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Showing 1–5 of 5 results
Advanced filters: Author: Mathis P. Hain Clear advanced filters

  • Global climate and the atmospheric partial pressure of carbon dioxide are correlated over recent glacial cycles, with lower partial pressure of carbon dioxide during ice ages, but the causes of the changes in the partial pressure of carbon dioxide are unknown. Here the authors review the evidence in support of the hypothesis that the Southern Ocean is an important driver of glacial/interglacial changes in the partial pressure of carbon dioxide.

    • Daniel M. Sigman
    • Mathis P. Hain
    • Gerald H. Haug
    Reviews
    Nature
    Volume: 466, P: 47-55

  • The role ice sheets play in the silica cycle over glacial−interglacial timescales remains unclear. Here, based on the measurement of silica isotopes in Greenland meltwater and a nearby marine sediment core, the authors suggest expanding ice sheets considerably increased isotopically light silica in the oceans.

    • Jon R. Hawkings
    • Jade E. Hatton
    • Martyn Tranter
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-10

  • Reconstructed changes in North Atlantic nitrogen fixation over the past 160,000 years have a 23,000-year cycle that is interpreted to result from precession-paced changes in the supply of phosphorus to surface waters by equatorial Atlantic upwelling.

    • Marietta Straub
    • Daniel M. Sigman
    • Gerald H. Haug
    Research
    Nature
    Volume: 501, P: 200-203