Investigating oxalate minerals in the Atacama Desert provides a terrestrial analogue to test techniques that could be used to study the carbon cycle in the cold deserts of Mars.
proxies
Posted inResearch Spotlights
Japan's Volcanic History, Hidden Under the Sea
Scientists investigate marine tephra layers for clues to Japan's volcanic past.
Posted inResearch Spotlights
Early Agriculture Has Kept Earth Warm for Millennia
Ice core data, archeological evidence, and other studies suggest humans had a significant influence on Earth's preindustrial climate.
Posted inScience Updates
High-Resolution Tools Advance Study of Paleoclimate Archives
HiRes2015: High Resolution Proxies of Paleoclimate; Madison, Wisconsin, 31 May to 3 June 2015
Posted inResearch Spotlights
Correlating Monsoon Strength with Boron Isotopes
Scientists tell the story of the past monsoon by measuring boron isotopes in organisms in the Arabian Sea.
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 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 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
River Slope Connects Modern Topography with Ancient Tectonics
Scientists create models to help them figure out how the slope of a river can record ancient tectonic activity.
Posted inScience Updates
Quaternary Sea Ice Reconstruction: Proxy Data and Modeling
3rd Sea Ice Proxy Working Group Workshop: Sea Ice Proxy Synthesis and Data-Model Comparison; Bremerhaven, Germany, 23−25 June 2014