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Ozone-depleting chloroform on the rise

Latest Research

  • Article |

    A large reservoir of organic carbon persists in oxic pelagic sediments for millions of years as demonstrated by samples from the North Atlantic and South Pacific. This predominantly proteinaceous carbon persists due to physical protection and adsorption to mineral surfaces.

    • Emily R. Estes
    • , Robert Pockalny
    • , Steven D’Hondt
    • , Fumio Inagaki
    • , Yuki Morono
    • , Richard W. Murray
    • , Dennis Nordlund
    • , Arthur J. Spivack
    • , Scott D. Wankel
    • , Nan Xiao
    •  & Colleen M. Hansel
  • Article |

    Earthquakes in the crust and mantle at transform faults are distinct yet coupled, with seismic swarms in the mantle apparently preceding large earthquakes, according to ocean-bottom seismic monitoring of the Blanco Transform Fault.

    • Václav M. Kuna
    • , John L. Nábělek
    •  & Jochen Braunmiller
  • Article |

    Fires and logging alter soil composition and result in a significant reduction of soil nutrients that lasts for decades after the disturbance, suggests an analysis of soil samples across a multi-century sequence in mountain ash forests.

    • Elle J. Bowd
    • , Sam C. Banks
    • , Craig L. Strong
    •  & David B. Lindenmayer
  • Article |

    The sensitivity of the Antarctic ice sheet to obliquity increases when ice-sheet margins are exposed to the ocean, suggests an analysis of sediment core oxygen isotope records.

    • R. H. Levy
    • , S. R. Meyers
    • , T. R. Naish
    • , N. R. Golledge
    • , R. M. McKay
    • , J. S. Crampton
    • , R. M. DeConto
    • , L. De Santis
    • , F. Florindo
    • , E. G. W. Gasson
    • , D. M. Harwood
    • , B. P. Luyendyk
    • , R. D. Powell
    • , C. Clowes
    •  & D. K. Kulhanek
  • Article |

    Microbial degradation is a key process for removing aromatic hydrocarbons from the oceans, according to measurements in plankton and seawater with 64 types of polycyclic aromatic hydrocarbons and their microbial degradation genes in four ocean basins.

    • Belén González-Gaya
    • , Alicia Martínez-Varela
    • , Maria Vila-Costa
    • , Paulo Casal
    • , Elena Cerro-Gálvez
    • , Naiara Berrojalbiz
    • , Daniel Lundin
    • , Montserrat Vidal
    • , Carmen Mompeán
    • , Antonio Bode
    • , Begoña Jiménez
    •  & Jordi Dachs

News & Comment

  • News & Views |

    Differences between earthquake sequences in the crust and adjacent uppermost mantle at oceanic transform faults are revealed by a seafloor seismic experiment at the Blanco Transform Fault.

    • Jeffrey J. McGuire
  • News & Views |

    Cumulative wildfires or prescribed burning produce different outcomes for the vegetation, suggest two long-term analyses of fire-affected ecosystems. Climate change and land management practices are altering how ecosystems function.

    • Mark A. Cochrane
  • News & Views |

    Atmospheric levels of chloroform, an ozone-depleting substance not part of the Montreal Protocol, have risen. The increase may be attributable to industrial emissions in Eastern China.

    • Susann Tegtmeier
  • News & Views |

    Mangrove canopy heights vary around the world in response to rain, storms and human activities, suggests a global analysis of mangrove canopy height. How tall the trees are matters for estimating global mangrove carbon storage.

    • Daniel A. Friess
  • Editorial |

    Machine learning allows geoscientists to embrace data at scales greater than ever before. We are excited to see what this innovative tool can teach us.

  • News & Views |

    Seismic data during the time interval between larger earthquakes could contain information about fault displacements and potential for future failure, suggest analyses of data from laboratory and real-world slow-slip earthquakes using machine-learning techniques.

    • Kenneth C. Creager

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