The well-known ratio between sand ripple spacing and wave-driven flow oscillations may be dictated by flow dynamics downstream of ripple crests.
proxies
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
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.