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Fredriksen, Hege-Beate

Postdoktor / Modellering av komplekse systemer
Institutt for fysikk og teknologi




Arbeider i CRIStin


  • Rypdal, Martin wibe; Fredriksen, Hege-Beate; Myrvoll-Nilsen, Eirik; Rypdal, Kristoffer; Sørbye, Sigrunn Holbek. Emergent scale invariance and climate sensitivity. Climate 2018; Volum 6 (4). ISSN 2225-1154.s 1 - 15.s doi: 10.3390/cli6040093.

  • Rypdal, Martin wibe; Fredriksen, Hege-Beate; Rypdal, Kristoffer; Steene, Rebekka. Emergent constraints on climate sensitivity. Nature 2018; Volum 563 (7729). ISSN 0028-0836.s E4 - E5.s doi: 10.1038/s41586-018-0639-4.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe. Long-range persistence in global surface temperatures explained by linear multibox energy balance models. Journal of Climate 2017; Volum 30 (18). ISSN 0894-8755.s 7157 - 7168.s doi: 10.1175/JCLI-D-16-0877.1.

  • Fredriksen, Hege-Beate; Rypdal, Kristoffer. Spectral characteristics of instrumental and climate model surface temperatures. Journal of Climate 2016; Volum 29 (4). ISSN 0894-8755.s 1253 - 1268.s doi: 10.1175/JCLI-D-15-0457.1.

  • Nilsen, Tine; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Are there multiple scaling regimes in Holocene temperature records?. (fulltekst) (sammendrag) Earth System Dynamics 2016; Volum 7 (2). ISSN 2190-4979.s 419 - 439.s doi: 10.5194/esd-7-419-2016.

  • Rypdal, Kristoffer; Rypdal, Martin wibe; Fredriksen, Hege-Beate. Spatiotemporal long-range persistence in earth's temperature field: Analysis of stochastic-diffusive energy balance models. Journal of Climate 2015; Volum 28 (21). ISSN 0894-8755.s 8379 - 8395.s doi: 10.1175/JCLI-D-15-0183.1.

  • Myrvoll-Nilsen, Eirik; Sørbye, Sigrunn Holbek; Fredriksen, Hege-Beate; Rypdal, Martin wibe. A statistical model for global surface temperature response to radiative forcing with long-range dependent noise. EGU General Assembly 2019 2019-04-07 - 2019-04-12 2019.

  • Sørbye, Sigrunn Holbek; Myrvoll-Nilsen, Eirik; Rypdal, Martin wibe; Fredriksen, Hege-Beate; Rue, Håvard. Bayesian analysis of temperature series accounting for long-range dependence and climate forcing. Det 20. norske statistikermøtet 2019-06-18 - 2019-06-20 2019.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe; Rypdal, Kristoffer. At which spatiotemporal scales, and in which climate states, can the linear temperature response hypothesis be rejected by data?. EGU general assembly 2018 2018-04-09 - 2018-04-13 2018.

  • Myrvoll-Nilsen, Eirik; Sørbye, Sigrunn Holbek; Rypdal, Martin wibe; Fredriksen, Hege-Beate; Rue, Håvard. Modeling global surface temperatures in terms of climate forcing and a long-memory stochastic process. The 4th Baysian Young Statisticians Meeting 2018-07-02 - 2018-07-03 2018.

  • Myrvoll-Nilsen, Eirik; Sørbye, Sigrunn Holbek; Rypdal, Martin wibe; Fredriksen, Hege-Beate; Rue, Håvard. Modeling global surface temperatures in terms of climate forcing and a long-memory stochastic process. The 27th Nordic Conference in Mathematical Statistics 2018-06-26 - 2018-06-29 2018.

  • Os, Vibeke; Fredriksen, Hege-Beate. Forsinket global oppvarming skyldes lagring av varme i havet. (fulltekst) 2018.

  • Nilsen, Tine; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Is there a break in scaling on centennial time scales in Holocene temperature records?. CVAS 2.nd workshop 2017-10-25 - 2017.

  • Rypdal, Kristoffer; Fredriksen, Hege-Beate. Scaling of global temperatures explained by linear energy balance models. Past Global Changes Magazine 2017; Volum 25 (3). ISSN 2411-605X.s 138 - 139.s doi: 10.22498/pages.25.3.138.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe; Rypdal, Kristoffer. Scaling of temperatures produced by linear energy balance models. CVAS workshop 2016-11-28 - 2016-11-30 2016.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe. Global surface temperature response explained by multi-box energy balance models. American Geophysical Union Fall Meeting 2016-12-12 - 2016-12-16 2016.

  • Rypdal, Martin wibe; Myklebust, Erik Bryhn; Rypdal, Kristoffer; Fredriksen, Hege-Beate; Løvsletten, Ola; Nilsen, Tine. Early-warning signals for tipping points in strongly driven systems with many characteristic time scales. CRITICS Workshop 2016-09-05 - 2016-09-09 2016.

  • Nilsen, Tine; Rypdal, Kristoffer; Fredriksen, Hege-Beate; Divine, Dmitry V. Is there a break in scaling on centennial time scales in Holocene temperature records?. International Partnerships in Ice Core Sciences (IPICS) second open science conference 2016-03-07 - 2016-03-11 2016.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe; Rypdal, Kristoffer. How can long-range memory in surface temperatures be produced?. ResClim All Staff Meeting 2016 2016-03-02 - 2016-03-04 2016.

  • Fredriksen, Hege-Beate; Rypdal, Martin wibe; Rypdal, Kristoffer. The potential of explaining low-frequency temperature variability by a linear model. EGU General Assembly 2016 2016-04-18 - 2016-04-22 2016.

  • Løvsletten, Ola; Rypdal, Martin wibe; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Statistics of regional surface temperatures post year 1900. Long-range versus short-range dependence, and significance of warming trends.. European Geosciences Union General Assembly 2015 2015-04-13 - 2015-04-17 2015.

  • Nilsen, Tine; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Little evidence for multiple scaling regimes in Holocene surface temperatures. Scales and scaling in the climate system: bridging theory, climate models and data 2015-10-04 - 2015-10-07 2015.

  • Fredriksen, Hege-Beate. En investering i tvil. Bladet Nordlys 2015.

  • Fredriksen, Hege-Beate. Eilertsen-bløffen. Bladet Nordlys 2015.

  • Fredriksen, Hege-Beate; Løvsletten, Ola; Rypdal, Martin wibe; Rypdal, Kristoffer. The statistical differences between the gridded temperature datasets, and their implications for stochastic modelling. Resclim All Staff Meeting 2015 2015-03-03 - 2015-03-07 2015.

  • Rypdal, Kristoffer; Rypdal, Martin wibe; Fredriksen, Hege-Beate. Spatiotemporal correlations in Earth’s temperature field from fractional stochastic-diffusive energy balance models. EGU General Assembly 2015 2015-04-12 - 2015-04-17 2015.

  • Fredriksen, Hege-Beate; Rypdal, Kristoffer; Rypdal, Martin wibe. Spatiotemporal correlation structure of the Earth's surface temperature. EGU General Assembly 2015 2015-04-12 - 2015-04-17 2015.

  • Nilsen, Tine; Fredriksen, Hege-Beate; Rypdal, Kristoffer. Long-range memory in temperature reconstructions from ice cores: glacial vs interglacial climate conditions. ResCLIM All Staff Meeting 2015-03-03 - 2015-03-07 2015.

  • Rypdal, Martin wibe; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Are the scaling properties of instrumental and long-term proxy temperature records consistent with a simple energy balance model?. EGU General Assembly 2015 2015-04-12 - 2015-05-17 2015.

  • Nilsen, Tine; Rypdal, Kristoffer; Fredriksen, Hege-Beate; Rypdal, Martin wibe; Løvsletten, Ola. Is there a break in scaling on centennial time scale in Holocene temperature records. EGU General Assembly 2015-04-12 - 2015-04-17 2015.

  • Løvsletten, Ola; Rypdal, Martin wibe; Rypdal, Kristoffer; Fredriksen, Hege-Beate. Significance-testing of trends: Long-range dependence and model selection. Physical origins of correlated extreme events 2014-06-11 - 2014-06-13 2014.

  • Rypdal, Kristoffer; Rypdal, Martin wibe; Nilsen, Tine; Fredriksen, Hege-Beate. The Nature of the Macroweather-Climate Scaling Break in the Holocene. AGU Fall meeting 2014 2014-12-15 - 2014-12-19 2014.

  • Solhaug, randi merete; Nilsen, Tine; Fredriksen, Hege-Beate; Rypdal, Kristoffer; Hall, Chris. Hvorfor skal vi stole på klimaforskerne?. 2014.

  • Nilsen, Tine; Fredriksen, Hege-Beate; Rypdal, Kristoffer. Long-range memory in temperature reconstructions from ice cores: glacial vs interglacial climate conditions. AGU Fall Meeting 2014 2014-12-15 - 2014-12-19 2014.

  • Fredriksen, Hege-Beate; Rypdal, Kristoffer; Rypdal, Martin wibe. Why does global surface temperature exhibit more persistent temporal scaling than local temperatures?. European geosciences union general assembly 2014 2014-04-27 - 2014-05-02 2014.

  • Fredriksen, Hege-Beate; Løvsletten, Ola; Rypdal, Martin wibe; Rypdal, Kristoffer. The statistical differences between the gridded temperature datasets, and their implications for stochastic modelling. American geophysical union fall meeting 2014 2014-12-15 - 2014-12-19 2014.

  • Fredriksen, Hege-Beate; Rypdal, Kristoffer; Rypdal, Martin wibe. Long-range memory in Earth surface temperature: spatial scale dependence and land-sea differences. European Geosciences Union General assembly 2013 2013-04-07 - 2013-04-12 2013.

  • Fredriksen, Hege-Beate; Rypdal, Kristoffer; Rypdal, Martin wibe; Løvsletten, Ola. Spatial scale dependence of long-range memory properties of Earth surface temperature. American Geophysical Union Fall Meeting 2013 2013-12-09 - 2013-12-13 2013.