Search Results - "Alendal, Guttorm"

A comparison of Monte Carlo sampling methods for metabolic network models by Fallahi, Shirin, Skaug, Hans J, Alendal, Guttorm

“…Reaction rates (fluxes) in a metabolic network can be analyzed using constraint-based modeling which imposes a steady state assumption on the system. In a…”
Get full text

Binary Time Series Classification with Bayesian Convolutional Neural Networks When Monitoring for Marine Gas Discharges by Gundersen, Kristian, Alendal, Guttorm, Oleynik, Anna, Blaser, Nello

“…The world’s oceans are under stress from climate change, acidification and other human activities, and the UN has declared 2021–2030 as the decade for marine…”
Get full text

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 by Omar, Abdirahman M., García-Ibáñez, Maribel I., Schaap, Allison, Oleynik, Anna, Esposito, Mario, Jeansson, Emil, Loucaides, Socratis, Thomas, Helmuth, Alendal, Guttorm

“…•A novel stoichiometric approach called the Cseep method was developed and used to.•Predict natural DIC variations around the Goldeneye site in the…”
Get full text

Integrative omics-analysis of lipid metabolism regulation by peroxisome proliferator-activated receptor a and b agonists in male Atlantic cod by Eide, Marta, Goksøyr, Anders, Yadetie, Fekadu, Gilabert, Alejandra, Bartosova, Zdenka, Frøysa, Håvard G, Fallahi, Shirin, Zhang, Xiaokang, Blaser, Nello, Jonassen, Inge, Bruheim, Per, Alendal, Guttorm, Brun, Morten, Porte, Cinta, Karlsen, Odd André

“…Lipid metabolism is essential in maintaining energy homeostasis in multicellular organisms. In vertebrates, the peroxisome proliferator-activated receptors…”
Get full text

Turbulent diffusion and transport from a CO2 lake in the deep ocean by Haugan, Peter M., Alendal, Guttorm

“…If liquid CO2 is stored as a dense “lake” on the deep ocean floor, it is expected to dissolve in seawater. Ocean currents and turbulence can increase the net…”
Get full text

Parameterization of drag and dissolution of rising CO2 drops in seawater by Reidun Gangstø, Peter M. Haugan, Guttorm Alendal

“…In this work the dynamics and dissolution of a hydrate‐covered CO2 drop were studied, using a numeric model and data from one of very few CO2 experiments…”
Get full text

A deep reinforcement learning hyperheuristic for the covering tour problem with varying coverage by Torabi, Parisa, Hemmati, Ahmad, Oleynik, Anna, Alendal, Guttorm

“…Covering Tour Problem (CTP) is a combinatorial optimization problem in which the objective is to identify a minimum-cost tour that satisfies the coverage of a…”
Get full text

Covering tour problem with varying coverage: Application to marine environmental monitoring by Torabi, Parisa, Oleynik, Anna, Hemmati, Ahmad, Alendal, Guttorm

“…In this paper, we present a novel variant of the Covering Tour Problem (CTP), called the Covering Tour Problem with Varying Coverage (CTP-VC). We consider a…”
Get full text

Impact and detectability of hypothetical CCS offshore seep scenarios as an aid to storage assurance and risk assessment by Blackford, Jerry, Alendal, Guttorm, Avlesen, Helge, Brereton, Ashley, Cazenave, Pierre W., Chen, Baixin, Dewar, Marius, Holt, Jason, Phelps, Jack

“…•Models show consistent relationship between release rate and environmental footprint.•Models deliver a first order environmental impact assessment for…”
Get full text

Optimal sensors placement for detecting CO2 discharges from unknown locations on the seafloor by Oleynik, Anna, García-Ibáñez, Maribel I., Blaser, Nello, Omar, Abdirahman, Alendal, Guttorm

“…•The classical set cover problem was used to optimize chemical sensors layout on the seafloor.•Multiple leak scenarios were simulated using an…”
Get full text

Numerical modelling of CO2 migration in heterogeneous sediments and leakage scenario for STEMM-CCS field experiments by Saleem, Umer, Dewar, Marius, Chaudhary, Tariq Nawaz, Sana, Mehroz, Lichtschlag, Anna, Alendal, Guttorm, Chen, Baixin

“…The dynamics and plume development of injected CO2 dispersion and dissolution through sediments into water column, at the STEMM-CCS field experiment conducted…”
Get full text

The role of eddies on pathways, transports, and entrainment in dense water flows along a slope by Berntsen, Jarle, Alendal, Guttorm, Avlesen, Helge

“…The flow of dense water along slopes has been investigated in several numerical investigations based on the Dynamics of Overflow Mixing and Entrainment (DOME)…”
Get full text

Survey strategies to quantify and optimize detecting probability of a CO2 seep in a varying marine environment by Hvidevold, Hilde Kristine, Alendal, Guttorm, Johannessen, Truls, Ali, Alfatih

“…Designing a marine monitoring program that detects CO2 leaks from subsea geological storage projects is challenging. The high variability of the environment…”
Get full text

Layout of CCS monitoring infrastructure with highest probability of detecting a footprint of a CO2 leak in a varying marine environment by Hvidevold, Hilde Kristine, Alendal, Guttorm, Johannessen, Truls, Ali, Alfatih, Mannseth, Trond, Avlesen, Helge

Get full text

Cost efficient environmental survey paths for detecting continuous tracer discharges by Alendal, G.

“…Designing monitoring programs for detecting potential tracer discharges from unknown locations is challenging. The high variability of the environment may…”
Get full text

The effect of submarine CO₂ vents on seawater: Implications for detection of subsea carbon sequestration leakage by Botnen, Helle Augdal, Omar, Abdirahman M., Thorseth, Ingunn, Johannessen, Truls, Alendal, Guttorm

“…The effect of submarine carbon dioxide (CO₂) vents on seawater carbonate chemistry have been determined using hydrographical and marine carbonate data obtained…”
Get full text

Effects of the bottom boundary condition in numerical investigations of dense water cascading on a slope by Berntsen, Jarle, Alendal, Guttorm, Avlesen, Helge, Thiem, Øyvind

“…The flow of dense water along continental slopes is considered. There is a large literature on the topic based on observations and laboratory experiments. In…”
Get full text

Towards improved monitoring of offshore carbon storage: A real-world field experiment detecting a controlled sub-seafloor CO2 release by Flohr, Anita, Schaap, Allison, Achterberg, Eric P., Alendal, Guttorm, Arundell, Martin, Berndt, Christian, Blackford, Jerry, Böttner, Christoph, Borisov, Sergey M., Brown, Robin, Bull, Jonathan M., Carter, Liam, Chen, Baixin, Dale, Andrew W., de Beer, Dirk, Dean, Marcella, Deusner, Christian, Dewar, Marius, Durden, Jennifer M., Elsen, Saskia, Esposito, Mario, Faggetter, Michael, Fischer, Jan P., Gana, Amine, Gros, Jonas, Haeckel, Matthias, Hanz, Rudolf, Holtappels, Moritz, Hosking, Brett, Huvenne, Veerle A.I., James, Rachael H., Koopmans, Dirk, Kossel, Elke, Leighton, Timothy G., Li, Jianghui, Lichtschlag, Anna, Linke, Peter, Loucaides, Socratis, Martínez-Cabanas, María, Matter, Juerg M., Mesher, Thomas, Monk, Samuel, Mowlem, Matthew, Oleynik, Anna, Papadimitriou, Stathys, Paxton, David, Pearce, Christopher R., Peel, Kate, Roche, Ben, Ruhl, Henry A., Saleem, Umer, Sands, Carla, Saw, Kevin, Schmidt, Mark, Sommer, Stefan, Strong, James A., Triest, Jack, Ungerböck, Birgit, Walk, John, White, Paul, Widdicombe, Steve, Wilson, Robert Euan, Wright, Hannah, Wyatt, James, Connelly, Douglas

“…•The STEMM-CCS project completed a unique field experiment in the central North Sea.•The experiment mimicked a leakage of CO2 from an offshore storage site.•A…”
Get full text

New Conceptual Toxicokinetic Model to Assess Synergistic Mixture Effects between the Aromatic Hydrocarbon β‑Naphthoflavone and the Azole Nocodazole on the CYP1A Biomarker in a Fish Cell Line by Fallahi, Shirin, Mlnaříková, Marie, Alvord, Charlotte, Alendal, Guttorm, Frøysa, Håvard G, Lundh, Torbjörn, Celander, Malin C

“…Toxicokinetic interactions with catabolic cytochrome P450 (CYP) enzymes can inhibit chemical elimination pathways and cause synergistic mixture effects. We…”
Get full text

Experimental design for parameter estimation in steady-state linear models of metabolic networks by Frøysa, Håvard G., Skaug, Hans J., Alendal, Guttorm

“…•Analytical identifiability criterion for kinetic parameters in linear models of metabolic networks.•Analytical calculation of the Fisher information matrix…”
Get full text