Researchers use computer simulations to find the date and earthquake source of an ancient tsunami that deposited sediment in a Hawaii sinkhole.
paleoclimatology & paleoceanography
Posted inResearch Spotlights
Wave Ripples Spaced by Flow Downstream of Ripple Peaks
The well-known ratio between sand ripple spacing and wave-driven flow oscillations may be dictated by flow dynamics downstream of ripple crests.
Posted inScience Updates
Reading History From Afar
A look at the sedimentary record in northern Ethiopia tells the story of oceans past—and maybe future.
Posted inResearch Spotlights
Ancient Earthquakes Made an Island Rise and Fall
Observations track elevation changes of an island in the Kodiak Archipelago to past ruptures of the Alaska-Aleutian megathrust fault.
Posted inResearch Spotlights
Atmospheric Carbonyl Sulfide Hit a Minimum 5,000 Years Ago
A new ice core measurements-based record of a climate-active gas shows variability on millennial timescales.
Posted inNews
Traces of Glass-Eating Microbes Found in Ancient Lake Bed
A serendipitous discovery of tiny tunnels in lava that cooled rapidly under fresh water could help scientists search for life on Mars.
Posted inNews
Estuaries May Face Increased Parasitism as Sea Levels Rise
Researchers document how past sea levels changes affected invertebrate health in coastal environments.
Posted inNews
Tectonic Events May Have Triggered the Cambrian Explosion
A researcher proposes a tectonic mechanism that could have helped drive one of the biggest evolutionary events in history: the Cambrian Explosion.
Posted inResearch Spotlights
History of Storm Surge in Florida Strongly Underestimated
Florida’s sediment record reveals surprising new information about the frequency of large hurricanes hitting the state.
Posted inScience Updates
A Community-Driven Framework for Climate Reconstructions
Scientists involved with the Past Global Changes (PAGES) project have developed goals and recommendations for studying the paleoclimate of the past 2000 years.