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Showing 1–10 of 10 results
Advanced filters: Author: Harry J. Dowsett Clear advanced filters

  • The equilibrium response of global temperatures to an increase in atmospheric carbon dioxide concentrations is difficult to quantify. Simulations and proxy data of the mid-Pliocene warm climate suggest that the response is 30 to 50% higher than traditionally calculated when slowly adjusting components of the Earth system, such as ice sheets and vegetation, are included in the estimate.

    • Daniel J. Lunt
    • Alan M. Haywood
    • Harry J. Dowsett
    Research
    Nature Geoscience
    Volume: 3, P: 60-64

  • Sea-surface-temperature proxy data for a period of natural climate warming during the Pliocene are used in this study to show how palaeoclimatic data can help ‘ground truth’ numerical models, increasing the confidence in these same models for projecting future climate.

    • Harry J. Dowsett
    • Marci M. Robinson
    • Christina R. Riesselman
    Research
    Nature Climate Change
    Volume: 2, P: 365-371

  • The mid-Pliocene Warm Period (mPWP), analogous to future climate conditions, is considered a test-bed for the predictive capability of climate models. Here, Dowsett et al. review our understanding of the mPWP and discuss recent and future advances in the context of proxy data/model integration.

    • Alan M. Haywood
    • Harry J. Dowsett
    • Aisling M. Dolan
    ReviewsOpen Access
    Nature Communications
    Volume: 7, P: 1-14

  • A global data set of proxy-based temperature estimates and biome reconstructions is used to assess the ability of eight climate models to simulate the warm environments of the Pliocene. Model results show a substantial cold bias in the Northern Hemisphere. Sensitivity tests identify temporal variability, the temperature difference over the proxy time range, as an important factor in model–data discrepancies, indicating that future comparisons should focus on time slices with the same orbital forcing

    • Ulrich Salzmann
    • Aisling M. Dolan
    • Zhongshi Zhang
    Research
    Nature Climate Change
    Volume: 3, P: 969-974

  • Anthropogenic aerosols over the Chinese Loess Plateau have diminished monsoon precipitation and concomitant soil erosion that plagues the region. Now, a reconstruction documents the differences between historical warming events and the present, highlighting the paradoxical implications of decreasing atmospheric aerosols.

    • Harry J. Dowsett
    News & Views
    Nature Climate Change
    Volume: 7, P: 174-175

  • In contrast to future projections, paleoclimate records often find wetter subtropics in tandem with elevated CO2. Here, a compilation of proxies and simulations are used to reveal the climate dynamics and feedbacks responsible for generating wet subtropics during the mid-Pliocene.

    • Ran Feng
    • Tripti Bhattacharya
    • W. Richard Peltier
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11