CV Jan-Victor Björkqvist

• Wind generated waves

• Wave modelling

• Waves in archipelagos

• Wave measurements

• Helsingin ajantasa-aallokko: Mapping and operational measurements and modelling of waves in the Helsinki region (2012 -)

• Vesiviljelyn innovaatio-ohjelma: Furthering safety and efficiency in fishery (2016-2022)

• PhD (geophysics), 2020, University of Helsinki

• MSc (mathematics), 2012, University of Helsinki

Currently doing a post-doc at MET Norway (2021-2023)

https://orcid.org/0000-0001-8981-2758

Peer-reviewed publications

25. Pärt, S., Björkqvist, J.-V., Alari, V. Maljutenko I., and Uiboupin, R., 2023: An ocean–wave–trajectory forecasting system for the eastern Baltic Sea: Validation against drifting buoys and implementation for oil spill modeling, Marine Pollution Bulletin,Volume 195,115497,DOI: 10.1016/j.marpolbul.2023.115497

24. Christakos, K., Gao, Z., Furevik, B. R., Björkqvist, J.-V., and Aarnes, O. J., 2022: In situ coastal observations of wave homogeneity and coherence, Applied Ocean Research, 129, DOI: 10.1016/j.apor.2022.103390

23. Breivik, Ø., Carrasco, A., Haakenstad, H., Aarnes, O. J., Behrens, A., Bidlot, J.-R., Björkqvist, J.-V., Bohlinger, P., Furevik, B. R., Staneva, J., and Reistad, M., 2022: The impact of a reduced high-wind Charnock parameter on wave growth with application to the North Sea, the Norwegian Sea, and the Arctic Ocean. Journal of Geophysical Research: Oceans, 127, DOI: 10.1029/2021JC018196

22. Johansson, M. M., Björkqvist, J.-V., Särkkä, J., Leijala, U., and Kahma, K. K., 2022: Correlation of wind waves and sea level variations on the coast of the seasonally ice-covered Gulf of Finland, Natural Hazards and Earth System Sciences, 22, 813-829, DOI: 10.5194/nhess-22-813-2022

21. Alari, V., Björkqvist, J.-V., Kaldvee, V., Mölder, K., Rikka, S., Kask-Korb, A., Vahter, K., Pärt, S., Vidjajev, N., and Tõnisson, H., 2022: LainePoiss® — a lightweight and ice-resistant wave buoy, Journal of Atmospheric and Oceanic Technology (published online), DOI: 10.1175/JTECH-D-21-0091.1

20. Björkqvist, J.-V., Pärt, S., Alari, V., Rikka, S., Lindgren, E., and Tuomi, L., 2021: Swell hindcast statistics for the Baltic Sea, Ocean Science, 17, 1815–1829, DOI: 10.5194/os-17-1815-2021

19. Pärt, S., Kankaanpää, H., Björkqvist J.-V., and Uiboupin. R., 2021: Oil Spill Detection Using Fluorometric Sensors: Laboratory Validation and Implementation to a FerryBox and a Moored SmartBuoy, Frontiers in Marine Science, 8, 1753, DOI: 10.3389/fmars.2021.778136

18. Christakos, K., Björkqvist, J.-V., Breivik, Ø., Tuomi, L., Furevik, B. R., and Albretsen, J., 2021: The impact of surface currents on the wave climate in narrow fjords, Ocean Modelling, 168, 101894, DOI: 10.1016/j.ocemod.2021.101894

17. Kanarik, H., Tuomi, L., Björkqvist, J.-V., and Kärnä, T., 2021: Improving Baltic Sea wave forecasts using modelled surface currents. Ocean Dynamics, 71, 635–654, DOI: 10.1007/s10236-021-01455-y 16. Christakos, K., Björkqvist, J.-V., Tuomi, L., Furevik, B. R., and Breivik, Ø., 2021: Modelling wave growth in narrow fetch geometries: The white-capping and wind input formulations, Ocean Modelling, 157, 101730, DOI: 10.1016/j.ocemod.2020.101730

15. Björkqvist, J.-V., Rikka, S., Alari, V., Männik, A., Tuomi, L., and Pettersson, H., 2020: Wave height return periods from combined measurement–model data: a Baltic Sea case study, Nat. Hazards Earth Syst. Sci., 20, 3593–3609,DOI: 10.5194/nhess-20-3593-2020 14. Pellikka, H., Laurila, T. K., Boman, H., Karjalainen, A., Björkqvist, J.-V., and Kahma, K. K., 2020: Meteotsunami occurrence in the Gulf of Finland over the past century, Nat. Hazards Earth Syst. Sci., 20(9), 2535-2546, DOI: 10.5194/nhess-20-2535-2020 13. Björkqvist, J.-V., Vähä-Piikkiö, O., Alari, V., Kuznetsova, A., and Tuomi, L., 2020: WAM, SWAN and WAVEWATCH III in the Finnish archipelago – the effect of spectral performance on bulk wave parameters, J. Oper. Oceanogr., 13, 55–70, DOI: 10.1080/1755876X.2019.1633236

12. Björkqvist, J.-V., Pettersson, H., and Kahma, K. K., 2019: The wave spectrum in archipelagos, Ocean Sci., 15, 1469–1487, DOI: 10.5194/os-15-1469-2019.

11. Björkqvist, J.-V., Pettersson, H., Drennan, W. M., and Kahma, K. K., 2019: A new inverse phase speed spectrum of nonlinear gravity wind waves, Journal of Geophysical Research: Oceans, 124, 6097– 6119, DOI: 10.1029/2018JC014904

10. Tuomi, L., Kanarik, H., Björkqvist, J.-V., Marjamaa, R., Vainio, J., Hordoir, R., Höglund, A., and Kahma, K. K., 2019: Impact of Ice Data Quality and Treatment on Wave Hindcast Statistics in Seasonally Ice-Covered Seas, Frontiers in Earth Science, 7, 166, DOI: 10.3389/feart.2019.00166

9. Nilsson, E., Rutgersson, A., Dingwell, A., Björkqvist, J.-V., Pettersson, H., Axell, L., Nyberg, J., and Strömstedt, E., 2019: Characterization of Wave Energy Potential for the Baltic Sea with Focus on the Swedish Exclusive Economic Zone, Energies, 12(5), DOI: 10.3390/en12050793

8. Leijala, U., Björkqvist, J.-V., Johansson, M. M., Pellikka, H., Laakso, L., and Kahma, K. K., 2018: Combining probability distributions of sea level variations and wave run-up to evaluate coastal flooding risks, Nat. Hazards Earth Syst. Sci., 18, 2785-2799, DOI: 10.5194/nhess-18-2785-2018.

7. Björkqvist, J.-V., Lukas, I., Alari, V., van Vledder, G. Ph., Hulst, S., Pettersson, P., Behrens, A., and Männik, A., 2018: Comparing a 41-year model hindcast with decades of wave measurements from the Baltic Sea, Ocean Engineering, 152, pp. 57-71, DOI: 10.1016/j.oceaneng.2018.01.048

6. Tuomi, L., Vähä-Piikkiö, O., Alenius, P., Björkqvist, J.-V., and Kahma, K. K., 2018: Surface Stokes drift in the Baltic Sea based on modelled wave spectra, Ocean Dynamics, 68(1), pp. 17-33, DOI: 10.1007/s10236-017-1115-7

5. Björkqvist, J.-V., Tuomi, L., Tollman, N., Kangas, A., Pettersson, H., Marjamaa, R., Jokinen, H., and Fortelius, C., 2017: Brief communication: Characteristic properties of extreme wave events observed in the northern Baltic Proper, Baltic Sea, Nat. Hazards Earth Syst. Sci., 17, pp. 1653-1658, DOI: 10.5194/nhess-17-1653-2017

4. Björkqvist, J.-V., Tuomi, L., Fortelius, C., Pettersson, H., Tikka, K., and Kahma, K. K., 2017: Improved estimates of nearshore wave conditions in the Gulf of Finland, J. Marine. Syst., 171, pp. 43-53, DOI: 10.1016/j.jmarsys.2016.07.005

3. Laxague, N. J. M., Curcic, M., Björkqvist, J.-V., and Haus, B. K., 2017: Gravity-Capillary Wave Spectral Response to Short Gravity Wave Modulation, IEEE Transactions on Geoscience and Remote Sensing, 55(5), pp. 2477 - 2485, DOI: 10.1109/TGRS.2016.2645539

2. Björkqvist, J.-V., Pettersson, H., Laakso, L., Kahma, K. K., Jokinen, H., and Kosloff, P., 2016: Removing low-frequency artefacts from Datawell DWR-G4 wave buoy measurements. Geosci. Instrum. Method. Data Syst., 5, pp. 17-25, DOI: 10.5194/gi-5-17-2016

1. Tuomi, L., Pettersson, H., Fortelius, C., Tikka, K., Björkqvist, J.-V., and Kahma, K. K., 2014: Wave modelling in archipelagos. Coastal Engineering 83, pp. 205-220. DOI: 10.1016/j.coastaleng.2013.10.011

Other scientific publications

9. Björkqvist, J.-V., 2020: Waves in Archipelagos, Finnish Meteorological Institute Contributions ,159, PhD thesis, University of Helsinki, http://hdl.handle.net/10138/308954

8. Björkqvist, J.-V., Kahma, K. K., Johansson, M., Jokinen, H., Leijala, U., Särkkä, J., Tikka K., ja Tuomi, L., 2019. Turvalliset rakentamiskorkeudet Helsingin rannoilla, Kaupunkiympäristön julkaisuja 2019:20. https://www.hel.fi/static/liitteet/kaupunkiymparisto/julkaisut/julkaisut/julkaisu-20-19.pdf

7. Björkqvist, J.-V., Kanarik, H., Johansson, M., and Tuomi, L., 2018: A Wave Forecast for the Helsinki Archipelago in the Gulf of Finland. Proceedings of 7th IEEE/OES Baltic Symposium, Klaipeda 12-15 June 2018, Klaipeda, DOI: 10.1109/BALTIC.2018.8634863

6. Jylhä K., Pellikka H., Karppinen A., Viljanen A., Björkqvist J.-V., Fortelius C., Gregow H., Hyvärinen O., Johansson M., Laurila T., Leijala U., Luomaranta A., Korpinen A., Kouznetsov R., Kämäräinen M., Mäkelä A., Olsson T., Rauhala J., Sofiev M., Särkkä J.,  Ukkonen P., and Vajda A., 2019: Extreme weather and nuclear power plants (EXWE). In: Hämäläinen J and Suolanen V (eds.): SAFIR2018 - The Finnish research Programme on nuclear power plant safety 2015-2018. Final report. VTT Technology 349. Pages 95-122.

5. Björkqvist, J.-V., Vähäaho, I., and Kahma, K. K., 2017: Spectral Field Measurements of Wave Reflection at a Steep Shore with Wave Damping Chambers, WIT Transactions on The Built Environment, 170, pp. 185-191, DOI: 10.2495/CC170181

4. Kahma, K. K.,Björkqvist, J.-V., Johansson, M., Jokinen, H., Leijala, U., Särkkä, J., Tikka K., and Tuomi, L., 2016. Turvalliset rakentamiskorkeudet Helsingin rannoilla vuosina 2020, 2050 ja 2100. Loppuraportti 13.1.2016, Helsingin kaupunki, Kiinteistövirasto, Geoteknisen osaston julkaisu 96.

3. Björkqvist, J.-V., Tuomi, L., Tikka, K., Fortelius, C., Pettersson, H., and Kahma, K. K., 2015: On the accuracy of the modelled wave spectrum in coastal archipelagos, Extended abstracts, Baltic Earth/Gulf of Finland PhD Seminar in Tallinn, November 2015,  International Baltic Earth Secretariat Publications, No. 8, pp. 7-8

2. Björkqvist, J.-V., Tuomi, L., Pettersson, H., Fortelius, C., Tikka, K., and Kahma, K. K., 2014: The effect of boundary field accuracy on high-resolution coastal wave modelling. Proceedings of 6th IEEE/OES Baltic Symposium, Tallinn 26-29 May 2014, Tallinn, DOI: 10.1109/BALTIC.2014.6887856

1. Tuomi, L., Björkqvist, J.-V. , 2014: Wave forecasting in coastal archipelagos. Proceedings of 6th IEEE/OES Baltic Symposium, Tallinn 26-29 May 2014, Tallinn, DOI: 10.1109/BALTIC.2014.6887855

Articles Popularizing Science

3. Jan-Victor Björkqvist, 2017, Helsinki jatkaa merellisten olosuhteiden kartoituksen edelläkävijänä, Geofoor, no. 47

2. Jan-Victor Björkqvist, 2017, On se Buli! - Suomen ensimmäinen pysyvä rannikonläheinen aaltopoiju, Veneilyturvallisuuslehti

1. Jan-Victor Björkqvist, 2016, Helsinki kartoitti merenpinnan korkeuden ja aallokon riskitasoja, ATMOS, http://atmoslehti.fi/tutkimus/helsinki-kartoitti-merenpinnan-korkeuden-aallokon-riskitasoja/

Published datasets

2. Björkqvist, J.-V., Pettersson, H., and Kahma, K.: Wave and wind data from the Helsinki archipelago and Gulf of Finland, Zenodo, DOI: 10.5281/zenodo.3482304, 2019. Dataset used in this publication.

1. Björkqvist, J.-V., Pettersson, H., Drennan, W. M., and Kahma, K. K., Directional wave data collected by R/V Aranda in the Baltic Sea, Zenodo, DOI: 10.5281/zenodo.2516432, 2019. Dataset used in this publication.