Browsing Institutt for geofag by Author "Dalsøren, Stig Bjørløw"

Now showing items 1-2 of 2

  • Atmospheric methane evolution the last 40 years 
    Dalsøren, Stig Bjørløw; Myhre, Cathrine Lund; Myhre, Gunnar; Gomez-Pelaez, Angel J.; Søvde, Ole Amund; Isaksen, Ivar S A; Weiss, Ray F.; Harth, Christina M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Observations at surface sites show an increase in global mean surface methane (CH4) of about 180 parts per billion (ppb) (above 10 %) over the period 1984–2012. Over this period there are large fluctuations in the annual ...
  • Atmospheric Ozone and Methane in a Changing Climate 
    Isaksen, Ivar S A; Berntsen, Terje Koren; Dalsøren, Stig Bjørløw; Eleftheratos, K.; Orsolini, Yvan; Rognerud, Bjørg; Stordal, Frode; Søvde, Ole Amund; Zerefos, C; Holmes, Chris D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Ozone and methane are chemically active climate-forcing agents affected by climate–chemistry interactions in the atmosphere. Key chemical reactions and processes affecting ozone and methane are presented. It is shown that ...