Blar i CICERO Research Archive på forfatter "Harth, Christina M."
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Atmospheric methane evolution the last 40 years
Dalsøren, Stig Bjørløw; Myhre, Cathrine Lund; Myhre, Gunnar; Gomez-Pelaez, Angel J.; Haslerud, Amund Søvde; Isaksen, Ivar S. A.; Weiss, Ray F.; Harth, Christina M. (Peer reviewed; Journal article, 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 ...