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Abdirahman Omar's picture

Abdirahman Omar

Guest Researcher
Bjerknes Centre for Climate Research
  • E-mailabdir.omar@uib.no
  • Visitor Address
    Allégaten 70
    5007 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Show author(s) (2023). Rapid fCO<inf>2</inf> rise in the northern Barents Sea and Nansen Basin. Progress in Oceanography. 25 pages.
  • Show author(s) (2022). Strategic importance of the Bergen-Shetland Corridor to marine biology and oceanography of the Atlantic Ocean. Fisheries Oceanography. 471-479.
  • Show author(s) (2022). Assuring the integrity of offshore carbon dioxide storage. Renewable and Sustainable Energy Reviews. 9 pages.
  • Show author(s) (2022). Acidification of the Nordic Seas. Biogeosciences. 979-1012.
  • Show author(s) (2021). The northern European shelf as an increasing net sink for CO2. Biogeosciences.
  • Show author(s) (2021). Suitability analysis and revised strategies for marine environmental carbon capture and storage (CCS) monitoring. International Journal of Greenhouse Gas Control.
  • Show author(s) (2021). Sea surface pCO2 variability and air-sea CO2 exchange in the coastal Sudanese Red Sea. Regional Studies in Marine Science. 11 pages.
  • Show author(s) (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. International Journal of Greenhouse Gas Control.
  • Show author(s) (2020). Optimal sensors placement for detecting CO2 discharges from unknown locations on the seafloor. International Journal of Greenhouse Gas Control.
  • Show author(s) (2019). Wintertime fCO2 variability in the subpolar North Atlantic since 2004 . Geophysical Research Letters. 1580-1590.
  • Show author(s) (2019). Winter weather controls net influx of atmospheric CO2 on the north-west European shelf. Scientific Reports. 1-11.
  • Show author(s) (2019). Trends of Ocean Acidification and pCO2 in the Northern North Sea, 2003-2015. Journal of Geophysical Research (JGR): Biogeosciences.
  • Show author(s) (2019). Global carbon budget 2019. Earth System Science Data. 1783-1838.
  • Show author(s) (2018). Seasonal variations of hydrographic parameters off the Sudanese coast of the Red Sea, 2009-2015. Regional Studies in Marine Science. 1-10.
  • Show author(s) (2018). Inorganic Carbon and Water Masses in the Irminger Sea since 1991. Biogeosciences. 51-72.
  • Show author(s) (2018). Arctic Ocean CO2 uptake: An improved multiyear estimate of the air-sea CO2 flux incorporating chlorophyll a concentrations. Biogeosciences. 1643-1661.
  • Show author(s) (2017). Using Bayes theorem to quantify and reduce uncertainties when monitoring varying marine environments for indications of a leak. Energy Procedia. 3607-3612.
  • Show author(s) (2017). Air-sea gas transfer in high Arctic fjords. Geophysical Research Letters. 2519-2526.
  • Show author(s) (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.
  • Show author(s) (2016). Global Carbon Budget 2016. Earth System Science Data. 605-649.
  • Show author(s) (2016). Aragonite saturation states and pH in western Norwegian fjords: Seasonal cycles and controlling factors, 2005-2009. Ocean Science. 937-951.
  • Show author(s) (2015). The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. Limnology and Oceanography : Methods. 402-410.
  • Show author(s) (2015). Links between surface productivity and deep ocean particle flux at the Porcupine Abyssal Plain sustained observatory. Biogeosciences. 5885-5897.
  • Show author(s) (2014). Radium isotopes as a tracer of sediment-water column exchange in the North Sea. Global Biogeochemical Cycles. 786-804.
  • Show author(s) (2014). Global carbon budget 2013. Earth System Science Data. 235-263.
  • Show author(s) (2013). Surface Ocean CO2 Atlas (SOCAT) gridded data products. Earth System Science Data.
  • Show author(s) (2013). PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. Energy Procedia. 3031-3038.
  • Show author(s) (2013). Global carbon budget 2013. Earth System Science Data. 689-760.
  • Show author(s) (2013). Annual and seasonal fCO(2) and air-sea CO2 fluxes in the Barents Sea. Journal of Marine Systems. 62-74.
  • Show author(s) (2013). A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data. 125-143.
  • Show author(s) (2012). The role of phytoplankton dynamics in the seasonal and interannual variability of carbon in the subpolar North Atlantic - a modeling study. Geoscientific Model Development. 683-707.
  • Show author(s) (2012). Spatiotemporal variability of air-sea CO2 fluxes in the Barents Sea, as determined from empirical relationships and modeled hydrography. Journal of Marine Systems. 40-50.
  • Show author(s) (2011). The Nordic Seas carbon budget: Sources, sinks, and uncertainties. Global Biogeochemical Cycles. 16 pages.
  • Show author(s) (2010). Spatiotemporal variations of fCO2 in the North Sea. Ocean Science. 77-89.
  • Show author(s) (2010). Nordic seas transit time distributions and anthropogenic CO2. Journal of Geophysical Research (JGR): Oceans. 14 pages.
  • Show author(s) (2010). Arctic Ocean data in CARINA. Earth System Science Data. 71-78.
  • Show author(s) (2009). Spatiotemporal variations of fCO2 in the North Sea. Ocean Science Discussions (OSD). 1-32.
  • Show author(s) (2009). Overview of the Nordic Seas CARINA data and salinity measurements. Earth System Science Data.
  • Show author(s) (2009). Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network. Biogeosciences. 1405-1421.
  • Show author(s) (2007). Seasonal and interannual variability of the air-seaCO(2) flux in the Atlantic sector of the Barents Sea. Marine Chemistry. 203-213.
  • Show author(s) (2006). Reconstructing the time history of the air-sea CO2 disequilibrium and its rate of change in the eastern subpolar North Atlantic, 1972-1989. Geophysical Research Letters. 4 pages.
  • Show author(s) (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. Global Biogeochemical Cycles.
  • Show author(s) (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.
  • Show author(s) (2004). Diurnal variations of surface ocean pCO(2) and sea-air CO2 flux evaluated using remotely sensed data. Geophysical Research Letters. 4 pages.
  • Show author(s) (2004). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR).
  • Show author(s) (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.
  • Show author(s) (2003). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR). 3388.
  • Show author(s) (1999). An optical detection system for the study of fine scale vertical displacement of microalgae in an artificial water column. Journal of Phycology. 425-432.
Report
  • Show author(s) (2023). Report on regulations and technological capabilities for monitoring CO2 storage sites. .
  • Show author(s) (2022). Trender i havforsuring og antropogent karbon i de nordiske hav, Nordsjøen og Skagerrak. .
  • Show author(s) (2022). Monitoring ocean acidification in Norwegian seas in 2021 - selected results. .
  • Show author(s) (2021). Report on regulations and technological capabilities for monitoring CO2 storage sites. ACTOM project report. Version 1.0. .
  • Show author(s) (2021). Monitoring ocean acidification in Norwegian seas in 2020 / Havforsuringsovervåking i norske farvann i 2020. .
  • Show author(s) (2021). Monitoring ocean acidification in Norwegian seas in 2020. .
  • Show author(s) (2019). Underpinning data for monitoring activities (including current statistics and carbon tracer quantifications). .
  • Show author(s) (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. . .
  • Show author(s) (2019). Training workshop with focus on preparing oceanographic data for sharing, Deliverable 5.3 from the EU project 730995 SEACRIFOG. .
  • Show author(s) (2019). Determination of seepage CO2 dissolved in seawater using the Cseep method. .
  • Show author(s) (2018). Marine monitoring of carbon capture and storage: Methods, strategy, and potential impacts of excess inorganic carbon in the water column . .
  • Show author(s) (2018). Identification of Key Variables for Climate Change Observation across Africa. SEACRIFOG Deliverable 4.1: Ideal and Mandatory Sets of Variables and Criteria. .
  • Show author(s) (2018). BASIC:-Boundary Layers in the Arctic Atmosphere, Seas and Ice Dynamics - SKD Strategic Project January 2015 – December 2017. 388. 388. .
  • Show author(s) (2016). Overvåking av havforsuring i norske farvann i 2015. .
  • Show author(s) (2016). Havforsuring i vestlandsfjorder og CO2-variabilitet i Lofoten. .
  • Show author(s) (2015). Kunnskapsstatus for havforsuring i fjorder langs Vestlandskysten. .
  • Show author(s) (2015). Havforsuring og sjømatnæringen på Vestlandet: Kunnskapsstatus og handlingsrom Rapport fra et forprosjekt. .
  • Show author(s) (2014). Unintended releases of Carbon Dioxide (CO2) from offshore pipelines: thermodynamic processes and the fundamental hydrodynamical equations. .
  • Show author(s) (2014). Havforsuring og opptak av antropogent karbon i de Nordiske hav, 1981-2013, M244-2014. .
  • Show author(s) (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. .
  • Show author(s) (2013). Rapport fra arbeidet med å oppdatere havforsuringsdelen av Forvaltningsplanen for Norskehavet. .
  • Show author(s) (2009). Internrapport: Rapport nr R32 Theoretical discription and empirical evaluation of a water degasser developed by Akvator AS. .
Lecture
  • Show author(s) (2018). ICOS data used for Ocean acidification research.
  • Show author(s) (2015). Monitoring of varying marine environment: detection method and survey strategies.
  • Show author(s) (2015). Marine environmental monitoring.
  • Show author(s) (2014). Marine Monitoring -Carbon-based tracers early detection of CO2 leakage.
Academic lecture
  • Show author(s) (2022). ACT on Marine Monitoring, project presentation.
  • Show author(s) (2021). The northern European shelf as increasing net sink for CO2 .
  • Show author(s) (2021). Detection and quantification of CO2 seepage in seawater using the stoichiometric Cseep method.
  • Show author(s) (2021). CO2 i sjøvann: Miljøstatistikk og utfordringer knyttet til å oppdage lekkasje.
  • Show author(s) (2020). Monitoring offshore CO2 storage projects, aligning capabilities with regulations and public expectations. .
  • Show author(s) (2020). Act on Offshore Monitoring (ACTOM). Monitoring offshore CCS. CCS regulatory framework.
  • Show author(s) (2020). The Cseep method as a monitoring tool to detect and quantify CO2 seepage. .
  • Show author(s) (2019). Utility of the Cseep method in the vicinity of Goldeneye. .
  • Show author(s) (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. .
  • Show author(s) (2018). The need for proper environmental statistics to design adequate monitoring for offshore geological storage of CO2 projects.
  • Show author(s) (2018). Ensuring efficient and robust offshore storage – the role of marine system modelling.
  • Show author(s) (2017). Surface ocean pCO2 measurements within ICOS Norway and the example of M/V Nuka Arctica.
  • Show author(s) (2014). The inorganic carbon cycle in the Red Sea studied using historical cruise data and five years long coastal time series.
  • Show author(s) (2013). Ocean acidification and trends in the Norwegian Sea.
  • Show author(s) (2012). WP 5: Detection of potential leakage of injected CO2 and its potential effect on the environment.
  • Show author(s) (2012). The role of the Barents Sea in the climate system.
  • Show author(s) (2012). Status WP5: The Marine Component.
  • Show author(s) (2012). North Atlantic and Arctic Ocean carbon biogeochemical responses and feedbacks to climate change.
  • Show author(s) (2012). Multi-sensor platform for monitoring CO2 seepage in marine sediment /benthic boundary layer and overlying water column.
  • Show author(s) (2012). Benthic S18O signature of dense brine from sea ice formation in the North Atlantic.
  • Show author(s) (2012). A carbon budget for the Nordic Seas.
  • Show author(s) (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008.
  • Show author(s) (2011). Spatiotemporal variations of fCO2 in the North Sea.
  • Show author(s) (2010). The Nordic Seas Carbon Budget: Sources, Sinks And Uncertainties.
  • Show author(s) (2010). Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans.
  • Show author(s) (2010). Nordic Seas anthropogenic CO2, evaluation of methods and distribution.
  • Show author(s) (2010). Konsekvenser av CO2 lekkasje.
  • Show author(s) (2010). Carbon uptake and acidification in high latitude NA:the decisive role of air-sea CO2 disequilibrium.
  • Show author(s) (2010). CO2 storage sites in the North Sea Overview: WP Water Column.
  • Show author(s) (2010). Anthropogenic carbon and ocean acidification in the Nordic Seas.
  • Show author(s) (2009). What parameters should be measured in the water column during a baseline study?
  • Show author(s) (2009). Marine carbon measurement techniques.
  • Show author(s) (2009). Havforsuring - utvikling og prognoser for norske farvann.
  • Show author(s) (2008). fCO2 variability in the North Sea.
  • Show author(s) (2008). Spetio-temporal fCO2 variability in the North Sea.
  • Show author(s) (2007). Surface Ocean CO2 Variability and Vulnerabilities: The Arctic Ocean and Nordic Seas.
  • Show author(s) (2006). The anthropogenic CO2 increase and 13C Suess effect in the northern North Atlantic.
  • Show author(s) (2006). Carbon changes in the high latitude North Atlantic.
  • Show author(s) (2006). Air-sea CO2 flux variability in the North Sea: 19 months of observations from voluntry observing ships.
  • Show author(s) (2005). pCO2 measurements from voluntary observing ships (VOS): the scientific aspect.
  • Show author(s) (2005). Sea Ice brinbe formation in Storfjorden: implications for the Arctic winter time air-sea CO2 flux.
  • Show author(s) (2005). Ocean carbon cycle and biogeochemistry.
  • Show author(s) (2005). Ny kunnskap om havets respons til utslipp av menneskeskapt (antropogent) karbon.
  • Show author(s) (2005). Establishing a northen North Atlantic CO2 observing network.
  • Show author(s) (2003). Brine formation as a pathway for carbon to the deep ocean.
  • Show author(s) (2002). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic Seas, Ocean Sciences Meeting.
  • Show author(s) (2002). Instumentation for in Situ and Autonomous Monitoring of the Marine Carbon Dioxide System.
  • Show author(s) (2001). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic seas.
  • Show author(s) (2001). The Greenland Sea Experiment.
  • Show author(s) (2001). Ocean pathways as seen by tracers and transport of carbon in the Nordic Seas.
  • Show author(s) (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".
  • Show author(s) (2001). Can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Show author(s) (2000). fCO2 variations and fCO2 calculations in the Greenland Sea surface water.
  • Show author(s) (2000). The carbon cycle in the Nordic Seas, A synthesis done during the CARDEEP era.
  • Show author(s) (2000). The Carbon cycle in the Nordic Seas, a perspective.
  • Show author(s) (2000). Potential brine water sources in Storfjord.
Popular scientific article
  • Show author(s) (2009). Forsuring påvist i havene rundt Norge. Klima. 33-33.
  • Show author(s) (2008). The Bjerknes Centre pCO2 observing network. Solas News. 26-27.
Doctoral dissertation
  • Show author(s) (2003). Carbon dioxide in northern high latitude oceans: anthropogenic increase and air-sea flux variability. -.
Interview
  • Show author(s) (2019). Video intervju about the H2020 SEACRIFOG project.
  • Show author(s) (2015). Tracing subsea CO2 leakag.
Academic chapter/article/Conference paper
  • Show author(s) (2014). Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4)in a changing climate. 57 pages.
  • Show author(s) (2005). Sea-Ice and Brine Formation in Storfjorden: Implications for the Arctic Wintertime Air-Sea CO2 Flux. 12 pages.
  • Show author(s) (2005). A Review of the Inorganic Carbon Cycle of the Nordic Seas and Barents Sea. 20 pages.
  • Show author(s) (2003). Deep water sequestration of CO2 through formation of brine-enriched shwlf water: an Arctic continental shelf pump.
Poster
  • Show author(s) (2023). Coastal biogeochemical time series in southwestern Norway.
  • Show author(s) (2023). Assurance offshore CO2 monitoring, a cross-disciplinary approach. .
  • Show author(s) (2021). Spatiotemporal variability of the surface water aragonite saturation state in the western Barents Sea.
  • Show author(s) (2021). Coastal CO2 dynamics in southwestern Norway.
  • Show author(s) (2018). The stoichiometric Cseep method as a tool to distinguish CO2 seepage signal from natural variability.
  • Show author(s) (2018). THE STOICHIOMETRIC ΔCSEEP METHOD AS A MONITORING TOOL FOR DETECTION OF CO2 LEAKAGE FROM SUBSEA STORAGE SITES.
  • Show author(s) (2017). Surface ocean pCO2 maps along the Norwegian coast-A regional optimization of global pCO2 maps.
  • Show author(s) (2017). Ocean Thematic Centre (OTC) one of the central facilities of the ICOS RI.
  • Show author(s) (2017). Impact of North Atlantic freshening on sea surface fCO2.
  • Show author(s) (2017). Geochemical monitoring for detection of CO2 leakage from subsea storage sites.
  • Show author(s) (2017). Bayes’ theorem as the fundament to design monitoring programs.
  • Show author(s) (2016). Using Bayes Theorem to Quantify and Reduce Uncertainties when Monitoring Varying Marine Environments for Indications of a Leak.
  • Show author(s) (2016). Bayes’ theorem as the fundament to design monitoring programs.
  • Show author(s) (2014). The impact of submarine CO2 vents fields on seawater: implications for monitoring subsea carbon sequestration leakage.
  • Show author(s) (2014). Annual and interannual variations of carbon cycling parameters in Arctic and temperate Norwegian fjords.
  • Show author(s) (2012). PVTx properties of a two-phase Co2 jet from ruptured pipeline.
  • Show author(s) (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008.
  • Show author(s) (2010). Air-sea flux in the North Atlantic and the North Pacific estimated by neural network.
  • Show author(s) (2009). Transports, budget and variability of inorganic carbon in the Nordic Seas.
  • Show author(s) (2009). Nordic Seas transit-time distributions and anthopogenic CO2.
  • Show author(s) (2009). Nordic Seas Anthropogenic CO2.
  • Show author(s) (2008). Effects of changes in mixing and temperature on carbon dioxide fugacity in the Northern North Atlantic and Norwegian Sea.
  • Show author(s) (2008). Assessment of the temporal and spatial changes of surface ocean fCO2 in the Nordic Seas, Barents Sea, and northern North Atlantic.
  • Show author(s) (2007). Variations of the air-sea CO2 flux in the North Sea: a new statistical method to assess the reliability of the estimates.
  • Show author(s) (2007). CO2 variability in the Barents Sea: synthesis of available data and ongoing measurements.
  • Show author(s) (2007). Air-sea ice CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea.
  • Show author(s) (2007). Air-sea CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea.
  • Show author(s) (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades.
  • Show author(s) (2004). Sea ice and brine formation in Storfjorden: Implications for the Arctic winter time air-sea CO2 flux.
  • Show author(s) (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data.
  • Show author(s) (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data.
  • Show author(s) (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry.
  • Show author(s) (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Show author(s) (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Show author(s) (2000). Potential Brine Water Sources in Storfjorden.
  • Show author(s) (2000). Chemical characterisation of waters in Storfjorden.
Book Translation
  • Show author(s) (2007). What we know, what we do not know, and how we try to better understand global change.
Academic literature review
  • Show author(s) (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. Frontiers in Marine Science. 1-15.
  • Show author(s) (2019). A surface ocean CO2 reference network, SOCONET and associated marine boundary layer CO2 measurements. Frontiers in Marine Science. 1-21.
  • Show author(s) (2016). A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data. 383-413.
  • Show author(s) (2013). The role of the Barents Sea in the arctic climate system. Reviews of Geophysics. 415-449.
Article in business/trade/industry journal
  • Show author(s) (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. . Social Science Research Network (SSRN).
  • Show author(s) (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. Social Science Research Network (SSRN).
Interview Journal
  • Show author(s) (2013). Focus on the Seabed; monitoring of water column and sediments. SUCCESS Annual Report 2013. 14-17.

More information in national current research information system (CRIStin)