Increased reflection of incoming sunlight by clouds led one current-generation climate model to predict unrealistically cold temperatures during the last ice age.
Glacial
Posted inNews
Antarctic Ice Cores Offer a Whiff of Earth’s Ancient Atmosphere
Bubbles of greenhouse gases trapped in ice shed new light on an important climate transition that occurred about a million years ago.
Posted inResearch Spotlights
Atlantic Circulation Consistently Tied to Carbon Dioxide
Past ocean surface conditions suggest that over the past 800,000 years, atmospheric carbon dioxide levels typically rose on millennial timescales when Atlantic overturning was weaker and vice versa.
Posted inResearch Spotlights
Mapping Subglacial Meltwater Channels
Researchers find that past studies underestimate the friction meltwater channels exert on glaciers by orders of magnitude.
Posted inNews
Ice Drove Past Indo-Pacific Climate Variance
Researchers used both terrestrial and marine proxy data to reconstruct the dramatic and dynamic climatic changes.
Posted inEditors' Highlights
“North Pacific Nutrient Leakage” During Glacials
Carbon isotope data suggest an alternative source of nutrients to the Eastern Equatorial Pacific during glacial periods.
Posted inResearch Spotlights
Reconstructing the Ocean's Murky Past
Scientists test whether sparse, indirect data can reveal ancient ocean chemistry and circulation patterns.
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.