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Showing 1–12 of 12 results
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  • Methane hydrate clogs pipelines, is difficult to extract profitably, and exists in quantities sufficient to screw up Earth’s climate. Brett Thornton and Christian Stranne consider this confounding cage compound.

    • Brett F. Thornton
    • Christian Stranne
    Comments & Opinion
    Nature Chemistry
    Volume: 15, P: 294

  • Marine sediment proxies for sea ice suggest that a shift to seasonal sea ice in the Lincoln Sea during the Early Holocene was related to warmer air temperatures, similar to those projected to occur under anthropogenic warming.

    • Henrieka Detlef
    • Matt O’Regan
    • Christof Pearce
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 4, P: 1-11

  • New deep submergence technologies are used to obtain photographic images of a 'zero-age' volcanic terrain on the ultra-slow spreading Gakkel Ridge in the Arctic Basin. The imagery reveals that the axial valley at 4,000m water depth is blanketed with unconsolidated pyroclastic deposits, raising important questions regarding the accumulation and discharge of magmatic volatiles on such ridges and demonstrating that large-scale pyroclastic activity is possible along even the deepest portions of the global mid-ocean ridge volcanic system.

    • Robert A. Sohn
    • Claire Willis
    • Adam Soule
    Research
    Nature
    Volume: 453, P: 1236-1238

  • The development of pan-Arctic Ocean ice shelves during peak glacials was proposed in the 1970s, an idea that has been disputed due to lack of evidence. Here, the authors present geophysical mapping data supporting the presence of such an ice shelf during the peak of the penultimate glaciation ∼140–160 ka.

    • Martin Jakobsson
    • Johan Nilsson
    • Igor Semiletov
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-10

  • New experiments suggest that the Petermann Ice Shelf in northwest Greenland is unlikely to recover once a breakup occurs in the future. If this is not unique to this ice shelf, continued ocean warming may lead to high discharge from polar ice sheets.

    • Henning Åkesson
    • Mathieu Morlighem
    • Martin Jakobsson
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • Submarine glacial landforms are used to reconstruct the Holocene retreat dynamics and stability of Petermann Glacier in northwest Greenland. Here, a large grounding-zone wedge at the mouth of Petermann fjord indicates a period of glacier stability, with final retreat likely driven by marine ice cliff instability.

    • Martin Jakobsson
    • Kelly A. Hogan
    • Christian Stranne
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11

  • Much higher surface temperatures in a north Greenland fjord, compared to a neighbouring fjord, during high air temperatures in 2019 can be explained by a sea ice dam at the fjord entrance that trapped a buoyant surface layer, suggests an analysis of hydrographic observations.

    • Christian Stranne
    • Johan Nilsson
    • Martin Jakobsson
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 2, P: 1-8