
Photo: UiT
Yngve Birkelund
- Chen, Hao; Birkelund, Yngve; Batalden, Bjørn-Morten; Barabadi, Abbas. Noise-intensification data augmented machine learning for day-ahead wind power forecast. Energy Reports 2022. ISSN 2352-4847.s doi: 10.1016/j.egyr.2022.05.265.
- Chen, Hao; Birkelund, Yngve. An Evaluation on Diverse Machine Learning Algorithms for Hourly Univariate Wind Power Prediction in the Arctic. Journal of Physics: Conference Series (JPCS) 2021. ISSN 1742-6588.s 1 - 7.s doi: 10.1088/1742-6596/2141/1/012016.
- Chen, Hao; Birkelund, Yngve; Yuan, Fuqing. Examination of turbulence impacts on ultra-short-term wind power and speed forecasts with machine learning. Energy Reports 2021; Volum 7. ISSN 2352-4847.s 332 - 338.s doi: 10.1016/j.egyr.2021.08.040.
- Chen, Hao; Anfinsen, Stian Normann; Birkelund, Yngve; Yuan, Fuqing. Probability distributions for wind speed volatility characteristics: A case study of Northern Norway. Energy Reports 2021; Volum 7. ISSN 2352-4847.s 248 - 255.s doi: 10.1016/j.egyr.2021.07.125.
- Chen, Hao; Birkelund, Yngve; Qixia, Zhang. Data-augmented sequential deep learning for wind power forecasting. Energy Conversion and Management 2021; Volum 248. ISSN 0196-8904.s 1 - 12.s doi: 10.1016/j.enconman.2021.114790.
- Solbakken, Kine; Birkelund, Yngve; Samuelsen, Eirik Mikal. Evaluation of surface wind using WRF in complex terrain: Atmospheric input data and grid spacing. Environmental Modelling & Software 2021; Volum 145. ISSN 1364-8152.s doi: 10.1016/j.envsoft.2021.105182.
- Chen, Hao; Birkelund, Yngve; Anfinsen, Stian Normann; Yuan, Fuqing. Comparative study of data-driven short-term wind power forecasting approaches for the Norwegian Arctic region. Journal of Renewable and Sustainable Energy 2021; Volum 13 (2). ISSN 1941-7012.s doi: 10.1063/5.0038429.
- Chen, Hao; Birkelund, Yngve; Anfinsen, Stian Normann; Staupe-Delgado, Reidar; Yuan, Fuqing. Assessing probabilistic modelling for wind speed from numerical weather prediction model and observation in the Arctic. Scientific Reports 2021; Volum 11 (7613). ISSN 2045-2322.s doi: 10.1038/s41598-021-87299-4.
- Birkelund, Yngve; Alessandrini, Stefano; Byrkjedal, Øyvind; Monache, Luca Delle. Wind power prediction in complex terrain using analog ensembles. Journal of Physics: Conference Series (JPCS) 2018; Volum 1102 (1). ISSN 1742-6588.s doi: 10.1088/1742-6596/1102/1/012008.
- Solbakken, Kine; Birkelund, Yngve. Evaluation of the Weather Research and Forecasting (WRF) model with respect to wind in complex terrain. Journal of Physics: Conference Series (JPCS) 2018; Volum 1102 (1). ISSN 1742-6588.s 1 - 10.s doi: 10.1088/1742-6596/1102/1/012011.
- Beka, Thomas Ibsa; Bergh, Steffen G; Smirnov, Maxim; Birkelund, Yngve. Magnetotelluric signatures of the complex tertiary fold–thrust belt and extensional fault architecture beneath Brøggerhalvøya, Svalbard. Polar Research 2017; Volum 36 (1). ISSN 0800-0395.s doi: 10.1080/17518369.2017.1409586.
- Beka, Thomas Ibsa; Senger, Kim; Autio, Uula; Smirnov, Maxim; Birkelund, Yngve. Integrated electromagnetic data investigation of a Mesozoic CO2 storage target reservoir-cap-rock succession, Svalbard. Journal of Applied Geophysics 2017; Volum 136. ISSN 0926-9851.s 417 - 430.s doi: 10.1016/j.jappgeo.2016.11.021.
- Bilal, Muhammad; Birkelund, Yngve; Homola, Matthew Carl; Virk, Muhammad Shakeel. Wind over complex terrain e Microscale modelling with two types of mesoscale winds at Nygårdsfjell. Renewable Energy 2016; Volum 99. ISSN 0960-1481.s 647 - 653.s doi: 10.1016/j.renene.2016.07.042.
- Beka, Thomas Ibsa; Smirnov, Maxim; Birkelund, Yngve; Senger, Kim; Bergh, Steffen G. Analysis and 3D inversion of magnetotelluric crooked profile data from central Svalbard for geothermal application. Tectonophysics 2016; Volum 686. ISSN 0040-1951.s 98 - 115.s doi: 10.1016/j.tecto.2016.07.024.
- Bilal, Muhammad; Solbakken, Kine; Birkelund, Yngve. Wind speed and direction predictions by WRF and WindSim coupling over Nygårdsfjell. Journal of Physics: Conference Series (JPCS) 2016; Volum 753 (8). ISSN 1742-6588.s 1 - 9.s doi: 10.1088/1742-6596/753/8/082018.
- Birkelund, Yngve; Johansen, Jarle André; Hanssen, Alfred. High-precision surrogate data based tests for Gaussianity and linearity of discrete time random processes. European Signal Processing Conference 2015; Volum 06-10-September-2004:7079994. ISSN 2076-1465.s 73 - 76.s doi: 10.1016/j.sigpro.2009.04.013.
- Bilal, Muhammad; Birkelund, Yngve; Matthew, Homola. High Winds at Nygårdsfjell. Journal of Clean Energy Technologies (JOCET) 2015; Volum 3 (2). ISSN 1793-821X.s 106 - 109.s doi: 10.7763/JOCET.2015.V3.176.
- Beka, Thomas Ibsa; Smirnov, Maxim; Bergh, Steffen G; Birkelund, Yngve. The First Magnetotelluric Image of the Lithospheric-Scale Geological Architecture in Central Svalbard, Arctic Norway. (fulltekst) Polar Research 2015; Volum 34 (26766). ISSN 0800-0395.s doi: 10.3402/polar.v34.26766.
- Abrahamsen, Malin; Birkelund, Yngve. Coastal wind from satellite measurements and meteorological models for offshore wind power prediction. ISOPE - International Offshore and Polar Engineering Conference. Proceedings 2015; Volum 2015-January. ISSN 1098-6189.s 699 - 705.
- Bilal, Muhammad; Araya, Guillermo; Birkelund, Yngve. Preliminary Assessment of Remote Wind Sites. Energy Procedia 2015; Volum 75. ISSN 1876-6102.s 658 - 663.s doi: 10.1016/j.egypro.2015.07.481.
- Skjelvareid, Martin Hansen; Birkelund, Yngve; Larsen, yngvar. Internal pipeline inspection using virtual source synthetic aperture ultrasound imaging. NDT & E international 2013; Volum 54. ISSN 0963-8695.s 151 - 158.s doi: 10.1016/j.ndteint.2012.10.005.
- Klemetsen, Øystein; Jacobsen, Svein Ketil; Birkelund, Yngve. Radiometric temperature reading of a hot ellipsoidal object inside the oral cavity by a shielded microwave antenna put flush to the cheek. Physics in Medicine and Biology 2012; Volum 57 (9). ISSN 0031-9155.s 2633 - 2652.s doi: 10.1088/0031-9155/57/9/2633.
- Jacobsen, Svein Ketil; Klemetsen, Øystein; Birkelund, Yngve. Vesicoureteral reflux in young children: a study of radiometric thermometry as detection modality using an ex vivo porcine model. Physics in Medicine and Biology 2012; Volum 57 (17). ISSN 0031-9155.s 5557 - 5573.s doi: 10.1088/0031-9155/57/17/5557.
- Skjelvareid, Martin Hansen; Olofsson, Tomas; Birkelund, Yngve. Three-dimensional ultrasonic imaging in multilayered media. AIP Conference Proceedings 2012; Volum 1433. ISSN 0094-243X.s 169 - 172.s doi: 10.1063/1.3703163.
- Skjelvareid, Martin Hansen; Birkelund, Yngve; Larsen, yngvar. Synthetic Aperture Focusing of Outwardly Directed Cylindrical Ultrasound Scans. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2012; Volum 59 (11). ISSN 0885-3010.s 2460 - 2469.s doi: 10.1109/TUFFC.2012.2478.
- Klemetsen, Øystein; Birkelund, Yngve; Jacobsen, Svein Ketil; Maccarini, Paolo; Stauffer, Paul R.. DESIGN OF MEDICAL RADIOMETER FRONT-END FOR IMPROVED PERFORMANCE. Progress in Electromagnetics Research B 2011; Volum 27. ISSN 1937-6472.s 289 - 306.s doi: 10.2528/PIERB10101204.
- Snow, Brent W.; Kavitha, Arunachalam; De Luca, Valeria; Klemetsen, Øystein; Birkelund, Yngve; Stauffer, Paul R.; Maccarini, Paolo. NONINVASIVE GRADE V VESICOURETERAL REFLUX DETECTION: AN ANIMAL STUDY. The Internet Journal of Urology 2011; Volum 185 (4S). ISSN 1528-8390.s e232 - e232.
- Skjelvareid, Martin H.; Olofsson, Tomas; Birkelund, Yngve; Larsen, yngvar. Synthetic Aperture Focusing of Ultrasonic Data From Multilayered Media Using an Omega-K Algorithm. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2011; Volum 58 (5). ISSN 0885-3010.s 1037 - 1048.s doi: 10.1109/TUFFC.2011.1904.
- Birkelund, Yngve; Klemetsen, Øystein; Jacobsen, Svein Ketil; Arunachalam, Kavitha; Maccarini, Paolo; Stauffer, Paul R.. Vesicoureteral Reflux in Children: A Phantom Study of Microwave Heating and Radiometric Thermometry of Pediatric Bladder. IEEE Transactions on Biomedical Engineering 2011; Volum 58 (11). ISSN 0018-9294.s 3269 - 3278.s doi: 10.1109/TBME.2011.2167148.
- Snow, Brent W.; Arunachalam, Kavitha; De Luca, Valeria; Maccarini, Paolo; Klemetsen, Øystein; Birkelund, Yngve; Pysher, TJ; Stauffer, Paul R.. Non-invasive vesicoureteral reflux detection: Heating risk studies for a new device. Journal of Pediatric Urology 2011; Volum 7 (6). ISSN 1477-5131.s 624 - 630.s doi: 10.1016/j.jpurol.2011.05.005.
- Stauffer, P R; Maccarini, P F; Arunachalam, K.; De Luca, Valeria; Salahi, Sara; Boico, A; Klemetsen, Øystein; Birkelund, Yngve; Jacobsen, Svein Ketil; Bardati, F; Tognolatti, P; Snow, Brent W.. Microwave radiometry for non-invasive detection of vesicoureteral reflux (VUR) following bladder warming. Proceedings of SPIE, the International Society for Optical Engineering 2011; Volum 7901 (1). ISSN 0277-786X.s doi: 10.1117/12.875636.
- Birkelund, Yngve; Melandsø, Frank. Integrated ultrasound sensor for microwave heating and radiometry in medical applications. IEEE International Ultrasonics Symposium Proceedings 2011. ISSN 1051-0117.s doi: 10.1109/ultsym.2011.0015.
- Skjelvareid, Martin Hansen; Olofsson, Tomas; Birkelund, Yngve. Ultrasonic imaging of pitting using multilayer synthetic aperture focusing. IEEE International Ultrasonics Symposium Proceedings 2011. ISSN 1051-0117.s doi: 10.1109/ultsym.2011.0507.
- Klemetsen, Øystein; Birkelund, Yngve; Maccarini, P.F.; Stauffer, Paul; Jacobsen, Svein Ketil. Design of Small-sized and Low-cost Front End to Medical Microwave Radiometer. Progress in Electromagnetics Research Symposium 2010. ISSN 1559-9450.s 932 - 936.
- Skjelvareid, Martin Hansen; Birkelund, Yngve. ULTRASOUND IMAGING USING MULTILAYER SYNTHETIC APERTURE FOCUSING. Journal of Pressure Vessel Technology 2010. ISSN 0094-9930.s 379 - 387.
- Klemetsen, Øystein; Birkelund, Yngve; Jacobsen, Svein Ketil. Low-cost and small-sized medical microwave radiometer design. IEEE Antennas & Propagation Magazine 2010. ISSN 1045-9243.
- Jacobsen, Svein Ketil; Birkelund, Yngve. Improved Resolution and Reduced Clutter in Ultra-Wideband Microwave Imaging Using Cross-Correlated Back Projection: Experimental and Numerical Results. (data) International Journal of Biomedical Imaging 2010; Volum 2010. ISSN 1687-4188.s doi: 10.1155/2010/781095.
- Birkelund, Yngve; Hanssen, Alfred. Improved bispectrum based tests for Gaussianity and linearity. Signal Processing 2009; Volum 89 (12). ISSN 0165-1684.s 2537 - 2546.s doi: 10.1016/j.sigpro.2009.04.013.
- Birkelund, Yngve; Jacobsen, Svein Ketil; Arunachalam, Kavitha; Maccarini, Paolo; Stauffer, Paul R.. Flow patterns and heat convection in a rectangular water bolus for use in superficial hyperthermia. Physics in Medicine and Biology 2009; Volum 54 (13). ISSN 0031-9155.s 3937 - 3953.s doi: 10.1088/0031-9155/54/13/001.
- Arunachalam, Kavitha; Maccarini, Paolo; Schlorff, J F; Birkelund, Yngve; Jacobsen, Svein Ketil; Stauffer, Paul R.. Design of a water coupling bolus with improved flow distribution for multi-element superficial hyperthermia applicators. International Journal of Hyperthermia 2009; Volum 25 (7). ISSN 0265-6736.s 554 - 565.s doi: 10.3109/02656730903124506.