevo enfoque podría proporcionar una respuesta
Una estrategia que combina la cartografía geológica con datos sobre cómo la superficie del planeta emite y absorbe la radiación de microondas podría potencialmente identificar flujos de lava recientes.
Posted inNews
What a Gold Mining Mishap Taught Us About Rivers
Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
Posted inNews
Drones and Crowdsourced Science Aid Great Lakes Data Collection
Important data collection can aid coastal monitoring and management.
Posted inResearch Spotlights
New Theory Connects Tree Uprooting and Sediment Movement
Tree throw from extreme wind events plays an important role in the movement of sediment and erosion on forested hillslopes. A new theory offers a novel way to measure its impact.