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Showing 1–9 of 9 results
Advanced filters: Author: Tim R. Naish Clear advanced filters

  • Gradual cooling or warming of the atmosphere, combined with strong ocean-driven basal melt, could have led to major changes in the periodicity, phasing, and asymmetry of past ice sheet growth and decay, according to an ensemble of 500-kyr long ice sheet simulations.

    • Nicholas R. Golledge
    • Richard H. Levy
    • Georgia Grant
    ResearchOpen Access
    Communications Earth & Environment
    P: 1-11

  • The response of the vast West Antarctic Ice Sheet (WAIS) to climate shifts due to changes in Earth's orbit is uncertain, but there is potential for several metres of sea level change. Naish and co-authors extracted a sediment core from beneath the Ross Ice Shelf and found evidence that the WAIS periodically collapsed during the early Pliocene (3-5 million years ago); and the pattern of collapse suggests an influence of ∼40,000-year cycles in the tilt of Earth's rotational axis.

    • T. Naish
    • R. Powell
    • T. Williams
    Research
    Nature
    Volume: 458, P: 322-328

  • Free-ranging domestic cats have major ecological impacts globally. Here, Lepczyk et al. compile records of the species consumed by cats, identifying thousands of species consumed, including hundreds of species that are of conservation concern.

    • Christopher A. Lepczyk
    • Jean E. Fantle-Lepczyk
    • John C. Z. Woinarski
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • High fidelity benthic foraminifera oxygen isotope records reveal that variations in Earth’s orbit are the primary pacemaker of change in early Antarctic ice ages and caused these ice ages to sometimes end abruptly.

    • Tim E. van Peer
    • Diederik Liebrand
    • Paul A. Wilson
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10