Browsing NIBIO Brage by Author "Hansen, Birger Ulf"

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    • Assessing the spatial variability in peak season CO2 exchange characteristics across the Arctic tundra using a light response curve parameterization 

      Mbufong, Herbert N.; Lund, Magnus; Aurela, Mika; Christensen, Torben Röjle; Eugster, Werner; Friborg, Thomas; Hansen, Birger Ulf; Humphreys, Elyn R.; Jackowicz-Korczyński, Marcin; Kutzbach, Lars; Lafleur, Peter M.; Oechel, Walter C.; Parmentier, Frans-Jan W.; Rasse, Daniel; Rocha, A.V.; Sachs, Torsten; Van Der Molen, Michiel K.; Tamstorf, M.P. (Journal article; Peer reviewed, 2014-09-15)
      This paper aims to assess the spatial variability in the response of CO2 exchange to irradiance across the Arctic tundra during peak season using light response curve (LRC) parameters. This investigation allows us to better ...

    • Toward a statistical description of methane emissions from arctic wetlands 

      Pirk, Norbert; Mastepanov, Mikhail; López-Blanco, Efrén; Christensen, Louise H.; Christiansen, Hanne H; Hansen, Birger Ulf; Lund, Magnus; Parmentier, Frans-Jan W.; Skov, Kirstine; Christensen, Torben R. (Journal article; Peer reviewed, 2017-01-23)
      Methane (CH4) emissions from arctic tundra typically follow relations with soil temperature and water table depth, but these process-based descriptions can be difficult to apply to areas where no measurements exist. We ...