Researchers explored past precipitation in India using shells from very large land snails collected there in 1918 and preserved in a British museum.
Geochemical tracers
Improving Our Understanding of El Niño in a Warm Climate
A new study seeks to bring together the strongest features of proxy data and climate models to reduce uncertainties in reconstructions of past El Niño behavior.
Sediment Cores Reveal Ocean Current’s Past Life
East Asia’s Black Current may have rerouted in the past 10,000 years or so.
Reconstructing the Ocean's Murky Past
Scientists test whether sparse, indirect data can reveal ancient ocean chemistry and circulation patterns.
