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Showing 1–7 of 7 results
Advanced filters: Author: Colm Sweeney Clear advanced filters

  • Using carbonyl sulfide as a tracer, gross primary production in the Midwest USA is shown to significantly exceed that of any other region of North America. This approach provides a valuable means of assessing the regional accuracy of ecosystem land models.

    • Timothy W. Hilton
    • Mary E. Whelan
    • J. Elliott Campbell
    Research
    Nature Climate Change
    Volume: 7, P: 450-454

  • Along the West Antarctic Peninsula, a 25-year dataset indicates that oceanic CO2 uptake depends on upper ocean stability and phytoplankton dynamics. Diatoms achieve high oceanic CO2 uptake and uptake efficiency. There has been a nearly fivefold increase in oceanic CO2 uptake due to sea ice changes.

    • Michael S. Brown
    • David R. Munro
    • Oscar M. Schofield
    Research
    Nature Climate Change
    Volume: 9, P: 678-683

  • Changes in the seasonal cycle amplitude of atmospheric CO2 (SCA) reflect large-scale changes in the global carbon cycle. This Review summarizes the positive SCA trend in the northern high latitudes, where the signal is strongest, and explores the underlying mechanisms driving the trend and their relative importance.

    • Zhihua Liu
    • Brendan M. Rogers
    • Yangjian Zhang
    Reviews
    Nature Reviews Earth & Environment
    Volume: 5, P: 802-817

  • Data from the oil- and gas-producing basin of northeastern Utah and a box model are used to assess the photochemical reactions of nitrogen oxides and volatile organic compounds that lead to excessive atmospheric ozone pollution in winter.

    • Peter M. Edwards
    • Steven S. Brown
    • Robert Zamora
    Research
    Nature
    Volume: 514, P: 351-354

  • Large stores of carbon could be released to the atmosphere from Arctic warming, driving permafrost thaw. This Review examines the processes that impact Arctic permafrost carbon emissions, how they might change in the future and ways to monitor and predict these changes.

    • Kimberley R. Miner
    • Merritt R. Turetsky
    • Charles E. Miller
    Reviews
    Nature Reviews Earth & Environment
    Volume: 3, P: 55-67