CICERO - Center for International Climate Research

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Øivind Hodnebrog has a PhD in meteorology/atmospheric chemistry from the University of Oslo (2008-2012). Dissertation title: "Modelling tropospheric ozone production on different scales". He has been employed at CICERO since 2011, and is currently working with global and regional climate modelling. For a complete list of publications, see


  • ACCRI CIC-MOD The objective of the ACCRI CIC-MOD project is to investigate how aviation emissions in different regions affect the atmosphere and climate on regional and global scales.
  • CiXPAG - Interaction of Climate Extremes, Air Pollution and Agro-ecosystems Future food production, and consequently food security, is very sensitive to both climate change and air pollution. So far, little is known about how climate extremes and ozone pollution interact to affect agriculture or about the relative effectiveness of climate change adaptation and ozone regulation measures for various crops and regions.
  • The NetBC project Black carbon: A challenging piece of the climate puzzle
  • NAPEX Precipitation is arguably the most direct link between the climate and human society. We depend upon existing precipitation patterns for fresh water and food production, and global infrastructure is designed to withstand current precipitation extremes.
  • HYPRE - HYdropower and PREcipitation trends Investigating historical and future precipitation trends in regions important for hydropower production
  • MOCA: Methane Emissions from the Arctic OCean to the Atmosphere The MOCA project will enhance understanding of the present atmospheric effects of methane released from dissociation of gas hydrates in Arctic seabed sediments, and will also inform on the future potential impacts in a warming climate on decadal to centennial timescales.
  • Impact of absorbing Aerosols on Radiative forcing in the European Arctic The climate impact of absorbing aerosols, such as black carbon particles originating from fossil fuel combustion or biomass burning, mineral dust and volcanic ash, is still very poorly understood especially its role in the atmosphere of polar regions.
  • SUPER - SUb-daily Precipitation Extremes in highly-populated Regions The main objective of SUPER is to quantify the influence of anthropogenic activity on sub-daily extreme precipitation in highly populated regions
  • Sensible heat has significantly affected the global hydrological cycle over the historical period Multiple lines of evidence indicate widespread changes to the global water cycle since 1950. Here we show, using a range of climate modelling results, that changes in sensible heat are the dominant contributor to the present global-mean precipitation change since preindustrial time.

Publications and outreach at CICERO

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Journal article



  • Camilla Weum Stjern, Bjørn Hallvard Samset, Gunnar Myhre, Piers M. Forster, Øivind Hodnebrog, Timothy Andrews, Olivier Boucher, Gregory S. Faluvegi, Trond Iversen, Matthew Kasoar, Viatcheslav V. Kharin, Alf Kirkevåg, Jean-Francois Lamarque, Dirk Jan Leo Oliviè, Thomas Benjamin Richardson, Dilshad Shawki, Drew Shindell, Christopher J. Smith, Toshihiko Takemura, Apostolos Voulgarakis, 2017 Rapid Adjustments Cause Weak Surface Temperature Response to Increased Black Carbon Concentrations Journal of Geophysical Research - Atmospheres, American Geophysical Union (AGU), EN
  • Gunnar Myhre, Wenche Aas, Ribu Cherian, W Collins, Greg Faluvegi, M. Flanner, Piers Forster, Øivind Hodnebrog, Zbigniew Klimont, Marianne Tronstad Lund, Johannes Mulmenstädt, Cathrine Lund Myhre, Dirk Jan Leo Oliviè, Michael J. Prather, Johannes Quaas, Bjørn Hallvard Samset, Jordan Schnell, M Schulz, Drew Shindell, Ragnhild Bieltvedt Skeie, Toshihiko Takemura, Svetlana G. Tsyro, 2017 Multi-model simulations of aerosol and ozone radiative forcing due to anthropogenic emission changes during the period 1990-2015 Atmospheric Chemistry and Physics, Copernicus, EN
  • Gunnar Myhre, Piers M. Forster, Bjørn Hallvard Samset, Øivind Hodnebrog, Jana Sillmann, Siv Gundrosen Aalbergsjø, Timothy Andrews, Olivier Boucher, G. Fulavegi, Dagmar Fläschner, Trond Iversen, Matthew Kasoar, V Kharin, Alf Kirkevåg, Jean-Francois Lamarque, Dirk Jan Leo Oliviè, Thomas Benjamin Richardson, Drew Shindell, Keith P. Shine, Camilla Weum Stjern, Toshihiko Takemura, Apostolos Voulgarakis, Francis W. Zwiers, 2017 PDRMIP: A precipitation driver and response model intercomparison project-protocol and preliminary results Bulletin of The American Meteorological Society - (BAMS), American Meteorological Society, EN


  • Bjørn Hallvard Samset, Gunnar Myhre, Piers M. Forster, Øivind Hodnebrog, Timothy Andrews, Gregory S. Faluvegi, Dagmar Fläschner, Matthew Kasoar, Viatcheslav V. Kharin, Alf Kirkevåg, Jean-François Lamarque, Dirk Jan Leo Oliviè, Thomas Benjamin Richardson, Drew T. Shindell, Keith P. Shine, Toshihiko Takemura, Apostolos Voulgarakis, 2016 Fast and slow precipitation responses to individual climate forcers: A PDRMIP multimodel study Geophysical Research Letters, American Geophysical Union, EN
  • Nicole Jacquinet-Husson, Raymond Armante, Noëlle A. Scott, Alain Chédin, Laurent Crépeau, Chérif Boutammine, Anis Bouhdaoui, Cyril Crevoisier, Virginie Capelle, Cathy Boonne, Nathalie Poulet-Crovisier, Alain Barbe, D. Chris Benner, Vincent Boudon, Linda R. Brown, Jeanna V. Buldyreva, Alain Campargue, Laurent H. Coudert, V. Malathy Devi, Michael J. Down, Brian J. Drouin, Alexis Fayt, Christa Fittschen, Jean-Marie Flaud, Robert R. Gamache, Jeremy J. Harrison, Christian Hill, Øivind Hodnebrog, Shui-Ming Hu, David Jacquemart, Antoine Jolly, Elena Jiménez, Nina N. Lavrentieva, Anwen Liu, Lorenzo Lodi, Oleg M. Lyulin, Steven T. Massie, Semen N. Mikhailenko, Holger S.P. Müller, Olga V. Naumenko, Andrey V. Nikitin, Claus Jørgen Nielsen, Johannes Orphal, Valery I. Perevalov, Agnes Perrin, Elena Polovtseva, Adriana Predoi-Cross, Maud Rotger, Albert A. Ruth, Shanshan Yu, Keeyoon Sung, Sergey A. Tashkun, Jonathan Tennyson, Vladimir I.G. Tyuterev, Jacqueline Vander Auwera, Boris Aleksandrovich Voronin, Arthur G. Maki, 2016 The 2015 edition of the GEISA spectroscopic database Journal of Molecular Spectroscopy, EN
  • Nicolas Bellouin, Laura Baker, Øivind Hodnebrog, Dirk Jan Leo Oliviè, Ribu Cherian, Claire Macintosh, Bjørn Hallvard Samset, Anna Esteve, Borgar Aamaas, Johannes Quaas, Gunnar Myhre, 2016 Regional and seasonal radiative forcing by perturbations to aerosol and ozone precursor emissions Atmospheric Chemistry and Physics, Copernicus, EN
  • Johanne Hope Rydsaa, Frode Stordal, Giacomo Gerosa, Angelo Finco, Øivind Hodnebrog, 2016 Evaluating stomatal ozone fluxes in WRF-Chem: Comparing ozone uptake in Mediterranean ecosystems Atmospheric Environment, EN
  • Olivier Boucher, Yves Balkanski, Øivind Hodnebrog, Cathrine Lund Myhre, Gunnar Myhre, Johannes Quaas, Bjørn Hallvard Samset, Nick Schutgens, Philip Stier, Rong Wang, 2016 Jury is still out on the radiative forcing by black carbon. Proceedings of the National Academy of Sciences of the United States of America, EN
  • Øivind Hodnebrog, Gunnar Myhre, Piers M. Forster, Jana Sillmann, Bjørn Hallvard Samset, 2016 Local biomass burning is a dominant cause of the observed precipitation reduction in southern Africa Nature Communications, EN
  • Timothy J. Wallington, Bruno Pasquini Pivesso, Alane Moura Lira, James E. Anderson, Claus Jørgen Nielsen, Niels Højmark Andersen, Øivind Hodnebrog, 2016 CH3Cl, CH2Cl2, CHCl3, and CCl4: Infrared spectra, radiative efficiencies, and global warming potentials Journal of Quantitative Spectroscopy and Radiative Transfer, Pergamon Press, EN