Home
  • E-mailingo.bethke@uib.no
  • Phone+47 55 58 38 23
  • Visitor Address
    Allégaten 70
    5007 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Show author(s) (2022). WMO Global Annual to Decadal Climate Update A Prediction for 2021-25. Bulletin of The American Meteorological Society - (BAMS). E1117-E1129.
  • Show author(s) (2022). Impact of initialization methods on the predictive skill in NorCPM: an Arctic–Atlantic case study. Climate Dynamics.
  • Show author(s) (2021). Relating model bias and prediction skill in the equatorial Atlantic. Climate Dynamics. 2617-2630.
  • Show author(s) (2021). Propagation of Thermohaline Anomalies and Their Predictive Potential along the Atlantic Water Pathway. Journal of Climate. 2111-2131.
  • Show author(s) (2021). Potential Influences of Volcanic Eruptions on Future Global Land Monsoon Precipitation Changes. Earth's Future. 14 pages.
  • Show author(s) (2021). Pacific contribution to decadal surface temperature trends in the Arctic during the twentieth century. Climate Dynamics. 3223-3243.
  • Show author(s) (2021). NorCPM1 and its contribution to CMIP6 DCPP. Geoscientific Model Development. 7073-7116.
  • Show author(s) (2021). Evaluating the biological pump efficiency of the Last Glacial Maximum ocean using d13C. Climate of the Past. 753-774.
  • Show author(s) (2020). The Change in the ENSO Teleconnection under a Low Global Warming Scenario and the Uncertainty due to Internal Variability. Journal of Climate. 4871-4889.
  • Show author(s) (2020). Overview of the Norwegian Earth System Model (NorESM2) and key climate response of CMIP6 DECK, historical, and scenario simulations. Geoscientific Model Development. 6165-6200.
  • Show author(s) (2020). Ocean biogeochemistry in the Norwegian Earth System Model version 2 (NorESM2). Geoscientific Model Development. 2393-2431.
  • Show author(s) (2020). Ocean Biogeochemical Predictions—Initialization and Limits of Predictability. Frontiers in Marine Science.
  • Show author(s) (2020). North Atlantic climate far more predictable than models imply. Nature.
  • Show author(s) (2019). Limiting global warming to 1.5 °C will lower increases in inequalities of four hazard indicators of climate change. Environmental Research Letters.
  • Show author(s) (2019). Impact of ocean and sea ice initialisation on seasonal prediction skill in the Arctic. Journal of Advances in Modeling Earth Systems. 4147-4166.
  • Show author(s) (2019). Equilibrium simulations of Marine Isotope Stage 3 climate. Climate of the Past. 1133-1151.
  • Show author(s) (2019). Description and evaluation of NorESM1-F: a fast version of the Norwegian Earth System Model (NorESM). Geoscientific Model Development. 343-362.
  • Show author(s) (2019). Arctic amplification under global warming of 1.5 and 2 °C in NorESM1-Happi. Earth System Dynamics. 569-598.
  • Show author(s) (2018). Robust changes in tropical rainy season length at 1.5°C and 2°C. Environmental Research Letters. 1-13.
  • Show author(s) (2018). Pacific contribution to the early twentieth-century warming in the Arctic. Nature Climate Change. 793-797.
  • Show author(s) (2018). Optimising assimilation of sea ice concentration in an Earth system model with a multicategory sea ice model. Tellus. Series A, Dynamic meteorology and oceanography. 1-23.
  • Show author(s) (2018). Midlatitude atmospheric circulation responses under 1.5°C and 2.0°C warming and implications for regional impacts. Earth System Dynamics. 359-382.
  • Show author(s) (2018). Impacts of half a degree additional warming on the Asian summer monsoon rainfall characteristics. Environmental Research Letters. 1-11.
  • Show author(s) (2018). Global Freshwater availability below normal conditions and population impact under 1.5°C and 2°C stabilization scenarios. Geophysical Research Letters. 9803-9813.
  • Show author(s) (2018). A production-tagged aerosol module for earth system models, OsloAero5.3-extensions and updates for CAM5.3-Oslo. Geoscientific Model Development. 3945-3982.
  • Show author(s) (2017). Sea-ice free Arctic contributes to the projected warming minimum in North Atlantic. Environmental Research Letters. 1-8.
  • Show author(s) (2017). Potential volcanic impacts on future climate variability. Nature Climate Change. 799-805.
  • Show author(s) (2017). Optimising assimilation of hydrographic profiles into isopycnal ocean models with ensemble data assimilation. Ocean Modelling. 33-44.
  • Show author(s) (2017). Northern North Atlantic sea level in CMIP5 climate models – evaluation of mean state, variability and trends against altimetric observations. Journal of Climate. 9383-9398.
  • Show author(s) (2017). Half a degree additional warming, prognosis and projected impacts (HAPPI): Background and experimental design. Geoscientific Model Development. 571-583.
  • Show author(s) (2017). Ensemble data assimilation for ocean biogeochemical state and parameter estimation at different sites. Ocean Modelling. 65-89.
  • Show author(s) (2017). Causes of the large warm bias in the Angola–Benguela Frontal Zone in the Norwegian Earth System Model. Climate Dynamics. 1-20.
  • Show author(s) (2016). The offline Lagrangian particle model FLEXPART-NorESM/CAM (v1): Model description and comparisons with the online NorESM transport scheme and with the reference FLEXPART model. Geoscientific Model Development. 4029-4048.
  • Show author(s) (2016). Flow-dependent assimilation of sea surface temperature in isopycnal coordinates with the Norwegian climate prediction model . Tellus. Series A, Dynamic meteorology and oceanography.
  • Show author(s) (2016). Evaluation of NorESM-OC (versions 1 and 1.2), the ocean carbon-cycle stand-alone configuration of the Norwegian Earth System Model (NorESM1). Geoscientific Model Development. 2589-2622.
  • Show author(s) (2015). Investigating the recent apparent hiatus in surface temperature increases: 2. Comparison of model ensembles to observational estimates. Journal of Geophysical Research (JGR): Atmospheres. 8597-8620.
  • Show author(s) (2015). Investigating the recent apparent hiatus in surface temperature increases: 1. Construction of two 30-member Earth System Model ensembles. Journal of Geophysical Research (JGR): Atmospheres. 8575-8596.
  • Show author(s) (2014). Seasonal-to-decadal predictions with the ensemble kalman filter and the Norwegian earth System Model: A twin experiment. Tellus. Series A, Dynamic meteorology and oceanography.
  • Show author(s) (2014). Mechanism on how the spring arctic sea ice impacts the East Asian summer monsoon. Theoretical and Applied Climatology. 107-119.
  • Show author(s) (2013). The Norwegian Earth System Model, NorESM1-M - Part 2: Climate response and scenario projections. Geoscientific Model Development. 389-415.
  • Show author(s) (2013). The Norwegian Earth System Model, NorESM1-M - Part 1: Description and basic evaluation of the physical climate. Geoscientific Model Development. 687-720.
  • Show author(s) (2012). Pre-industrial and mid-Pliocene simulations with NorESM-L. Geoscientific Model Development. 523-533.
  • Show author(s) (2012). Early Eocene Asian climate dominated by desert and steppe with limited monsoons. Journal of Asian Earth Sciences. 24-35.
  • Show author(s) (2012). Can we use ice sheet reconstructions to constrain meltwater for deglacial simulations? Paleoceanography. 17 pages.
  • Show author(s) (2011). Tropical seaways played a more important role than high latitude seaways in Cenozoic cooling. Climate of the Past. 801-813.
  • Show author(s) (2010). Bergen Earth system model (BCM-C): model description and regional climate-carbon cycle feedbacks assessment. Geoscientific Model Development. 123-141.
  • Show author(s) (2009). Simulated pre-industrial climate in Bergen Climate Model (version 2): model description and large-scale circulation features. Geoscientific Model Development. 507-549.
  • Show author(s) (2009). Bergen earth system model (BCM- C): model description and regional climate-carbon cycle feedbacks assessment. Geoscientific Model Development. 845-887.
  • Show author(s) (2006). Towards a more saline North Atlantic and a fresher Arctic under global warming. Geophysical Research Letters. L21712.
Report
  • Show author(s) (2010). D4.1-16 - Potential predictability of long-term anomalies from ensemble integrations with the global model BCM. .
Lecture
  • Show author(s) (2021). Towards contributing seasonal forecasts to the Copernicus Climate Change Service with NorCPM.
  • Show author(s) (2020). NorCPM operational forecast system.
  • Show author(s) (2019). The role of model bias for prediction skill and methods to constrain it.
  • Show author(s) (2019). Status of climate prediction and future challenges: a perspective from Norway.
  • Show author(s) (2019). Recent developments of the Norwegian Climate Prediction Model for seasonal to decadal predictions.
  • Show author(s) (2019). NorESM data workflow.
  • Show author(s) (2019). Investigating the ENSO teleconnection response to global warming using a multi-model large-ensemble experiment.
  • Show author(s) (2019). Enhancing the skill of dynamical climate prediction: Avenue explored with the NorCPM.
  • Show author(s) (2019). Biogeochemical Predictions - Initialization and Sources of Potential Predictability.
  • Show author(s) (2019). Biogeochemical Predictions - An update from Bergen.
  • Show author(s) (2018). Enhanced skill of dynamical prediction in the Arctic.
  • Show author(s) (2018). Dynamical climate predictions at the Bjerknes Center.
  • Show author(s) (2018). Development and current S2D prediction skill of the Norwegian Climate Prediction Model .
  • Show author(s) (2018). CMOR post-processing of NorESM output 
–
 CMIP5 & CMIP6.
  • Show author(s) (2016). Reanalysis and climate prediction with the Norwegian Climate Prediction Model .
  • Show author(s) (2016). Reanalysis and climate prediction with the Norwegian Climate Prediction Model .
  • Show author(s) (2016). NorESM simulations for HAPPI - status and plans.
  • Show author(s) (2016). Flow dependent assimilation of SST in isopycnal coordinate with the NorCPM.
  • Show author(s) (2016). CPU and storage resources.
  • Show author(s) (2015). Norwegian Climate Prediction Model (NorCPM) - getting ready for CMIP6 DCPP.
  • Show author(s) (2015). CMOR post-processing of NorESM output.
Popular scientific lecture
  • Show author(s) (2008). Ocean acidification from increasing CO2: ecological consequences and climate feedbacks.
Academic lecture
  • Show author(s) (2021). Relating model bias and prediction skill in the equatorial Atlantic.
  • Show author(s) (2021). Propagation of Thermohaline Anomalies and their predictive potential in the Northern North Atlantic.
  • Show author(s) (2021). Incorporating missing volcanic impacts into future climate impact assessments .
  • Show author(s) (2021). Incorporating missing volcanic impacts into future climate impact assessments.
  • Show author(s) (2020). Approaches to reduce model biases and initialize high-resolution climate models.
  • Show author(s) (2019). Norwegian Climate Prediction Model (NorCPM).
  • Show author(s) (2019). NorESM User Workshop.
  • Show author(s) (2019). NorCPM1 and its contribution to CMIP6 DCPP.
  • Show author(s) (2019). Assessing the contribution of ocean and sea ice initialization for seasonal prediction in the Arctic.
  • Show author(s) (2019). Approaches to reduce model bias and improve climate predictions.
  • Show author(s) (2018). Visualization of uncertainty in climate projections imposed by volcanic activity .
  • Show author(s) (2018). Tropical Atlantic model error and regional projections of climate change.
  • Show author(s) (2018). Towards including volcanic effects 
in future climate impact assessments.
  • Show author(s) (2018). Subtropical North Atlantic preconditioning key to skilful subpolar gyre prediction.
  • Show author(s) (2018). Sensitivity of high-latitude ENSO teleconnection to global warming.
  • Show author(s) (2018). Seasonal prediction skill in the tropical Atlantic using anomaly coupling.
  • Show author(s) (2018). Robust changes in tropical rainy season length at 1.5°C.
  • Show author(s) (2018). Potential volcanism in future climate impact assessment.
  • Show author(s) (2018). Pacific contribution to the early 20th century warming in the Arctic.
  • Show author(s) (2018). Optimised assimilation of sea ice concentration and its implications for climate prediction.
  • Show author(s) (2018). Optimised assimilation of sea ice concentration and implications for climate prediction.
  • Show author(s) (2018). Norwegian Climate Prediction Model.
  • Show author(s) (2018). Can we use flow dependent assimilation with a high resolution Earth System Model ?
  • Show author(s) (2017). Pacific contribution to the early 20th century warming in the Arctic.
  • Show author(s) (2017). Pacific contribution to the early 20th century warming in the Arctic.
  • Show author(s) (2017). Optimising assimilation of sea ice concentration in a fully coupled Earth system model with a multicategory sea ice model.
  • Show author(s) (2017). Lecture on optimising the assimilation of sea ice concentration in a fully coupled Earth system model with a multicategory sea ice model.
  • Show author(s) (2017). Hexagon@University of Bergen, Norway.
  • Show author(s) (2017). Data assimilation of sea ice within NorCPM.
  • Show author(s) (2017). Data assimilation of sea ice - investigating key strategies in an Earth system model with a multi-category sea ice model.
  • Show author(s) (2017). Climate prediction with the Norwegian model NorCPM.
  • Show author(s) (2017). Climate prediction with NorCPM.
  • Show author(s) (2017). Assimilation of sea ice within the Norwegian Climate Prediction Model (keynote).
  • Show author(s) (2017). A role for volcanoes in future climate assessments?
  • Show author(s) (2016). Norwegian Earth System Model (NorESM) preparing for CMIP6.
  • Show author(s) (2016). Mid-Pliocene simulations with the new version of the Norwegian Earth System Model.
  • Show author(s) (2016). From CMIP5 to CMIP6: New developments for the ocean biogeochemistry module of NorESM.
  • Show author(s) (2016). Data assimilation of sea ice within the Norwegian Climate Prediction Model.
  • Show author(s) (2016). Assimilating sea ice in the Norwegian Climate Prediction Model.
  • Show author(s) (2015). The Indian Summer Monsoon and Atlantic Multi-decadal variability.
  • Show author(s) (2015). Investigating the role of the Atlantic and Pacific in the early 20th century warming.
  • Show author(s) (2015). Computational status/challenges.
  • Show author(s) (2014). Seasonal-to-decadal prediction with NorCPM.
  • Show author(s) (2014). Seasonal to decadal prediction with NorCPM.
  • Show author(s) (2014). Seasonal to decadal prediction with NorCPM.
  • Show author(s) (2013). Seasonal-decadal prediction with the EnKF and NorESM: a twin experiment.
  • Show author(s) (2013). Seasonal-decadal prediction with the EnKF and NorESM: a twin experiment.
  • Show author(s) (2012). Seasonal-decadal prediction with the EnKF and NorESM.
  • Show author(s) (2012). Estimates of Construction-Related Parameters and Extremes in Bergen-Hardanger Region. Climate change detection, assessment of trends, variability and extremes.
  • Show author(s) (2012). Estimates of Construction-Related Climate Parameters and Extremes in Bergen-Hardanger Region.
  • Show author(s) (2011). When enough is not enough: the Einfrastructure challenges in Climate Research.
  • Show author(s) (2011). Was AMOC stronger in the Mid-Pliocene, simulation with NorESM.
  • Show author(s) (2011). Transient simulations of the last deglaciation: can we use ice sheet reconstructions to constrain meltwater discharge?
  • Show author(s) (2011). Simulating the climate from paleocene to present-daz and beyond: Challenges in climate modelling.
  • Show author(s) (2011). Overturning simulation in the Cenozoic with NorESM.
  • Show author(s) (2011). Obtain high resolution climate information by regional climate simulation for Bergen-Hardanger region.
  • Show author(s) (2011). Middle Pliocene simulation with NorESM-L.
  • Show author(s) (2011). Middle Pliocene simulation with NorESM.
  • Show author(s) (2010). Transient Simulations of the Last Deglaciation.
  • Show author(s) (2010). Transient Climate Simulations of the Last Deglaciation".
  • Show author(s) (2010). Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans.
  • Show author(s) (2009). The role of Tethys Seaway in Cenozic climate.
  • Show author(s) (2009). Did the opening of the Drake Passage play a significant role in Cenozoic cooling?
  • Show author(s) (2009). Cenozoic cooling and the role of tropical seaways as a trigger for Antarctic glaciation.
  • Show author(s) (2008). Overview of Bergen Earth system model.
  • Show author(s) (2008). A first interactive carbon cycle climate run based on BCM.
  • Show author(s) (2007). Projected changes in the climate of the Barents Sea region in the 21st century.
  • Show author(s) (2006). Cetennial Nordic Seas ocean acidification, aragonite saturation, pelagic calcifiers and cold water reefs.
  • Show author(s) (2006). Centennial High Latitude Ocean Acidification.
  • Show author(s) (2005). Atlantic ocean circulation.
  • Show author(s) (2004). On the recent time history and forcing of the inflow of Atlantic Water to the Arctic Mediterranean.
Thesis at a second degree level
  • Show author(s) (2004). Simulated Mass, Heat and Freshwater Budgets of the Arctic Mediterranean - Present and Future.
Popular scientific article
  • Show author(s) (2007). Varmare enn venta. Hubro. Magasin for Universitetet i Bergen. 10-11.
Doctoral dissertation
  • Show author(s) (2012). Contrasting the roles of freshwater and sea ice changes in transient climates.
Programme participation
  • Show author(s) (2007). To scenarier for global oppvarming.
  • Show author(s) (2007). Se orkanen Katrina.
Abstract
  • Show author(s) (2004). On the recent time history and forcing of the inflow of Atlantic Water to the Arctic Mediterranean. The ACIA International Symposium on Climate Change in the Arctic.
Poster
  • Show author(s) (2021). Seasonal prediction in northern Atlantic Ocean and Norwegian Seas.
  • Show author(s) (2021). Predictability of Barents Sea Phytoplankton Concentration.
  • Show author(s) (2021). Coupled reanalyses of NorCPM1 contributed to CMIP6 DCPP.
  • Show author(s) (2020). Ocean Biogeochemical Predictions.
  • Show author(s) (2019). Sensitivity of decadal climate predictions in the North Atlantic to anomaly initialisation choices.
  • Show author(s) (2019). Investigating the ENSO teleconnection response to global warming using a multi-model large-ensemble experiment.
  • Show author(s) (2019). How does the atmospheric ENSO teleconnection change with global warming?
  • Show author(s) (2018). Seasonal-to-decadal prediction with the Norwegian Climate Prediction Model.
  • Show author(s) (2018). Sea-ice free Arctic contributes to the projected warming minimum in the North Atlantic.
  • Show author(s) (2018). Relating model bias and prediction skill in the tropical Atlantic.
  • Show author(s) (2018). Pacific contribution to the early 20th century warming in the Arctic.
  • Show author(s) (2018). Improved seasonal projection of regional ocean biogeochemical States through Ensemble data assimila0on.
  • Show author(s) (2018). Impacts of half a degree additional warming on the Asian monsoon rainfall and extremes.
  • Show author(s) (2018). Assimilation of sea ice in an Earth system model and its impacts for climate prediction .
  • Show author(s) (2018). Assimilation of sea ice in an Earth system model and its impacts for climate prediction.
  • Show author(s) (2018). Assimilation of sea ice in an Earth system model and impacts for climate prediction.
  • Show author(s) (2018). Assimilation of sea ice in an Earth system model.
  • Show author(s) (2018). Assessing the impacts of mid-latitude circulation changes under +1.5ºC and +2ºC warming.
  • Show author(s) (2018). A minimalistic damped harmonic oscillator framework for assessing decadal climate predictability in the Subpolar North Atlantic.
  • Show author(s) (2017). Volcanic eruptions cast shadow over monsoon precipitation and water availability: assessing the risks arising from future eruptions on low-latitude hydroclimate with the help of polar ice cores.
  • Show author(s) (2017). Simulating the climate of Marine Isotope Stage 3.
  • Show author(s) (2017). NorESM simulations of Marine Isotope Stage 3 climates.
  • Show author(s) (2017). Glacial and interglacial simulations with NorESM BCCR fast version.
  • Show author(s) (2017). Assessing the impacts of mid-latitude circulation changes under +1.5ºC and +2ºC warming.
  • Show author(s) (2016). What role for volcanoes in future climate projections?
  • Show author(s) (2016). Volcanic impact on future climate projections.
  • Show author(s) (2016). Investigating the Role of the Atlantic and Pacific in the Early 20th Century Warming.
  • Show author(s) (2012). Pre-indistrial and mid-Pliocene simulations with NorESM-L.
  • Show author(s) (2012). Estimates of Construction-Related Parameters and Extremes in Bergen-Hardanger Region.
  • Show author(s) (2012). Climate dynamics during the deglaciation of the North-Atlantic region.
  • Show author(s) (2012). Climate change impact on ocean acidification as modelled by three Earth system models.
  • Show author(s) (2012). Can we use ice sheet reconstructions to constrain meltwater for deglacial simulations?
  • Show author(s) (2011). The ocean component of the Norwegian Earth System Model.
  • Show author(s) (2010). Cenozoic cooling and the role of tropical seaways as a trigger for Antarctic glaciation.
  • Show author(s) (2009). Regional variability of anthropogenic carbon transport in the ocean - views from the surface and the deep.
  • Show author(s) (2009). Recent progress in Earth System modeling in Norway: The global carbon cycle.
  • Show author(s) (2009). Assessment of regional climate-carbon cycle feedbacks using the Bergen earth system model.
  • Show author(s) (2008). Potential future changes in ocean acidity using an earth system model.
  • Show author(s) (2008). Analysis of global and regional carbon uptake by land and ocean using an earth system modeling approach.
  • Show author(s) (2004). Changes in 21th century Arctic sea ice cover simulated in a multi-member ensemble with the Bergen Climate Model.
Chapter
  • Show author(s) (2016). Assessing the role of volcanoes in future climate prediction. . In:
    • Show author(s) (2016). Climatology of the high latitudes. Extended proceedings of the joint GCR and PEEX workshop at NERSC 29.09.2015. 366. 366. .

More information in national current research information system (CRIStin)

Research groups