A new study shows why fine sediments in rivers are not simply proportional to the water flow across the United States.
sediments
Posted inEditors' Highlights
Warming and Agitation Intensify Seagrass Meadow Carbon Fluxes
Carbon dioxide emissions surge in sediments when temperature and agitation increase, both of which are likely to continue rising in degraded Mediterranean seagrass meadows.
Posted inNews
Lake Sediments Record North Carolina’s Coal Legacy
Coal ash–polluted lakes are in residential and recreational areas, invoking concern for the health of local residents and ecosystems.
Posted inNews
Ancient Nile Tributary May Have Aided Pyramid Construction
Pollen from sediment cores shows that a now dry channel cutting through Giza was once a flowing waterway that Egyptian pyramid builders could have used to transport supplies.
Posted inNews
What Can Zircons Tell Us About the Evolution of Plants?
The versatile mineral could contain evidence of the evolution of land plants and their effect on the sedimentary system.
Posted inResearch Spotlights
When Projecting Coastal Resilience, Sediment Compaction Is Key
The addition of new sediment helps build up lowland environments like deltas and marshes, but it also compacts materials beneath it—a vital, but often overlooked, factor in landscape evolution studies.
Posted inEditors' Highlights
Tracking Subsidence on Deltas With Fiber-Optics
Fiberoptic strain meters capable of measuring micron-scale subsidence reveal a Holocene sediment package on the Mississippi Delta that is mostly stable.
Posted inResearch Spotlights
The Fate of a Lake After a Dramatic Mining Disaster
Researchers tracked long-term sediment dynamics in Canada’s Quesnel Lake following the 2014 failure of a dam that spilled record-breaking amounts of contaminated mining waste.
Posted inEditors' Highlights
Probing the Sedimentology of a Continental Megathrust
Detailed analysis of sediments covering the Main Frontal Thrust in Nepal show how climate-driven baselevel changes affect sedimentation and should be considered when inferring thrust activity.
Posted inNews
Volcanic Winters Ushered in the Jurassic Reign of the Dinosaurs
Sediment cores from northwestern China reveal freezing conditions during the Late Triassic killed off many forms of life—but not dinosaurs.