A new study explores a possible proxy for seasonal freshwater input that could elucidate changes in alpine snowpack as the planet warms.
paleoclimatology & paleoceanography
Cool Oasis for Cretaceous Feathered Dinosaurs
A new study found that the Jehol Biota had chilly temperatures and high altitudes when feathered dinosaurs roamed the slopes.
Small Climate Changes Could Be Magnified by Natural Processes
A new study uses modeling techniques to uncover how small incidents of warming may be turned into hyperthermal events lasting thousands of years.
Swipe Left on the “Big One”: Better Dates for Cascadia Quakes
Improving our understanding of hazards posed by future large earthquakes on the Cascadia Subduction Zone requires advancements in the methods and sampling used to date and characterize past events.
Sedimentary Tepees Record Ocean Chemistry
Sedimentary structures from evaporative coastal environments indicate carbonate saturation, offer insight in mid-Mesozoic ocean chemistry and potentially even earlier times.
Exploring the Dramatic Shift in Ice Age Duration
Scientists are still seeking an explanation for the Mid-Pleistocene Transition when ice ages became longer in duration and exploring what it may mean for future climate change.
Tiny Kinks Record Ancient Quakes
As Earth ruptures, micas kink. These kink bands hide in rocks millions of years old, preserving evidence of past quakes.
Hydrothermal Vents May Add Ancient Carbon to Ocean Waters
Data from a long-distance research cruise provide new insights into carbon cycling in the eastern Pacific and Southern Oceans.
Russell Receives 2020 Paleoceanography and Paleoclimatology Willi Dansgaard Award
James M. Russell received the 2020 Willi Dansgaard Award at AGU’s virtual Fall Meeting 2020. The award is given in recognition of “high research impact, innovative interdisciplinary work, educational accomplishments, such as mentoring, or positive societal impact” and “exceptional promise for continued leadership in paleoceanography and paleoclimatology.”
Cutting to the Core
In our July issue, Eos looks at the collection, study, and storage of cores—from sediment drilled up from the age of the dinosaurs to tree rings as big as a house.
