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  • E-postTruls.Johannessen@uib.no
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Vitenskapelig artikkel
  • 2019. Wintertime fCO2 variability in the subpolar North Atlantic since 2004 . Geophysical Research Letters. 1580-1590.
  • 2019. Winter weather controls net influx of atmospheric CO2 on the north-west European shelf. Scientific Reports. 1-11.
  • 2019. Trends in anthropogenic carbon in the Arctic Ocean. Progress in Oceanography.
  • 2018. Global Carbon Budget 2018. Earth System Science Data. 2141-2194.
  • 2018. Global Carbon Budget 2017. Earth System Science Data. 405-448.
  • 2017. A global ocean climatology of preindustrial and modern ocean δ13C. Global Biogeochemical Cycles. 515-534.
  • 2016. Survey strategies to quantify and optimize detecting probability of a CO<sub>2</sub> seep in a varying marine environment. Environmental Modelling & Software. 303-309.
  • 2016. Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability. Polar Science. 323-334.
  • 2015. The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. Limnology and Oceanography : Methods. 402-410.
  • 2015. Layout of CCS monitoring infrastructure with highest probability of detecting a footprint of a CO2 leak in a varying marine environment. International Journal of Greenhouse Gas Control. 274-279.
  • 2015. Global carbon budget 2014. Earth System Science Data. 47-85.
  • 2014. An update to the Surface Ocean CO2 Atlas (SOCAT version 2). Earth System Science Data. 69-90.
  • 2013. Surface Ocean CO2 Atlas (SOCAT) gridded data products. Earth System Science Data.
  • 2013. PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. Energy Procedia. 3031-3038.
  • 2013. Assessing Model Uncertainties Through Proper Experimental Design. Energy Procedia. 3439-3446.
  • 2013. Annual and seasonal fCO(2) and air-sea CO2 fluxes in the Barents Sea. Journal of Marine Systems. 62-74.
  • 2013. A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data. 125-143.
  • 2012. Assessing model parameter uncertainties for rising velocity of CO2 droplets through experimental design. International Journal of Greenhouse Gas Control. 283-289.
  • 2011. The Nordic Seas carbon budget: Sources, sinks, and uncertainties. Global Biogeochemical Cycles. 16 sider.
  • 2011. SUCCESS: SUbsurface CO2 storage–Critical elements and superior strategy. Energy Procedia. 6117-6124.
  • 2011. Direct measurements of CO2 flux in the Greenland Sea. Geophysical Research Letters.
  • 2010. Spatiotemporal variations of fCO2 in the North Sea. Ocean Science. 77-89.
  • 2010. Recent acceleration of the sea surface fCO2 growth rate in the North Atlantic subpolar gyre (1993–2008) revealed by winter observations. Global Biogeochemical Cycles.
  • 2010. Arctic Ocean data in CARINA. Earth System Dynamics Discussions. 71-78.
  • 2010. A carbon budget for the Barents Sea. Deep Sea Research Part I: Oceanographic Research Papers. 1532-1542.
  • 2009. Tracking the Variable North Atlantic Sink for Atmospheric CO2. Science. 1391-1393.
  • 2009. Sensitivity of remote sensing–derived phytoplankton productivity to mixed layer depth: Lessons from the carbon-based productivity model. Global Biogeochemical Cycles.
  • 2009. Role of cabbeling in water densification in the Greenland Basin. Ocean Science. 247-257.
  • 2009. Recommendations for autonomous underway pCO(2) measuring systems and data-reduction routines. Deep-sea research. Part II, Topical studies in oceanography. 512-522.
  • 2009. Overview of the Nordic Seas CARINA data and salinity measurements. Earth System Dynamics Discussions.
  • 2009. Optimal evaluation of the surface ocean CO2 system in the northern North Atlantic using data from voluntary observing ships. Limnology and Oceanography : Methods. 109-118.
  • 2009. Evidence of Greenland Sea water in the Iceland Basin. Geophysical Research Letters.
  • 2009. Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network. Biogeosciences. 1405-1421.
  • 2009. Climatological mean and decadal change in surface ocean pCO2, andnet sea–air CO2 flux over the global oceans. Deep-sea research. Part II, Topical studies in oceanography. 554-577.
  • 2009. Algorithms to estimate the carbon dioxide uptake in the northern North Atlantic using shipboard observations, satellite and ocean analysis data. Deep-sea research. Part II, Topical studies in oceanography. 630-639.
  • 2008. The Greenland Sea tracer experiment 1996–2002: Horizontal mixing and transport of Greenland Sea Intermediate Water. Progress in Oceanography. 85-105.
  • 2008. Sea-surface CO2 fugacity in the subpolar North Atlantic. Biogeosciences. 535-547.
  • 2008. Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment. Biogeosciences. 1517-1527.
  • 2007. Seasonal and interannual variability of the air-seaCO(2) flux in the Atlantic sector of the Barents Sea. Marine Chemistry. 203-213.
  • 2007. Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment. Biogeosciences Discussions. 4631-4652.
  • 2006. Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. Global Biogeochemical Cycles.
  • 2006. A submesoscale coherent eddy in the Greenland Sea in 2003. Journal of Geophysical Research (JGR). 19 sider.
  • 2005. The effect of wind speed products and wind speed-gas exchange relationships on interannual variability of the air-sea CO2 gas transfer velocity. Tellus. Series B, Chemical and physical meteorology. 95-106.
  • 2005. Intermediate water from the Greenland Sea in the Faroe Bank Channel: spreading of released sulphur hexafluoride. Deep Sea Research Part I: Oceanographic Research Papers. 279-294.
  • 2005. Deep ocean experiments with fossil fuel carbon dioxide: Creation and sensing of a controlled plume at 4 km depth. Journal of Marine Research. 9-33.
  • 2004. The OACE (Ocean Abyssal Carbon Experiment) research project. Studies in Surface Science and Catalysis.
  • 2004. On the nature of the factors that control spring bloom development at the entrance to the Barents Sea and their interannual variability. Sarsia. 379-393.
  • 2004. Intermediate water from the Greenland Sea in the Faroe Bank Channel: spreading of released sulphur hexafluoride. Deep Sea Research Part I: Oceanographic Research Papers. 279-294.
  • 2004. Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. Deep Sea Research Part I: Oceanographic Research Papers. 1323-1338.
  • 2004. Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR).
  • 2004. A decrease in the sink for atmospheric CO2 in the North Atlantic. Geophysical Research Letters. art. no.-L07306.
  • 2003. On the nature of the factors that control spring bloom development at the entrance to the Barents Sea, and theri interannual variability. Sarsia. 379-393.
  • 2003. Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. Deep Sea Research Part I: Oceanographic Research Papers. 1323-1338.
  • 2003. Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR). 3388.
  • 2003. A decrease in the sink for atmospheric CO2 in the North Atlantic. Geophysical Research Letters.
  • 2002. The impact of climate variations on fluxes of oxygen in the Barents Sea. Continental Shelf Research. 1117-1128.
  • 2002. The Automated Marine pH Sensor (AMpS): a high precision continuous spectrophotometric method for seawater pH measurements. Talanta: The International Journal of Pure and Applied Analytical Chemistry. 61-69.
  • 2002. Long-lived vortices as a mode of deep ventilation in the Greenland Sea. Nature. 525-527.
  • 2002. A high precision spectrophotometric method for on-line shipboard seawater pH measurements:the automated marine pH sensor (AMpS). Talanta: The International Journal of Pure and Applied Analytical Chemistry. 61-69.
  • 2000. Flux of anthropogenic carbon and steady state carbon into the deep Greenland Sea. Journal of Geophysical Research (JGR). 14339-14349.
  • 2000. Annual carbon fluxes in the upper Greenland Sea based measurements and a box model approach. Tellus. Series B, Chemical and physical meteorology. 1013-1024.
  • 1999. mixing and convection in the Greenland Sea from a tracer-release experiment. Nature. 902-904.
  • 1999. fCO2 variations and air-sea flux of CO2 in the Greenland Sea gyre using high-frequency time-series data from CARIOCA drift buoys. Journal of Geophysical Research (JGR). 20571-20583.
  • 1999. Seasonal dissolved inorganic carbon variations in the Greenland Sea and implications for atmospheric CO2 exchange. Deep-sea research. Part II, Topical studies in oceanography. 1473-1496.
  • 1999. Seasonal dissolved inorganic carbon distributions in the Greenland Sea and implications for atmospheric CO2 exchange. Deep-sea research. Part II, Topical studies in oceanography. 1473-1496.
  • 1999. Mixing and convection in the Greenland Sea from a tracer-release experiment. Nature. 902-904.
  • 1999. Interannual variability of fCO2 in the Greenland and Norwegian Seas. Tellus. Series B, Chemical and physical meteorology. 477-489.
  • 1999. Flux of anthropogenic carbon and steady state carbon into the deep Greenland Sea. Journal of Geophysical Research (JGR).
  • 1998. Flux of Anthropogenic and Steady State carbon into the deep Greenland Sea. Journal of Geophysical Research (JGR).
  • 1998. Annual vaiability of carbon flux in the upper Greenland Sea, as evaluated from measured data and a box model. Tellus. Series B, Chemical and physical meteorology.
  • 1995. Briksdalsbreen, western Norway: climatic effects on the terminal response of a temperate glacier between AD 1901 and 1994. The Holocene. side 343-347.
Faglig foredrag
  • 2019. Havforsuringsovervåkningen 2018 - NORCE og Universitetet i Bergen.
  • 2018. Enhancement of in situ observing systems in the Arctic under INTAROS.
  • 2017. Monitoring of Ocean Acidification in Norwgian waters.
  • 2016. Time series of carbon in a changing climate - examples from Station M in the Norwegian Sea.
Populærvitenskapelig foredrag
  • 2010. Havets rolle i atmosfærens Co2 utvikling og Havforsuringsproblematikken.
  • 2007. Forholdene i havet - viktigere enn vi tror.
  • 1998. Deep convection studied by a tracer release in the Greenland Sea.
Vitenskapelig foredrag
  • 2018. The need for proper environmental statistics to design adequate monitoring for offshore geological storage of CO2 projects.
  • 2017. Surface ocean pCO2 measurements within ICOS Norway and the example of M/V Nuka Arctica.
  • 2017. Global ocean climatology of the 13C suess effect and preindustrial δ13C.
  • 2014. The inorganic carbon cycle in the Red Sea studied using historical cruise data and five years long coastal time series.
  • 2014. Natural δ13C distributions in the global ocean.
  • 2014. Global ocean 13C Suess effect and uptake of anthropogenic CO2.
  • 2014. Current and planned carbon cycle research at the Bjerknes Centre for Climate Research.
  • 2013. Ocean acidification and trends in the Norwegian Sea.
  • 2012. WP 5: Detection of potential leakage of injected CO2 and its potential effect on the environment.
  • 2012. Status WP5: The Marine Component.
  • 2012. Long-term trends in carbon, nutrients and stoichiometry in Norwegian coastal waters: evidence of a regime shift.
  • 2012. Long-term changes in carbon and nutrient biogeochemistry in Skagerrak. Bjekrnes Getawai.
  • 2012. ICOS, the Norwegian branch.
  • 2012. A carbon budget for the Nordic Seas.
  • 2011. Spatiotemporal variations of fCO2 in the North Sea.
  • 2010. Variability of the North Atlantic sink for atmospheric carbon.
  • 2010. The Nordic Seas Carbon Budget: Sources, Sinks And Uncertainties.
  • 2010. Sensitivity of satellite-derived phytoplankton productivity to mixed layer depth.
  • 2010. Sensitivity of satellite-derived phytoplankton productivity to mixed layer depth.
  • 2010. Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans.
  • 2010. Konsekvenser av CO2 lekkasje.
  • 2010. CO2 storage sites in the North Sea Overview: WP Water Column.
  • 2009. What parameters should be measured in the water column during a baseline study?
  • 2009. North Atlantic relationships between surface fCO2 and hydrography, evaluated using fCO2-SST relationships.
  • 2009. Marine carbon measurement techniques.
  • 2009. Havforsuring - utvikling og prognoser for norske farvann.
  • 2009. Air-sea CO2 flux in the North Atlantic in 2004 through 2006 estimated by the neural network.
  • 2008. Recent changes in the Greenland Sea: Tracers and Hydrography.
  • 2007. Surface Ocean CO2 Variability and Vulnerabilities: The Arctic Ocean and Nordic Seas.
  • 2006. Towards North Atlantic subpolar gyre pCO2 algoritms.
  • 2006. The anthropogenic CO2 increase and 13C Suess effect in the northern North Atlantic.
  • 2006. Mixing and Transport in the Greenland Sea for the 1996-2003 Period From a Tracer Experiment.
  • 2006. Carbon changes in the high latitude North Atlantic.
  • 2006. Air-sea CO2 flux variability in the North Sea: 19 months of observations from voluntry observing ships.
  • 2005. Sea Ice brinbe formation in Storfjorden: implications for the Arctic winter time air-sea CO2 flux.
  • 2005. Establishing a northen North Atlantic CO2 observing network.
  • 2004. The potential role of submesoscale coherent vortices in vertical transport in the Greenland Sea.
  • 2004. Ocean Abyssal Carbon Experiments at 0.7 and 4 km depth.
  • 2004. Internal forcing in the Nordic Seas and pathways to the overflows.
  • 2003. Progress of COSMOS (CO2 sending method for ocean storage) and OACE (Ocean abyssal carbon experiment).
  • 2003. Changes in modes of ocean carbon cycling from past to present - what can this tell about the future.
  • 2002. The role of convection and seasonal to interannual variability on carbon uptake in the Nordic Seas, Ocean Sciences Meeting.
  • 2002. Resolved and parameterized convective eddies in the Greenland Sea.
  • 2002. Measuring the sink for carbon dioxide in the North Atlantic from ships of oppportunity: the CAVASSOO project.
  • 2002. Long-lived vortices as a mode of deep ventilation in the Greenland Sea.
  • 2002. Instumentation for in Situ and Autonomous Monitoring of the Marine Carbon Dioxide System.
  • 2002. Convective Submesoscale Coherent Vortices in the Greenland Sea.
  • 2002. Circulation in the Nordic Seas and Contribution to the Scotland-F‘roe-Iceland-Greenland Ridge System Overflow from Five Years Observation of a Tracer Release in the Greenland Sea.
  • 2001. The role of convection and seasonal to interannual variability on carbon uptake in the Nordic seas.
  • 2001. The effect of physical forcing on food web dyamics at the entrance to the Barents Sea.
  • 2001. The Greenland Sea Experiment.
  • 2001. Ocean pathways as seen by tracers and transport of carbon in the Nordic Seas.
  • 2001. Developing an autonomous high precision pH sensor for high quality pH profiling of the water column and fCO2 measurements from ships of opportunities, "Autonomous Biogeochemical Measurements in the Ocean".
  • 2001. Can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • 2000. fCO2 variations and fCO2 calculations in the Greenland Sea surface water.
  • 2000. Time series from the entrance to the Barents Sea. A study of the link between the annual to interannual changes in observed hydrographic variability and nutrient response.
  • 2000. Time series from the Fugløy-Bjørnøy section. A study of the interannual to annual change in the carbon variables.
  • 2000. The carbon cycle in the Nordic Seas, A synthesis done during the CARDEEP era.
  • 2000. The Greenland Sea tracer experiment.
  • 2000. The Carbon cycle in the Nordic Seas, a perspective.
  • 2000. The Carbon Cycle in the Greenland Sea.
  • 2000. Spectrophotometric seawater pH in the Weddell and Norwegian Seas: A new tool for monitoring carbon uptake by the ocean.
  • 2000. Shining new light on marine carbon dioxide.
  • 2000. Potential brine water sources in Storfjord.
  • 2000. Interannual variability in the Greenland and Norwegian Seas.
  • 2000. Development of a deep water pH sensor for the COSMOS.
  • 2000. Biogeochemical Constraints on Carbon Drawdown and Export in the Greenland Sea.
  • 1998. pCO2 variations and air-sea flux of CO2 in the Greenland Sea using high-frequency time-series data from CARIOCA drift-buoys.
  • 1998. Time series of pCO2, SST and fluorescence data measured by Carioca Buoys drifting in the Greenland Sea between August 1996 and April 1997.
  • 1998. The Greenland Sea Experiment.
  • 1998. Study of Vertical Mixing Processes in the Greenland Sea Using Tracer Release Results.
  • 1998. Horizontal Evolution and Distribution of SF6L Tracer: Greenland Sea Central Byre July 1996-May 1997.
  • 1998. European subpolar ocean programme, phase 2: The thermohaline circulation in The Greenland Sea.
  • 1998. Annual variability of carbon flux in the upper Greenland Sea, as evaluated from measured data and box model.
  • 1998. A Tracer Release to Study Thermohaline Processes in the Greenland Sea.
  • 1997. fCO2 in the Nordic Sea.
  • 1997. fCO2 in the Nordic Sea.
  • 1997. Tracer release experiments in the Greenland Sea simulated in an OGCM.
  • 1997. Thermohaline circulation in the Greenland Sea and carbon transport.
  • 1997. Thermohaline circulation in the Greenland Sea and carbon transport.
  • 1997. The Grennland Sea Experiment. Contribution from the ESOP2 scientific team- MAST III-programme.
  • 1997. The Greenland Sea Experiment. Contribution from the ESOP2 scientific team (MAST III-programme).
  • 1997. Studies of vertical and horisontal mixing processes in the Greenland Sea based upon the SF6 tracer release experiment.
  • 1997. Seasonal variability in dissolved inorganic carbon distribution in the Greenland Sea.
  • 1997. Carbon Isotopes and The Carbon Cycle in the Greenland Sea.
  • 1997. A tracer release to study the thermohaline circulation of the Greenland Sea.
  • 1997. A study of diacpycnal mixing and winter convection in the open ocean: the Greenland Sea Tracer Release Experiment - ESOP 2.
Populærvitenskapelig artikkel
  • 2008. The Bjerknes Centre pCO2 observing network. Solas News. 26-27.
  • 2004. Spredning av SF6 i Grønlandshavet. Cicerone. 21-24.
  • 2001. Havklimaets betydning for biologisk produksjon: En flerårs studie fra Fugløya-Bjørnøyasnittet. Program for Skolelab. for realfag. 13-18.
Kronikk
  • 2009. Redd Polarfront! Bergens Tidende.
Doktorgradsavhandling
  • 2015. Quantifying uncertainties when monitoring marine environments in connection with geological storage of CO2.
  • 1992. Stable Isotopes as Climatic Indicators in Ocean and Lake Sediments.
Intervju
  • 2011. Klimavariasjoner styrer CO2-opptak.
  • 2010. Overvåker forsuring i havet.
  • 2010. Norsk kulde, global varme.
  • 2009. Nå har verdenshavene nådd et metningspunkt.
  • 2009. Klimaendringer minker havets evne til å stoppe klimaendringer.
  • 2009. Havet tar opp mindre CO2.
  • 2009. Havet tar opp mindre CO2.
  • 2009. Havet sluker mindre CO2.
  • 2009. Havet sluker mindre CO2.
  • 2009. Havet mettet på CO2.
  • 2009. Havet mettet på CO2.
  • 2009. Havet mettet på CO2.
  • 2009. Havet mettet på CO2.
  • 2009. CO2-stans i havet.
  • 2007. Dramatisk endring i havets CO2-opptak.
  • 2003. Tar pulsen på klimasystemet.
  • 2002. Forsker på gåtefulle virvler.
  • 2002. "Bedre kartleggingsmuligheter". Om nye G.O. Sars.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 2014. Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4)in a changing climate. 57 sider.
  • 2005. Sea-Ice and Brine Formation in Storfjorden: Implications for the Arctic Wintertime Air-Sea CO2 Flux. 12 sider.
  • 2005. A Review of the Inorganic Carbon Cycle of the Nordic Seas and Barents Sea. 20 sider.
  • 2003. Deep water sequestration of CO2 through formation of brine-enriched shwlf water: an Arctic continental shelf pump.
  • 2000. Constraints on carbon drawdown and export in the Greenland Sea. 14 sider.
Sammendrag/abstract
  • 2004. Initial results from a 4 km ocean CO2 release experiment. Abstract of Papers of the American Chemical Society.
Oversatt bok
  • 2007. What we know, what we do not know, and how we try to better understand global change.
Vitenskapelig oversiktsartikkel/review
  • 2020. Toward a comprehensive and integrated strategy of the European marine research infrastructures for ocean observations. 1-8.
  • 2019. Constraining the oceanic uptake and fluxes of greenhouse gases by building an ocean network of certified stations: The ocean component of the Integrated Carbon Observation System, ICOS-Oceans. 1-15.
  • 2016. A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). 383-413.
  • 2013. Long-term trends in carbon, nutrients and stoichiometry in Norwegian coastal waters: Evidence of a regime shift. 113-124.

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