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Abdirahman Omars bilde

Abdirahman Omar

Forsker II
  • E-postAbdir.Omar@uib.no
  • Besøksadresse
    Allegt. 55
  • Postadresse
    Postboks 7800
    5007 BERGEN
Vitenskapelig artikkel
  • Vis forfatter(e) (2022). Acidification of the Nordic Seas. Biogeosciences.
  • Vis forfatter(e) (2021). The northern European shelf as an increasing net sink for CO2. Biogeosciences.
  • Vis forfatter(e) (2021). Suitability analysis and revised strategies for marine environmental carbon capture and storage (CCS) monitoring. International Journal of Greenhouse Gas Control.
  • Vis forfatter(e) (2021). Sea surface pCO2 variability and air-sea CO2 exchange in the coastal Sudanese Red Sea. Regional Studies in Marine Science. 11 sider.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2020). Optimal sensors placement for detecting CO2 discharges from unknown locations on the seafloor. International Journal of Greenhouse Gas Control.
  • Vis forfatter(e) (2019). Wintertime fCO2 variability in the subpolar North Atlantic since 2004 . Geophysical Research Letters. 1580-1590.
  • Vis forfatter(e) (2019). Winter weather controls net influx of atmospheric CO2 on the north-west European shelf. Scientific Reports. 1-11.
  • Vis forfatter(e) (2019). Trends of Ocean Acidification and pCO2 in the Northern North Sea, 2003-2015. Journal of Geophysical Research (JGR): Biogeosciences.
  • Vis forfatter(e) (2019). Global carbon budget 2019. Earth System Science Data. 1783-1838.
  • Vis forfatter(e) (2018). Seasonal variations of hydrographic parameters off the Sudanese coast of the Red Sea, 2009-2015. Regional Studies in Marine Science. 1-10.
  • Vis forfatter(e) (2018). Inorganic Carbon and Water Masses in the Irminger Sea since 1991. Biogeosciences. 51-72.
  • Vis forfatter(e) (2018). Arctic Ocean CO2 uptake: An improved multiyear estimate of the air-sea CO2 flux incorporating chlorophyll a concentrations. Biogeosciences. 1643-1661.
  • Vis forfatter(e) (2017). Using Bayes theorem to quantify and reduce uncertainties when monitoring varying marine environments for indications of a leak. Energy Procedia. 3607-3612.
  • Vis forfatter(e) (2017). Air-sea gas transfer in high Arctic fjords. Geophysical Research Letters. 2519-2526.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2016). Global Carbon Budget 2016. Earth System Science Data. 605-649.
  • Vis forfatter(e) (2016). Aragonite saturation states and pH in western Norwegian fjords: Seasonal cycles and controlling factors, 2005-2009. Ocean Science. 937-951.
  • Vis forfatter(e) (2015). The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. Limnology and Oceanography : Methods. 402-410.
  • Vis forfatter(e) (2015). Links between surface productivity and deep ocean particle flux at the Porcupine Abyssal Plain sustained observatory. Biogeosciences. 5885-5897.
  • Vis forfatter(e) (2014). Radium isotopes as a tracer of sediment-water column exchange in the North Sea. Global Biogeochemical Cycles. 786-804.
  • Vis forfatter(e) (2014). Global carbon budget 2013. Earth System Science Data. 235-263.
  • Vis forfatter(e) (2013). Surface Ocean CO2 Atlas (SOCAT) gridded data products. Earth System Science Data.
  • Vis forfatter(e) (2013). PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. Energy Procedia. 3031-3038.
  • Vis forfatter(e) (2013). Global carbon budget 2013. Earth System Science Data. 689-760.
  • Vis forfatter(e) (2013). Annual and seasonal fCO(2) and air-sea CO2 fluxes in the Barents Sea. Journal of Marine Systems. 62-74.
  • Vis forfatter(e) (2013). A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data. 125-143.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2011). The Nordic Seas carbon budget: Sources, sinks, and uncertainties. Global Biogeochemical Cycles. 16 sider.
  • Vis forfatter(e) (2010). Spatiotemporal variations of fCO2 in the North Sea. Ocean Science. 77-89.
  • Vis forfatter(e) (2010). Nordic seas transit time distributions and anthropogenic CO2. Journal of Geophysical Research (JGR): Oceans. 14 sider.
  • Vis forfatter(e) (2010). Arctic Ocean data in CARINA. Earth System Science Data. 71-78.
  • Vis forfatter(e) (2009). Spatiotemporal variations of fCO2 in the North Sea. Ocean Science Discussions (OSD). 1-32.
  • Vis forfatter(e) (2009). Overview of the Nordic Seas CARINA data and salinity measurements. Earth System Science Data.
  • Vis forfatter(e) (2009). Estimating the monthly pCO2 distribution in the North Atlantic using a self-organizing neural network. Biogeosciences. 1405-1421.
  • Vis forfatter(e) (2007). Seasonal and interannual variability of the air-seaCO(2) flux in the Atlantic sector of the Barents Sea. Marine Chemistry. 203-213.
  • Vis forfatter(e) (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 sider.
  • Vis forfatter(e) (2006). Magnitude and origin of the anthroopogenic CO2 increase and 13C Suess effect in the Nordic seas since 1981. Global Biogeochemical Cycles.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2004). Diurnal variations of surface ocean pCO(2) and sea-air CO2 flux evaluated using remotely sensed data. Geophysical Research Letters. 4 sider.
  • Vis forfatter(e) (2004). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR).
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2003). Anthropogenic increase of oceanic pCO2 in the Barents Sea surface water. Journal of Geophysical Research (JGR). 3388.
  • Vis forfatter(e) (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.
Rapport
  • Vis forfatter(e) (2022). Trender i havforsuring og antropogent karbon i de nordiske hav, Nordsjøen og Skagerrak. .
  • Vis forfatter(e) (2021). Report on regulations and technological capabilities for monitoring CO2 storage sites. ACTOM project report. Version 1.0. .
  • Vis forfatter(e) (2021). Monitoring ocean acidification in Norwegian seas in 2020 / Havforsuringsovervåking i norske farvann i 2020. .
  • Vis forfatter(e) (2019). Underpinning data for monitoring activities (including current statistics and carbon tracer quantifications). .
  • Vis forfatter(e) (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. . .
  • Vis forfatter(e) (2019). Training workshop with focus on preparing oceanographic data for sharing, Deliverable 5.3 from the EU project 730995 SEACRIFOG. .
  • Vis forfatter(e) (2019). Determination of seepage CO2 dissolved in seawater using the Cseep method. .
  • Vis forfatter(e) (2018). Marine monitoring of carbon capture and storage: Methods, strategy, and potential impacts of excess inorganic carbon in the water column . .
  • Vis forfatter(e) (2018). Identification of Key Variables for Climate Change Observation across Africa. SEACRIFOG Deliverable 4.1: Ideal and Mandatory Sets of Variables and Criteria. .
  • Vis forfatter(e) (2018). BASIC:-Boundary Layers in the Arctic Atmosphere, Seas and Ice Dynamics - SKD Strategic Project January 2015 – December 2017. 388. 388. .
  • Vis forfatter(e) (2016). Overvåking av havforsuring i norske farvann i 2015. .
  • Vis forfatter(e) (2016). Havforsuring i vestlandsfjorder og CO2-variabilitet i Lofoten. .
  • Vis forfatter(e) (2015). Kunnskapsstatus for havforsuring i fjorder langs Vestlandskysten. .
  • Vis forfatter(e) (2015). Havforsuring og sjømatnæringen på Vestlandet: Kunnskapsstatus og handlingsrom Rapport fra et forprosjekt. .
  • Vis forfatter(e) (2014). Unintended releases of Carbon Dioxide (CO2) from offshore pipelines: thermodynamic processes and the fundamental hydrodynamical equations. .
  • Vis forfatter(e) (2014). Havforsuring og opptak av antropogent karbon i de Nordiske hav, 1981-2013, M244-2014. .
  • Vis forfatter(e) (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. .
  • Vis forfatter(e) (2013). Rapport fra arbeidet med å oppdatere havforsuringsdelen av Forvaltningsplanen for Norskehavet. .
  • Vis forfatter(e) (2009). Internrapport: Rapport nr R32 Theoretical discription and empirical evaluation of a water degasser developed by Akvator AS. .
Faglig foredrag
  • Vis forfatter(e) (2018). ICOS data used for Ocean acidification research.
  • Vis forfatter(e) (2015). Monitoring of varying marine environment: detection method and survey strategies.
  • Vis forfatter(e) (2015). Marine environmental monitoring.
  • Vis forfatter(e) (2014). Marine Monitoring -Carbon-based tracers early detection of CO2 leakage.
Vitenskapelig foredrag
  • Vis forfatter(e) (2021). The northern European shelf as increasing net sink for CO2 .
  • Vis forfatter(e) (2021). Detection and quantification of CO2 seepage in seawater using the stoichiometric Cseep method.
  • Vis forfatter(e) (2021). CO2 i sjøvann: Miljøstatistikk og utfordringer knyttet til å oppdage lekkasje.
  • Vis forfatter(e) (2020). Monitoring offshore CO2 storage projects, aligning capabilities with regulations and public expectations. .
  • Vis forfatter(e) (2020). Act on Offshore Monitoring (ACTOM). Monitoring offshore CCS. CCS regulatory framework.
  • Vis forfatter(e) (2020). The Cseep method as a monitoring tool to detect and quantify CO2 seepage. .
  • Vis forfatter(e) (2019). Utility of the Cseep method in the vicinity of Goldeneye. .
  • Vis forfatter(e) (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. .
  • Vis forfatter(e) (2018). The need for proper environmental statistics to design adequate monitoring for offshore geological storage of CO2 projects.
  • Vis forfatter(e) (2018). Ensuring efficient and robust offshore storage – the role of marine system modelling.
  • Vis forfatter(e) (2017). Surface ocean pCO2 measurements within ICOS Norway and the example of M/V Nuka Arctica.
  • Vis forfatter(e) (2014). The inorganic carbon cycle in the Red Sea studied using historical cruise data and five years long coastal time series.
  • Vis forfatter(e) (2013). Ocean acidification and trends in the Norwegian Sea.
  • Vis forfatter(e) (2012). WP 5: Detection of potential leakage of injected CO2 and its potential effect on the environment.
  • Vis forfatter(e) (2012). The role of the Barents Sea in the climate system.
  • Vis forfatter(e) (2012). Status WP5: The Marine Component.
  • Vis forfatter(e) (2012). North Atlantic and Arctic Ocean carbon biogeochemical responses and feedbacks to climate change.
  • Vis forfatter(e) (2012). Multi-sensor platform for monitoring CO2 seepage in marine sediment /benthic boundary layer and overlying water column.
  • Vis forfatter(e) (2012). Benthic S18O signature of dense brine from sea ice formation in the North Atlantic.
  • Vis forfatter(e) (2012). A carbon budget for the Nordic Seas.
  • Vis forfatter(e) (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008.
  • Vis forfatter(e) (2011). Spatiotemporal variations of fCO2 in the North Sea.
  • Vis forfatter(e) (2010). The Nordic Seas Carbon Budget: Sources, Sinks And Uncertainties.
  • Vis forfatter(e) (2010). Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans.
  • Vis forfatter(e) (2010). Nordic Seas anthropogenic CO2, evaluation of methods and distribution.
  • Vis forfatter(e) (2010). Konsekvenser av CO2 lekkasje.
  • Vis forfatter(e) (2010). Carbon uptake and acidification in high latitude NA:the decisive role of air-sea CO2 disequilibrium.
  • Vis forfatter(e) (2010). CO2 storage sites in the North Sea Overview: WP Water Column.
  • Vis forfatter(e) (2010). Anthropogenic carbon and ocean acidification in the Nordic Seas.
  • Vis forfatter(e) (2009). What parameters should be measured in the water column during a baseline study?
  • Vis forfatter(e) (2009). Marine carbon measurement techniques.
  • Vis forfatter(e) (2009). Havforsuring - utvikling og prognoser for norske farvann.
  • Vis forfatter(e) (2008). fCO2 variability in the North Sea.
  • Vis forfatter(e) (2008). Spetio-temporal fCO2 variability in the North Sea.
  • Vis forfatter(e) (2007). Surface Ocean CO2 Variability and Vulnerabilities: The Arctic Ocean and Nordic Seas.
  • Vis forfatter(e) (2006). The anthropogenic CO2 increase and 13C Suess effect in the northern North Atlantic.
  • Vis forfatter(e) (2006). Carbon changes in the high latitude North Atlantic.
  • Vis forfatter(e) (2006). Air-sea CO2 flux variability in the North Sea: 19 months of observations from voluntry observing ships.
  • Vis forfatter(e) (2005). pCO2 measurements from voluntary observing ships (VOS): the scientific aspect.
  • Vis forfatter(e) (2005). Sea Ice brinbe formation in Storfjorden: implications for the Arctic winter time air-sea CO2 flux.
  • Vis forfatter(e) (2005). Ocean carbon cycle and biogeochemistry.
  • Vis forfatter(e) (2005). Ny kunnskap om havets respons til utslipp av menneskeskapt (antropogent) karbon.
  • Vis forfatter(e) (2005). Establishing a northen North Atlantic CO2 observing network.
  • Vis forfatter(e) (2003). Brine formation as a pathway for carbon to the deep ocean.
  • Vis forfatter(e) (2002). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic Seas, Ocean Sciences Meeting.
  • Vis forfatter(e) (2002). Instumentation for in Situ and Autonomous Monitoring of the Marine Carbon Dioxide System.
  • Vis forfatter(e) (2001). The role of convection and seasonal to interannual variability on carbon uptake in the Nordic seas.
  • Vis forfatter(e) (2001). The Greenland Sea Experiment.
  • Vis forfatter(e) (2001). Ocean pathways as seen by tracers and transport of carbon in the Nordic Seas.
  • Vis forfatter(e) (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".
  • Vis forfatter(e) (2001). Can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Vis forfatter(e) (2000). fCO2 variations and fCO2 calculations in the Greenland Sea surface water.
  • Vis forfatter(e) (2000). The carbon cycle in the Nordic Seas, A synthesis done during the CARDEEP era.
  • Vis forfatter(e) (2000). The Carbon cycle in the Nordic Seas, a perspective.
  • Vis forfatter(e) (2000). Potential brine water sources in Storfjord.
Populærvitenskapelig artikkel
  • Vis forfatter(e) (2009). Forsuring påvist i havene rundt Norge. Klima. 33-33.
  • Vis forfatter(e) (2008). The Bjerknes Centre pCO2 observing network. Solas News. 26-27.
Doktorgradsavhandling
  • Vis forfatter(e) (2003). Carbon dioxide in northern high latitude oceans: anthropogenic increase and air-sea flux variability. -.
Intervju
  • Vis forfatter(e) (2019). Video intervju about the H2020 SEACRIFOG project.
  • Vis forfatter(e) (2015). Tracing subsea CO2 leakag.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Vis forfatter(e) (2014). Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4)in a changing climate. 57 sider.
  • Vis forfatter(e) (2005). Sea-Ice and Brine Formation in Storfjorden: Implications for the Arctic Wintertime Air-Sea CO2 Flux. 12 sider.
  • Vis forfatter(e) (2005). A Review of the Inorganic Carbon Cycle of the Nordic Seas and Barents Sea. 20 sider.
  • Vis forfatter(e) (2003). Deep water sequestration of CO2 through formation of brine-enriched shwlf water: an Arctic continental shelf pump.
Poster
  • Vis forfatter(e) (2021). Spatiotemporal variability of the surface water aragonite saturation state in the western Barents Sea.
  • Vis forfatter(e) (2021). Coastal CO2 dynamics in southwestern Norway.
  • Vis forfatter(e) (2018). The stoichiometric Cseep method as a tool to distinguish CO2 seepage signal from natural variability.
  • Vis forfatter(e) (2018). THE STOICHIOMETRIC ΔCSEEP METHOD AS A MONITORING TOOL FOR DETECTION OF CO2 LEAKAGE FROM SUBSEA STORAGE SITES.
  • Vis forfatter(e) (2017). Surface ocean pCO2 maps along the Norwegian coast-A regional optimization of global pCO2 maps.
  • Vis forfatter(e) (2017). Ocean Thematic Centre (OTC) one of the central facilities of the ICOS RI.
  • Vis forfatter(e) (2017). Impact of North Atlantic freshening on sea surface fCO2.
  • Vis forfatter(e) (2017). Geochemical monitoring for detection of CO2 leakage from subsea storage sites.
  • Vis forfatter(e) (2017). Bayes’ theorem as the fundament to design monitoring programs.
  • Vis forfatter(e) (2016). Using Bayes Theorem to Quantify and Reduce Uncertainties when Monitoring Varying Marine Environments for Indications of a Leak.
  • Vis forfatter(e) (2016). Bayes’ theorem as the fundament to design monitoring programs.
  • Vis forfatter(e) (2014). The impact of submarine CO2 vents fields on seawater: implications for monitoring subsea carbon sequestration leakage.
  • Vis forfatter(e) (2014). Annual and interannual variations of carbon cycling parameters in Arctic and temperate Norwegian fjords.
  • Vis forfatter(e) (2012). PVTx properties of a two-phase Co2 jet from ruptured pipeline.
  • Vis forfatter(e) (2011). Trends in the subpolar North Atlantic carbon sink and ocean acidification: 1981-2008.
  • Vis forfatter(e) (2010). Air-sea flux in the North Atlantic and the North Pacific estimated by neural network.
  • Vis forfatter(e) (2009). Transports, budget and variability of inorganic carbon in the Nordic Seas.
  • Vis forfatter(e) (2009). Nordic Seas transit-time distributions and anthopogenic CO2.
  • Vis forfatter(e) (2009). Nordic Seas Anthropogenic CO2.
  • Vis forfatter(e) (2008). Effects of changes in mixing and temperature on carbon dioxide fugacity in the Northern North Atlantic and Norwegian Sea.
  • Vis forfatter(e) (2008). Assessment of the temporal and spatial changes of surface ocean fCO2 in the Nordic Seas, Barents Sea, and northern North Atlantic.
  • Vis forfatter(e) (2007). Variations of the air-sea CO2 flux in the North Sea: a new statistical method to assess the reliability of the estimates.
  • Vis forfatter(e) (2007). CO2 variability in the Barents Sea: synthesis of available data and ongoing measurements.
  • Vis forfatter(e) (2007). Air-sea ice CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea.
  • Vis forfatter(e) (2007). Air-sea CO2 flux variability in marginal seas bordering Norway: Barents Sea and North Sea.
  • Vis forfatter(e) (2005). Nordic Seas Anthropogenic CO2 Increase and 13C Suess Effect Over the Last two Decades.
  • Vis forfatter(e) (2004). Sea ice and brine formation in Storfjorden: Implications for the Arctic winter time air-sea CO2 flux.
  • Vis forfatter(e) (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data.
  • Vis forfatter(e) (2004). Diurnal variations of surface ocean pCO2 and sea-air CO2 flux evaluated using remotely sensed data.
  • Vis forfatter(e) (2004). Bjerknes activity 8: Ocean carbon cycle and biogeochemistry.
  • Vis forfatter(e) (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Vis forfatter(e) (2001). can cold brine formation intensify the oceanic uptake of atmospheric CO2?
  • Vis forfatter(e) (2000). Potential Brine Water Sources in Storfjorden.
  • Vis forfatter(e) (2000). Chemical characterisation of waters in Storfjorden.
Oversatt bok
  • Vis forfatter(e) (2007). What we know, what we do not know, and how we try to better understand global change.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2019). A surface ocean CO2 reference network, SOCONET and associated marine boundary layer CO2 measurements. Frontiers in Marine Science. 1-21.
  • Vis forfatter(e) (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.
  • Vis forfatter(e) (2013). The role of the Barents Sea in the arctic climate system. Reviews of Geophysics. 415-449.
Intervju tidsskrift
  • Vis forfatter(e) (2013). Focus on the Seabed; monitoring of water column and sediments. SUCCESS Annual Report 2013. 14-17.

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