Introduction

TJ -worked for WRCP, IGBP, SCOR and IOC: IOC-SCOR-JGOFS CO2-panel, 1995-2001, Active getting the JGOFS office to UiB, 1995-2003, SOLAS SSC, 2000-2009, co-author SOLAS Science Plan, chaired writing group - SOLAS and IMBER Carbon Plan. IOCCP 2001-2009. Involved in initiating and operating BCCR SFF (2002-2012), OTC Director , Memb. ICOS RI, Coordinator of ICOS Norway 2008-2018, Coordinator, SSC member and PI in several EU projects. Past projects: ESOP, ESOP2, IMCORP, CAVASSOO, TRACTOR, CARBOOCEAN, MONARCH, CARBOCHANGE, GREENSEAS, EURO-BASINS, ECO2, FIXO3, ATLANTOS, RINGO, SEACRIFOG, STEMCCS. Ongoing projects: INTAROS.

Disciplines

Climatology, Geology, Oceanography

Skills and expertise

Biogeochemistry, Greenhouse Gases, Climate Change, Carbon, Carbon Cycle, Chemical Oceanography, Carbon Dioxide, Surface Water, Air Climate, Sea Ice, Geology, Environment, OceanEstimation, Ocean Modeling, Ice Cover, Arctic Regions, Standard Error, 13C ATM, Paleoclimatology, Atmosphere, Climate Science, Physical Oceanography, Climate Modeling, Physics of Global Warming, Climate Variability, Climate Dynamics, Regional Climate Modeling, Ocean Currents and Circulation, Data Assimilation, Model Development, Oceanography, Singular Spectrum Analysis, Climatology, Stable Isotopes, Hydrology

Vitenskapelig artikkel

• Elageed, Salma; Omar, Abdirahman; Jeansson, Emil et al. (2025). Organic Carbon Remineralization and Calcium Carbonate Production Rates in the Red Sea Computed From Oxygen and Alkalinity Utilizations. (ekstern lenke)
• Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls et al. (2022). Decadal trends in Ocean Acidification from the Ocean Weather Station M in the Norwegian Sea. (ekstern lenke)
• Fransner, Sara Filippa Krusmynta; Fröb, Friederike; Tjiputra, Jerry et al. (2022). Acidification of the Nordic Seas. (ekstern lenke)
• Ali, Elsheikh B.; Skjelvan, Ingunn; Omar, Abdirahman et al. (2021). Sea surface pCO2 variability and air-sea CO2 exchange in the coastal Sudanese Red Sea. (ekstern lenke)
• Kitidis, Vassilis; Shutler, Jamie D.; Ashton, Ian et al. (2019). Winter weather controls net influx of atmospheric CO2 on the north-west European shelf. (ekstern lenke)
• Rajasakaren, Balamuralli; Jeansson, Emil; Olsen, Are et al. (2019). Trends in anthropogenic carbon in the Arctic Ocean. (ekstern lenke)
• Fröb, Friederike; Olsen, Are; Becker, Meike et al. (2019). Wintertime fCO2 variability in the subpolar North Atlantic since 2004 . (ekstern lenke)
• Le Quere, C; Andrew, Robbie; Friedlingstein, P. et al. (2018). Global Carbon Budget 2018. (ekstern lenke)
• Le Quéré, Corinne; Andrew, Robbie; Friedlingstein, Pierre et al. (2018). Global Carbon Budget 2017. (ekstern lenke)
• Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2017). A global ocean climatology of preindustrial and modern ocean δ13C. (ekstern lenke)
• Yasunaka, Sayaka; Murata, Akihiko; Watanabe, Eiji et al. (2016). Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability. (ekstern lenke)
• Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls et al. (2016). Survey strategies to quantify and optimize detecting probability of a CO<sub>2</sub> seep in a varying marine environment. (ekstern lenke)
• Botnen, Helle Augdal; Omar, Abdirahman; Thorseth, Ingunn Hindenes et al. (2015). The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. (ekstern lenke)
• Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls et al. (2015). Layout of CCS monitoring infrastructure with highest probability of detecting a footprint of a CO2 leak in a varying marine environment. (ekstern lenke)
• Le Quéré, Corinne; Moriarty, Roisin; Andrew, Robbie et al. (2015). Global carbon budget 2014. (ekstern lenke)
• Bakker, Dorothee C.E.; Pfeil, Benjamin; Olsen, Are et al. (2014). An update to the Surface Ocean CO2 Atlas (SOCAT version 2). (ekstern lenke)
• Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar et al. (2013). PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. (ekstern lenke)
• Lauvset, Siv Kari; Chierici, Melissa; Counillon, Francois et al. (2013). Annual and seasonal fCO(2) and air-sea CO2 fluxes in the Barents Sea. (ekstern lenke)
• Pfeil, Benjamin; Olsen, Are ; Bakker, D. C. E. et al. (2013). A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). (ekstern lenke)
• Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls et al. (2013). Assessing Model Uncertainties Through Proper Experimental Design. (ekstern lenke)
• Sabine, C. L.; Hankin, S.; Koyuk, H. et al. (2013). Surface Ocean CO2 Atlas (SOCAT) gridded data products. (ekstern lenke)
• Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls et al. (2012). Assessing model parameter uncertainties for rising velocity of CO2 droplets through experimental design. (ekstern lenke)
• Lauvset, Siv Kari; McGills, Wade R.; Bariteau, Ludovic et al. (2011). Direct measurements of CO2 flux in the Greenland Sea. (ekstern lenke)
• Jeansson, Åke Emil; Olsen, Are ; Eldevik, Tor et al. (2011). The Nordic Seas carbon budget: Sources, sinks, and uncertainties. (ekstern lenke)
• Aker, Eyvind; Bjørnarå, Tore Ingvald; Braathen, Alvar et al. (2011). SUCCESS: SUbsurface CO2 storage–Critical elements and superior strategy. (ekstern lenke)
• Metzl, Nicolas; Corbière, Antoine; Reverdin, Gilles et al. (2010). Recent acceleration of the sea surface fCO2 growth rate in the North Atlantic subpolar gyre (1993–2008) revealed by winter observations. (ekstern lenke)
• Kivimäe, Caroline; Bellerby, Richard; Fransson, Ageneta et al. (2010). A carbon budget for the Barents Sea. (ekstern lenke)
• Jutterström, Sara; Anderson, Leif Gunnar; Bates, Nicholas R. et al. (2010). Arctic Ocean data in CARINA. (ekstern lenke)
• Omar, Abdirahman; Olsen, Are ; Johannessen, Truls et al. (2010). Spatiotemporal variations of fCO2 in the North Sea. (ekstern lenke)
• Olsen, Are ; Key, R.M.; Jeansson, Emil et al. (2009). Overview of the Nordic Seas CARINA data and salinity measurements. (ekstern lenke)
• Jeansson, Emil; Olsson, Anders; Messias, Marie-José et al. (2009). Evidence of Greenland Sea water in the Iceland Basin. (ekstern lenke)
• Nondal, Gisle; Bellerby, Richard; Olsen, Are et al. (2009). Optimal evaluation of the surface ocean CO2 system in the northern North Atlantic using data from voluntary observing ships. (ekstern lenke)
• Takahashi, Taro; Sutherland, Stewart C.; Wanninkhof, Rik et al. (2009). Climatological mean and decadal change in surface ocean pCO2, andnet sea–air CO2 flux over the global oceans. (ekstern lenke)
• Watson, AJ; Schuster, U; Bakker, DCE et al. (2009). Tracking the Variable North Atlantic Sink for Atmospheric CO2. (ekstern lenke)
• Pierrot, Denis; Neill, Craig Chandler; Sullivan, Kelvin et al. (2009). Recommendations for autonomous underway pCO(2) measuring systems and data-reduction routines. (ekstern lenke)
• Milutinovic, Svetlana; Behrenfeld, Michael J.; Johannessen, Johnny Andre et al. (2009). Sensitivity of remote sensing–derived phytoplankton productivity to mixed layer depth: Lessons from the carbon-based productivity model. (ekstern lenke)
• Kasajima, Yoshie; Johannessen, Truls (2009). Role of cabbeling in water densification in the Greenland Basin. (ekstern lenke)
• Chierici, Melissa; Olsen, Are ; Johannessen, Truls et al. (2009). Algorithms to estimate the carbon dioxide uptake in the northern North Atlantic using shipboard observations, satellite and ocean analysis data. (ekstern lenke)
• Telszewski, Maciej; Chazottes, Aymeric; Schuster, Ute et al. (2009). Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network. (ekstern lenke)
• Bellerby, Richard; Schulz, K. G.; Riebesell, U. et al. (2008). Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment. (ekstern lenke)
• Messias, Marie-José; Watson, Andrew J.; Johannessen, Truls et al. (2008). The Greenland Sea tracer experiment 1996–2002: Horizontal mixing and transport of Greenland Sea Intermediate Water. (ekstern lenke)
• Olsen, Are ; Brown, Kelly; Chierici, Melissa et al. (2008). Sea-surface CO2 fugacity in the subpolar North Atlantic. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Olsen, Are et al. (2007). Seasonal and interannual variability of the air-seaCO(2) flux in the Atlantic sector of the Barents Sea. (ekstern lenke)
• Bellerby, Richard; Schulz, K.G.; Riebesell, U. et al. (2007). Marine ecosystem community carbon and nutrient uptake stoichiometry under varying ocean acidification during the PeECE III experiment. (ekstern lenke)
• Kasajima, Yoshie; Olsson, Anders; Johannessen, Truls et al. (2006). A submesoscale coherent eddy in the Greenland Sea in 2003. (ekstern lenke)
• Olsen, Are ; Omar, Abdirahman; Bellerby, Richard et al. (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. (ekstern lenke)
• Olsen, Are; Wanninkhof, Rik; Triñanes, J.A. et al. (2005). The effect of wind speed products and wind speed-gas exchange relationships on interannual variability of the air-sea CO2 gas transfer velocity. (ekstern lenke)
• Olsson, Anders; Jeansson, E; Anderson, Leif Gunnar et al. (2005). Intermediate water from the Greenland Sea in the Faroe Bank Channel: spreading of released sulphur hexafluoride. (ekstern lenke)
• Brewer, PG; Peltzer, ET; Walz, P et al. (2005). Deep ocean experiments with fossil fuel carbon dioxide: Creation and sensing of a controlled plume at 4 km depth. (ekstern lenke)
• Kojima, Ryuji; Aya, Izuo; Yamane, Kenji et al. (2004). The OACE (Ocean Abyssal Carbon Experiment) research project. (ekstern lenke)
• Olsson, Anders; Jeansson, E.; Anderson, Leif Gunnar et al. (2004). Intermediate water from the Greenland Sea in the Faroe Bank Channel: spreading of released sulphur hexafluoride. (ekstern lenke)
• Lefévre, Nathalie; Watson, Andrew; Olsen, Are et al. (2004). A decrease in the sink for atmospheric CO2 in the North Atlantic. (ekstern lenke)
• Olsen, Are; Johannessen, Truls; Rey, Fransisco (2004). On the nature of the factors that control spring bloom development at the entrance to the Barents Sea and their interannual variability. (ekstern lenke)
• Olsen, Are; Bellerby, Richard; Johannessen, Truls et al. (2004). Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Kaltin, Stafan et al. (2004). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. (ekstern lenke)
• Olsen, Are; Bellerby, Richard; Johannessen, Truls et al. (2003). Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. (ekstern lenke)
• Olsen, Are; Johannessen, Truls; Rey, Fransisco (2003). On the nature of the factors that control spring bloom development at the entrance to the Barents Sea, and theri interannual variability. (ekstern lenke)
• Lefèvre, N.; Watson, A.J.; Olsen, Are et al. (2003). A decrease in the sink for atmospheric CO2 in the North Atlantic. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Kaltin, S.A. et al. (2003). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. (ekstern lenke)
• Bellerby, Richard; Olsen, Are; Johannessen, Truls et al. (2002). A high precision spectrophotometric method for on-line shipboard seawater pH measurements:the automated marine pH sensor (AMpS). (ekstern lenke)
• Olsen, Are; Anderson, Leif G.; Johannessen, Truls (2002). The impact of climate variations on fluxes of oxygen in the Barents Sea. (ekstern lenke)
• Gascard, Jean-Claude; Watson, Andrew; Messias, Marie-José et al. (2002). Long-lived vortices as a mode of deep ventilation in the Greenland Sea. (ekstern lenke)
• Bellerby, Richard; Olsen, Are; Johannessen, Truls et al. (2002). The Automated Marine pH Sensor (AMpS): a high precision continuous spectrophotometric method for seawater pH measurements. (ekstern lenke)
• Andersson, Leif G.; Drange, Helge; Chierici, M. et al. (2000). Annual carbon fluxes in the upper Greenland Sea based measurements and a box model approach. (ekstern lenke)
• Andersson, Leif G.; Chierici, M.; Fogelqvist, M. et al. (2000). Flux of anthropogenic carbon and steady state carbon into the deep Greenland Sea. (ekstern lenke)
• Andersson, Leif G.; Chierici, M.; Johannessen, Truls (1999). Flux of anthropogenic carbon and steady state carbon into the deep Greenland Sea. (ekstern lenke)
• Hood, E.M.; Merlivat, Liliane; Johannessen, Truls (1999). fCO2 variations and air-sea flux of CO2 in the Greenland Sea gyre using high-frequency time-series data from CARIOCA drift buoys. (ekstern lenke)
• Johannessen, Truls; Watson, A.J.; Messias, M.-J. et al. (1999). Mixing and convection in the Greenland Sea from a tracer-release experiment. (ekstern lenke)
• Miller, L.A.; Chierici, M.; Johannessen, Truls et al. (1999). Seasonal dissolved inorganic carbon variations in the Greenland Sea and implications for atmospheric CO2 exchange. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls; Miller, Lisa Ann (1999). Interannual variability of fCO2 in the Greenland and Norwegian Seas. (ekstern lenke)
• Miller, Lisa Ann; Chierici, Melissa; Johannessen, Truls et al. (1999). Seasonal dissolved inorganic carbon distributions in the Greenland Sea and implications for atmospheric CO2 exchange. (ekstern lenke)
• Watson, A.J.; Messias, M.J.; Fogelquist, E. et al. (1999). mixing and convection in the Greenland Sea from a tracer-release experiment. (ekstern lenke)
• Andersson, Leif G.; Drange, Helge; Chierici, M. et al. (1998). Annual vaiability of carbon flux in the upper Greenland Sea, as evaluated from measured data and a box model. (ekstern lenke)
• Anderson, Leif G.; Chierici, M.; Fogelqvist, E. et al. (1998). Flux of Anthropogenic and Steady State carbon into the deep Greenland Sea. (ekstern lenke)
• Nesje, Atle; Johannessen, Truls; Birks, Harry John Betteley (1995). Briksdalsbreen, western Norway: climatic effects on the terminal response of a temperate glacier between AD 1901 and 1994. (ekstern lenke)

Vitenskapelig foredrag

• Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls et al. (2023). Decadal trends from the Ocean Weather Station M. (ekstern lenke)
• Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls et al. (2023). Decadal trends from the Ocean Weather Station M. (ekstern lenke)
• Beszczynska-Möller, Agnieszka; Ahlstrøm, Andreas P.; Voss, Peter et al. (2021). Enhancement of in situ observing systems in the Arctic. (ekstern lenke)
• Alendal, Guttorm; Oleynik, Anna; Blaser, Nello et al. (2018). The need for proper environmental statistics to design adequate monitoring for offshore geological storage of CO2 projects.. (ekstern lenke)
• Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2017). Global ocean climatology of the 13C suess effect and preindustrial δ13C. (ekstern lenke)
• Becker, Meike; Olsen, Are; Omar, Abdirahman et al. (2017). Surface ocean pCO2 measurements within ICOS Norway and the example of M/V Nuka Arctica. (ekstern lenke)
• Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2014). Natural δ13C distributions in the global ocean. (ekstern lenke)
• Eide, Marie; Olsen, Are; Ninnemann, Ulysses S et al. (2014). Global ocean 13C Suess effect and uptake of anthropogenic CO2. (ekstern lenke)
• Olsen, Are ; Tjiputra, Jerry; Andersson, Carin et al. (2014). Current and planned carbon cycle research at the Bjerknes Centre for Climate Research. (ekstern lenke)
• Omar, Abdirahman; Ali, Elsheikh Bashir; Skjelvan, Ingunn et al. (2014). The inorganic carbon cycle in the Red Sea studied using historical cruise data and five years long coastal time series. (ekstern lenke)
• Skjelvan, Ingunn; Olsen, Are ; Omar, Abdirahman et al. (2013). Ocean acidification and trends in the Norwegian Sea. (ekstern lenke)
• Johannessen, Truls (2012). ICOS, the Norwegian branch. (ekstern lenke)
• Jeansson, E; Olsen, Are ; Eldevik, Tor et al. (2012). A carbon budget for the Nordic Seas. (ekstern lenke)
• Frigstad, Helene; Andersen, T.; Hessen, Dag Olav et al. (2012). Long-term trends in carbon, nutrients and stoichiometry in Norwegian coastal waters: evidence of a regime shift. (ekstern lenke)
• Frigstad, Helene; Andersen, T; Hessen, Dag Olav et al. (2012). Long-term changes in carbon and nutrient biogeochemistry in Skagerrak. Bjekrnes Getawai. (ekstern lenke)
• Johannessen, Truls; Omar, Abdirahman; Reigstad, Laila Johanne (2012). WP 5: Detection of potential leakage of injected CO2 and its potential effect on the environment. (ekstern lenke)
• Johannessen, Truls; Omar, Abdirahman; Reigstad, Laila Johanne et al. (2012). Status WP5: The Marine Component. (ekstern lenke)
• Omar, Abdirahman; Olsen, Are ; Johannessen, Truls et al. (2011). Spatiotemporal variations of fCO2 in the North Sea. (ekstern lenke)
• Johannessen, Truls (2010). Variability of the North Atlantic sink for atmospheric carbon. (ekstern lenke)
• Jeansson, Emil; Olsen, Are ; Eldevik, Tor et al. (2010). The Nordic Seas Carbon Budget: Sources, Sinks And Uncertainties. (ekstern lenke)
• Milutinovic, Svetlana; Behrenfeld,, M.J.; Johannessen, J.A. et al. (2010). Sensitivity of satellite-derived phytoplankton productivity to mixed layer depth. (ekstern lenke)
• Milutinovic, Svetlana; Behrenfeld,, M.J.; Johannessen, J.A. et al. (2010). Sensitivity of satellite-derived phytoplankton productivity to mixed layer depth. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2010). CO2 storage sites in the North Sea Overview: WP Water Column. (ekstern lenke)
• Bellerby, Richard; Olsen, Are ; Nondal, Gisle et al. (2010). Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Haugan, Peter M. (2010). Konsekvenser av CO2 lekkasje. (ekstern lenke)
• Olsen, Are ; Bellerby, Richard; Johannessen, Truls et al. (2009). Havforsuring - utvikling og prognoser for norske farvann. (ekstern lenke)
• Telzewski, M; Schuster, U.; Watson, A. J. et al. (2009). Air-sea CO2 flux in the North Atlantic in 2004 through 2006 estimated by the neural network. (ekstern lenke)
• Lauvset, Siv Kari; Olsen, Are ; Skjelvan, Ingunn et al. (2009). North Atlantic relationships between surface fCO2 and hydrography, evaluated using fCO2-SST relationships. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2009). What parameters should be measured in the water column during a baseline study?. (ekstern lenke)
• Omar, Abdirahman; Olsen, Are ; Neil, C et al. (2009). Marine carbon measurement techniques. (ekstern lenke)
• Jeansson, Emil; Olsson, A.; Tanhua, T. et al. (2008). Recent changes in the Greenland Sea: Tracers and Hydrography. (ekstern lenke)
• Olsen, Are ; Lauvseth, Siv K.; Skjelvan, Ingunn et al. (2007). Surface Ocean CO2 Variability and Vulnerabilities: The Arctic Ocean and Nordic Seas. (ekstern lenke)
• Omar, Abdirahman; Olsen, Are ; Johannessen, Truls (2006). Air-sea CO2 flux variability in the North Sea: 19 months of observations from voluntry observing ships. (ekstern lenke)
• Messias, M. -J.; Watson, Andrew J.; Johannessen, Truls et al. (2006). Mixing and Transport in the Greenland Sea for the 1996-2003 Period From a Tracer Experiment. (ekstern lenke)
• Olsen, Are ; Omar, Abdirahman; Bellerby, Richard et al. (2006). Carbon changes in the high latitude North Atlantic. (ekstern lenke)
• Olsen, Are ; Omar, Abdirahman; Bellerby, Richard et al. (2006). The anthropogenic CO2 increase and 13C Suess effect in the northern North Atlantic. (ekstern lenke)
• Olsen, Are ; Chierici, Melissa; Wanninkhof, Rik et al. (2006). Towards North Atlantic subpolar gyre pCO2 algoritms. (ekstern lenke)
• Olsen, Are; Skjelvan, Ingunn; Omar, Abdirahman et al. (2005). Establishing a northen North Atlantic CO2 observing network. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Bellerby, Richard et al. (2005). Sea Ice brinbe formation in Storfjorden: implications for the Arctic winter time air-sea CO2 flux. (ekstern lenke)
• Johannessen, Truls (2004). Internal forcing in the Nordic Seas and pathways to the overflows. (ekstern lenke)
• Kasajima, Yoshie; Johannessen, Truls; Skjelvan, Ingunn et al. (2004). The potential role of submesoscale coherent vortices in vertical transport in the Greenland Sea. (ekstern lenke)
• Haugan, Peter M.; Brewer, Peter G.; Peltzer, E.T. et al. (2004). Ocean Abyssal Carbon Experiments at 0.7 and 4 km depth. (ekstern lenke)
• Aya, Izuo; Namie, Sadahiro; Yamane, Kenji et al. (2003). Progress of COSMOS (CO2 sending method for ocean storage) and OACE (Ocean abyssal carbon experiment). (ekstern lenke)
• Johannessen, Truls (2003). Changes in modes of ocean carbon cycling from past to present - what can this tell about the future. (ekstern lenke)
• Eldevik, Tor; Drange, Helge; Johannessen, Truls et al. (2002). Resolved and parameterized convective eddies in the Greenland Sea. (ekstern lenke)
• Messias, Marie-José; Watson, Andrew; Olsson, Anders et al. (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. (ekstern lenke)
• Gascard, Jean-Claude; Watson, Andrew; Messias, Marie-José et al. (2002). Long-lived vortices as a mode of deep ventilation in the Greenland Sea. (ekstern lenke)
• Johannessen, Truls; Anderson, Leif G.; Bellerby, Richard et al. (2002). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic Seas, Ocean Sciences Meeting. (ekstern lenke)
• Watson, Andrew; Bellerby, Richard; Ciais, P. et al. (2002). Measuring the sink for carbon dioxide in the North Atlantic from ships of oppportunity: the CAVASSOO project. (ekstern lenke)
• Olsen, Are; Bellerby, Richard; Johannessen, Truls et al. (2002). Instumentation for in Situ and Autonomous Monitoring of the Marine Carbon Dioxide System. (ekstern lenke)
• Eldevik, Tor; Drange, Helge; Johannessen, Truls et al. (2002). Convective Submesoscale Coherent Vortices in the Greenland Sea. (ekstern lenke)
• Johannessen, Truls; Messias, Marie-José; Olsson, Anders et al. (2001). Ocean pathways as seen by tracers and transport of carbon in the Nordic Seas. (ekstern lenke)
• Johannessen, Truls; Bellerby, Richard; Omar, Abdirahman et al. (2001). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic seas. (ekstern lenke)
• Olsen, Are; Johannessen, Truls; Francisco, Rey (2001). The effect of physical forcing on food web dyamics at the entrance to the Barents Sea. (ekstern lenke)
• Johannessen, Truls; Bellerby, Richard; Jansen, Eystein et al. (2001). The Greenland Sea Experiment. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2001). Can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (ekstern lenke)
• Johannessen, Truls; Bellerby, Richard; Omar, Abdirahman et al. (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". (ekstern lenke)
• Andersson, Leif G.; Børsheim, Knut Y.; Chierici, M. et al. (2000). The Carbon Cycle in the Greenland Sea. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2000). Potential brine water sources in Storfjord. (ekstern lenke)
• Bellerby, Richard; Olsen, Are; Johannessen, Truls (2000). Spectrophotometric seawater pH in the Weddell and Norwegian Seas: A new tool for monitoring carbon uptake by the ocean. (ekstern lenke)
• Miller, Lisa A.; Noji, T.T.; Skjelvan, Ingunn et al. (2000). Biogeochemical Constraints on Carbon Drawdown and Export in the Greenland Sea. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls; Miller, Lisa A. (2000). Interannual variability in the Greenland and Norwegian Seas. (ekstern lenke)
• Johannessen, Truls; Andersson, Leif G.; Bellerby, Richard et al. (2000). The Carbon cycle in the Nordic Seas, a perspective. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls; Omar, Abdirahman (2000). fCO2 variations and fCO2 calculations in the Greenland Sea surface water. (ekstern lenke)
• Olsen, Are; Johannessen, Truls; Rey, Fransisco (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. (ekstern lenke)
• Johannessen, Truls; Andersson, Leif G.; Falck, Eva et al. (2000). The carbon cycle in the Nordic Seas, A synthesis done during the CARDEEP era. (ekstern lenke)
• Messias, M.J.; Watson, A.J.; Fogelqvist, M. et al. (2000). The Greenland Sea tracer experiment. (ekstern lenke)
• Bellerby, Richard; DeGrandpre, M.; Olsen, Are et al. (2000). Shining new light on marine carbon dioxide. (ekstern lenke)
• Olsen, Are; Johannessen, Truls; Rey, Fransisco (2000). Time series from the Fugløy-Bjørnøy section. A study of the interannual to annual change in the carbon variables. (ekstern lenke)
• Bellerby, Richard; Johannessen, Truls (2000). Development of a deep water pH sensor for the COSMOS. (ekstern lenke)
• Messias, M.J.; Watson, A.J.; Guilyardi, E. et al. (1998). Study of Vertical Mixing Processes in the Greenland Sea Using Tracer Release Results. (ekstern lenke)
• Kruepke, J.J.; Van Scoy, K.A.; Cooper, D. et al. (1998). Horizontal Evolution and Distribution of SF6L Tracer: Greenland Sea Central Byre July 1996-May 1997. (ekstern lenke)
• Johannessen, Truls; Jansen, Eystein; Andersson, Leif G. et al. (1998). The Greenland Sea Experiment. (ekstern lenke)
• Anderson, Leif G.; Chierice, M.; Drange, Helge et al. (1998). Annual variability of carbon flux in the upper Greenland Sea, as evaluated from measured data and box model. (ekstern lenke)
• Hood, E.M.; Merlivat, Lilliane; Johannessen, Truls (1998). pCO2 variations and air-sea flux of CO2 in the Greenland Sea using high-frequency time-series data from CARIOCA drift-buoys. (ekstern lenke)
• Merlivat, Liliane; Hood, M.; Johannessen, Truls (1998). Time series of pCO2, SST and fluorescence data measured by Carioca Buoys drifting in the Greenland Sea between August 1996 and April 1997. (ekstern lenke)
• Johannessen, Truls; Opheim, Vegard; Jansen, Eystein (1998). European subpolar ocean programme, phase 2: The thermohaline circulation in The Greenland Sea. (ekstern lenke)
• Watson, A.J.; Messias, M.J.; Fogelqvist, E. et al. (1998). A Tracer Release to Study Thermohaline Processes in the Greenland Sea. (ekstern lenke)
• Johannessen, Truls; Jansen, Eystein; Anderson, Leif et al. (1997). The Grennland Sea Experiment. Contribution from the ESOP2 scientific team- MAST III-programme. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls; Miller, Lisa (1997). fCO2 in the Nordic Sea. (ekstern lenke)
• Hansen, Margareth; Johannessen, Truls; Falck, Eva et al. (1997). Thermohaline circulation in the Greenland Sea and carbon transport. (ekstern lenke)
• Miller, Lisa A.; Johannessen, Truls; Noji, T. et al. (1997). Seasonal variability in dissolved inorganic carbon distribution in the Greenland Sea. (ekstern lenke)
• Johannessen, Truls; Messias, M-J.; Watson, A.J. et al. (1997). Studies of vertical and horisontal mixing processes in the Greenland Sea based upon the SF6 tracer release experiment. (ekstern lenke)
• Hansen, Margareth; Johannessen, Truls; Falck, Eva et al. (1997). Thermohaline circulation in the Greenland Sea and carbon transport. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls; Miller, Lisa (1997). fCO2 in the Nordic Sea. (ekstern lenke)
• Watson, A.J.; Messias, M.-J.; Fogelqvist, E. et al. (1997). A tracer release to study the thermohaline circulation of the Greenland Sea. (ekstern lenke)
• Modal, I; Johannessen, Truls; Jansen, Eystein (1997). Carbon Isotopes and The Carbon Cycle in the Greenland Sea. (ekstern lenke)
• Johannessen, Truls; Jansen, Eystein; Anderson, Leif et al. (1997). The Greenland Sea Experiment. Contribution from the ESOP2 scientific team (MAST III-programme). (ekstern lenke)
• Messias, Marie-Jose; Watson, Andrew J.; Fogelqvist, Elisabeth et al. (1997). A study of diacpycnal mixing and winter convection in the open ocean: the Greenland Sea Tracer Release Experiment - ESOP 2. (ekstern lenke)
• Sundfjord, Arild; Barthel, Knut; Hansen, Margareth et al. (1997). Tracer release experiments in the Greenland Sea simulated in an OGCM. (ekstern lenke)

Rapport

• Skjelvan, Ingunn; Jeansson, Emil; Chierici, Melissa et al. (2022). Trender i havforsuring og antropogent karbon i de nordiske hav, Nordsjøen og Skagerrak. (ekstern lenke)
• Ottersen, Geir; Sejr, Mikael K.; Döscher, Ralf et al. (2022). Deliverable 6.19 Synthesis report from WP6: Application studies of Arctic Observing Systems towards stakeholders. (ekstern lenke)
• Sandven, Stein; Sagen, Hanne; Hamre, Torill et al. (2022). Deliverable 1.10 Roadmap for a sustainable Arctic Observing System. (ekstern lenke)
• Beszczynska-Möller, Agnieszka; Ahlstrøm, Andreas; Pirazzini, Roberta et al. (2022). Deliverable 3.16 Synthesis and technical recommendations. (ekstern lenke)
• Skjelvan, Ingunn; Jones, Elizabeth Marie; Chierici, Melissa et al. (2021). Monitoring ocean acidification in Norwegian seas in 2020. (ekstern lenke)
• Johannessen, Truls; Beszczynska-Möller, Agnieszka; Roden, Nicholas Patrick et al. (2021). Deliverable 3.11 Final implementation and data: North of Svalbard. (ekstern lenke)
• Skjelvan, Ingunn; Jones, Elizabeth Marie; Chierici, Melissa et al. (2021). Monitoring ocean acidification in Norwegian seas in 2020 / Havforsuringsovervåking i norske farvann i 2020. (ekstern lenke)
• Jones, Elizabeth Marie; Chierici, Melissa; Skjelvan, Ingunn et al. (2020). Monitoring ocean acidification in Norwegian seas in 2019. (ekstern lenke)
• Johannessen, Truls; Roden, Nicholas Patrick; Olsen, Are et al. (2019). Deliverable 3.7 First implementation and data: North of Svalbard. (ekstern lenke)
• Tjernstrøm, Michael; Pirazzini, Roberta; Sandven, Stein et al. (2019). Deliverable 2.10. Synthesis of gap analysis and exploitation of the existing Arctic observing systems. (ekstern lenke)
• Skjelvan, Ingunn; Omar, Abdirahman; Ali, Elsheikh Bashir et al. (2019). Training workshop with focus on preparing oceanographic data for sharing, Deliverable 5.3 from the EU project 730995 SEACRIFOG. (ekstern lenke)
• López-Ballesteros, Ana; Beck, Johannes; Skjelvan, Ingunn et al. (2019). Training workshops in measurement, data management and quality control methodologies for the observation of greenhouse gas dynamics in the atmospheric, oceanic and terrestrial domains. SEACRIFOG Deliverable 4.4. . (ekstern lenke)
• Jones, Elizabeth Marie; Chierici, Melissa; Skjelvan, Ingunn et al. (2019). Monitoring ocean acidification in Norwegian seas in 2018/ Havforsuringsovervåking i norske farvann i 2018. M-1417. (ekstern lenke)
• Omar, Abdirahman; Alendal, Guttorm; Garcia-Ibanez, Maribel et al. (2018). Marine monitoring of carbon capture and storage: Methods, strategy, and potential impacts of excess inorganic carbon in the water column . (ekstern lenke)
• Ludvigsen, Carsten Ankjær; Pirazzini, Roberta; Sagen, Hanne et al. (2018). Deliverable 2.1 Report on present observing capacities and gaps: ocean and sea ice observing system. (ekstern lenke)
• Beck, Johannes; López-Ballesteros, Ana; Omar, Abdirahman et al. (2018). Identification of Key Variables for Climate Change Observation across Africa. SEACRIFOG Deliverable 4.1: Ideal and Mandatory Sets of Variables and Criteria. (ekstern lenke)
• Buch, Erik; Tjernstrøm, Michael; Quegan, Shaun et al. (2017). Deliverable 1.1 Initial Requirement Report. (ekstern lenke)
• Chierici, Melissa; Skjelvan, Ingunn; Norli, Marit et al. (2017). Havforsuringsovervåking i norske farvann i 2016. (ekstern lenke)
• Chierici, Melissa; Skjelvan, Ingunn; Norli, Marit et al. (2016). Overvåking av havforsuring i norske farvann i 2015. (ekstern lenke)
• Chierici, Melissa; Skjelvan, Ingunn; Norli, Marit et al. (2015). Overvåking av havforsuring i norske farvann i 2014. (ekstern lenke)
• Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar et al. (2014). Unintended releases of Carbon Dioxide (CO2) from offshore pipelines: thermodynamic processes and the fundamental hydrodynamical equations. (ekstern lenke)
• Chierici, Melissa; Skjelvan, Ingunn; Bellerby, Richard et al. (2014). Monitoring Ocean acidification in Norwegian waters. (ekstern lenke)
• Skjelvan, Ingunn; Jeansson, Emil; Chierici, Melissa et al. (2014). Havforsuring og opptak av antropogent karbon i de Nordiske hav, 1981-2013, M244-2014. (ekstern lenke)
• Alendal, Guttorm; Omar, Abdirahman; Denny, AR et al. (2013). Technical synthesis report on droplet/bubble dynamics, plume dynamics and modelling parameters, use of hydro-acoustics to quantify droplet/bubble fluxes, and carbonate system variable assessment. (ekstern lenke)
• Chierici, Melissa; Sørensen, Kai; Johannessen, Truls et al. (2013). Tilførselsprogrammet 2012. Overvåking av havforsuring av norske farvann. (ekstern lenke)
• Lueger, Heike; Wanninkhof, Rik; Olsen, Are et al. (2008). The air-sea CO2 flux in the North Atlantic estimated from satellite and ARGO profiling float data. (ekstern lenke)
• Johannessen, Truls (2004). Tracer and circulation in the Nordic Seas Region. (ekstern lenke)
• Liss, Peter; Boyd, Philip; Cortijo, Elsa et al. (2004). The Surface Ocean - Lower Atmosphere Study (SOLAS) Science Plan and Implementation Strategy. (ekstern lenke)
• Anderson, Leif; Chierici, M.; Fogelqvist, E. et al. (1997). Excess dissolved inorganic carbon in the deep Greenland Sea, Scientific Report, European Subpolar Ocean Programme (ESOP). (ekstern lenke)
• Miller, Lisa Ann; Johannessen, Truls; Noji, T.T. et al. (1997). Influence of Biological production on inorganic carbon distribution in the Greenland Sea Scientific Report, European Subpolar Ocean Programme (ESOP). (ekstern lenke)

Poster

• Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls et al. (2022). Trends in Ocean Acidification in the Norwegian Sea. (ekstern lenke)
• Beszczynska-Möller, Agnieszka; Sagen, Hanne; Voss, Peter et al. (2020). HE34A-1990 Enhancement of ocean and sea ice insitu observations in the Arctic under the Horizon 2020 project INTAROS.. (ekstern lenke)
• Beszczynska-Möller, Agnieszka; Sagen, Hanne; Sejr, Mikael et al. (2019). Enhancement of ocean and sea ice insitu observations in the Arctic under the H2020 project INTAROS. (ekstern lenke)
• Omar, Abdirahman; Battisti, Charles Roman; Jeansson, Emil et al. (2017). Ocean Thematic Centre (OTC) one of the central facilities of the ICOS RI.. (ekstern lenke)
• Rajasakaren, Balamuralli; Jeansson, Emil; Olsen, Are et al. (2017). Decadal Changes in Ventilation and Anthropogenic Carbon in the Intermediate Depths of the Arctic Ocean. (ekstern lenke)
• García-Ibáñez, María Isabel; Omar, Abdirahman; Johannessen, Truls (2017). Geochemical monitoring for detection of CO2 leakage from subsea storage sites. (ekstern lenke)
• Fröb, Friederike; Olsen, Are; Becker, Meike et al. (2017). Impact of North Atlantic freshening on sea surface fCO2. (ekstern lenke)
• Omar, Abdirahman; Botnen, Helle Augdal; Thorseth, Ingunn Hindenes et al. (2014). The impact of submarine CO2 vents fields on seawater: implications for monitoring subsea carbon sequestration leakage. (ekstern lenke)
• Omar, Abdirahman; Botnen, Helle Augdal; Skjelvan, Ingunn et al. (2014). Annual and interannual variations of carbon cycling parameters in Arctic and temperate Norwegian fjords. (ekstern lenke)
• Jeansson, Emil; Olsen, Are ; Jutterström, Sara et al. (2014). Ventilation age and anthropogenic CO2 evolution in the Greenland Sea during the last decade. (ekstern lenke)
• Eide, Marie; Ninnemann, Ulysses S; Johannessen, Truls et al. (2013). Natural δ13C distributions in the Global Ocean. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls (2012). Carbonate variability at the Arctic entrance - Carbon time series at Ocean Weather Station M. (ekstern lenke)
• Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar et al. (2012). PVTx properties of a two-phase Co2 jet from ruptured pipeline. (ekstern lenke)
• Milutinovic, Svetlana; Behrenfeld, Michael J.; Johannessen, Johnny A. et al. (2010). Sensitivity of Ocean-Colour-Based Phytoplankton Productivity Estimates to Mixed Layer Depth. (ekstern lenke)
• Telszewski, M.; Nojiri, Y.; Schuster, U. et al. (2010). Air-sea flux in the North Atlantic and the North Pacific estimated by neural network. (ekstern lenke)
• Metzl, N.; Corbiere, A.; Reverdin, Gilles et al. (2009). Acceleration of sea surface fCO2 growth rate in the North Atlantic subpolar gyre (1993-2008). (ekstern lenke)
• Lauvset, Siv Kari; Olsen, Are ; Skjelvan, Ingunn et al. (2009). North Atlantic Relationships between surface fCO2 and Hydrography, evaluated using fCO2-SST Relationships. (ekstern lenke)
• Jeansson, Emil; Olsen, Are ; Eldevik, Tor et al. (2009). Transports, budget and variability of inorganic carbon in the Nordic Seas. (ekstern lenke)
• Pfeil, Benjamin; Olsen, Are ; Kozyr, A. et al. (2009). Surface Ocean CO2 atlas. (ekstern lenke)
• Lauvset, Siv Kari; Olsen, Are ; Johannessen, Truls et al. (2008). Assessment of the temporal and spatial changes of surface ocean fCO2 in the Nordic Seas, Barents Sea, and northern North Atlantic. (ekstern lenke)
• Lauvset, Siv Kari; Olsen, Are ; Johannessen, Truls et al. (2008). Effects of changes in mixing and temperature on carbon dioxide fugacity in the Northern North Atlantic and Norwegian Sea. (ekstern lenke)
• Olsson, A.; Jeansson, Emil; Messias, M. -J. et al. (2008). Pathway and mixing of Greenland Sea water to the Faroe area and the Iceland Basin. (ekstern lenke)
• Lauvset, Siv Kari; Johannessen, Truls; Olsen, Are et al. (2007). North Atlantic fCO2 variability in time and space. (ekstern lenke)
• Omar, Abdirahman; Olsen, Are ; Johannessen, Truls (2007). Air-sea ice CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea. (ekstern lenke)
• Johannessen, Truls; Olsen, Are ; Neill, Craig Chandler et al. (2007). pCO2 measurements on the VOS M/V Nuka Arctica in the northern North Atlantic. (ekstern lenke)
• Omar, Abdirahman; Heegaard, Einar; Olsen, Are et al. (2007). Variations of the air-sea CO2 flux in the North Sea: a new statistical method to assess the reliability of the estimates. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Olsen, Are (2007). CO2 variability in the Barents Sea: synthesis of available data and ongoing measurements. (ekstern lenke)
• Olsson, Anders; Tanhua, Toste; Eldevik, Tor et al. (2006). Export of Ventilated Water From the Nordic Seas to the North Atlantic and Arctic Oceans Investigated by Released SF6. (ekstern lenke)
• Heinze, Christoph; Johannessen, Truls; Volbers, Andrea Nicole et al. (2005). CARBOOCEAN - an EU Integrated Project focusing on the ocean's role for the uptake of atmospheric CO2. (ekstern lenke)
• Olsen, Are; Omar, Abdirahman; Bellerby, Richard et al. (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Bellerby, Richard et al. (2004). Sea ice and brine formation in Storfjorden: Implications for the Arctic winter time air-sea CO2 flux. (ekstern lenke)
• Olsen, Are; Bellerby, Richard; Haugan, Peter M. et al. (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry. (ekstern lenke)
• Olsen, Are; Anderson, Leif; Johannessen, Truls (2001). Climate forcing of oxygen fluxes in the Barents Sea. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2000). Potential Brine Water Sources in Storfjorden. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls (2000). Chemical characterisation of waters in Storfjorden. (ekstern lenke)

Vitenskapelig oversiktsartikkel/review

• Dañobeitia, Juan José; Pouliquen, Sylvie; Johannessen, Truls et al. (2020). Toward a comprehensive and integrated strategy of the European marine research infrastructures for ocean observations. (ekstern lenke)
• Steinhoff, Tobias; Gkritzalis, Thanos; Lauvset, Siv Kari et al. (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. (ekstern lenke)
• Bakker, Dorothee C.E.; Pfeil, Benjamin; Landa, Camilla Stegen et al. (2016). A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). (ekstern lenke)
• Frigstad, Helene; Andersen, Tom; Hessen, Dag Olav et al. (2013). Long-term trends in carbon, nutrients and stoichiometry in Norwegian coastal waters: Evidence of a regime shift. (ekstern lenke)

Faglig foredrag

• Skjelvan, Ingunn; Johannessen, Truls (2019). Havforsuringsovervåkningen 2018 - NORCE og Universitetet i Bergen. (ekstern lenke)
• Beszczynska-Möller, Agnieszka; Sandven, Stein; Sagen, Hanne et al. (2018). Enhancement of in situ observing systems in the Arctic under INTAROS. (ekstern lenke)
• Chierici, Melissa; Skjelvan, Ingunn; Norli, Marit et al. (2017). Monitoring of Ocean Acidification in Norwgian waters. (ekstern lenke)
• Skjelvan, Ingunn; Johannessen, Truls (2016). Time series of carbon in a changing climate - examples from Station M in the Norwegian Sea. (ekstern lenke)

Doktorgradsavhandling

• Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls et al. (2015). Quantifying uncertainties when monitoring marine environments in connection with geological storage of CO2. (ekstern lenke)
• Johannessen, Truls (1992). Stable Isotopes as Climatic Indicators in Ocean and Lake Sediments. (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Bakker, Dorothee C.E.; Bange, Hermann W.; Gruber, Nicolas et al. (2014). Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4)in a changing climate. (ekstern lenke)
• Skjelvan, Ingunn; Olsen, Are; Anderson, Leif Gunnar et al. (2005). A Review of the Inorganic Carbon Cycle of the Nordic Seas and Barents Sea. (ekstern lenke)
• Omar, Abdirahman; Johannessen, Truls; Bellerby, Richard et al. (2005). Sea-Ice and Brine Formation in Storfjorden: Implications for the Arctic Wintertime Air-Sea CO2 Flux. (ekstern lenke)
• Noji, T.T.; Miller, Lisa A.; Skjelvan, Ingunn et al. (2000). Constraints on carbon drawdown and export in the Greenland Sea. (ekstern lenke)

Intervju

• Johannessen, Truls (2014). Vil spore ørsmå CO2-lekkasjer. (ekstern lenke)
• Johannessen, Truls (2014). Trygg CO2-lagring i Nordsjøen?. (ekstern lenke)
• Johannessen, Truls (2014). CO2-lekkasjer og naturlige variasjoner. (ekstern lenke)
• Johannessen, Truls (2012). Vil overvåke CO 2 i havet fra Bergen. (ekstern lenke)
• Lauvset, Siv Kari; Olsen, Are ; Skjelvan, Ingunn et al. (2011). Klimavariasjoner styrer CO2-opptak. (ekstern lenke)
• Johannessen, Truls (2011). Bekymret for virkningen av CO2-utslipp på havet. (ekstern lenke)
• Johannessen, Truls; Heinze, Christoph (2011). CO2-jakt ledes fra Bergen. (ekstern lenke)
• Johannessen, Truls (2011). CO2-utslipp på havet bekymrer. (ekstern lenke)
• Johannessen, Truls (2011). Bergen styrer forskning om havets CO2-opptak. (ekstern lenke)
• Johannessen, Truls (2010). Norsk kulde, global varme. (ekstern lenke)
• Johannessen, Truls; Olsen, Are ; Borsheim, Knut Yngve et al. (2010). Overvåker forsuring i havet. (ekstern lenke)
• Johannessen, Truls (2009). Nå har verdenshavene nådd et metningspunkt. (ekstern lenke)
• Johannessen, Truls (2009). Havet mettet på CO2. (ekstern lenke)
• Johannessen, Truls (2009). Havet mettet på CO2. (ekstern lenke)
• Johannessen, Truls (2009). Havet sluker mindre CO2. (ekstern lenke)
• Johannessen, Truls (2009). Havet tar opp mindre CO2. (ekstern lenke)
• Johannessen, Truls (2009). CO2-stans i havet. (ekstern lenke)
• Johannessen, Truls (2009). Havet mettet på CO2. (ekstern lenke)
• Johannessen, Truls (2009). Havet mettet på CO2. (ekstern lenke)
• Johannessen, Truls; Heinze, Christoph (2009). Klimaendringer minker havets evne til å stoppe klimaendringer. (ekstern lenke)
• Johannessen, Truls (2009). Havet sluker mindre CO2. (ekstern lenke)
• Johannessen, Truls (2009). Havet tar opp mindre CO2. (ekstern lenke)
• Johannessen, Truls (2007). Dramatisk endring i havets CO2-opptak. (ekstern lenke)
• Johannessen, Truls; Gripsrud, Silje (2003). Tar pulsen på klimasystemet. (ekstern lenke)
• Johannessen, Truls; Lindebotten, Tor (2002). Forsker på gåtefulle virvler. (ekstern lenke)
• Johannessen, Truls (2002). "Bedre kartleggingsmuligheter". Om nye G.O. Sars. (ekstern lenke)
• Johannessen, Truls (2002). "Bjerknesforskeres funn forklarer dypvannsdannelse - ny artikkel i Nature". (ekstern lenke)

Populærvitenskapelig foredrag

• Johannessen, Truls (2010). Havets rolle i atmosfærens Co2 utvikling og Havforsuringsproblematikken. (ekstern lenke)
• Johannessen, Truls (2007). Forholdene i havet - viktigere enn vi tror. (ekstern lenke)
• Watson, A.J.; Messias, M-J.; Fogelqvist, E. et al. (1998). Deep convection studied by a tracer release in the Greenland Sea. (ekstern lenke)

Leserinnlegg

• Skjelvan, Ingunn; Johannessen, Truls; Børsheim, Knut Yngve (2009). Klimaovervaking treng verskipet Polarfront, Tora Aasland!. (ekstern lenke)
• Kasajima, Yoshie; Johannessen, Truls (2008). Role of cabbeling in water densification in the Greenland Sea. (ekstern lenke)

Kronikk

• Skjelvan, Ingunn; Johannessen, Truls; Børsheim, Knut Yngve (2009). Redd Polarfront!. (ekstern lenke)

Populærvitenskapelig artikkel

• Olsen, Are ; Omar, Abdirahman; Skjelvan, Ingunn et al. (2008). The Bjerknes Centre pCO2 observing network. (ekstern lenke)
• Johannessen, Truls; Eldevik, Tor; Olsson, Anders et al. (2004). Spredning av SF6 i Grønlandshavet. (ekstern lenke)
• Olsen, Are; Francisco, Rey; Johannessen, Truls (2001). Havklimaets betydning for biologisk produksjon: En flerårs studie fra Fugløya-Bjørnøyasnittet. (ekstern lenke)

Oversatt bok

• Skjelvan, Ingunn; Falck, Eva; Johannessen, Truls et al. (2007). What we know, what we do not know, and how we try to better understand global change. (ekstern lenke)

Sammendrag/abstract

• Peltzer, Edward T.; Brewer, Peter G.; Nakayama, N. et al. (2004). Initial results from a 4 km ocean CO2 release experiment. (ekstern lenke)

Hovedfagsoppgave

• Nondal, Gisle; Johannessen, Truls (2004). The carbon dioxide system in the Northern North Atlantic: an assessment of the optimal variable combination for Voluntary Observing Ships. (ekstern lenke)

Fagbok

• Johannessen, Truls; Skjelvan, Ingunn; Miller, Lisa et al. (1996). pCO2 fluxes in the Nordic Seas. (ekstern lenke)

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