Hjem
Click
Guttorm Alendals bilde

Guttorm Alendal

Professor
  • E-postGuttorm.Alendal@uib.no
  • Telefon+47 55 58 40 44+47 993 95 056
  • Besøksadresse
    Realfagbygget, Allégt. 41
    Rom: 
    4A9b
  • Postadresse
    Postboks 7803
    5020 Bergen
Tidsskriftartikler
  • Alendal, Guttorm. 2017. Cost efficient environmental survey paths for detecting continuous tracer discharges. Journal of Geophysical Research - Oceans. doi: 10.1002/2016JC012655
  • Alendal, Guttorm; Blackford, Jeremy; Chen, Baixin; Avlesen, Helge; Omar, Abdirahman. 2017. Using Bayes Theorem to Quantify and Reduce Uncertainties when Monitoring Varying Marine Environments for Indications of a Leak. Energy Procedia. 114: 3607-3612. doi: 10.1016/j.egypro.2017.03.1492
  • Ali, Alfatih Omer Mohammed Ahmed; Frøysa, Håvard G; Avlesen, Helge; Alendal, Guttorm. 2016. Simulating spatial and temporal varying CO2 signals fromsources at the seafloor to help designing risk-basedmonitoring programs. Journal of Geophysical Research - Oceans. 121: 745-757. doi: 10.1002/2015JC011198
  • Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Ali, Alfatih Omer Mohammed Ahmed. 2016. Survey strategies to quantify and optimize detecting probability of a CO<sub>2</sub> seep in a varying marine environment. Environmental Modelling & Software. 83: 303-309. doi: 10.1016/j.envsoft.2016.06.006
  • Botnen, Helle Augdal; Omar, Abdirahman; Thorseth, Ingunn Hindenes; Johannessen, Truls; Alendal, Guttorm. 2015. The effect of submarine CO2 vents on seawater: Implications for detection of subsea carbon sequestration leakage. Limnology and Oceanography : Methods. 60: 402-410. Publisert 2015-02-10. doi: 10.1002/lno.10037
  • Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Ali, Alfatih Omer Mohammed Ahmed; Mannseth, Trond; Avlesen, Helge. 2015. Layout of CCS monitoring infrastructure with highest probability of detecting a footprint of a CO2 leak in a varying marine environment. International Journal of Greenhouse Gas Control. 37: 274-279. doi: 10.1016/j.ijggc.2015.03.013
  • Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls. 2013. PVTx Properties of a Two-phase CO2 Jet from Ruptured Pipeline. Energy Procedia. 37: 3031-3038. doi: 10.1016/j.egypro.2013.06.189
  • Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Mannseth, Trond. 2013. Assessing Model Uncertainties Through Proper Experimental Design. Energy Procedia. 37: 3439-3446. doi: 10.1016/j.egypro.2013.06.233
  • Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Mannseth, Trond. 2012. Assessing model parameter uncertainties for rising velocity of CO2 droplets through experimental design. International Journal of Greenhouse Gas Control. 11: 283-289. doi: 10.1016/j.ijggc.2012.09.008
  • Rygg, Kristin; Alendal, Guttorm; Haugan, Peter M. 2011. Flow over a rounded backward-facing step, using a z-coordinate model and a sigma-coordinate model. Ocean Dynamics. 61: 1681-1696. doi: 10.1007/s10236-011-0434-3
  • Bigalke, Nikolaus K.; Enstad, Lars Inge; Rehder, Gregor; Alendal, Guttorm. 2010. Terminal velocities of pure and hydrate coated CO2 droplets and CH4 bubbles rising in a simulated oceanic environment. Deep Sea Research Part I: Oceanographic Research Papers. 57: 1102-1110. doi: 10.1016/j.dsr.2010.05.008
  • Rygg, Kristin; Enstad, Lars Inge; Alendal, Guttorm. 2009. Simulating CO2 transport into the ocean from a CO2 lake at the seafloor using a z- and a sigma-coordinate model. Ocean Dynamics. 59: 795-808. doi: 10.1007/s10236-009-0211-8
  • Enstad, Lars Inge; Rygg, Kristin; Haugan, Peter M.; Alendal, Guttorm. 2008. Dissolution of a CO2 lake, modeled by using an advanced vertical turbulence mixing scheme. International Journal of Greenhouse Gas Control. 2: 511-519. doi: 10.1016/j.ijggc.2008.04.001
  • Enstad, Lars Inge; Haugan, Peter M.; Alendal, Guttorm. 2007. Dissolution from a CO2 lake. Geochimica et Cosmochimica Acta. 71: A257-A257.
  • Alendal, Guttorm; Haugan, Peter M.; Gangstø, Reidun; Caldeira, Ken; Adams, Eric; Brewer, Peter; Peltzer, Edward; Rehder, Gregor; Sato, Toru; Chen, Baixin. 2006. Comment on "Fate of rising CO2 droplets in seawater". Environmental Science and Technology. 40: 3653-3654. doi: 10.1021/es052458c
  • Berntsen, Jarle; Xing, Jiuxing; Alendal, Guttorm. 2006. Assessment of non-hydrostatic ocean models using laboratory scale problems. Continental Shelf Research. 26: 1433-1447. doi: 10.1016/j.csr.2006.02.014
  • Enstad, Lars Inge; Nagaosa, Ryuichi; Alendal, Guttorm. 2006. Low shear turbulence structures beneath stress-driven interface with neutral and stable stratification. Physics of fluids. 18. 22 sider. doi: 10.1063/1.2204981
  • Thiem, Øyvind; Berntsen, Jarle; Eldevik, Tor; Alendal, Guttorm. 2006. Gas exploration beyond the shelf break: An oceanographic challenge. Environmental Modelling & Software. 21: 136-141.
  • Alendal, Guttorm; Berntsen, Jarle; Engum, Elisabeth; Furnes, Gunnar; Kleiven, Gudmund; Eide, Lars Ingolf. 2005. Influence from 'Ocean Weather' on near seabed currents and events at Ormen Lange. Marine and Petroleum Geology. 22: 21-31. doi: 10.1016/j.marpetgeo.2004.10.01
  • Gangstø, Reidun; Haugan, Peter M.; Alendal, Guttorm. 2005. Parameterization of drag and dissolution of rising CO2 drops in seawater. Geophysical Research Letters. 32. 4 sider. doi: 10.1029/2005GL022637
  • Haugan, Peter M.; Alendal, Guttorm. 2005. Turbulent diffusion and transport from a CO2 lake in the deep ocean. Journal of Geophysical Research. 110. doi: 10.1029/2004JC002583
  • Alendal, Guttorm; Drange, Helge. 2001. Two-phase, near-field modeling of purposefully released CO2 in the ocean. Journal of Geophysical Research - Oceans. 106: 1085-1096.
  • Alendal, Guttorm; Drange, Helge. 2001. Two-phase, near-field modeling of purposefully released CO2 in the ocean. Journal of Geophysical Research. 106: 1085-1096.
  • Drange, Helge; Alendal, Guttorm; Johannessen, Ola M. 2001. Ocean release of fossil fuel CO2: A case study. Geophysical Research Letters. 29: 2637-2640.
  • Alendal, Guttorm. 1997. LES study of CO2 enriched gravity currents. Energy Conversion and Management. S38: 331-336.
  • Thorkildsen, Finn; Alendal, Guttorm. 1997. LES study of flow around a CO2-Droplet Plume in the Ocean. Energy Conversion and Management. 38: 361-366.
  • Alendal, Guttorm. 1995. Solutions near the hydraulic control point in a gravity current model. Physics of fluids. 7: 2972-2977.
  • Øien, Alf Hartvig; Alendal, Guttorm. 1993. A model of Solar Coronal Heating by Classical Inverse Bremsstrahlung and Generation of the Solar Wind. The Astrophysical Journal. 412: 827-840.
Rapporter/avhandlinger
  • Alendal, Guttorm. 2014. WP3 summary – Fate of CO2 entering the water column. UiB. 2 sider.
  • Alendal, Guttorm. 2014. Short note on monitoring a CO2 pipeline; Lessons learned from monitoring the marine environment for seeps. UiB. 3 sider.
  • Alendal, Guttorm; Dewar, Marius; Ali, Alfatih Mohammed A; Yakushev, Evgeniy; Avlesen, Helge; Chen, Baixin. 2014. Technical report on environmental conditions and possible leak scenarios in the North Sea. UiB. 56 sider.
  • Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls. 2014. Unintended releases of Carbon Dioxide (CO2) from offshore pipelines: thermodynamic processes and the fundamental hydrodynamical equations. UiB. 48 sider.
  • Alendal, Guttorm; Omar, Abdirahman; Denny, AR; Baumberger, Tamara; Beaubien, Stanley; Vielstadte, Lisa; Dewar, Marius; Chen, Baixin; Pedersen, Rolf B.; DeVittor, C; Johannessen, Truls. 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. UiB. 51 sider.
  • Dewar, Marius; Chen, Baixin; Yakushev, Evgeny; Avlesen, Helge; Alendal, Guttorm; Ali, Alfatih Mohammed A; Vielstadte, Lisa. 2013. Technical report on verified and validated application of droplet/bubble plume-, geochemical- and general flow- models. UiB. 81 sider.
  • Rygg, Kristin; Alendal, Guttorm; Haugan, Peter M. 2010. A study of flow over a backward-facing step and flow over a depression, using the 2D version of Bergen Ocean Model. BCCS Technical Report Series, Uni Research. 16 sider.
  • Berntsen, Jarle; Alendal, Guttorm; Furnes, Gunnar. 2004. An overview of some research activities in numerical ocean modelling in 2003 with relevance for shelf slope and shelf activities. MANGLER. 23 sider.
  • Berntsen, Jarle; Alendal, Guttorm; Furnes, Gunnar. 2004. An overview of some research activities in numerical ocean modelling in 2003 with relevance for shelf slope and shelf activities. rapport. 7. UiB, Bergen. 23 sider.
  • Alendal, Guttorm; Berntsen, Jarle; Furnes, Gunnar. 2002. Present understanding of currents and events at Ormen Lange. Technical report. 129. The Nansen Environmental and Remote Sensing Center., Bergen.
  • Alendal, Guttorm; Berntsen, Jarle; Furnes, Gunnar. 2002. Present understanding of currents and events at Ormen Lange. The Nansen Environmental and Remote Sensing Center. 10 sider.
  • Thiem, Ø.; Alendal, Guttorm; Berntsen, Jarle; Furnes, Gunnar. 2002. Numerical experiment with idealized lows travelling north and south of Ormen Lange. Technical Report. 232. The Nansen Environmental and Remote Sensing Center, Bergen.
  • Thiem, Øivind; Alendal, Guttorm; Berntsen, Jarle. 2002. Numerical simulations of fluctuations of the thermocline forced with synoptic data for wind and pressure. The Nansen Environmental and Remote Sensing Center. 16 sider.
  • Thiem, Øivind; Alendal, Guttorm; Berntsen, Jarle. 2002. Effects of bottom topography on currents at Ormen Lange. The Nansen Environmental and Remote Sensing Center. 35 sider.
  • Thiem, Øivind; Alendal, Guttorm; Berntsen, Jarle; Furnes, Gunnar. 2002. Numerical experiment with idealised lows travelling north and south of Ormen Lange. The Nansen Environmental and Remote Sensing Center. 17 sider.
  • Berntsen, Jarle; Furnes, Gunnar; Alendal, Guttorm. 2001. On the feasibility of predicting current and wave conditions at deep water off the shelf break. Some event studies with application to Ormen Lange and recommendation for further research activities. Technical report. 203. Nansen senter for miljø- og fjernmåling.
  • Sørflaten, Agathe; Berntsen, Jarle; Alendal, Guttorm. 2001. Response of atmospheric low pressures on oceanic currents. The Nansen Environmental and Remote Sensing Center., The Nansen Environmental and Remote Sensing Center.. 32 sider.
  • Drange, Helge; Alendal, Guttorm; Thorkildsen, Finn; Johannessen, Ola M; Vinkler, Dick; Ulvesæter, Atle; Johansen, Torild; Giske, Jarl. 1998. Geophysical/Economical Feasibility Study of Ocean Disposal of CO2 at Haltenbanken. NERSC Technical Report. 138. The Nansen Environmental and Remote Sensing Center. 180 sider.
  • Drange, Helge; Alendal, Guttorm; Thorkildsen, F.; Johannessen, Ola M. 1997. Geophysical/Economical Feasibility Study of Ocean Disposal of CO2 at Haltenbanken. Technical report. 138. Nansen Environmental and Remote Sensing Center.
  • Drange, Helge; Alendal, Guttorm; Thorkildsen, F.; Johannessen, Ola M. 1997. Ocean Disposal of CO2 in Norwegian Waters: Consequences of Reduced pH-Value on Marine Organisms. Technical report. 119. Nansen Environmental and Remote Sensing Center.
  • Alendal, Guttorm. 1996. Implementing and testing of different gravity current models with application to oceanic and man-made currents. 144 sider.
  • Alendal, Guttorm. 1992. Modellering av "Inverse Brems-strahlung". Oppvarming av solens korona med genering av solvinden.
Bokkapitler
  • Enstad, Lars Inge; Nagaosa, Ryuichi; Alendal, Guttorm. 2004. The effect of heat release from a gas-liquid interface on turbulence structure in fully developed shallow water flows. Kapitel 56, sider 457-462. I:
    • Jirka, G.H.; Uijttewal, W.S.J. 2004. Shallow Flows. Balkema. 669 sider.

Se fullstendig oversikt over publikasjoner i CRIStin.