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Jon Egill Kristjansson

Bilde av Jon Egill Kristjansson
English
Telefon +47-22855813
Faks +47-22855269
Brukernavn
Besøksadresse Gaustadalléen 21 Forskningsparken 0349 OSLO
Postadresse Postboks 1022 Blindern 0315 OSLO

Faglige interesser

  • Aerosoler
  • Mikrofysikk i skyer
  • Eksplosive sykloner
  • Polare lavtrykk
  • Klimaendringer

Undervisning

Bakgrunn

Utdannelse

  • 1991: Dr.Scient. i meteorologi, Universitetet i Bergen
  • 1985: Cand. Sc. i meteorologi, Universitetet i Bergen

Arbeidserfaring

  • 2000 - nå: Professor, Universitetet i Oslo
  • 1993 - 2000: Førsteamanuensis, Universitetet i Oslo
  • 1992 - 1993: Postdoc, the Los Alamos National Laboratory, New Mexico, U.S.A.
  • 1991 - 1992: Forsker ved Det norske meteorologiske institutt, Oslo

 

Emneord: Meteorologi, Aerosoler, Polare lavtrykk, Klimaendringer

Publikasjoner

  • Føre, Ivan; Kristjansson, Jon Egill; Sætra, Øyvind; Breivik, Øyvind; Røsting, Bjørn & Shapiro, Melvyn A. (2011). The full life cycle of a polar low over the Norwegian Sea observed by three research aircraft flights. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  137(660), s 1659- 1673 . doi: 10.1002/qj.825
  • Koch, D.; Balkanski, Y.; Bauer, S. E.; Easter, R. C.; Ferrachat, S.; Ghan, Steven John; Hoose, Corinna et al. (2011). Soot microphysical effects on liquid clouds, a multi-model investigation. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  11(3), s 1051- 1064 . doi: 10.5194/acp-11-1051-2011
  • Kristjansson, Jon Egill (2011). Bedre varsling av ekstremvær i Arktis, I: Olav Orheim & Kristin Ulstein (red.),  Det norske bidraget, Polaråret 2007-2008.  Norges Forskningsråd.  ISBN 978-82-12-02902-6.  IPY-THORPEX.  s 56 - 59
  • Kristjansson, Jon Egill; Barstad, Idar; Aspelien, Trygve; Føre, Ivan; Godøy, Øystein Arne; Hov, Øystein; Irvine, Emma et al. (2011). The Norwegian IPY-THORPEX. Polar Lows and Arctic Fronts during the 2008 Andøya Campaign. Bulletin of The American Meteorological Society - (BAMS).  ISSN 0003-0007.  92(11), s 1443- 1466 . doi: 10.1175/2011BAMS2901.1
  • Kristjansson, Jon Egill; Thorsteinsson, Sigurdur; Kolstad, Erik Wilhelm & Blechschmidt, Anne-Marlene (2011). Orographic influence of east Greenland on a polar low over the Denmark Strait. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  137(660), s 1773- 1789 . doi: 10.1002/qj.831
  • Kulmala, Markku; Asmi, Ari; Lappalainen, H. K.; Baltensperger, Urs; Brenguier, Jean-Louis; Facchini, Cristina; Hansson, H.-C. et al. (2011). General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) - integrating aerosol research from nano to global scales. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  11, s 13061- 13143 . doi: 10.5194/acp-11-13061-2011
  • Mc Innes, Harold; Kristiansen, Jørn; Kristjansson, Jon Egill & Schyberg, Harald (2011). The role of horizontal resolution for polar low simulations. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  137(660), s 1674- 1687 . doi: 10.1002/qj.849
  • Nygaard, Bjørn Egil Kringlebotn; Kristjansson, Jon Egill & Makkonen, Lasse (2011). Prediction of in-cloud icing conditions at ground level using the WRF model. Journal of Applied Meteorology and Climatology.  ISSN 1558-8424.  50(12), s 2445- 2459 . doi: 10.1175/JAMC-D-11-054.1
  • Sodemann, Harald; Pommier, M; Arnold, SR; Monks, SA; Stebel, Kerstin; Burkhart, John Faulkner; Hair, JW et al. (2011). Episodes of cross-polar transport in the Arctic troposphere during July 2008 as seen from models, satellite, and aircraft observations. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  11(8), s 3631- 3651 . doi: 10.5194/acp-11-3631-2011
  • Stjern, Camilla Weum; Stohl, Andreas & Kristjansson, Jon Egill (2011). Have aerosols affected trends in visibility and precipitation in Europe?. Journal of Geophysical Research - Atmospheres.  ISSN 0148-0227.  116 . doi: 10.1029/2010JD014603
  • Alterskjær, Kari; Kristjansson, Jon Egill & Hoose, Corinna (2010). Do anthropogenic aerosols enhance or suppress the surface cloud forcing in the Arctic?. Journal of Geophysical Research - Atmospheres.  ISSN 0148-0227.  115 . doi: 10.1029/2010JD014015
  • Hoose, Corinna; Kristjansson, Jon Egill & Burrows, SM (2010). How important is biological ice nucleation in clouds on a global scale?. Environmental Research Letters.  ISSN 1748-9326.  5(2) . doi: 10.1088/1748-9326/5/2/024009
  • Hoose, Corinna; Kristjansson, Jon Egill; Chen, Jen-Ping & Hazra, Anupam (2010). A Classical-Theory-Based Parameterization of Heterogeneous Ice Nucleation by Mineral Dust, Soot, and Biological Particles in a Global Climate Model. Journal of Atmospheric Sciences.  ISSN 0022-4928.  67(8), s 2483- 2503 . doi: 10.1175/2010JAS3425.1
  • Hoose, Corinna; Kristjansson, Jon Egill; Iversen, T; Kirkevåg, A; Seland, Øyvind & Gettelman, A (2009). Constraining cloud droplet number concentration in GCMs suppresses the aerosol indirect effect. Geophysical Research Letters.  ISSN 0094-8276.  36 . doi: 10.1029/2009GL038568
  • Kristjansson, Jon Egill; Thorsteinsson, Sigurdur & Røsting, Bjørn (2009). Phase-locking of a rapidly developing extratropical cyclone by Greenland's orography. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  135(645), s 1986- 1998 . doi: 10.1002/qj.497
  • Mc Innes, Harold; Kristjansson, Jon Egill; Schyberg, Harald & Røsting, Bjørn (2009). An assessment of a Greenland lee cyclone during the Greenland Flow Distortion experiment: An observational approach. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  135(645), s 1968- 1985 . doi: 10.1002/qj.524
  • Quaas, Johannes; Ming, Yin; Menon, Surabi; Takemura, T; Wang, M; Penner, Joyce; Gettelman, A et al. (2009). Aerosol indirect effects - general circulation model intercomparison and evaluation with satellite data. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  9(22), s 8697- 8717
  • Stjern, Camilla Weum; Kristjansson, Jon Egill & Hansen, AW (2009). Global dimming and global brightening - an analysis of surface radiation and cloud cover data in northern Europe. International Journal of Climatology.  ISSN 0899-8418.  29(5), s 643- 653 . doi: 10.1002/joc.1735
  • Kirkevag, A; Iversen, T; Seland, O; Debernard, J.; Storelvmo, Trude & Kristjansson, Jon Egill (2008). Aerosol-cloud-climate interactions in the climate model CAM-Oslo. Tellus. Series A, Dynamic meteorology and oceanography.  ISSN 0280-6495.  60 . doi: 10.1111/j.1600-0870.2008.00313.x
  • Kirkevåg, Alf; Iversen, Trond; Kristjansson, Jon Egill; Seland, Øyvind & Debernard, JB (2008). On the additivity of climate response to anthropogenic aerosols and CO2, and the enhancement of future global warming by carbonaceous aerosols. Tellus. Series A, Dynamic meteorology and oceanography.  ISSN 0280-6495.  60 . doi: 10.1111/j.1600-0870.2008.00308.x
  • Kristjansson, Jon Egill; Stjern, Camilla Weum; Stordal, Frode; Fjæraa, Ann Mari; Myhre, Gunnar & Jónasson, Kristján (2008). Cosmic rays, cloud condensation nuclei and clouds - a reassessment using MODIS data. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  8, s 7373- 7387
  • Renfrew, Ian A.; Moore, G.W.Kent; Kristjansson, Jon Egill; Kristjánsson, Jón Egill; Ólafsson, Haraldur; Olafsson, Haraldur; Grey, S.L. et al. (2008). The Greenland flow distortion experiment. Bulletin of The American Meteorological Society - (BAMS).  ISSN 0003-0007.  89(9), s 1307- 1324 . doi: 10.1175/2008BAMS2508.1
  • Røsting, Bjørn & Kristjansson, Jon Egill (2008). A successful resimulation of the 7-8 January 2005 winter storm through initial potential vorticity modification in sensitive regions. Tellus. Series A, Dynamic meteorology and oceanography.  ISSN 0280-6495.  60, s 604- 619 . doi: 10.1111/j.1600-0870.2008.00329.x
  • Stjern, Camilla Weum; Kristjansson, Jon Egill & Hansen, Aksel Walløe (2008). Global dimming and global brightening - an analysis of surface radiation and cloud cover data in northern Europe. International Journal of Climatology.  ISSN 0899-8418. . doi: 10.1002/joc.1735
  • Storelvmo, Trude; Kristjansson, Jon Egill & Lohmann, U (2008). Aerosol influence on mixed-phase clouds in CAM-Oslo. Journal of Atmospheric Sciences.  ISSN 0022-4928.  65(10), s 3214- 3230 . doi: 10.1175/2008JAS2430.1
  • Storelvmo, Trude; Kristjansson, Jon Egill; Lohmann, Ulrike; Iversen, Trond; Kirkevåg, Alf & Seland, Øyvind (2008). Modeling of the Wegener-Bergeron-Findeisen process - implications for aerosol indirect effects. Environmental Research Letters.  ISSN 1748-9326.  3 . doi: 10.1088/1748-9326/3/4/O45001
  • Myhre, Gunnar; Stordal, Frode; Johnsrud, M; Kaufman, YJ; Rosenfeld, D; Storelvmo, Trude; Kristjansson, Jon Egill et al. (2007). Aerosol-cloud interaction inferred from MODIS satellite data and global aerosol models. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  7, s 3081- 3101
  • Textor, C; Schulz, M; Guibert, S; Kinne, S; Balkanski, Y; Bauer, S; Berntsen, Terje Koren et al. (2007). The effect of harmonized emissions on aerosol properties in global models - an AeroCom experiment. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  7, s 1699- 1723
  • Kinne, S; Schulz, M; Textor, C; Guibert, S; Balkanski, Y; Bauer, SE; Berntsen, Terje Koren et al. (2006). An AeroCom initial assessment - optical properties in aerosol component modules of global models. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  6, s 1815- 1834
  • Penner, Joyce; Quaas, Johannes; Storelvmo, Trude; Takemura, T; Boucher, Olivier; Guo, H; Kirkevåg, Alf et al. (2006). Model intercomparison of indirect aerosol effects. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  6, s 3391- 3405
  • Røsting, Bjørn & Kristjansson, Jon Egill (2006). Improving simulations of severe winter storms by initial modification of potential vorticity in sensitive regions. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  132(621), s 2625- 2652 . doi: 10.1256/qj.05.188
  • Skeie, Ragnhild Bieltvedt; Kristjansson, Jon Egill; Olafsson, H & Rosting, B (2006). Dynamical processes related to cyclone development near Greenland. Meteorologische Zeitschrift.  ISSN 0941-2948.  15(2), s 147- 156
  • Storelvmo, Trude; Kristjansson, Jon Egill; Ghan, Steve J.; Kirkevåg, Alf; Seland, Øyvind & Iversen, Trond (2006). Predicting cloud droplet number concentration in Community Atmosphere Model (CAM)-Oslo. Journal of Geophysical Research.  ISSN 0148-0227.  111(D24) . doi: 10.1029/2005JD006300
  • Storelvmo, Trude; Kristjansson, Jon Egill; Ghan, Steven John; Kirkevåg, Alf; Seland, Øyvind & Iversen, Trond (2006). Predicting cloud droplet number concentration in CAM-Oslo. Journal of Geophysical Research.  ISSN 0148-0227.  111 . doi: 10.1029/2005JD006300
  • Storelvmo, Trude; Kristjansson, Jon Egill; Myhre, Gunnar; Johnsrud, Mona & Stordal, Frode (2006). Combined observational and modeling based study of the aerosol indirect effect. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  6, s 3583- 3601
  • Textor, C; Schulz, M; Guibert, S; Kinne, S; Balkanski, Y; Bauer, S; Berntsen, Terje Koren et al. (2006). Analysis and quantification of the diversities of aerosol life cycles within AeroCom. Atmospheric Chemistry And Physics.  ISSN 1680-7316.  6, s 1777- 1813
  • Kristjansson, Jon Egill; Iversen, Trond; Kirkevåg, Alf; Seland, Øyvind & Debernard, Jens (2005). Response of the climate system to aerosol direct and indirect forcing: Role of cloud feedbacks. Journal of Geophysical Research.  ISSN 0148-0227.  110(D 24) . doi: 10.1029/2005JD006299
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2005). The effect of upstream wind direction on atmospheric flow in the vicinity of a large mountain. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  131(607), s 1113- 1128 . doi: 10.1256/qj.04.01
  • Kristjansson, Jon Egill; Kristiansen, Jørn & Kaas, Eigil (2004). Solar activity, cosmic rays, clouds and climate - an update. Advances in Space Research.  ISSN 0273-1177.  34(2), s 407- 415 . doi: 10.1016/j.asr.2003.02.040
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2004). Numerical simulations of Greenland's impact on the Northern Hemisphere winter circulation. Tellus. Series A, Dynamic meteorology and oceanography.  ISSN 0280-6495.  56A(2), s 102- 111
  • Petersen, Gudrun Nina; Ólafsson, Haraldur & Kristjansson, Jon Egill (2003). Flow in the lee of idealized mountains and Greenland. Journal of Atmospheric Sciences.  ISSN 0022-4928.  60(17), s 2183- 2195
  • Røsting, Bjørn; Kristjansson, Jon Egill & Sunde, Jens (2003). The sensitivity of numerical simulations to initial modifications of potential vorticity � a case-study. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  129(593), s 2697- 2718
  • Kristjansson, Jon Egill (2002). Studies of the aerosol indirect effect from sulfate and black carbon aerosols. Journal of Geophysical Research.  ISSN 0148-0227.  107(D15)

Se alle arbeider i Cristin

  • Fikke, Svein; Kristjansson, Jon Egill & Nygaard, Bjørn Egil Kringlebotn (2008). Atmospheric icing of power networks - Modern meteorology and atmospheric icing. Springer Science+Business Media B.V..  ISBN 978-1-4020-8530-7.

Se alle arbeider i Cristin

  • Kristjansson, Jon Egill (2011, 04. november). Ekko. [Radio].  NRK P2.
  • Kristjansson, Jon Egill (2011). Klimamanipulering - blir det løsningen?.
  • Kristjansson, Jon Egill (2011). Årsaker til klimavariasjoner og simuleringer av disse, I: Nils Roll-Hansen (red.),  Status i klimaforskningen.  Novus Forlag.  ISBN 978-82-7099-643-8.  Kap.2.  s 29 - 45
  • Kristjansson, Jon Egill & Hoose, Corinna (2011). Ice nucleation by mineral dust, soot, bacteria, fungal spores and pollen: A new GCM parameterization.
  • Kristjansson, Jon Egill & Kolstad, Erik Wilhelm (2011). IPY-THORPEX. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  137(660), s 1657- 1658 . doi: 10.1002/qj.965
  • Kristjansson, Jon Egill; Stjern, Camilla Weum & Myhre, Gunnar (2011). Is there a link between cosmic rays, clouds and climate?.
  • Björkstén, Ulrika & Kristjansson, Jon Egill (2009, 04. september). Vetenskapsmagasinet. [TV].  Sveriges Television.
  • Connor, Steve & Kristjansson, Jon Egill (2009, 14. desember). Sun sets on sceptics' case against climate change.  The Independent.
  • Eggen, Espen & Kristjansson, Jon Egill (2009, 31. mars). Verdt å vite. [Radio].  NRK P2.
  • Hoose, Corinna; Kristjansson, Jon Egill; Arabas, Sylwester; Pawlowka, Hanna; Brenguier, Jean-Louis & Svensson, Gunilla (2009). Vertical velocity probability distributions simulated in the CAM-Oslo GCM.
  • Hoose, Corinna; Kristjansson, Jon Egill; Arabas, Sylwester & Pawlowska, Hanna (2009). IMPROVING THE PARAMETERIZATION OF IN-CLOUD UPDRAFT VELOCITY WITH THE AID OF EUCAARI-IMPACT DATA.
  • Hoose, Corinna; Kristjansson, Jon Egill; Chen, Jen-Ping & Hazra, Anupam (2009). ARE BIOAEROSOLS IMPORTANT CONTRIBUTORS TO GLOBAL ATMOSPHERIC ICE NUCLEATION?.
  • Hoose, Corinna; Kristjansson, Jon Egill; Chen, Jen-Ping & Hazra, Anupam (2009). Ice nucleation by mineral dust, soot, bacteria and pollen: GCM studies with new freezing parameterizations.
  • Hoose, Corinna; Kristjansson, Jon Egill; Iversen, Trond; Kirkevåg, Alf; Seland, Øyvind & Gettelman, A (2009). Constraining cloud droplet concentration in GCMs suppresses the aerosol indirect effect.
  • Jemterud, Torkild & Kristjansson, Jon Egill (2009, 14. desember). Verdt å vite. [Radio].  NRK P2.
  • Kristjansson, Jon Egill (2009). CO2, drivhusgasser og klima.
  • Kristjansson, Jon Egill (2009). Hvilken betydning har variasjoner i solaktivitet for global oppvarming?.
  • Kristjansson, Jon Egill (2009). Solar Activity and Clouds - Relevance for Climate Change.
  • Kristjansson, Jon Egill & Hoose, Corinna (2009). Vertical velocity probability distributions simulated in the CAM-Oslo GCM.
  • Kristjansson, Jon Egill; Hoose, Corinna & Alterskjær, Kari (2009). Aerosol indirect effect of the 'wrong' sign.
  • Kristjansson, Jon Egill; Hoose, Corinna; Alterskjær, Kari; Iversen, Trond; Kirkevåg, Alf; Seland, O; Chen, Jen-Ping et al. (2009). Aerosol indirect effect of the 'wrong' sign. Geochimica et Cosmochimica Acta.  ISSN 0016-7037.  73(13), s A697- A697
  • Kristjansson, Jon Egill & Nygaard, Bjørn Egil Kringlebotn (2009). How sensitive is simulated icing to the treatment of cloud microphysics?.
  • Kristjansson, Jon Egill & Stjern, Camilla Weum (2009). Kosmisk stråling og klima. Klima.  ISSN 1504-8594.  (5), s 13- 13
  • Kristjansson, Jon Egill; Sætra, Øyvind; Irvine, Emma; Føre, Ivan; Dörnbrack, Andreas & Ólafsson, Haraldur (2009). Observations and modeling of polar lows and Arctic Fronts: Early Results from the Norwegian IPY-THORPEX.
  • Kristjansson, Jon Egill; Thorsteinsson, Sigurdur; Kolstad, Erik & Spengler, Thomas (2009). The influence of Greenland on cyclone evolution.
  • Kristjansson, Jon Gudni & Kristjansson, Jon Egill (2009, 15. desember). Spegillinn. [Radio].  RÚV Rás 1 (Islandsk radio, kanal 1).
  • Renfrew, Ian A. & Kristjansson, Jon Egill (2009). The Greenland Flow Distortion Experiment. Quarterly Journal of the Royal Meteorological Society.  ISSN 0035-9009.  135(645), s 1917- 1918 . doi: 10.1002/qj.534
  • Hoose, Corinna; Kristjansson, Jon Egill; Kirkevåg, Alf; Iversen, Trond; Seland, Øyvind & Storelvmo, Trude (2008). Sensitivity of the cloud droplet concentration in a GCM to the representation of subgrid-scale vertical velocity.
  • Hoose, Corinna; Kristjansson, Jon Egill & Svensson, Gunilla (2008). Sensitivity of cloud droplet activation to the vertical velocity probability distribution.
  • Iversen, Trond; Kirkevåg, Alf; Seland, Øyvind; Debernard, Jens B.; Kristjansson, Jon Egill & Storelvmo, Trude (2008). Aerosoler og klimaeffekten. Klima.  ISSN 1504-8594.  (4), s 40- 43
  • Kristjansson, Jon Egill; Stjern, Camilla Weum; Stordal, Frode; Myhre, Gunnar & Fjæraa, Ann-Mari (2008). Cosmic rays, clouds and climate - a reassessment using MODIS data.
  • Rommetveit, Astrid; Kristjansson, Jon Egill; Føre, Ivan & Sætra, Øyvind (2008, 29. desember). Jakta på polarstormen. [TV].  NRK1.
  • Sandvik, Anne D.; Flatøy, Frode & Kristjansson, Jon Egill (2008). Oppvarmingen i Arktis kan forsterkes av våtere skyer. Klima.  ISSN 1504-8594.  (3), s 38- 40
  • Storelvmo, Trude & Kristjansson, Jon Egill (2007). Partikler gir mindre avkjøling enn tidligere antatt. Cicerone.  ISSN 0804-0508.  16(2), s 27- 28
  • Storelvmo, Trude; Kristjansson, Jon Egill; Myhre, Gunnar; Johnsrud, Mona & Stordal, Frode (2007). Combined Observational and Modelling Based Study of the Aerosol Indirect Effect (COMBINE).
  • Kirkevåg, Alf; Iversen, Trond; Kristjansson, Jon Egill; Seland, Øyvind & Debernard, Jens (2006). Partikkelforurensninger maskerer den globale oppvarmingen. Cicerone.  ISSN 0804-0508.  15(2), s 26- 28
  • Storelvmo, Trude; Kristjansson, Jon Egill & Lohmann, Ulrike (2006). Aerosol influence on cold clouds in CAM-Oslo.
  • Kirkevåg, Alf; Iversen, Trond; Kristjansson, Jon Egill; Seland, Øyvind & Debernard, Jens (2005). Aerosolmodellering i CCM-Oslo.
  • Kirkevåg, Alf; Iversen, Trond; Kristjansson, Jon Egill; Seland, Øyvind & Debernard, Jens (2005). Climate response to aerosols in two versions of CCM-Oslo.
  • Kirkevåg, Alf; Iversen, Trond; Kristjansson, Jon Egill; Seland, Øyvind & Debernard, Jens (2005). On aerosol-climate feedbacks, and the effect of doubling CO2.
  • Kirkevåg, Alf; Iversen, Trond; Seland, Øyvind & Kristjansson, Jon Egill (2005). Parameterized aerosol optics and cloud droplet properties in CCM-Oslo.
  • Kirkevåg, Alf; Iversen, Trond; Seland, Øyvind & Kristjansson, Jon Egill (2005). Revised schemes for aerosol optical parameters and cloud condensation nuclei in CCM-Oslo..
  • Kristjansson, Jon Egill (2005). Vanndamp som drivhusgass. Cicerone.  ISSN 0804-0508.  14(1), s 29- 30
  • Iversen, Trond; Kristjansson, Jon Egill; Kirkevåg, Alf & Seland, Øyvind (2004). Calculated Feedback Effects of Climate Change caused by Anthropogenic Aerosols.
  • Iversen, Trond; Kristjansson, Jon Egill; Kirkevåg, Alf & Seland, Øyvind (2004). Climate feedbacks of the indirect effect caused by anthropogenic aerosols.
  • Iversen, Trond; Seland, Øyvind; Kirkevåg, Alf & Kristjansson, Jon Egill (2004). Properties of aerosols as calculated by the atmospheric global climate model CCM-Oslo for AEROCOM phase B..
  • Kristjansson, Jon Egill; Iversen, Trond; Kirkevåg, Alf & Seland, Øyvind (2004). Response of the coupled climate system to indirect aerosol forcing.
  • Kristjansson, Jon Egill; Iversen, Trond; Kirkevåg, Alf; Seland, Øyvind; Debernard, Jens & Røed, L. P. (2004). Feedbacks between chemistry and dynamics in simulations of climate response to aerosol indirect forcing.
  • Seland, Øyvind; Iversen, Trond; Kirkevåg, Alf & Kristjansson, Jon Egill (2004). Effects of alternative emission data on modelled properties of sulfur and carbonaceous aerosols ub CCM-Oslo.
  • Storelvmo, Trude & Kristjansson, Jon Egill (2004). Studies of the aerosol indirect effect in NCAR CAM2.0.
  • Kristjansson, Jon Egill; Iversen, Trond; Kirkevåg, Alf; Seland, Øyvind; Debernard, Jens & Røed, Lars Petter (2003). Climate response to anthropogenic aerosol forcing using the Oslo version of NCAR CCM3 coupled to a slab ocean .
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2003). Greenland and the Northern Hemispheric Winter Circulation.
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2003). Greenland and the Northern Hemispheric Winter Circulation.
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2003). The Impact of Upstream Wind Direction on Wake Flow.
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2003). The Impact of Upstream Wind Direction on Wake Flow.
  • Petersen, Gudrun Nina; Kristjansson, Jon Egill & Ólafsson, Haraldur (2003). The impact of Greenland on the Northern Hemisphere winter circulation.

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Publisert 4. nov. 2010 13:00 - Sist endret 31. mai. 2011 14:45