An analysis of sediment cores indicates that North Atlantic waters were relatively warm and continued to circulate even under major climate stress during the Last Glacial Maximum.
sediments
Posted inNews
How the Rise of a Salty Blob Led to the Fall of the Last Ice Age
Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.
Posted inNews
New Eyes on One of the Planet’s Largest Submarine Landslides
Researchers have mapped the ancient Stad Slide off the coast of Norway to better understand what triggered it, and the hunt is on for the tsunami it might have unleashed.
Posted inNews
Glass Sand Grows Healthy Mangroves
In places with lots of glass waste, sand made from recycled material could be another tool in the coastal restoration toolbox.
Posted inNews
Glacier Runoff Becomes Less Nutritious as Glaciers Retreat
Sediment from retreating, land-terminating glaciers contains proportionally fewer micronutrients such as iron and manganese, reducing the glaciers’ value to microorganisms at the base of the food web.
Posted inNews
Sediments Hint at Large Ancient Martian Moon
Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times the mass of Phobos, a study says.
Posted inNews
When Cascadia Gives Way, the San Andreas Sometimes Follows
Roughly half of the earthquakes that occurred along the southern Cascadia subduction zone over the past 3,000 years were temporally associated with earthquakes along the northern San Andreas fault.
Posted inResearch Spotlights
Tectonics and Climate Are Shaping an Alaskan Ecosystem
Biogeochemical research reveals the web of forces acting on a high-latitude microbe community in the Copper River Delta.
Posted inResearch Spotlights
New 3D Model Reveals Geophysical Structures Beneath Britain
Using magnetotelluric data to identify subsurface electrically conductive and resistive areas, scientists can identify underground features and predict how space weather may affect infrastructure.
Posted inNews
Spiky Sand Features Can Reveal the Timing of Ancient Earthquakes
Icicle-shaped features known as sand dikes form during ground shaking. New work reveals how these features can be used to date long-ago earthquakes.