J
Jón Egill Kristjánsson
Researcher at University of Oslo
Publications - 114
Citations - 11195
Jón Egill Kristjánsson is an academic researcher from University of Oslo. The author has contributed to research in topics: Aerosol & Radiative forcing. The author has an hindex of 49, co-authored 114 publications receiving 10126 citations. Previous affiliations of Jón Egill Kristjánsson include University of Bergen.
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Journal ArticleDOI
Analysis and quantification of the diversities of aerosol life cycles within AeroCom
C. Textor,Michael Schulz,Sarah Guibert,Stefan Kinne,Yves Balkanski,Susanne E. Bauer,Terje Koren Berntsen,Tore F. Berglen,Olivier Boucher,Olivier Boucher,Mian Chin,Frank Dentener,Thomas Diehl,Richard C. Easter,Hans Feichter,D. Fillmore,Steven J. Ghan,Paul Ginoux,Sunling Gong,Alf Grini,Johannes Hendricks,Larry W. Horowitz,P. Huang,Ivar S. A. Isaksen,Trond Iversen,Silvia Kloster,Dorothy Koch,Alf Kirkevåg,Jón Egill Kristjánsson,Maarten Krol,Axel Lauer,Jean-Francois Lamarque,Xiaohong Liu,V. Montanaro,Gunnar Myhre,Joyce E. Penner,Giovanni Pitari,S. Reddy,S. Reddy,Øyvind Seland,Philip Stier,Toshihiko Takemura,X. Tie +42 more
TL;DR: In this paper, the life cycle of dust, sea salt, sulfate, black carbon and particulate organic matter as simulated by sixteen global aerosol models has been analyzed and the differences among the results (model diversities) for sources and sinks, burdens, particle sizes, water uptakes, and spatial dispersals have been established.
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The Norwegian Earth System Model, NorESM1-M – Part 1: Description and basic evaluation of the physical climate
Mats Bentsen,Ingo Bethke,Jens Boldingh Debernard,Trond Iversen,Trond Iversen,Trond Iversen,Alf Kirkevåg,Øyvind Seland,Helge Drange,Helge Drange,C. Roelandt,Ivar A. Seierstad,Corinna Hoose,Corinna Hoose,Jón Egill Kristjánsson +14 more
TL;DR: The core version of the Norwegian Climate Center's Earth System Model, named NorESM1-M, is presented in this paper, where a first-order assessment of the model stability, the mean model state and the internal variability based on the model experiments made available to CMIP5 are presented.
Journal ArticleDOI
Condensation and Cloud Parameterization Studies with a Mesoscale Numerical Weather Prediction Model
TL;DR: In this article, a parameterization scheme for convective and stratiform condensation (with cloud water as a prognostic variable) was implemented into a fine mesh numerical weather prediction model.
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An AeroCom Initial Assessment - Optical Properties in Aerosol Component Modules of Global Models
Stefan Kinne,Michael Schulz,C. Textor,Sarah Guibert,Yves Balkanski,Susanne E. Bauer,Terje Koren Berntsen,Tore F. Berglen,Olivier Boucher,Olivier Boucher,Mian Chin,William D. Collins,Frank Dentener,Thomas Diehl,Richard C. Easter,Johann Feichter,D. Fillmore,Steven J. Ghan,Paul Ginoux,Sunling Gong,Alf Grini,Johannes Hendricks,Michael Herzog,Larry W. Horowitz,Ivar S. A. Isaksen,Trond Iversen,Alf Kirkevåg,Silvia Kloster,Dorothy Koch,Jón Egill Kristjánsson,Maarten Krol,Axel Lauer,Jean-Francois Lamarque,Glen Lesins,Xiaohong Liu,Ulrike Lohmann,V. Montanaro,Gunnar Myhre,Joyce E. Penner,Giovanni Pitari,S. Reddy,Øyvind Seland,Philip Stier,Toshihiko Takemura,X. Tie +44 more
TL;DR: The AeroCom exercise as mentioned in this paper diagnoses multi-component aerosol modules in global modeling and compares simulated global distributions for mass and mid-visible aerosol optical thickness (aot) among 20 different modules.
Journal ArticleDOI
A Comparison of the CCM3 Model Climate Using Diagnosed and Predicted Condensate Parameterizations
TL;DR: In this article, a new parameterization is introduced for the prediction of cloud water in the National Center for Atmospheric Research Community Climate Model version 3 (CCM3), which makes a much closer connection between the meteorological processes that determine condensate formation and the condensor amount.