Publications
Conference poster
- Abdirahman Omar; Ingunn Skjelvan (2023). Coastal biogeochemical time series in southwestern Norway. (external link)
- Emil Jeansson; Are Olsen; Tor Eldevik et al. (2009). Transports, budget and variability of inorganic carbon in the Nordic Seas. (external link)
- Guttorm Alendal; Jeremy Blackford; Baixin Chen et al. (2016). Using Bayes Theorem to Quantify and Reduce Uncertainties when Monitoring Varying Marine Environments for Indications of a Leak. (external link)
- Abdirahman Omar; Truls Johannessen (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (external link)
- Friederike Fröb; Are Olsen; Meike Becker et al. (2017). Impact of North Atlantic freshening on sea surface fCO2. (external link)
- Maribel Garcia-Ibanez; Abdirahman Omar; Guttorm Alendal et al. (2018). THE STOICHIOMETRIC ΔCSEEP METHOD AS A MONITORING TOOL FOR DETECTION OF CO2 LEAKAGE FROM SUBSEA STORAGE SITES. (external link)
- Siv Kari Lauvset; Are Olsen; Truls Johannessen et al. (2008). Assessment of the temporal and spatial changes of surface ocean fCO2 in the Nordic Seas, Barents Sea, and northern North Atlantic. (external link)
- Abdirahman Omar; Are Olsen; Truls Johannessen (2007). Air-sea ice CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea. (external link)
- Abdirahman Omar; Charles Roman Battisti; Emil Jeansson et al. (2017). Ocean Thematic Centre (OTC) one of the central facilities of the ICOS RI.. (external link)
- Abdirahman Omar; Truls Johannessen (2000). Chemical characterisation of waters in Storfjorden. (external link)
- Abdirahman Omar; Truls Johannessen (2000). Potential Brine Water Sources in Storfjorden. (external link)
- Abdirahman Omar; Ingunn Skjelvan (2021). Coastal CO2 dynamics in southwestern Norway. (external link)
- Abdirahman Omar; Truls Johannessen; Are Olsen (2007). CO2 variability in the Barents Sea: synthesis of available data and ongoing measurements. (external link)
- Siv Kari Lauvset; Are Olsen; Truls Johannessen et al. (2008). Effects of changes in mixing and temperature on carbon dioxide fugacity in the Northern North Atlantic and Norwegian Sea. (external link)
- Helle Augdal Botnen; Abdirahman Omar; Ivar Aavatsmark et al. (2012). PVTx properties of a two-phase Co2 jet from ruptured pipeline. (external link)
- S. Signorini; S. Häkkinen; Are Olsen et al. (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008. (external link)
- Abdirahman Omar; Truls Johannessen (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (external link)
- María Isabel García-Ibáñez; Abdirahman Omar; Truls Johannessen (2017). Geochemical monitoring for detection of CO2 leakage from subsea storage sites. (external link)
- Meike Becker; Are Olsen; Arian Bastani et al. (2017). Surface ocean pCO2 maps along the Norwegian coast-A regional optimization of global pCO2 maps. (external link)
- Abdirahman Omar; Truls Johannessen; Richard Bellerby et al. (2004). Sea ice and brine formation in Storfjorden: Implications for the Arctic winter time air-sea CO2 flux. (external link)
- Abdirahman Omar; Maribel Garcia-Ibanez; Guttorm Alendal (2018). The stoichiometric Cseep method as a tool to distinguish CO2 seepage signal from natural variability. (external link)
- Abdirahman Omar; Einar Heegaard; Are Olsen 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. (external link)
- Abdirahman Omar; Helle Augdal Botnen; Ingunn Skjelvan et al. (2014). Annual and interannual variations of carbon cycling parameters in Arctic and temperate Norwegian fjords. (external link)
- Are Olsen; Richard Bellerby; Peter M. Haugan et al. (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry. (external link)
- Are Olsen; Abdirahman Omar (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data. (external link)
- Guttorm Alendal; Dorothy Jane Dankel; Bjarte Fagerås et al. (2023). Assurance offshore CO2 monitoring, a cross-disciplinary approach.. (external link)
- Guttorm Alendal; Jeremy Blackford; Baixin Chen et al. (2017). Bayes’ theorem as the fundament to design monitoring programs.. (external link)
- Guttorm Alendal; Jeremy Blackford; Baixin Chen et al. (2016). Bayes’ theorem as the fundament to design monitoring programs.. (external link)
- Siv Kari Lauvset; Stephen Matthew Platt; Holger Lange et al. (2024). ICOS-NORWAY – A TOOL TO VERIFY NORWEGIAN GREENHOUSE GAS REDUCTIONS. (external link)
- Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades. (external link)
- Are Olsen; Abdirahman Omar; Emil Jeansson et al. (2009). Nordic Seas Anthropogenic CO2. (external link)
- Abdirahman Omar (2007). Air-sea CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea. (external link)
- Abdirahman Omar; Helle Augdal Botnen; Ingunn Hindenes Thorseth et al. (2014). The impact of submarine CO2 vents fields on seawater: implications for monitoring subsea carbon sequestration leakage. (external link)
- Are Olsen; Abdirahman Omar; Emil Jeansson et al. (2009). Nordic Seas transit-time distributions and anthopogenic CO2. (external link)
- Ylva Ericson; Agneta Fransson; Melissa Chierici et al. (2021). Spatiotemporal variability of the surface water aragonite saturation state in the western Barents Sea. (external link)
- M. Telszewski; Y. Nojiri; U. Schuster et al. (2010). Air-sea flux in the North Atlantic and the North Pacific estimated by neural network. (external link)
- Are Olsen; Abdirahman Omar; A. Stuart-Menteth et al. (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data. (external link)
Popular science article
Academic article
- Are Olsen; Balamuralli Rajasakaren; Emil Jeansson et al. (2024). In the Wake of Deeper Convection: Nonsteady State Anthropogenic Carbon in the Greenland Sea. (external link)
- Abdirahman Omar; Truls Johannessen; Are Olsen et al. (2007). Seasonal and interannual variability of the air-seaCO(2) flux in the Atlantic sector of the Barents Sea. (external link)
- Andreas Andersson; Eva Falck; Anna Sjöblom et al. (2017). Air-sea gas transfer in high Arctic fjords. (external link)
- Abdirahman Omar; Truls Johannessen; Stafan Kaltin et al. (2004). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. (external link)
- Pierre Friedlingstein; Michael O'Sullivan; Matthew W. Jones et al. (2023). Global Carbon Budget 2023. (external link)
- Salma Elageed; Abdirahman Omar; Emil Jeansson et al. (2025). Organic Carbon Remineralization and Calcium Carbonate Production Rates in the Red Sea Computed From Oxygen and Alkalinity Utilizations. (external link)
- Sayaka Yasunaka; Eko Siswanto; Are Olsen et al. (2018). Arctic Ocean CO2 uptake: An improved multiyear estimate of the air-sea CO2 flux incorporating chlorophyll a concentrations. (external link)
- Abdirahman Omar; Are Olsen; Truls Johannessen et al. (2010). Spatiotemporal variations of fCO2 in the North Sea. (external link)
- Ylva Ericson; Agneta Fransson; Melissa Chierici et al. (2023). Rapid fCO2 rise in the northern Barents Sea and Nansen Basin. (external link)
- Abdirahman Omar; Ingunn Skjelvan; Svein Rune Erga et al. (2016). Aragonite saturation states and pH in western Norwegian fjords: Seasonal cycles and controlling factors, 2005-2009. (external link)
- Are Olsen; R.M. Key; Emil Jeansson et al. (2009). Overview of the Nordic Seas CARINA data and salinity measurements. (external link)
- Guttorm Alendal; Jeremy Blackford; Baixin Chen et al. (2017). Using Bayes theorem to quantify and reduce uncertainties when monitoring varying marine environments for indications of a leak. (external link)
- Pierre Friedlingstein; Matthew W. Jones; Michael O'Sullivan et al. (2019). Global carbon budget 2019. (external link)
- Are Olsen; Abdirahman Omar; Emil Jeansson et al. (2010). Nordic seas transit time distributions and anthropogenic CO2. (external link)
- Maciej Telszewski; Aymeric Chazottes; Ute Schuster et al. (2009). Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network. (external link)
- Abdirahman Omar; Truls Johannessen; S.A. Kaltin et al. (2003). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. (external link)
- Siv Kari Lauvset; Melissa Chierici; Francois Counillon et al. (2013). Annual and seasonal fCO(2) and air-sea CO2 fluxes in the Barents Sea. (external link)
- Meike Becker; Are Olsen; Peter Landschützer et al. (2021). The northern European shelf as an increasing net sink for CO2. (external link)
- Abdirahman Omar; Are Olsen (2006). Reconstructing the time history of the air-sea CO2 disequilibrium and its rate of change in the eastern subpolar North Atlantic, 1972-1989. (external link)
- Abdirahman Omar; Are Olsen; M. Hoppema et al. (2009). Spatiotemporal variations of fCO2 in the North Sea. (external link)
- Abdirahman Omar; Maribel I. García-Ibáñez; Allison Schaap et al. (2021). Detection and quantification of CO2 seepage in seawater using the stoichiometric Cseep method: Results from a recent subsea CO2 release experiment in the North Sea. (external link)
- Elsheikh B. Ali; Ingunn Skjelvan; Abdirahman Omar et al. (2021). Sea surface pCO2 variability and air-sea CO2 exchange in the coastal Sudanese Red Sea. (external link)
- Åke Emil Jeansson; Are Olsen; Tor Eldevik et al. (2011). The Nordic Seas carbon budget: Sources, sinks, and uncertainties. (external link)
- Abdirahman Omar; Helmuth Thomas; Are Olsen et al. (2019). Trends of Ocean Acidification and pCO2 in the Northern North Sea, 2003-2015. (external link)
- Sara Jutterström; Leif Gunnar Anderson; Nicholas R. Bates et al. (2010). Arctic Ocean data in CARINA. (external link)
- Helle Augdal Botnen; Abdirahman Omar; Ivar Aavatsmark et al. (2013). PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. (external link)
- Helene Frigstad; Stephanie A. Henson; Susan E. Hartman et al. (2015). Links between surface productivity and deep ocean particle flux at the Porcupine Abyssal Plain sustained observatory. (external link)
- Elsheikh Bashir Ali; James H. Churchill; Knut Barthel et al. (2018). Seasonal variations of hydrographic parameters off the Sudanese coast of the Red Sea, 2009-2015. (external link)
- Corinne Le Quéré; Glen Philip Peters; Robert J. Andres et al. (2014). Global carbon budget 2013. (external link)
- Anna Lichtschlag; Christopher R. Pearce; Mikael Suominen et al. (2021). Suitability analysis and revised strategies for marine environmental carbon capture and storage (CCS) monitoring. (external link)
- Are Olsen; Abdirahman Omar; AC Stuart-Menteth et al. (2004). Diurnal variations of surface ocean pCO(2) and sea-air CO2 flux evaluated using remotely sensed data. (external link)
- Robert Lennox; Claudia Junge; Jan Reubens et al. (2022). Strategic importance of the Bergen-Shetland Corridor to marine biology and oceanography of the Atlantic Ocean. (external link)
- C. Le Quéré; Glen Philip Peters; R.J. Andres et al. (2013). Global carbon budget 2013. (external link)
- Friederike Fröb; Are Olsen; Meike Becker et al. (2019). Wintertime fCO2 variability in the subpolar North Atlantic since 2004. (external link)
- C. L. Sabine; S. Hankin; H. Koyuk et al. (2013). Surface Ocean CO2 Atlas (SOCAT) gridded data products. (external link)
- William Burt; Helmuth Thomas; Johannes Pätsch et al. (2014). Radium isotopes as a tracer of sediment-water column exchange in the North Sea. (external link)
- Svein Rune Erga; Abdirahman Omar; Ingar Singstad et al. (1999). An optical detection system for the study of fine scale vertical displacement of microalgae in an artificial water column. (external link)
- Friederike Fröb; Are Olsen; Fiz F. Pérez et al. (2018). Inorganic Carbon and Water Masses in the Irminger Sea since 1991. (external link)
- Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. (external link)
- Marius Årthun; Richard Bellerby; Abdirahman Omar et al. (2012). Spatiotemporal variability of air-sea CO2 fluxes in the Barents Sea, as determined from empirical relationships and modeled hydrography. (external link)
- D.P. Connelly; J.M. Bull; A. Flohr et al. (2022). Assuring the integrity of offshore carbon dioxide storage. (external link)
- Helle Augdal Botnen; Abdirahman Omar; Ingunn Hindenes Thorseth et al. (2015). The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. (external link)
- Are Olsen; Richard Bellerby; Truls Johannessen et al. (2003). Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. (external link)
- Corinne Le Quéré; Robbie Andrew; Josep G. Canadell et al. (2016). Global Carbon Budget 2016. (external link)
- Vassilis Kitidis; Jamie D. Shutler; Ian Ashton et al. (2019). Winter weather controls net influx of atmospheric CO2 on the north-west European shelf. (external link)
- Sara Filippa Krusmynta Fransner; Friederike Fröb; Jerry Tjiputra et al. (2022). Acidification of the Nordic Seas. (external link)
- Anna Oleynik; Maribel I. García-Ibáñez; Nello Blaser et al. (2020). Optimal sensors placement for detecting CO2 discharges from unknown locations on the seafloor. (external link)
- Sergio R. Signorini; Sirpa Häkkinen; Kristinn Gudmundsson et al. (2012). The role of phytoplankton dynamics in the seasonal and interannual variability of carbon in the subpolar North Atlantic - a modeling study. (external link)
- Benjamin Pfeil; Are Olsen; D. C. E. Bakker et al. (2013). A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). (external link)
- Are Olsen; Richard Bellerby; Truls Johannessen et al. (2004). Interannual variability in the wintertime air-sea flux of carbon dioxide in the northern North Atlantic, 1981-2001. (external link)
- Sayaka Yasunaka; Akihiko Murata; Eiji Watanabe 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. (external link)
Academic literature review
- Rik Wanninkhof; Penelope A. Pickers; Abdirahman Omar et al. (2019). A surface ocean CO2 reference network, SOCONET and associated marine boundary layer CO2 measurements. (external link)
- Lars Henrik Smedsrud; Igor Esau; Randi Ingvaldsen et al. (2013). The role of the Barents Sea in the arctic climate system. (external link)
- Dorothee C.E. Bakker; Benjamin Pfeil; Camilla Stegen Landa et al. (2016). A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). (external link)
- Tobias Steinhoff; Thanos Gkritzalis; Siv Kari Lauvset 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. (external link)
Conference lecture
- Abdirahman Omar; Truls Johannessen (2001). Can cold brine formation intensify the oceanic uptake of atmospheric CO2?. (external link)
- Guttorm Alendal; Anna Oleynik; Nello Blaser et al. (2018). The need for proper environmental statistics to design adequate monitoring for offshore geological storage of CO2 projects.. (external link)
- Are Olsen; Siv K. Lauvseth; Ingunn Skjelvan et al. (2007). Surface Ocean CO2 Variability and Vulnerabilities: The Arctic Ocean and Nordic Seas. (external link)
- Meike Becker; Are Olsen; Abdirahman Omar et al. (2017). Surface ocean pCO2 measurements within ICOS Norway and the example of M/V Nuka Arctica. (external link)
- Jerry Blackford; Guttorm Alendal; Yuri Artioli et al. (2018). Ensuring efficient and robust offshore storage – the role of marine system modelling. (external link)
- Abdirahman Omar; Stefan Carpentier (2020). Act on Offshore Monitoring (ACTOM). Monitoring offshore CCS. CCS regulatory framework.. (external link)
- Abdirahman Omar (2005). pCO2 measurements from voluntary observing ships (VOS): the scientific aspect. (external link)
- Are Olsen; Ingunn Skjelvan; Abdirahman Omar et al. (2005). Establishing a northen North Atlantic CO2 observing network. (external link)
- Richard Bellerby; Are Olsen; Gisle Nondal et al. (2010). Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans. (external link)
- Sarah Eileen Gasda; Anna Oleynik; Svenn Tveit et al. (2023). ACTOM Decision Support Tool for offshore environmental monitoring: Smeaheia region case study, Norwegian North Sea. (external link)
- Truls Johannessen; Richard Bellerby; Eystein Jansen et al. (2001). The Greenland Sea Experiment. (external link)
- Truls Johannessen; Richard Bellerby; Abdirahman Omar et al. (2001). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic seas. (external link)
- E Jeansson; Are Olsen; Tor Eldevik et al. (2012). A carbon budget for the Nordic Seas. (external link)
- Abdirahman Omar (2021). Detection and quantification of CO2 seepage in seawater using the stoichiometric Cseep method. (external link)
- Are Olsen; Abdirahman Omar; Emil Jeansson et al. (2010). Nordic Seas anthropogenic CO2, evaluation of methods and distribution. (external link)
- Abdirahman Omar (2003). Brine formation as a pathway for carbon to the deep ocean. (external link)
- Abdirahman Omar (2020). The Cseep method as a monitoring tool to detect and quantify CO2 seepage.. (external link)
- Abdirahman Omar; Truls Johannessen (2009). What parameters should be measured in the water column during a baseline study?. (external link)
- Abdirahman Omar (2010). Carbon uptake and acidification in high latitude NA:the decisive role of air-sea CO2 disequilibrium. (external link)
- Abdirahman Omar; Truls Johannessen (2010). CO2 storage sites in the North Sea Overview: WP Water Column. (external link)
- Abdirahman Omar; Elsheikh Bashir Ali; Ingunn Skjelvan et al. (2014). The inorganic carbon cycle in the Red Sea studied using historical cruise data and five years long coastal time series. (external link)
- Truls Johannessen; Leif G. Anderson; Richard Bellerby et al. (2002). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic Seas, Ocean Sciences Meeting. (external link)
- Ingunn Skjelvan; Are Olsen; Abdirahman Omar et al. (2013). Ocean acidification and trends in the Norwegian Sea. (external link)
- Are Olsen; Abdirahman Omar; Emil Jeansson et al. (2010). Anthropogenic carbon and ocean acidification in the Nordic Seas. (external link)
- Truls Johannessen; Leif G. Andersson; Richard Bellerby et al. (2000). The Carbon cycle in the Nordic Seas, a perspective. (external link)
- Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2006). The anthropogenic CO2 increase and 13C Suess effect in the northern North Atlantic. (external link)
- Emil Jeansson; Are Olsen; Tor Eldevik et al. (2010). The Nordic Seas Carbon Budget: Sources, Sinks And Uncertainties. (external link)
- Ingunn Skjelvan; Truls Johannessen; Abdirahman Omar (2000). fCO2 variations and fCO2 calculations in the Greenland Sea surface water. (external link)
- Truls Johannessen; Abdirahman Omar; Laila Johanne Reigstad (2012). WP 5: Detection of potential leakage of injected CO2 and its potential effect on the environment. (external link)
- Guttorm Alendal; Anna Oleynik; Dorothy Jane Dankel et al. (2020). Monitoring offshore CO2 storage projects, aligning capabilities with regulations and public expectations.. (external link)
- Abdirahman Omar; Are Olsen; Truls Johannessen et al. (2011). Spatiotemporal variations of fCO2 in the North Sea. (external link)
- S. Signorini; S. Häkkinen; Are Olsen et al. (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008. (external link)
- Meike Becker; Are Olsen; Peter Landschützer et al. (2021). The northern European shelf as increasing net sink for CO2. (external link)
- Are Olsen; Richard Bellerby; Truls Johannessen et al. (2009). Havforsuring - utvikling og prognoser for norske farvann. (external link)
- Abdirahman Omar (2021). CO2 i sjøvann: Miljøstatistikk og utfordringer knyttet til å oppdage lekkasje. (external link)
- Abdirahman Omar; Truls Johannessen; Peter M. Haugan (2010). Konsekvenser av CO2 lekkasje. (external link)
- Truls Johannessen; Abdirahman Omar; Laila Johanne Reigstad et al. (2012). Status WP5: The Marine Component. (external link)
- Are Olsen; Abdirahman Omar; Richard Bellerby et al. (2006). Carbon changes in the high latitude North Atlantic. (external link)
- Abdirahman Omar; Maribel Garcia-Ibanez; Anna Oleynik (2019). Utility of the Cseep method in the vicinity of Goldeneye.. (external link)
- Abdirahman Omar (2019). The stoichiometric Cseep method as a tool to detect CO2 seepage from subsea CO2 storage in the North Sea: potential role of ICOS data.. (external link)
- Are Olsen; Richard Bellerby; Truls Johannessen et al. (2002). Instumentation for in Situ and Autonomous Monitoring of the Marine Carbon Dioxide System. (external link)
- Abdirahman Omar; Olsen Are; Johannessen Truls et al. (2008). fCO2 variability in the North Sea. (external link)
- Guttorm Alendal; Sigrid Eskeland Schütz; Anna Oleynik et al. (2022). ACT on Marine Monitoring, project presentation. (external link)
- Ylva Ericson; Agneta Fransson; Melissa Chierici et al. (2023). Rapid fCO2 rise in the northern Barents Sea and Nansen Basin. (external link)
- Truls Johannessen; Leif G. Andersson; Eva Falck et al. (2000). The carbon cycle in the Nordic Seas, A synthesis done during the CARDEEP era. (external link)
- Abdirahman Omar; Truls Johannessen (2000). Potential brine water sources in Storfjord. (external link)
- Abdirahman Omar (2012). Multi-sensor platform for monitoring CO2 seepage in marine sediment /benthic boundary layer and overlying water column. (external link)
- Truls Johannessen; Richard Bellerby; Abdirahman Omar 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". (external link)
- Truls Johannessen; Marie-José Messias; Anders Olsson et al. (2001). Ocean pathways as seen by tracers and transport of carbon in the Nordic Seas. (external link)
- Lars Henrik Smedsrud; Randi Ingvaldsen; Igor Esau et al. (2012). The role of the Barents Sea in the climate system. (external link)
- Abdirahman Omar; Truls Johannessen; Richard Bellerby et al. (2005). Sea Ice brinbe formation in Storfjorden: implications for the Arctic winter time air-sea CO2 flux. (external link)
- Abdirahman Omar (2005). Ny kunnskap om havets respons til utslipp av menneskeskapt (antropogent) karbon. (external link)
- Abdirahman Omar; Are Olsen; C Neil et al. (2009). Marine carbon measurement techniques. (external link)
- Richard Bellerby; Jerry Tjiputra; Anna Silyakova et al. (2012). North Atlantic and Arctic Ocean carbon biogeochemical responses and feedbacks to climate change. (external link)
- Trond Martin Dokken; Abdirahman Omar; Camille Li (2012). Benthic S18O signature of dense brine from sea ice formation in the North Atlantic. (external link)
- Richard Bellerby; Christoph Heinze; Caroline Kivimæe et al. (2005). Ocean carbon cycle and biogeochemistry. (external link)
- Abdirahman Omar; Are Olsen; Truls Johannessen (2006). Air-sea CO2 flux variability in the North Sea: 19 months of observations from voluntry observing ships. (external link)
- Abdirahman Omar; Olsen Are; Johannessen Truls et al. (2008). Spetio-temporal fCO2 variability in the North Sea. (external link)
Research report
- Abdirahman Omar; Guttorm Alendal; Maribel Garcia-Ibanez et al. (2018). Marine monitoring of carbon capture and storage: Methods, strategy, and potential impacts of excess inorganic carbon in the water column. (external link)
- Sigrid Eskeland Schütz; Abdirahman Omar (2023). Report on regulations and technological capabilities for monitoring CO2 storage sites.. (external link)
- Ingunn Skjelvan; Abdirahman Omar (2015). Kunnskapsstatus for havforsuring i fjorder langs Vestlandskysten. (external link)
- Ingunn Skjelvan; Melissa Chierici; Kai Sørensen et al. (2016). Havforsuring i vestlandsfjorder og CO2-variabilitet i Lofoten. (external link)
- Guttorm Alendal; Abdirahman Omar; AR Denny 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. (external link)
- Helle Augdal Botnen; Abdirahman Omar; Ivar Aavatsmark et al. (2014). Unintended releases of Carbon Dioxide (CO2) from offshore pipelines: thermodynamic processes and the fundamental hydrodynamical equations. (external link)
- Abdirahman Omar (2009). Internrapport: Rapport nr R32 Theoretical discription and empirical evaluation of a water degasser developed by Akvator AS. (external link)
- Ingunn Skjelvan; Elizabeth Marie Jones; Melissa Chierici et al. (2021). Monitoring ocean acidification in Norwegian seas in 2020 / Havforsuringsovervåking i norske farvann i 2020. (external link)
- Johannes Beck; Ana López-Ballesteros; Abdirahman Omar 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. (external link)
- Elizabeth Marie Jones; Ingunn Skjelvan; Helene Frigstad et al. (2022). Monitoring ocean acidification in Norwegian seas in 2021 - selected results. (external link)
- Ingunn Skjelvan; Elizabeth Marie Jones; Melissa Chierici et al. (2021). Monitoring ocean acidification in Norwegian seas in 2020. (external link)
- Melissa Chierici; Ingunn Skjelvan; Marit Norli et al. (2016). Overvåking av havforsuring i norske farvann i 2015. (external link)
- Abdirahman Omar (2019). Determination of seepage CO2 dissolved in seawater using the Cseep method. (external link)
- Igor Esau; Richard Davy; Lars H. Smedsrud et al. (2018). BASIC:-Boundary Layers in the Arctic Atmosphere, Seas and Ice Dynamics - SKD Strategic Project January 2015 – December 2017. (external link)
- Ana López-Ballesteros; Johannes Beck; Ingunn Skjelvan 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.. (external link)
- Ingunn Skjelvan; Abdirahman Omar; Elsheikh Bashir Ali et al. (2019). Training workshop with focus on preparing oceanographic data for sharing, Deliverable 5.3 from the EU project 730995 SEACRIFOG. (external link)
- Ingunn Skjelvan; Are Olsen; Abdirahman Omar et al. (2013). Rapport fra arbeidet med å oppdatere havforsuringsdelen av Forvaltningsplanen for Norskehavet. (external link)
- Carlo Aall; Abdirahman Omar; Knut Yngve Børsheim et al. (2015). Havforsuring og sjømatnæringen på Vestlandet: Kunnskapsstatus og handlingsrom Rapport fra et forprosjekt. (external link)
- Ingunn Skjelvan; Emil Jeansson; Melissa Chierici et al. (2014). Havforsuring og opptak av antropogent karbon i de Nordiske hav, 1981-2013, M244-2014. (external link)
- Abdirahman Omar; Maribel Garcia-Ibanez; Anna Oleynik et al. (2019). Underpinning data for monitoring activities (including current statistics and carbon tracer quantifications). (external link)
- Ingunn Skjelvan; Emil Jeansson; Melissa Chierici et al. (2022). Trender i havforsuring og antropogent karbon i de nordiske hav, Nordsjøen og Skagerrak. (external link)
- Sigrid Eskeland Schütz; Abdirahman Omar; Stefan Carpentier (2021). Report on regulations and technological capabilities for monitoring CO2 storage sites. ACTOM project report. Version 1.0. (external link)
Professional article
- Guttorm Alendal; Sarah Eileen Gasda; Katherine Romanak et al. (2022). The Impact of Pre-Project Data Quality and Quantity on Developing Environmental Monitoring Strategies for Offshore Carbon Storage: Case Studies from the Gulf of Mexico and the North Sea.. (external link)
- Marius Dewar; Guttorm Alendal; Jeremy Blackford et al. (2022). Demonstration of a Semi-Automated Decision Support Toolbox to Aid Operators in the Design of Efficient Environmental Offshore Monitoring Programs for Co2 Storage Sites. (external link)
Media interview
Lecture
- Abdirahman Omar (2015). Monitoring of varying marine environment: detection method and survey strategies. (external link)
- Abdirahman Omar (2014). Marine Monitoring -Carbon-based tracers early detection of CO2 leakage. (external link)
- Abdirahman Omar (2015). Marine environmental monitoring. (external link)
- Ingunn Skjelvan; Meike Becker; Abdirahman Omar et al. (2018). ICOS data used for Ocean acidification research. (external link)
Academic book chapter
- Dorothee C.E. Bakker; Hermann W. Bange; Nicolas Gruber et al. (2014). Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4)in a changing climate. (external link)
- Ingunn Skjelvan; Are Olsen; Leif Gunnar Anderson et al. (2005). A Review of the Inorganic Carbon Cycle of the Nordic Seas and Barents Sea. (external link)
- Abdirahman Omar; Truls Johannessen; Richard Bellerby et al. (2005). Sea-Ice and Brine Formation in Storfjorden: Implications for the Arctic Wintertime Air-Sea CO2 Flux. (external link)