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Stephan Thomas Kral's picture

Stephan Thomas Kral

Postdoctoral Fellow, Postdoctoral Researcher
Geophysical Institute
  • E-mailstephan.kral@uib.no
  • Visitor Address
    Allégaten 70
    5007 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen

Reserach interest

  • Stable Atmospheric Boundary Layer
  • Marine Atmospheric Boundary Layer
  • Polar Meteorology
  • Atmospheric turbulence
  • Air-ice-sea interactions
  • Wind energy meteorology
  • Uncrewed Aircraft Systems
Selected publications
  • Båserud, Line; Reuder, Joachim; Jonassen, Marius Opsanger; Kral, Stephan T.; Bakhoday Paskyabi, Mostafa; Lothon, Marie. 2016. Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign. Atmospheric Measurement Techniques. 9: 4901-4913. Published 2016-10-06. doi: 10.5194/amt-9-4901-2016
  • Reuder, Joachim; Båserud, Line; Kral, Stephan T.; Jonassen, Marius Opsanger; Paskyabi, Mosttafa Bakhoday; Lothon, Marie. 2016. Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign.
  • Kral, Stephan T.; Reuder, Joachim; Mayer, Stephanie; Jonassen, Marius Opsanger; Vihma, Timo; Bange, Jens; Wrenger, Burkhard; Raasch, Siegfried; Maronga, Björn; Sorbjan, Zbigniew; Båserud, Line; El Guernaoui, Omar; Bhandari, Anak. 2016. The ISOBAR project (2016–2018) – Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
  • Kral, Stephan T.; Reuder, Joachim; Mayer, Stephanie; Jonassen, Marius Opsanger; Vihma, Timo; Bange, Jens; Wrenger, Burkhard; Raasch, Sigfried; Sorbjan, Zbigniew; Båserud, Line; Bhandari, Anak. 2016. The ISOBAR project (2016-2018) - Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
  • Hackerott, J.A.; Paskyabi, Mosttafa Bakhoday; Kral, Stephan T.; Reuder, Joachim; de Oliveira, Amauri P.; Marques Filho, Edson P.; Mesquita, Michel d. S.; de Camargo, Ricardo. 2016. Similarity analysis of turbulent transport and dissipation for momentum, temperature, moisture and CO2 during BLLAST. Atmospheric Chemistry and Physics Discussions (ACPD). Published 2016-02-01. doi: 10.5194/acp-2015-1061
  • Reuder, Joachim; Båserud, Line; Jonassen, Marius Opsanger; Kral, Stephan T.; Müller, Martin. 2016. Exploring the potential of the RPA system SUMO for multipurpose boundary-layer missions during the BLLAST campaign. Atmospheric Measurement Techniques. 9: 2675-2688. doi: 10.5194/amt-9-2675-2016
  • Flügge, Martin; Svardal, Benny; Bakhoday Paskyabi, Mostafa; Fer, Ilker; Stavland, Stian Husevik; Reuder, Joachim; Kral, Stephan; Kumer, Valerie-Marie. 2016. Boundary-Layer Study at FINO1.
  • Flügge, Martin; Svardal, Benny; Bakhoday Paskyabi, Mostafa; Fer, Ilker; Reuder, Joachim; Stavland, Stian Husevik; Kral, Stephan. 2016. OBLO instrumentation at FINO1.
  • Reuder, Joachim; Båserud, Line; Kral, Stephan T.; Kumer, Valerie-Marie; Wagenaar, Jan-Willem. 2016. Proof of concept for wind turbine wake investigations with the RPAS SUMO.
  • Båserud, Line; Reuder, Joachim; Kral, Stephan T.; Lothon, Marie; Jonassen, Marius Opsanger. 2015. Turbulence measurements from the RPAS SUMO during BLLAST.
  • Reuder, Joachim; Båserud, Line; Kral, Stephan T.; Knauer, Andreas. 2015. Wind turbine wake measurements with the RPAS SUMO.
  • Kral, Stephan T.; Båserud, Line; Reuder, Joachim; Jonassen, Marius Opsanger. 2015. Yaw angle estimation for the measurement of turbulent fluxes from the Small Unmanned Meteorological Observer (SUMO).
  • Kral, Stephan T.; Sjöblom, Anna; Nygård, Tiina. 2014. Observations of summer turbulent surface fluxes in a High Arctic fjord. Quarterly Journal of the Royal Meteorological Society. 140: 666-675. doi: 10.1002/qj.2167

Spring semester 2023:

  • Practical Meteorology and Oceanography, GEOF232
  • Field Course in Meteorology, GEOF322

Guest Lecturer for UNIS courses:

  • Polar Meteorology and Climate, AGF-213
  • The Arctic Atmospheric Boundary Layer and Local Climate Processes, AGF-350/850
  • Sea-ice-air interaction II, AGF-311/811
  • Show author(s) (2023). Flow Structure around a Multicopter Drone: A Computational Fluid Dynamics Analysis for Sensor Placement Considerations. Drones.
  • Show author(s) (2022). The stable atmospheric boundary layer over snow-covered sea ice: Model evaluation with fine-scale ISOBAR18 observations. Quarterly Journal of the Royal Meteorological Society. 2031-2046.
  • Show author(s) (2022). Gradient-Based Turbulence Estimates from Multicopter Profiles in the Arctic Stable Boundary Layer. Boundary-Layer Meteorology. 321-353.
  • Show author(s) (2021). The Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer Project (ISOBAR) — Unique fine-scale observations under stable and very stable conditions . Bulletin of The American Meteorological Society - (BAMS). 218-243.
  • Show author(s) (2020). Unmanned Aircraft Get Together: The LAPSE-RATE Campaign . Bulletin of The American Meteorological Society - (BAMS). 590-596.
  • Show author(s) (2020). Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer.
  • Show author(s) (2019). The Multi-Purpose Airborne Sensor Carrier MASC-3 for Wind and Turbulence Measurements in the Atmospheric Boundary Layer. Sensors. 32 pages.
  • Show author(s) (2019). Intercomparison of small unmanned aircraft system (sUAS) measurements for atmospheric science during the LAPSE-RATE campaign. Sensors. 1-32.
  • Show author(s) (2019). Development of community, capabilities and understanding through unmanned aircraft-based atmospheric research: The LAPSE-RATE campaign. Bulletin of The American Meteorological Society - (BAMS).
  • Show author(s) (2018). Innovative strategies for observations in the Arctic atmospheric boundary layer (ISOBAR)—The Hailuoto 2017 Campaign. Atmosphere. 29 pages.
  • Show author(s) (2017). A surface-layer study of the transport and dissipation of turbulent kinetic energy and the variances of temperature, humidity and CO2. Boundary-Layer Meteorology. 211-231.
  • Show author(s) (2016). Similarity analysis of turbulent transport and dissipation for momentum, temperature, moisture and CO2 during BLLAST. Atmospheric Chemistry and Physics Discussions (ACPD).
  • Show author(s) (2016). Proof of concept for wind turbine wake investigations with the RPAS SUMO. Energy Procedia. 452-461.
  • Show author(s) (2016). Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign. Atmospheric Measurement Techniques. 4901-4913.
  • Show author(s) (2016). Exploring the potential of the RPA system SUMO for multipurpose boundary-layer missions during the BLLAST campaign. Atmospheric Measurement Techniques. 2675-2688.
  • Show author(s) (2014). Observations of summer turbulent surface fluxes in a High Arctic fjord. Quarterly Journal of the Royal Meteorological Society. 666-675.

More information in national current research information system (CRIStin)

Fields of competence 
Atmospheric Measurements
Offshore Wind Energy
Polar Meteorology
Remotely Piloted Aircraft Systems
Remote sensing
Turbulence
Wind Energy