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Showing results 1-37 of 37

2020
1 Blackford, Jerry; Alendal, Guttorm; Avlesen, Helge; Brereton, Ashley; Cazenave, Pierre W; Chen, Baixin; Dewar, Marius; Holt, Jason; Phelps, Jack.
Impact and detectability of hypothetical CCS offshore seep scenarios as an aid to storage assurance and risk assessment. International Journal of Greenhouse Gas Control 2020 ;Volume 95.
NORCE UiB Untitled
 
2019
2 Berntsen, Jarle; Alendal, Guttorm; Avlesen, Helge.
The role of eddies on pathways, transports, and entrainment in dense water flows along a slope. Ocean Dynamics 2019 ;Volume 69.(7) p. 841-860
NORCE UiB Untitled
 
3 Blackford, Jerry; Alendal, Guttorm; Artioli, Yuri; Avlesen, Helge; Cazenave, Pierre; Chen, Baixin; Dale, Andy; Dewar, Marius; Gundersen, Kristian; Haeckel, Matthias; Khajepor, Sorush; Lessin, Gennadi; Oleynik, Anna; Saleem, Umar.
Ensuring efficient and robust carbon storage: marine modelling for environmental monitoring.. Shackleton Conference 2019 Year of Carbon: Marine Geoscience and Carbon: From ancient storage to future challenges.; 2019-09-23 - 2019-09-23
NORCE UiB Untitled
 
4 Goris, Nadine; Avlesen, Helge; Berntsen, Jarle.
Modelling of extreme currents along the planned bridge in Bjørnafjorden. Part II: the importance of mixing schemes. Bergen: NORCE 2019 16 p.
NORCE UiB Untitled
 
5 Isaksen, Trond Einar; Barlaup, Bjørn Torgeir; Avlesen, Helge; Skoglund, Helge; Bye-Ingebrigtsen, Einar; Vollset, Knut.
Strøm- og temperaturforhold i Evangervatnet under smoltutgangen i 2018. Bergen: NORCE Norwegian Research Centre AS Bergen 2019 69 p. LFI Uni Miljø(330)
NORCE Untitled
 
6 Omar, Abdirahman; Garcia-Ibanez, Maribel; Oleynik, Anna; Jeansson, Emil; Gundersen, Kristian; Avlesen, Helge; Esposito, Mario; Schaap, Allison; Loucaides, Socratis; Alendal, Guttorm.
Underpinning data for monitoring activities (including current statistics and carbon tracer quantifications). BERGEN: NORCE 2019 35 p.
NORCE UiB Untitled
 
2018
7 Alendal, Guttorm; Avlesen, Helge; Garcia-Ibanez, Maribel I; Gundersen, Kristian; Oleynik, Anna.
Combining Environmental Statistics and Marine Process Modelling to Design Monitoring Programs for Offshore CO2 Storage. IEAGHG Modelling and Risk Management Network Meeting; 2018-06-18 - 2018-06-22
NORCE UiB Untitled
 
8 Berntsen, Jarle; Alendal, Guttorm; Avlesen, Helge; Thiem, Øyvind Alexander.
Effects of the bottom boundary condition in numerical investigations of dense water cascading on a slope. Ocean Dynamics 2018 ;Volume 68.(4-5) p. 553-573
NORCE UiB Untitled
 
9 Blackford, Jerry; Alendal, Guttorm; Artioli, Yuri; Avlesen, Helge; Cazenave, Pierre; Chen, Baixin; Dale, Andrew W.; Dewar, Marius; Garcia-Ibanez, Maribel I; Gros, Jonas; Gundersen, Kristian; Haeckel, Mattias; Kajepor, Sorush; Lessin, Gennadi; Oleynik, Anna; Omar, Abdirahman; Saleem, Umer.
Ensuring efficient and robust offshore storage – the role of marine system modelling. GHGT14; 2018-10-21 - 2018-10-25
NORCE UiB Untitled
 
10 Goris, Nadine; Avlesen, Helge; Berntsen, Jarle.
Modelling of extreme currents along the planned bridge in Bjørnafjorden. Bergen: NORCE 2018 30 p.
NORCE UiB Untitled
 
11 Gundersen, Kristian; Oleynik, Anna; Alendal, Guttorm; Berntsen, Jarle; Avlesen, Helge; Skaug, Hans J..
Model Reduction for Tracer Transport and Applications. STEMM-CCS annual meeting; 2018-03-14 - 2018-03-16
NORCE UiB Untitled
 
12 Gundersen, Kristian; Oleynik, Anna; Alendal, Guttorm; Skaug, Hans J.; Avlesen, Helge; Berntsen, Jarle; Blaser, Nello; Blackford, Jeremy; Cazenave, Pierre.
Combining Models and Machine Learning Techniques to Design Leak Detection Monitoring. GHGT-14; 2018-10-22 - 2018-10-25
NORCE UiB Untitled
 
13 Gundersen, Kristian; Oleynik, Anna; Skaug, Hans J.; Avlesen, Helge; Berntsen, Jarle; Blaser, Nello; Blackford, Jeremy; Cazenave, Pierre.
Machine Learning in CO2 leak detection. Machine Learning Seminar November 2018; 2018-11-21 - 2018-11-21
NORCE UiB Untitled
 
14 Isaksen, Trond Einar; Avlesen, Helge; Barlaup, Bjørn Torgeir; Bye-Ingebrigtsen, Einar; Skoglund, Helge; Vollset, Knut Wiik.
Effekten av Evanger kraftverk på strømforholda i Evangervatnet under smoltutgangen 2018 – målingar og modeller. Forskingsmøte om Vossolaksen; 2018-12-03 - 2018-12-03
NORCE Untitled
 
15 Oleynik, Anna; Gundersen, Kristian; Alendal, Guttorm; Blaser, Nello; Skaug, Hans J.; Avlesen, Helge; Berntsen, Jarle; Blackford, Jeremy.
Mathematical methods for detection and localization of CO2 leaks. 3rd International Workshop on Offshore Geologic CO2 Storage; 2018-05-03 - 2018-05-04
NORCE UiB Untitled
 
2017
16 Alendal, Guttorm; Blackford, Jeremy; Chen, Baixin; Avlesen, Helge; Omar, Abdirahman.
Using Bayes theorem to quantify and reduce uncertainties when monitoring varying marine environments for indications of a leak. Energy Procedia 2017 ;Volume 114. p. 3607-3612
NORCE UiB Untitled
 
17 Alendal, Guttorm; Blackford, Jeremy; Chen, Baixin; Avlesen, Helge; Omar, Abdirahman; Berntsen, Jarle; Skaug, Hans J.; Frøysa, Håvard G; Gundersen, Kristian.
Bayes’ theorem as the fundament to design monitoring programs.. CLIMIT SUMMIT 2017; 2017-03-07 - 2017-03-08
NORCE UiB Untitled
 
18 Berntsen, Jarle; Alendal, Guttorm; Avlesen, Helge; Thiem, Øyvind Alexander.
Numerical investigations of dense water cascading on a slope - the role of the bottom boundary layer. I: MekIT’17 - Ninth national conference on Computational Mechanics. International Center for Numerical Methods in Engineering (CIMNE) 2017 ISBN 978-84-947311-1-2. p. 57-69
NORCE UiB Untitled
 
19 Berntsen, Jarle; Alendal, Guttorm; Avlesen, Helge; Thiem, Øyvind Alexander.
The role of Ekman drainage in numerical investigations of dense water cascading on a slope: Sensitivity to vertical resolution and bottom boundary condition. IWMO 2017; 2017-07-03 - 2017-07-06
NORCE UiB Untitled
 
20 Gundersen, Kristian; Alendal, Guttorm; Skaug, Hans J.; Avlesen, Helge; Blackford, Jeremy; Chen, Baixin; Dewar, Marius; Berntsen, Jarle.
Assessment of machine learning methods as a tool in detecting leakages. 9th. Trondheim Conference on CCS; 2017-06-12 - 2017-06-14
NORCE UiB Untitled
 
21 Gundersen, Kristian; Blaser, Nello; Alendal, Guttorm; Brun, Morten; Skaug, Hans J.; Avlesen, Helge; Berntsen, Jarle; Blackford, Jeremy.
Assessment of Topological Data Analysis and Machine Learning Technologies as Tools for Seep Detection. Advances in Marine Ecosystem Modelling Research; 2017-07-03 - 2017-07-06
NORCE UiB Untitled
 
2016
22 Alendal, Guttorm; Blackford, Jeremy; Chen, Baixin; Avlesen, Helge; Omar, Abdirahman.
Using Bayes Theorem to Quantify and Reduce Uncertainties when Monitoring Varying Marine Environments for Indications of a Leak. 13th Conference on Greenhouse Gas Control Technologies (GHGT13); 2016-11-14 - 2016-11-18
NORCE UiB Untitled
 
23 Alendal, Guttorm; Blackford, Jeremy; Chen, Baixin; Avlesen, Helge; Omar, Abdirahman; Berntsen, Jarle; Skaug, Hans J.; Frøysa, Håvard G.
Bayes’ theorem as the fundament to design monitoring programs.. IEAGHG Monitoring and Modelling Combined Networks Meeting; 2016-07-06 - 2016-07-08
NORCE UiB Untitled
 
24 Ali, Alfatih Omer Mohammed Ahmed; Frøysa, Håvard G; Avlesen, Helge; Alendal, Guttorm.
Simulating spatial and temporal varying CO2 signals fromsources at the seafloor to help designing risk-basedmonitoring programs. Journal of Geophysical Research (JGR): Oceans 2016 ;Volume 121.(1) p. 745-757
NORCE UiB Untitled
 
25 Berntsen, Jarle; Darelius, Elin Maria K.; Avlesen, Helge.
Gravity currents down canyons: effects of rotation. Ocean Dynamics 2016 ;Volume 66.(10) p. 1353-1378
NORCE UiB Untitled
 
2015
26 Berntsen, Jarle; Thiem, Øyvind Alexander; Avlesen, Helge.
Internal pressure gradient errors in σ-coordinate ocean models in high resolution fjord studies. Ocean Modelling 2015 ;Volume 92. p. 42-55
NORCE UiB Untitled
 
27 Hvidevold, Hilde Kristine; Alendal, Guttorm; Johannessen, Truls; Ali, Alfatih Omer Mohammed Ahmed; Mannseth, Trond; Avlesen, Helge.
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 2015 ;Volume 37. p. 274-279
NORCE UiB Untitled
 
2014
28 Alendal, Guttorm; Dewar, Marius; Ali, Alfatih Mohammed A; Yakushev, Evgeniy; Avlesen, Helge; Chen, Baixin.
Technical report on environmental conditions and possible leak scenarios in the North Sea. : UiB 2014 56 p.
NIVA NORCE UiB Untitled
 
2013
29 Ali, Alfatih Mohammed A; Avlesen, Helge; Alendal, Guttorm.
Spatial footprint of a leak. International Workshop on Leakage effects from natural analogues; 2013-05-13 - 2013-05-13
NORCE UiB Untitled
 
30 Dewar, Marius; Chen, Baixin; Yakushev, Evgeny; Avlesen, Helge; Alendal, Guttorm; Ali, Alfatih Mohammed A; Vielstadte, Lisa.
Technical report on verified and validated application of droplet/bubble plume-, geochemical- and general flow- models. : UiB 2013 81 p.
NIVA NORCE UiB Untitled
 
2012
31 Seim, Knut Sponheim; Fer, Ilker; Avlesen, Helge.
Stratified flow over complex topography: A model study of the bottom drag and associated mixing. Continental Shelf Research 2012 ;Volume 34. p. 41-52
NORCE NTNU UiB Untitled
 
32 Thiem, Øyvind Alexander; Avlesen, Helge; Graham, Angus.
Numerisk simulering av strøm i Sørfjorden. Bergen: Uni Research 2012 105 p. Uni Computing Technical Report Series(29)
NORCE Untitled
 
2011
33 Torsvik, Tomas; Avlesen, Helge; Thiem, Øyvind Alexander.
Tracking of passive, neutrally buoyant particles using the Bergen Ocean Model. Bergen: Uni Research 2011 37 p. BCCS Technical Report Series(27)
NORCE Untitled
 
2000
34 Avlesen, Helge.
On the choice of numerical algorithms for ocean modeling. Universitetet i Bergen 2000
NORCE Untitled
 
1998
35 Avlesen, Helge.
A study of two new splitting methods for the gravity part of the shallow water equations. : Institutt for Informatikk 1998 19 p. Reports in Informatics(145)
UiB Untitled
 
36 Avlesen, Helge; Berntsen, Jarle; Espelid, Terje O.
A convergence study of two prognostic, sigma coordinate ocean models on a dencity driven flow in a quadratic basin. : Institutt for informatikk, UiB. 1998 Report in Informatics(No. 157)
UiB Untitled
 
37 Avlesen, Helge; Berntsen, Jarle; Espelid, Terje O.
A convergence study of two prognostic, sigma coordinate ocean models on a density driven flow in a quadratic basin. : Institutt for Informatikk 1998 27 p. Reports in Informatics(157)
UiB Untitled