Blar i Journal articles på forfatter "Berntsen, Terje Koren"
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Aerosols at the poles: an AeroCom Phase II multi-model evaluation
Sand, Maria; Samset, Bjørn Hallvard; Balkanski, Yves; Bauer, Susanne; Bellouin, Nicolas; Berntsen, Terje Koren; Bian, Huisheng; Chin, Mian; Diehl, Thomas; Easter, Richard; Ghan, Steve J.; Iversen, Trond; Kirkevåg, Alf; Lamarque, Jean-Francois; Lin, Guangxing; Liu, Xiaohong; Luo, Gan; Myhre, Gunnar; Van Noije, Twan P.C.; Penner, Joyce E.; Schulz, Michael; Seland, Øyvind; Skeie, Ragnhild Bieltvedt; Stier, Philip; Takemura, Toshihiko; Tsigaridis, Kostas; Yu, Fangqun; Zhang, Kai; Zhang, Hua (Peer reviewed; Journal article, 2017) -
Black carbon vertical profiles strongly affect its radiative forcing uncertainty
Samset, Bjørn Hallvard; Myhre, Gunnar; Schulz, M.; Balkanski, Y.; Bauer, S.; Berntsen, Terje Koren; Bian, H.; Bellouin, N.; Diehl, T.; Easter, R.C.; Ghan, S.J.; Iversen, Trond; Kinne, S.; Kirkevåg, Alf; Lamarque, J.-F.; Lin, G.; Liu, X.; Penner, J.E.; Seland, Øyvind; Skeie, Ragnhild Bieltvedt; Stier, P.; Takemura, T.; Tsigaridis, K.; Zhang, K. (Peer reviewed; Journal article, 2013)The impact of black carbon (BC) aerosols on the global radiation balance is not well constrained. Here twelve global aerosol models are used to show that at least 20% of the present uncertainty in modeled BC direct radiative ... -
BVOC-aerosol-climate feedbacks investigated using NorESM
Sporre, Moa Kristina; Blichner, Sara Marie; Karset, Inger Helene H.; Makkonen, Risto; Berntsen, Terje Koren (Journal article; Peer reviewed, 2019)Both higher temperatures and increased CO2 con centrations are (separately) expected to increase the emis sions of biogenic volatile organic compounds (BVOCs). This has been proposed to initiate negative climate feedback ... -
Climate effects of non-compliant Volkswagen diesel cars
Tanaka, Katsumasa; Lund, Marianne Tronstad; Aamaas, Borgar; Berntsen, Terje Koren (Peer reviewed; Journal article, 2018) -
Climate impacts of short-lived climate forcers versus CO2 from biodiesel: A case of the EU on-road sector
Lund, Marianne Tronstad; Berntsen, Terje Koren; Fuglestvedt, Jan S. (Peer reviewed; Journal article, 2014)Biofuels are proposed to play an important role in several mitigation strategies to meet future CO2 emission targets for the transport sector but remain controversial due to significant uncertainties in net impacts on ... -
Climate sensitivity estimates - Sensitivity to radiative forcing time series and observational data
Skeie, Ragnhild Bieltvedt; Berntsen, Terje Koren; Aldrin, Magne Tommy; Holden, Marit; Myhre, Gunnar (Peer reviewed; Journal article, 2018)Inferred effective climate sensitivity (ECSinf) is estimated using a method combining radiative forcing (RF) time series and several series of observed ocean heat content (OHC) and near-surface temperature change in a ... -
CO2 emissions from biomass combustion for bioenergy: atmospheric decay and contribution to global warming
Cherubini, Francesco; Peters, Glen Philip; Berntsen, Terje Koren; Strømman, Anders Hammer; Hertwich, Edgar G. (Journal article; Peer reviewed, 2011)Carbon dioxide (CO2) emissions from biomass combustion are traditionally assumed climate neutral if the bioenergy system is carbon (C) flux neutral, i.e. the CO2 released from biofuel combustion approximately equals the ... -
Elemental carbon measurements in European Arctic snow packs
Forsström, S.; Isaksson, Elisabeth; Skeie, Ragnhild Bieltvedt; Ström, Johan; Pedersen, CA; Hudson, S.R.; Berntsen, Terje Koren; Lihavainen, H.; Godtliebsen, Fred; Gerland, Sebastian (Journal article; Peer reviewed, 2013)[1] Black carbon (BC) and other light-absorbing particles deposited on snow and ice are known to perturb the surface radiative balance. There are few published observations of the concentration of these particles in the ... -
Emission metrics for quantifying regional climate impacts of aviation
Lund, Marianne Tronstad; Aamaas, Borgar; Berntsen, Terje Koren; Bock, Lisa; Burkhardt, Ulrike; Fuglestvedt, Jan S.; Shine, Keith P (Peer reviewed; Journal article, 2017) -
Evaluation of preindustrial to present-day black carbon and its albedo forcing from Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP)
Lee, Y.H.; Lamarque, J.-F.; Flanner, M.G.; Jiao, C.; Shindell, D.T.; Berntsen, Terje Koren; Bisiaux, M.M.; Cao, J.; Collins, W.J.; Curran, M.; Edwards, R.; Faluvegi, G.; Ghan, S.; Horowitz, L.W.; McConnell, J.R.; Ming, J.; Myhre, Gunnar; Nagashima, T.; Naik, V.; Rumbold, S.T.; Skeie, Ragnhild Bieltvedt; Sudo, K.; Takemura, T.; Thevenon, F.; Xu, B.; Yoon, J.-H. (Peer reviewed; Journal article, 2013)As part of the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP), we evaluate the historical black carbon (BC) aerosols simulated by 8 ACCMIP models against observations including 12 ice core records, ... -
Local and remote temperature response of regional SO2 emissions
Lewinschal, Anna; Ekman, Annica M. L.; Hansson, Hans-Christen; Sand, Maria; Berntsen, Terje Koren; Langner, Joakim (Journal article; Peer reviewed, 2019)Short-lived anthropogenic climate forcers (SLCFs), such as sulfate aerosols, affect both climate and air quality. Despite being short-lived, these forcers do not affect temperatures only locally; regions far away from the ... -
Metodikk for framstilling av klimaeffekt på kort og lang sikt
Aamaas, Borgar; Berntsen, Terje Koren (CICERO Report, Research report, 2021)CICERO Senter for klimaforskning har på oppdrag fra Miljødirektoratet utviklet og illustrert metodikk for framstilling av klimaeffekt på kort og lang sikt. Vi har vurdert klimaeffekt på to forskjellige måter, med vektfaktorer ... -
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 ... -
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 ... -
Sensitivity of black carbon concentrations and climate impact to aging and scavenging in OsloCTM2-M7
Lund, Marianne Tronstad; Berntsen, Terje Koren; Samset, Bjørn Hallvard (Peer reviewed; Journal article, 2017)Accurate representation of black carbon (BC) concentrations in climate models is a key prerequisite for understanding its net climate impact. BC aging and scavenging are treated very differently in current models. Here, ... -
Strong impacts on aerosol indirect effects from historical oxidant changes
Karset, Inger Helene H.; Berntsen, Terje Koren; Storelvmo, Trude; Alterskjær, Kari; Grini, Alf; Oliviè, Dirk Jan Leo; Kirkevåg, Alf; Seland, Øyvind; Iversen, Trond; Schulz, Michael (Peer reviewed; Journal article, 2018) -
The regional temperature implications of strong air quality measures
Aamaas, Borgar; Berntsen, Terje Koren; Samset, Bjørn Hallvard (Peer reviewed; Journal article, 2019) -
Tropospheric ozone changes, radiative forcing and attribution to emissions in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP)
Stevenson, D.S.; Young, P.J.; Naik, V.; Lamarque, J.-F.; Shindell, D.T.; Voulgarakis, A.; Skeie, Ragnhild Bieltvedt; Dalsøren, Stig Bjørløw; Myhre, Gunnar; Berntsen, Terje Koren; Folberth, G.A.; Rumbold, S.T.; Collins, W.J.; MacKenzie, I.A.; Doherty, R.M.; Zeng, G.; van Noije, T.P.C; Strunk, A.; Bergmann, D.; Cameron-Smith, P.; Plummer, D.A.; Strode, S.A.; Horowitz, L.; Lee, Y.H.; Szopa, S.; Sudo, K.; Nagashima, T.; Josse, B.; Cionni, I.; Righi, M.; Eyring, V.; Conley, A.; Bowman, K.W.; Wild, O.; Archibald, A. T. (Peer reviewed; Journal article, 2013)Ozone (O3) from 17 atmospheric chemistry models taking part in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) has been used to calculate tropospheric ozone radiative forcings (RFs). All models ...