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Showing 1–10 of 10 results
Advanced filters: Author: Christoph C. Raible Clear advanced filters

  • Palaeoclimate temperature records are dominated by Northern Hemisphere reconstructions. This study introduces a new Southern Hemisphere millennial temperature reconstruction from terrestrial and oceanic proxy records. This highlights the asynchronicity of temperature fluctuations across the two hemispheres, which should be taken into consideration in climate models and projections.

    • Raphael Neukom
    • Joëlle Gergis
    • David Frank
    Research
    Nature Climate Change
    Volume: 4, P: 362-367

  • Seamless quantification of past and present climate variability is needed to understand the Earth’s climate well enough to make accurate predictions for the future. This study addresses whether tree-ring-dominated proxy data properly represent the frequency spectrum of true climate variability. The results challenge the validity of detection and attribution investigations based on these data.

    • Jörg Franke
    • David Frank
    • Stefan Brönnimann
    Research
    Nature Climate Change
    Volume: 3, P: 360-364

  • A group of older women in Switzerland has taken the government to court over its inaction on climate change. Our experience of preparing evidence for the case offers six lessons for researchers.

    • Charlotte E. Blattner
    • Ana M. Vicedo-Cabrera
    • Judith Wyttenbach
    Comments & Opinion
    Nature
    Volume: 621, P: 255-257

  • Large volcanic eruptions in the first half of the nineteenth century blurred the transition from the Little Ice Age to anthropogenic warming, and led to sustained cooling, drought in Africa and weakened monsoons, suggests a combination of observations and model simulations.

    • Stefan Brönnimann
    • Jörg Franke
    • Christoph C. Raible
    Research
    Nature Geoscience
    Volume: 12, P: 650-656

  • Various studies indicate that the hydrological cycle is speeding up at high northern latitudes. The resulting increase in freshwater flow into the Arctic Ocean is predicted to have long-range effects.

    • Thomas F. Stocker
    • Christoph C. Raible
    News & Views
    Nature
    Volume: 434, P: 830-833

  • Anthropogenic global warming is likely to be amplified by positive feedback from the global carbon cycle; however, the magnitude of the climate sensitivity of the global carbon cycle, and thus of its positive feedback strength, is under debate. By combining a probabilistic approach with an ensemble of proxy-based temperature reconstructions and pre-industrial CO2 data from three ice cores, this climate sensitivity is now shown to be much smaller than previously thought.

    • David C. Frank
    • Jan Esper
    • Fortunat Joos
    Research
    Nature
    Volume: 463, P: 527-530

  • The North Atlantic Oscillation (NAO) is an important source of climate variability in the Northern Hemisphere; here, a model-tested reconstruction of the NAO for the past millennium reveals that positive NAO phases were predominant during the thirteenth and fourteenth centuries, but not during the whole medieval period.

    • Pablo Ortega
    • Flavio Lehner
    • Pascal Yiou
    Research
    Nature
    Volume: 523, P: 71-74