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Showing 1–12 of 12 results
Advanced filters: Author: Julienne Stroeve Clear advanced filters

  • The ice-free period in Hudson Bay, Canada is likely to come close to the survival limit of adult polar bears under 2 °C of global warming and exceed it for higher temperatures, according to historical and projected sea-ice dynamics based on satellite data and CMIP6 model outputs.

    • Julienne Stroeve
    • Alex Crawford
    • Robbie Mallett
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-12

  • Despite some recovery of the Arctic summer sea ice this year, the signs suggest the transition to a seasonally ice-free Arctic Ocean is underway.

    • Mark C. Serreze
    • Julienne C. Stroeve
    Comments & Opinion
    Nature Climate Change
    Volume: 1, P: 142-143

  • In several of the Arctic ocean basins, the period of open water without sea-ice cover will lengthen by more than 90 days under 2 oC of global warming, suggest analyses of the latest (CMIP6) climate model simulations.

    • Alex Crawford
    • Julienne Stroeve
    • Alexandra Jahn
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 2, P: 1-10

  • This study shows how failure to capture system dynamics can be detected in climate model predictions. This information should improve model projections and facilitate better decision-making.

    • Michael C. Runge
    • Julienne C. Stroeve
    • Eve McDonald-Madden
    Research
    Nature Climate Change
    Volume: 6, P: 861-864

  • The criteria used to classify species as being at risk of extinction are based on global population estimates, making global-scale analysis important for conservation. Now, a study projecting population dynamics of all 45 known emperor penguin (Aptenodytes forsteri) colonies indicates long-term decline, primarily due to altered Antarctic sea ice conditions.

    • Stéphanie Jenouvrier
    • Marika Holland
    • Hal Caswell
    Research
    Nature Climate Change
    Volume: 4, P: 715-718

  • The authors used an autonomous biophysical observatory to estimate the light intensity triggering seasonal zooplankton vertical migration under Arctic sea ice. Considering this trigger, they project future reductions in time spent in the under-ice habitat, with implications for Arctic ecosystems.

    • Hauke Flores
    • Gaëlle Veyssière
    • Julienne Stroeve
    ResearchOpen Access
    Nature Climate Change
    Volume: 13, P: 1122-1130

  • Deep learning and numerical simulations of CryoSat-2 radar altimeter data are used to generate a pan-Arctic sea-ice thickness dataset for the Arctic melt period.

    • Jack C. Landy
    • Geoffrey J. Dawson
    • Yevgeny Aksenov
    Research
    Nature
    Volume: 609, P: 517-522

  • The Arctic warms faster than other areas of the planet, which also influences precipitation. Here, the authors show that the latest CMIP6 model ensemble shows a faster Arctic warming and sea-ice loss, causing an earlier transition from a snow- to a rain-dominated Arctic than previously thought.

    • Michelle R. McCrystall
    • Julienne Stroeve
    • James A. Screen
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-12

  • Arctic climate in the Last Interglacial (LIG)—a warm period 130,000–116,000 years ago—is poorly simulated by modern climate models. A model with improved sea-ice melt-pond physics reproduces LIG Arctic temperatures, suggests an ice-free Arctic during this period and predicts the same by 2035.

    • Maria-Vittoria Guarino
    • Louise C. Sime
    • Alistair Sellar
    Research
    Nature Climate Change
    Volume: 10, P: 928-932

  • Considering cryosphere and warming uncertainties together implies drastically increased risk of threshold crossing in the cryosphere, even under lower-emission pathways, and underscores the need to halve emissions by 2030 in line with the 1.5 °C limit of the Paris Agreement.

    • Uta Kloenne
    • Alexander Nauels
    • Carl-Friedrich Schleussner
    Comments & Opinion
    Nature Climate Change
    Volume: 13, P: 9-11