Interspersed layers of debris in some of Antarctica's glaciers give clues to ancient swings in climate.
paleoclimatology & paleoceanography
Posted inResearch Spotlights
What Drove Sea Surface Temperature Change During the Pleistocene?
New information suggests that atmospheric carbon dioxide concentration was just one of the main drivers of warming sea surface temperatures in the Pleistocene.
Posted inScience Updates
Developing Databases of Ancient Sea Level and Ice Sheet Extents
PALSEA2 Workshop;
Lochinver, Scotland, 16–22 September 2014
Posted inResearch Spotlights
Tracking Down a Subduction Zone Earthquake
Researchers use computer simulations to find the date and earthquake source of an ancient tsunami that deposited sediment in a Hawaii sinkhole.
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.