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Showing 1–5 of 5 results
Advanced filters: Author: Sepp Kipfstuhl Clear advanced filters

  • Historical aerosol forcing from large volcanic eruptions are reconstructed from sulphate deposition measured in ice cores. This study updates these records by using a more extensive collection of Antarctic ice cores, which provide new records and accurate dating of published records. The results show that prior to the year 1500 the reconstructions were either previously overestimating global aerosol forcing by 20–30% or underestimating it by 20–50%. This has implications for estimates of climate sensitivity.

    • Michael Sigl
    • Joseph R. McConnell
    • Mirko Severi
    Research
    Nature Climate Change
    Volume: 4, P: 693-697

  • Water isotope modelling is an important tool in climate reconstructions, but there remain gaps in our understanding of the effects upon oxygen and hydrogen isotope fractionation, and thus the source of the deposited signal. Here, the authors present a dataset assembled over two years that shows deuterium excess is controlled by humidity and sea surface temperature, and oxygen and hydrogen isotopes as well as deuterium excess are controlled by sublimation of snow in sea-ice regions.

    • Jean-Louis Bonne
    • Melanie Behrens
    • Martin Werner
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-10

  • The Antarctic Peninsula is one of the most rapidly warming regions on Earth. A reconstruction of ice melt from an ice core taken near the northeastern tip of the peninsula over the past 2,000 years shows that surface melt has accelerated during the twentieth century.

    • Nerilie J. Abram
    • Robert Mulvaney
    • Carol Arrowsmith
    Research
    Nature Geoscience
    Volume: 6, P: 404-411

  • A continuous, multi-century record of subarctic Atlantic marine productivity shows that a marked decline in net primary productivity has occurred across the subarctic Atlantic basin over the past two centuries.

    • Matthew B. Osman
    • Sarah B. Das
    • Eric S. Saltzman
    Research
    Nature
    Volume: 569, P: 551-555