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Bjørn Hallvard Samset

Senior Researcher

Phone: +47 22 00 47 87 /

E-mail: b.h.samset@cicero.oslo.no

Physicist and science disseminator, broad experience in atmospheric science and global climate modelling.

Physicist, climate scientist, science disseminator. Studying precipitation and the role of atmospheric aerosols in a changing climate, mainly through climate modelling. Regular newspaper columnist and science commentator, Norwegian media. Previously worked on particle physcis, with the ATLAS collaboration at CERN and the BRAHMS collaboration at RHIC. PhD in Nuclear Physics, University of Oslo (2006).

Projects

  • AC/BC In search of airborne soot, and how it affects the climate
  • The NetBC project Black carbon: A challenging piece of the climate puzzle
  • 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.
  • ICOS-Norge Integrated Carbon Observation System (ICOS)-Norway and Ocean Thematic Centre (OTC)
  • 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.
  • ACRoBEAR – high-latitude risk of wildfire and disease The ACRoBEAR (Arctic Community Resilience to Boreal Environmental Change: Assessing Risks from fire and disease) project will quantify changing risk of boreal forest fire and natural-focal disease for local communities in high northern latitudes under changing environmental and climatic conditions.
  • ACACIA – Advancing the Science for Aviation and Climate The EU-funded project ACACIA (Advancing the Science for Aviation and Climate) aims to provide improved scientific knowledge of the non-CO2 impacts from aviation emissions of relevance for the development of harmonised policies and regulations for a more climate-friendly aviation system.
  • AVIATE: How can aviation contribute to a low-carbon society? The AVIATE (Aviation in a low-carbon society) project will provide better understanding of the climate impact of aviation, both for Norway and globally, and explore options for reducing that impact.
  • ChiNorBC This project will help enhance the knowledge base for and support the development of a strategy for BC/OC co-control in China.

Publications and outreach at CICERO

Gå til: Journal article

Journal article

2020

2019

  • Bjørn Hallvard Samset, Camilla Weum Stjern, Marianne Tronstad Lund, Christian Wilhelm Mohr, Maria Sand, Anne Sophie Daloz, 2019 How daily temperature and precipitation distributions evolve with global surface temperature Earth's Future, EN
  • Camilla Weum Stjern, Marianne Tronstad Lund, Bjørn Hallvard Samset, Gunnar Myhre, Piers M. Forster, Timothy Andrews, Olivier Boucher, Gregory Faluvegi, Dagmar Fläschner, Trond Iversen, Matthew Kasoar, Viatcheslav Kharin, Alf Kirkevåg, Jean-François Lamarque, Dirk Jan Leo Oliviè, Thomas Richardson, Maria Sand, Dilshad Shawki, Drew Shindell, Christopher J. Smith, Toshihiko Takemura, Apostolos Voulgarakis, 2019 Arctic Amplification Response to Individual Climate Drivers Journal of Geophysical Research (JGR): Space Physics, EN
  • Tao Tang, D Shindell, G. Faluvegi, Gunnar Myhre, Dirk Jan Leo Oliviè, A. Voulgarakis, Matthew Kasoar, T. Andrews, O. Boucher, Piers M. Forster, Øivind Hodnebrog, Trond Iversen, Alf Kirkevåg, Jean-François Lamarque, T. Richardson, Bjørn Hallvard Samset, Camilla Weum Stjern, Toshihiko Takemura, C. Smith, 2019 Comparison of Effective Radiative Forcing Calculations Using Multiple Methods, Drivers, and Models Journal of Geophysical Research (JGR): Space Physics, EN
  • Øivind Hodnebrog, Gunnar Myhre, Bjørn Hallvard Samset, Kari Alterskjær, Timothy Andrews, Oliviér Boucher, Gregory S. Faluvegi, Dagmar Fläschner, Piers M. Forster, Matthew Kasoar, Alf Kirkevåg, Jean-François Lamarque, Dirk Jan Leo Oliviè, Thomas Benjamin Richardson, Dilshad Shawki, Drew Shindell, Keith P Shine, Philip Stier, Toshihiko Takemura, Apostolos Voulgarakis, Duncan Watson-Parris, 2019 Water vapour adjustments and responses differ between climate drivers Atmospheric Chemistry and Physics, Copernicus GmbH, EN
  • Gunnar Myhre, Kari Alterskjær, Camilla Weum Stjern, Øivind Hodnebrog, Louis Marelle-Sebrechts, Bjørn Hallvard Samset, Jana Sillmann, Nathalie Schaller, Erich Fischer, M Schulz, Andreas Stohl, 2019 Frequency of extreme precipitation increases extensively with event rareness under global warming Scientific Reports, Nature Portfolio, EN
  • Borgar Aamaas, Terje K. Berntsen, Bjørn Hallvard Samset, 2019 The regional temperature implications of strong air quality measures Atmospheric Chemistry and Physics, Copernicus GmbH, EN
  • Bjørn Hallvard Samset, Marianne Tronstad Lund, Massimo Bollasina, Gunnar Myhre, Laura J. Wilcox, 2019 Emerging Asian aerosol patterns Nature Geoscience, Nature Portfolio, EN
  • Thomas B. Richardson, Piers Maxwell de Ferranti Forster, Christopher J. Smith, Amanda C. Maycock, Tom Wood, Timothy Andrews, Oliviér Boucher, Gregory Faluvegi, Dagmar Fläschner, Øivind Hodnebrog, Matthew Kasoar, Alf Kirkevåg, Jean-François Lamarque, Johannes Mülmenstädt, Gunnar Myhre, Dirk Jan Leo Oliviè, Robert W. Portmann, Bjørn Hallvard Samset, Dilshad Shawki, Drew T. Shindell, Philip Stier, Toshihiko Takemura, Apostolos Voulgarakis, Duncan Watson-Parris, 2019 Efficacy of climate forcings in PDRMIP models Journal of Geophysical Research (JGR): Space Physics, EN
  • Jana Sillmann, Camilla Weum Stjern, Gunnar Myhre, Bjørn Hallvard Samset, Øivind Hodnebrog, Timothy Andrews, Oliviér Boucher, Gregory Faluvegi, Piers Forster, Matthew R. Kasoar, Viatcheslav V. Kharin, Alf Kirkevåg, Jean-Francois Lamarque, Dirk Jan Leo Oliviè, Thomas B. Richardson, Drew Shindell, Toshihiko Takemura, Apostolos Voulgarakis, Francis W. Zwiers, 2019 Extreme wet and dry conditions affected differently by greenhouse gases and aerosols npj Climate and Atmospheric Science, Nature Portfolio, EN
  • Marianne Tronstad Lund, Gunnar Myhre, Bjørn Hallvard Samset, 2019 Anthropogenic aerosol forcing under the Shared Socioeconomic Pathways Atmospheric Chemistry and Physics, Copernicus GmbH, EN
  • Gunnar Myhre, Kari Alterskjær, Camilla Weum Stjern, Øivind Hodnebrog, Louis Marelle-Sebrechts, Bjørn Hallvard Samset, Jana Sillmann, Nathalie Schaller, Erich Fischer, M Schulz, Andreas Stohl, 2019 Frequency of extreme precipitation increases extensively with event rareness under global warming Scientific Reports, Nature Portfolio, EN

2018

2017

2016

2015

2014

2013

2012

2011