• Radiative forcing bias of simulated surface albedo modifications linked to forest cover changes at northern latitudes 

      Bright, Ryan M.; Myhre, Gunnar; Astrup, Rasmus Andreas; Antón-Fernández, Clara; Strømman, Anders Hammer (Peer reviewed; Journal article, 2015)
    • Radiative forcing in the ACCMIP historical and future climate simulations 

      Shindell, D.T.; Lamarque, J.-F.; Schulz, M.; Flanner, M.; Jiao, C.; Chin, M.; Young, P.J.; Lee, Y.H.; Rotstayn, L.; Mahowald, N.; Milly, G.; Faluvegi, G.; Balkanski, Y.; Collins, W.J.; Conley, A.J.; Dalsøren, Stig Bjørløw; Easter, R.; Ghan, S.; Horowitz, L.; Liu, X.; Myhre, Gunnar; Nagashima, T.; Naik, V.; Rumbold, S.T.; Skeie, Ragnhild Bieltvedt; Sudo, K.; Szopa, S.; Takemura, T.; Voulgarakis, A.; Yoon, J.-H.; Lo, F. (Peer reviewed; Journal article, 2013)
      The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) examined the short-lived drivers of climate change in current climate models. Here we evaluate the 10 ACCMIP models that included aerosols, 8 of ...
    • Radiative forcing of climate change from the Copernicus reanalysis of atmospheric composition 

      Bellouin, Nicolas; Davies, William H.; P. Shine, Keith; Quaas, Johannes; Mülmenstädt, Johannes; M. Forster, Piers; Smith, Christopher J.; Lee, Lindsay; Regayre, Leighton; Brasseur, Guy; Sudarchikova, Natalia; Bouarar, Idir; Boucher, Olivier; Myhre, Gunnar (Journal article; Peer reviewed, 2020)
      Radiative forcing provides an important basis for understanding and predicting global climate changes, but its quantification has historically been done independently for different forcing agents, has involved observations ...
    • Radiative forcing of the direct aerosol effect from AeroCom Phase II simulations 

      Myhre, Gunnar; Samset, Bjørn Hallvard; Schulz, M.; Balkanski, Y.; Bauer, S.; Berntsen, Terje Koren; Bian, H.; Bellouin, N.; Chin, M; Diehl, T; Easter, R. C.; Feichter, J; Ghan, SJ; Hauglustaine, D; Iversen, Trond; Kinne, S; Kirkevåg, A; Lamarque, J. F.; Lin, G; Liu, X.; Lund, Marianne Tronstad; Luo, G; Ma, X; van Noije, T; Penner, JE; Rasch, P. J.; Ruiz, A.; Seland, Ø.; Skeie, Ragnhild Bieltvedt; Stier, P; Takemura, T.; Tsigaridis, K; Wang, P.; Wang, Z; Xu, L.; Yu, H; Yu, F.; Yoon, J.-H.; Zhang, K.; Zhang, H.; Zhou, C. (Peer reviewed; Journal article, 2013)
      We report on the AeroCom Phase II direct aerosol effect (DAE) experiment where 16 detailed global aerosol models have been used to simulate the changes in the aerosol distribution over the industrial era. All 16 models ...
    • Rapidly evolving aerosol emissions are a dangerous omission from near-term climate risk assessments 

      Persad, Geeta G.; Samset, Bjørn Hallvard; Wilcox, Laura J.; Allen, Robert J.; Bollasina, Massimo A.; Booth, Ben B. B.; Bonfils, Céline; Crocker, Tom; Joshi, Manoj M.; Lund, Marianne Tronstad; Marvel, Kate D.; Merikanto, Joonas; Nordling, Kalle; Undorf, Sabine; Vuuren, Detlef Van; Westervelt, Daniel M.; Zhao, Alcide (Journal article, 2023)
      Anthropogenic aerosol emissions are expected to change rapidly over the coming decades, driving strong, spatially complex trends in temperature, hydroclimate, and extreme events both near and far from emission sources. ...
    • Reaching peak emissions 

      Jackson, Robert B; Canadell, Josep G.; Le Quéré, Corinne; Andrew, Robbie; Korsbakken, Jan Ivar; Peters, Glen Philip; Nakicenovic, Nebojsa (Peer reviewed; Journal article, 2015)
      Rapid growth in global CO2 emissions from fossil fuels and industry ceased in the past two years, despite continued economic growth. Decreased coal use in China was largely responsible, coupled with slower global growth ...
    • Recommendations for diagnosing effective radiative forcing from climate models for CMIP6 

      Forster, Piers M.; Richardson, T.; Maycock, A. C.; Smith, C. J.; Samset, Bjørn Hallvard; Myhre, Gunnar; Andrews, T.; Pincus, R.; Schulz, Michael (Journal article; Peer reviewed, 2016)
      The usefulness of previous Coupled Model Intercomparison Project (CMIP) exercises has been hampered by a lack of radiative forcing information. This has made it difficult to understand reasons for differences between model ...
    • Recruitment, Stabilization and Defection; Exploring Car Sharing Pathways of Young Urban Households 

      Julsrud, Tom Erik; George, Cyriac Manapurathu (Chapter, 2020)
    • Reduced carbon emission estimates from fossil fuel combustion and cement production in China 

      Liu, Z; Guan, Dabo; Wei, Wei; Davis, Steven J; Ciais, Philippe; Bai, Jin; Peng, Shushi; Zhang, Qiang; Hubacek, Klaus; Marland, Gregg; Andres, Robert J; Crawford-Brown, Douglas; Lin, Jintai; Zhao, Hongyan; Hong, Chaopeng; Boden, Thomas A; Feng, Kuishuang; Peters, Glen Philip; Xi, Fengming; Liu, Junguo; Li, Yuan; Zhao, Yu; Zeng, Ning; He, Kebin (Peer reviewed; Journal article, 2015)
      early three-quarters of the growth in global carbon emissions from the burning of fossil fuels and cement production between 2010 and 2012 occurred in China1, 2. Yet estimates of Chinese emissions remain subject to large ...
    • Reduced Complexity Model Intercomparison Project Phase 2: Synthesizing Earth System Knowledge for Probabilistic Climate Projections 

      Nicholls, Z.; Meinshausen, Malte; Lewis, J.; Corradi, M. Rojas; Dorheim, K.; Gasser, Thomas; Gieseke, R.; Hope, A.P.; Leach, N.J.; McBride, L.A.; Quilcaille, Y.; Rogelj, Joeri; Salawitch, Ross J.; Samset, B.H.; Sandstad, Marit; Shiklomanov, A.; Skeie, Ragnhild Bieltvedt; Smith, Christopher J.; Smith, Steven J.; Su, X.; Tsutsui, J.; Vega-Westhoff, B.; Woodard, D.L. (Journal article; Peer reviewed, 2021)
      Over the last decades, climate science has evolved rapidly across multiple expert domains. Our best tools to capture state-of-the-art knowledge in an internally self-consistent modeling framework are the increasingly complex ...
    • Reducing the aerosol forcing uncertainty using observational constraints on warm rain processes 

      Mülmenstädt, Johannes; Nam, Christine; Salzmann, Marc; Kretzschmar, Jan; L'Ecuyer, Tristan S.; Lohmann, Ulrike; Ma, Po-Lun; Myhre, Gunnar; Neubauer, David; Stier, Philip; Suzuki, Kentaroh; Wang, Minghuai; Quaas, Johannes (Journal article; Peer reviewed, 2020)
      Global climate models (GCMs) disagree with other lines of evidence on the rapid adjustments of cloud cover and liquid water path to anthropogenic aerosols. Attempts to use observations to constrain the parameterizations ...
    • Reducing uncertainties in decadal variability of the global carbon budget with multiple datasets 

      Li, Wei; Ciais, Philippe; Wang, Yilong; Peng, Shushi; Broquet, Grégoire; Ballantyne, Ashley P.; Canadell, Josep G.; Cooper, Leila; Friedlingstein, Pierre; Le Quéré, Corinne; Myneni, Ranga B.; Peters, Glen Philip; Piao, Shilong; Pongratz, Julia (Journal article; Peer reviewed, 2016)
      Conventional calculations of the global carbon budget infer the land sink as a residual between emissions, atmospheric accumulation, and the ocean sink. Thus, the land sink accumulates the errors from the other flux terms ...
    • The Regional Aerosol Model Intercomparison Project (RAMIP) 

      Wilcox, Laura J.; Allen, Robert J.; Samset, Bjørn Hallvard; Bollasina, Massimo A.; Griffiths, Paul T.; Keeble, James; Lund, Marianne Tronstad; Makkonen, Risto; Merikanto, Joonas; O'Donnell, Declan; Paynter, David J.; Persad, Geeta G.; Rumbold, Steven T.; Takemura, Toshihiko; Tsigaridis, Kostas; Undorf, Sabine; Westervelt, Daniel M. (Peer reviewed; Journal article, 2023)
      Changes in anthropogenic aerosol emissions have strongly contributed to global and regional trends in temperature, precipitation, and other climate characteristics and have been one of the dominant drivers of decadal trends ...
    • Regional temperature change potentials for short-lived climate forcers based on radiative forcing from multiple models 

      Aamaas, Borgar; Berntsen, Terje Koren; Fuglestvedt, Jan S.; Shine, Keith P.; Collins, William J (Journal article; Peer reviewed, 2017)
      We calculate the absolute regional temperature change potential (ARTP) of various short-lived climate forcers (SLCFs) based on detailed radiative forcing (RF) calculations from four different models. The temperature response ...
    • Reply to: Uncertainty in near-term temperature evolution must not obscure assessments of climate mitigation benefits 

      Samset, Bjørn Hallvard; Fuglestvedt, Jan S.; Lund, Marianne Tronstad (Peer reviewed; Journal article, 2022)
      In response to our recent paper1 (hereafter SFL20) concerning the relation between natural variability in the climate system and the time to detect a response to emissions mitigation, Lanson et al.2 (hereafter L22) call ...
    • The Representation of Sea Salt Aerosols and Their Role in Polar Climate Within CMIP6 

      Lapere, Rémy; Thomas, Jennie L.; Marelle, Louis; Ekman, Annica M. L.; Frey, Markus M.; Lund, Marianne Tronstad; Makkonen, Risto; Ranjithkumar, Ananth; Salter, Matthew E.; Samset, Bjørn Hallvard; Schulz, Michael; Sogacheva, Larisa; Yang, Xin; Zieger, Paul (Peer reviewed; Journal article, 2023)
      Natural aerosols and their interactions with clouds remain an important uncertainty within climate models, especially at the poles. Here, we study the behavior of sea salt aerosols (SSaer) in the Arctic and Antarctic within ...
    • Representing storylines with causal networks to support decision making: Framework and example 

      Kunimitsu, Taro; Baldissera Pacchetti, Marina; Ciullo, Alessio; Sillmann, Jana; Shepherd, Theodore G.; Taner, Mehmet Ümit; van den Hurk, Bart (Peer reviewed; Journal article, 2023)
      Physical climate storylines, which are physically self-consistent unfoldings of events or pathways, have been powerful tools in understanding regional climate impacts. We show how embedding physical climate storylines into ...
    • Research priorities for negative emissions 

      Fuss, Sabine; Jones, Chris D.; Kraxner, Florian; Peters, Glen Philip; Smith, Pete; Tavoni, Massimo; van Vuuren, Detlef Peter; Canadell, Josep G.; Jackson, Robert B.; Milne, Jennifer L.; Moreira, José Roberto; Nakicenovic, Nebojsa; Sharifi, Ayyoob; Yamagata, Yoshiki (Peer reviewed; Journal article, 2016)
      Carbon dioxide removal from the atmosphere (CDR)—also known as 'negative emissions'—features prominently in most 2 °C scenarios and has been under increased scrutiny by scientists, citizens, and policymakers. Critics argue ...
    • Response to marine cloud brightening in a multi-model ensemble 

      Stjern, Camilla Weum; Muri, Helene; Ahlm, Lars; Boucher, Olivier; Cole, Jason N.S.; Ji, Duoying; Jones, Andy; Haywood, Jim M.; Kravitz, Ben; Lenton, Andrew; Moore, John C.; Niemeier, Ulrike; Phipps, Steven J.; Schmidt, Hauke; Watanabe, Shingo; Kristjansson, Jon Egill (Peer reviewed; Journal article, 2018)
    • Response to marine cloud brightening in a multi-model ensemble 

      Stjern, Camilla Weum; Muri, Helene; Ahlm, Lars; Boucher, Olivier; Cole, Jason N.S.; Ji, Duoying; Jones, Andy; Haywood, Jim M.; Kravitz, Ben; Lenton, Andrew; Moore, John C.; Niemeier, Ulrike; Phipps, Steven J.; Schmidt, Hauke; Watanabe, Shingo; Kristjansson, Jon Egill (Journal article, 2017)
      Here we show results from Earth System Model simulations from the marine cloud brightening experiment G4cdnc of the Geoengineering Model Intercomparison Project (GeoMIP). The nine contributing models prescribe a 50 % ...