Jerry Tjiputra

Forsker I

Bjerknes Centre for Climate Research

Personal page

E-mailJerry.Tjiputra@uib.no
Visitor Address
Allegt. 55
Postal Address
Postboks 7800

5007 BERGEN

Publications

Academic article

2020. Ocean biogeochemistry in the Norwegian Earth System Model version 2 (NorESM2). Geoscientific Model Development.
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2020. Interglacial instability of North Atlantic Deep Water ventilation. Science. 1485-1489.
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2020. Atlantic Meridional Overturning Circulation and δ13C Variability During the Last Interglacial. Paleoceanography and Paleoclimatology.
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2019. The response of permafrost and high latitude ecosystems under large scale stratospheric aerosol injection and its termination. Earth's Future. 605-614.
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2019. Inequal responses of drylands to radiative forcing geoengineering methods. Geophysical Research Letters. 14011-14020.
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2019. Description and evaluation of NorESM1-F: a fast version of the Norwegian Earth System Model (NorESM). Geoscientific Model Development. 343-362.
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2018. Sources of Uncertainty in Modeled Land Carbon Storage within and across Three MIPs: Diagnosis with Three New Techniques. Journal of Climate. 2833-2851.
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2018. Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial. Climate of the Past. 1961-1976.
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2018. Ocean Carbon Cycle Feedbacks Under Negative Emissions. Geophysical Research Letters. 5062-5070.
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2018. Net Community Production in the Southern Ocean: Insights From Comparing Atmospheric Potential Oxygen to Satellite Ocean Color Algorithms and Ocean Models. Geophysical Research Letters. 10549-10559.
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2018. Mechanisms and early detections of multidecadal oxygen changes in the interior subpolar North Atlantic. Geophysical Research Letters. 4218-4229.
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2018. Land Surface Cooling Induced by Sulfate Geoengineering Constrained by Major Volcanic Eruptions. Geophysical Research Letters. 5663-5671.
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2018. Future ecosystem changes in the Northeast Atlantic: a comparison between a global and a regional model system. ICES Journal of Marine Science. 2355-2369.
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2018. Evaluating global land surface models in CMIP5: Analysis of ecosystem water- and light-use efficiencies and rainfall partitioning. Journal of Climate. 2995-3008.
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2018. Constraining Projection-Based Estimates of the Future North Atlantic Carbon Uptake. Journal of Climate. 3959-3978.
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2018. Climate response to aerosol geoengineering: a multi-method comparison. Journal of Climate. 6319-6340.
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2018. Atlantic deep water circulation during the last interglacial. Scientific Reports. 8 pages.
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2018. A model-based evaluation of the Inverse Gaussian transit-time distribution method for inferring anthropogenic carbon storage in the ocean. Journal of Geophysical Research (JGR): Oceans. 1777-1800.
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2017. Rapid emergence of climate change in environmental drivers of marine ecosystems. Nature Communications. 1-9.
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2017. Ensemble data assimilation for ocean biogeochemical state and parameter estimation at different sites. Ocean Modelling. 65-89.
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2017. Climate engineering and the ocean: effects on biogeochemistry and primary production. Biogeosciences. 5675-5691.
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2017. Amplification of global warming through pH dependence of DMS production simulated with a fully coupled Earth system model. Biogeosciences. 3633-3648.
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2016. The Southern Ocean as a constraint to reduce uncertainty in future ocean carbon sinks. Earth System Dynamics. 295-312.
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2016. Net primary productivity estimates and environmental variables in the Arctic Ocean: An assessment of coupled physical-biogeochemical models. Journal of Geophysical Research (JGR): Oceans. 8635-8669.
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2016. Inconsistent strategies to spin up models in CMIP5: implications for ocean biogeochemical model performance assessment. Geoscientific Model Development. 1827-1851.
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2016. Impact of idealized future stratospheric aerosol injection on the large-scale ocean and land carbon cycles. Journal of Geophysical Research (JGR): Biogeosciences. 2-27.
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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.
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2016. Evaluating CMIP5 ocean biogeochemistry and Southern Ocean carbon uptake using atmospheric potential oxygen: Present-day performance and future projection. Geophysical Research Letters. 2077-2085.
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2015. Trends and drivers in global surface ocean pH over the past 3 decades. Biogeosciences. 1285-1298.
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2015. Scale-Dependent Performance of CMIP5 Earth System Models in Simulating Terrestrial Vegetation Carbon. Journal of Climate. 5217-5232.
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2015. Responses of carbon uptake and oceanic pCO2 to climate change in the North Atlantic: A model study with the Bergen Earth System Model. Global Biogeochemical Cycles. 1567-1583.
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2015. Evaluating the ocean biogeochemical components of Earth system models using atmospheric potential oxygen and ocean color data. Biogeosciences. 193 -208.
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2014. Projected pH reductions by 2100 might put deep North Atlantic biodiversity at risk. Biogeosciences. 6955-6967.
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2014. Nonlinearity of ocean carbon cycle feedbacks in CMIP5 earth system models. Journal of Climate. 3869-3888.
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2014. Long-term surface pCO2 trends from observations and models. Tellus. Series B, Chemical and physical meteorology.
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2014. Changes in soil organic carbon storage predicted by Earth system models during the 21st century. Biogeosciences. 2341-2356.
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2014. Causes and implications of persistent atmospheric carbon dioxide biases in Earth system models. Journal of Geophysical Research (JGR): Biogeosciences. 141-162.
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2014. An update to the Surface Ocean CO2 Atlas (SOCAT version 2). Earth System Science Data. 69-90.
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2013. Twenty-first-century compatible CO2 emissions and airborne fraction simulated by CMIP5 Earth system models under four representative concentration pathways. Journal of Climate. 4398-4413.
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2013. The effects of aggressive mitigation on steric sea level rise and sea ice changes. Climate Dynamics. 531-550.
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2013. Regional hydrological cycle changes in response to an ambitious mitigation scenario. Climatic Change. 389-403.
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2013. Oxygen and indicators of stress for marine life in multi-model global warming projections. Biogeosciences. 1849-1868.
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2013. Multiple stressors of ocean ecosystems in the 21st century: projections with CMIP5 models. Biogeosciences. 6225-6245.
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2013. Evaluation of the carbon cycle components in the Norwegian Earth System Model (NorESM). Geoscientific Model Development. 301-325.
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2013. Carbon-Concentration and Carbon-Climate Feedbacks in CMIP5 Earth System Models. Journal of Climate. 5289-5314.
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2013. Biotic and human vulnerability to projected changes in ocean biogeochemistry over the 21st century. PLoS Biology.
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2013. A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data. 125-143.
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2012. Variability of the ocean carbon cycle in response to the North Atlantic Oscillation. Tellus. Series B, Chemical and physical meteorology. 1-25.
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2012. Pre-industrial and mid-Pliocene simulations with NorESM-L. Geoscientific Model Development. 523-533.
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2012. A model study of the seasonal and long-term North Atlantic surface pCO(2) variability. Biogeosciences. 907-923.
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2011. Role of volcanic forcing on future global carbon cycle. Earth System Dynamics.
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2011. Regional Impacts of Climate Change and Atmospheric CO2 on Future Ocean Carbon Uptake: A Multimodel Linear Feedback Analysis. Journal of Climate. 2300-2318.
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2011. Climate change under aggressive mitigation: the ENSEMBLES multi-model experiment. Climate Dynamics. 1975-2003.
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2010. Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT. Global Biogeochemical Cycles. 21 pages.
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2010. Bergen Earth system model (BCM-C): model description and regional climate-carbon cycle feedbacks assessment. Geoscientific Model Development. 123-141.
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2010. Anthropogenic carbon dynamics in the changing ocean. Ocean Science. 605-614.
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2009. Bergen earth system model (BCM- C): model description and regional climate-carbon cycle feedbacks assessment. Geoscientific Model Development. 845-887.
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2009. Assessing the uncertainties of model estimates of primary productivity in the tropical Pacific Ocean. Journal of Marine Systems. 113-133.
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Lecture

2019. Biogeochemical Predictions - Initialization and Sources of Potential Predictability.
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2019. Biogeochemical Predictions - An update from Bergen.
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2017. Arctic sea ice in a climate engineered world - implications for shipping.
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2016. Estimation of anthropogenic carbon in the ocean using transit-time distribution (TTD) and evaluation of its uncertainties based on ocean model output.
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2014. Quantifying the climate-driven processes leading to a reduced CO2 uptake in the North Atlantic: A model study with the Bergen Climate Model.
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2014. Mechanism and detectability of basin scale interannual surface pCO2 in North Atlantic and North Pacific.
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2014. Large scale and regional impacts of enhanced ocean and terrestrial CO2 sinks to future stratospheric aerosol injection.
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Popular scientific lecture

2020. How eating your daily vegetables contributes to marine Big Data.
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Academic lecture

2020. Strength and reversibility of the ocean carbon sink under negative emissions.
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2020. Southern Hemisphere jet stream: emergent constraints on future shift in zonally varying framework.
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2020. On the Potential of the Southern Ocean Biological Pump to Maintain the Ocean Carbon Sink under Negative Emissions .
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2019. WP6 - Assessment of model enhancements through coordinated Earth system experiments.
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2019. Variability in ocean ventilation during recent interglacial periods.
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2019. Using genetic algorithms and big data technologies for constraint optimization of future climate projections.
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2019. The reversibility of anthropogenically-forced change in biogeochemical drivers in the North Atlantic. Can we still go back to pre-industrial levels?
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2019. Process-based constrained on ocean deoxygenation.
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2019. Oxygen as a proxy for circulation and ventilation variability.
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2019. Ocean carbon inventory under warmer climate conditions – the case of the Last Interglacial .
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2019. Marine Big Data: a global modelling perspective.
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2019. Interplay of climate, land use, and solar radiation management indicates potential tipping points of global yield of major crops.
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2019. Environmental drivers and future of reef services.
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2019. Assessment of model enhancements through coordinated Earth system experiments.
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2019. Application of genetic algorithm to locally optimize emergent constraints of the future North Atlantic carbon uptake.
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2018. Using interior oxygen to track future ocean circulation changes.
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2018. The Atlantic deep water circulation during the last interglacial.
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2018. Oxygen as indicator for ”tipping point” in the North Atlantic Subpolar circulation.
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2018. Ocean Carbon Cycle Feedbacks under negative Emissions.
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2018. Observations-constrained projections reveal early and strong deoxygenation in the interior North Atlantic.
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2018. NorESM application for paleoceanography and carbon cycle studies.
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2018. Inter-annual to Multi-centennial Variabilities of Simulated AMOC in an Earth System Model.
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2018. Future ecosystem changes in the Northeast Atlantic: a comparison between a global and a regional model system.
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2018. Early detection of anthropogenic climate change signal in the interior subpolar North Atlantic oxygen.
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2018. Early detection of anthropogenic climate change signal in the interior subpolar North Atlantic.
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2018. Columbia Toppforsk project Kick-off meeting.
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2018. C-isotopes in NorESM – status of implementation.
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2018. Arctic primary production in IPCC-class ESMs: Predictions and limitations.
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2018. Applying Big Data and Genetic Algorithm to Constrain Spread in Ocean Carbon Sink Projections.
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2017. Projected changes in ocean acidification in the Arctic: effects of going regional.
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2017. Low and overshoot emission scenarios – from a high to a low carbon society (LOES).
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2017. Land and ocean carbon cycle responses to three radiation management geoengineering methods.
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2017. Impacts of future radiation management scenarios on terrestrial carbon dynamics.
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2017. Impact of idealized stratospheric aerosol injection on the future ocean and land carbon cycle.
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2017. How would the ocean carbon cycle be affected by radiation management geoengineering?
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2017. Exploring the Potential and Side-effects of Aerosol-based Geoengineering.
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2017. Emerging climate change signals in the interior ocean oxygen content.
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2017. Climate change and environmental drivers of marine ecosystems.
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2017. Carbon cycling in Norwegian Earth System Model version 2 (NorESM2).
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2017. Applying genetic algorithm to constrain spread in ocean carbon sink projections.
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2017. An introduction to aerosol injection climate engineering.
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2017. Amplification of global warming through pH-dependence of DMS-production.
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2016. Unique roles of time-series observation for ocean carbon cycle modeling.
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2016. Simulated transition from RCP8.5 to RCP4.5 through three different Radiation Management techniques.
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2016. Ocean biogeochemical responses to AMOC variability in a changing climate.
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2016. NorESM2 - ocean updates for CMIP6.
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2016. Mechanisms and detectability of oxygen depletion in the North Atlantic.
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2016. From CMIP5 to CMIP6: New developments for the ocean biogeochemistry module of NorESM.
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2016. EVA WP 2: Coupling of DMS emissions - first results.
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2015. Positive future climate feedback due to changes in oceanic DMS emissions.
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2015. Positive future climate feedback due to changes in oceanic DMS emissions.
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2015. Implication of future large scale SAI on land and ocean biogeochemistry.
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2015. Evaluating the ocean biogeochemical components of earth system models using atmospheric potential oxygen (APO).
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2014. Ocean circulation and heat content response to climate engineering by sulphur injection.
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2014. Future pH Reductions put North Atlantic Deep-Sea Ecosystems at Risk.
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2014. Current and planned carbon cycle research at the Bjerknes Centre for Climate Research.
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2013. North Atlantic variability of oceanic CO2 uptake in response to simulated past, present and future climate change.
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2012. North Atlantic and Arctic Ocean carbon biogeochemical responses and feedbacks to climate change.
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2012. Carbon cycle feedbacks, results from CMIP5.
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2011. Was AMOC stronger in the Mid-Pliocene, simulation with NorESM.
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2011. Simulating the climate from paleocene to present-daz and beyond: Challenges in climate modelling.
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2011. Overturning simulation in the Cenozoic with NorESM.
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2011. Middle Pliocene simulation with NorESM.
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2011. Earth System Model: Unravelling the global carbon cycle.
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2011. Assessment of the ocean carbon cycle feedbacks strength using multi-Earth system models.
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2010. Winter versus summer onset of undersaturation in the Arctic Ocean.
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2010. The NorESM model.
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2010. Global carbon cycle projection using the Bergen Earth system model.
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2009. Biogeochemical part of the Earth System Model.
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2009. A model intercomparison of the climate-carbon cycle feedback from the global ocean:Regional feedback analyses and mechanisms.
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2008. Overview of Bergen Earth system model.
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2008. A first interactive carbon cycle climate run based on BCM.
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Interview

2013. Flott NORKLIMA-uttelling for UiB og GEO!
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2011. Vulkaner kan bremse klimaendringer.
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2010. Varsler mer klimatrøbbel.
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2010. Varsler mer klimatrøbbel.
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2010. Varmere klode gir mer CO2.
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2010. Varmere klode - mer CO2.
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2010. En evig Co2-sirkel.
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Poster

2020. Spatio-temporal anthropogenic footprints on ecosystem drivers of the interior North Atlantic.
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2020. Parameter estimation of 1D ocean biogeochemical model.
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2020. Importance of the biological pump for reducing uncertainties in future carbon uptake projections.
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2019. The multiple pathways of the biological carbon pump: current understanding and future challenges. .
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2019. Last Interglacial δ13C variability in the North Atlantic - a model study .
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2019. Consequences of solar geoengineering on terrestrial carbon cycle and agricultural production .
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2019. Climate engineering and the ocean: effects on biogeochemistry and primary production.
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2019. Asymmetry in air-sea CO2 fluxes during rapid warming and rapid cooling scenarios.
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2019. Application of a Big Data approach to constrain projection-based estimates of the future North Atlantic Carbon Uptake.
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2019. Amplification of future warming through changes in DMS emissions.
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2019. A big data approach towards the emergent constraint of the future climate change in the Southern Hemisphere in CMIP5 models.
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2019. A Study of Decadal Ocean Deoxygenation and Heat Uptake from a suite of OMIP Simulations .
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2018. The Atlantic deep water circulation during the last interglacial.
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2018. Improved seasonal projec0on of regional ocean biogeochemical States through Ensemble data assimila0on.
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2018. Global indicators of ocean carbon uptake: a pilot study.
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2018. Elucidating the mechanisms responsible for the ocean carbon budget changes between the onset (125ka) and offset (115ka) of the Eemian.
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2017. The subpolar gyre region as benchmark for the future anthropogenic carbon budget of the North Atlantic.
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2017. Ocean carbon-concentration and carbon-climate feedbacks under negative emissions .
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2017. Implementing a matrix-free Newton-Krylov method in NorESM.
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2017. Impacts of radiation management techniques on the North Atlantic Oscillation.
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2017. Global indicators of ocean carbon uptake: a pilot study .
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2017. Exploring the potential and side effects of radiation management climate engineering.
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2017. Comparative climate response of using three different aerosol geoengineering techniques to transfer from RCP8.5 to RCP4.5.
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2017. A model-based evaluation of the Transit-time Distribution (TTD) method for inferring anthropogenic carbon storage in the ocean.
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2016. Thresholds for destabilizing thermohaline circulation and ocean carbon cycling in a warmer world (THRESHOLDS).
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2016. Reducing Uncertainties in Anthropogenic Carbon Budget Projections for the Subpolar North Atlantic.
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2016. Geoengineering and the ocean carbon cycle: a closer look at net primary production.
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2016. Deep ocean carbon sequestration and estimates of the ocean carbon sink.
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2016. Contemporary Southern Ocean CO2 Sink as a Constrain for Reducing Uncertainty of Future Ocean Carbon Sink.
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2015. Using modes of natural variability to identify uncertainties of CMIP5 predictions in the Subpolar North Atlantic.
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2015. The effect of climate change on the biogeochemistry of the North Atlantic: A study with the Bergen Climate Model.
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2015. The Carbon uptake sensitivity of the North Atlantic to climate change: A model study with the Bergen Climate Model.
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2015. Sub-regional responses of carbon uptake and oceanic pCO2 to climate change in the North Atlantic: A model study with the Bergen Earth System Model.
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2015. Sensitivity and regional change of future biological carbon pump to POC flux parameterization.
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2015. Performance of CMIP5 models in the Subpolar North Atlantic: Using historical and control simulations to identify uncertainties in the prediction of key climate properties.
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2015. Contemporary Southern Ocean CO2 sink as a constrain to reduce uncertainty in future ocean carbon sinks.
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2014. Modelling and assessing climate change impacts on the CO2 uptake of the North Atlantic.
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2014. Different response of the natural and the anthropogenically disturbed ocean carbon cycle to changing climate.
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2013. Subdecadally resolved SE Pacific surface and intermediate water property variability spanning 500-1700 AD.
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2013. North Atlantic variability of oceanic CO2 uptake in response to simulated past, present and future climate change.
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2013. Nonlinearity of ocean carbon cycle feedbacks in CMIP5 models.
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2013. Long-term trends in oceanic pCO2 from models and observations.
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2012. Trends in the North Atlantic CO2 uptake and their correlation to ocean circulation and stratification as simulated by the Bergen Climate Model.
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2012. Oxygen, fCO2 and the Respiration Index simulated by seven Earth System Models.
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2012. North Atlantic trends in ocean circulation and stratification and their correlation to the oceanic CO2 uptake as simulated by the Bergen Climate Model.
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2012. Interactions between ocean carbon cycle and climate variability in the Equatorial Pacific simulated by CMIP5 models.
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2012. Climate change impact on ocean carbon uptake CMIP5 in Earth System Models.
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2012. Climate change impact on ocean acidification as modelled by CMIP5 earth system models.
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2011. Volcanic forcing feedback on future global climate and carbon cycle.
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2011. Ability of MICOM/HAMOCC model to reproduce past and present observations of ocean acidification related quantities.
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2009. Recent progress in Earth System modeling in Norway: The global carbon cycle.
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2009. CarboSeason: Marine Data Products.
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2008. Potential future changes in ocean acidity using an earth system model.
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Errata

2015. Corrigendum to "evaluating the ocean biogeochemical components of Earth system models using atmospheric potential oxygen and ocean color data" published in Biogeosciences, 12, 193-208, 2015. Biogeosciences. 2891.
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Article in business/trade/industry journal

2020. Menneskeskapte klimaendringer vil påvirke havene i minst 1000 år etter vi har kuttet våre utslipp. Naturen.
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More information in national current research information system (CRIStin)

Research groups

Biogeochemistry