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Stephan Kral

Researcher, PhD Student
  • E-mailStephan.Kral@uib.no
  • Phone+47 481 93 900
  • Visitor Address
    Allegt. 70
  • Postal Address
    Postboks 7803
    5020 BERGEN

Reserach interest

  • Stable Atmospheric Boundary Layer
  • Atmospheric turbulence
  • Air-ice-sea interactions
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. 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
Academic article
  • 2019. The Multi-Purpose Airborne Sensor Carrier MASC-3 for Wind and Turbulence Measurements in the Atmospheric Boundary Layer. Sensors. 32 pages.
  • 2019. Intercomparison of small unmanned aircraft system (sUAS) measurements for atmospheric science during the LAPSE-RATE campaign. Sensors. 1-32.
  • 2019. Development of community, capabilities and understanding through unmanned aircraft-based atmospheric research: The LAPSE-RATE campaign. Bulletin of The American Meteorological Society - (BAMS).
  • 2018. Innovative strategies for observations in the Arctic atmospheric boundary layer (ISOBAR)—The Hailuoto 2017 Campaign. Atmosphere. 29 pages.
  • 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.
  • 2016. Similarity analysis of turbulent transport and dissipation for momentum, temperature, moisture and CO2 during BLLAST. Atmospheric Chemistry and Physics Discussions.
  • 2016. Proof of concept for wind turbine wake investigations with the RPAS SUMO. Energy Procedia. 452-461.
  • 2016. Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign. Atmospheric Measurement Techniques. 4901-4913.
  • 2016. Exploring the potential of the RPA system SUMO for multipurpose boundary-layer missions during the BLLAST campaign. Atmospheric Measurement Techniques. 2675-2688.
  • 2014. Observations of summer turbulent surface fluxes in a High Arctic fjord. Quarterly Journal of the Royal Meteorological Society. 666-675.
Report
  • 2018. BASIC:-Boundary Layers in the Arctic Atmosphere, Seas and Ice Dynamics - SKD Strategic Project January 2015 – December 2017. 388. 388. .
  • 2014. Guidebook for Enhancing Resilience of European Road Transport in Extreme Weather Events . .
  • 2014. Guidebook for Enhancing Resilience of European Air Traffic in Extreme Weather Events . .
Lecture
  • 2016. The ISOBAR project (2016–2018) – Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
Academic lecture
  • 2020. Observations and simulations from an arctic fjord and valley environment in Svalbard.
  • 2019. Wind- und Turbulenzmessung in stabiler Grenzschicht mit kleinen unbemannten Luftfahrzeugen während zweier ISOBAR Kampagnen im nördlichen Finnland.
  • 2019. The ISOBAR Project on stable boundary layers - Current status on data analysis and results.
  • 2019. Synthesis and validation of meteorological parameters from different RPAS during the ISOBAR campaigns at Hailuoto.
  • 2018. Wind and Turbulence Measurements with RPA during the ISOBAR Campaign.
  • 2018. The two ISOBAR Stable Boundary Layer Field Campains at Hailuoto, Finland in 2017 and 2018: Experimental Setup and First Results.
  • 2018. The two ISOBAR Stable Boundary Layer Field Campaigns at Hailuoto, Finland in 2017 and 2018: Experimental Setup and First Results.
  • 2018. The Two ISOBAR Stable Boundary Layer Field Campains at Hailuoto, Finland in 2017 and 2018: Experimental Setup and First Results.
  • 2018. The Innovative Strategies for Observations in the Arctic Atmospheric Boundary LAyeR (ISOBAR) Field Campaign: Perspectives from the University of Oklahoma.
  • 2018. The ISOBAR project on stable boundary layers – The two campaigns on Hailuoto 2017 and 2018.
  • 2018. RPAS observation on the structure and evolution of the Atmospheric Boundary Layer during the two ISOBAR field campaigns on Hailuoto, 2017 and 2018.
  • 2018. Advances in the Measurements of the Structure Function Parameter for Temperature Using a Small Unmanned Aircraft System.
  • 2018. Advances in the Estimation of the Structure Function Parameter for Temperature Using a Small Unmanned Aircraft System.
  • 2017. Two new RPAS for atmospheric boundary layer research based on an off-the-shelf model aircraft and the Paparazzi autopilot .
  • 2017. RPAS based observation on the Arctic Boundary Layer during the ISOBAR campaigns on Andøya and Hailuoto.
  • 2016. The ISOBAR project (2016-2018) - Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
  • 2016. Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign.
  • 2015. Yaw angle estimation for the measurement of turbulent fluxes from the Small Unmanned Meteorological Observer (SUMO).
  • 2015. Wind turbine wake measurements with the RPAS SUMO.
  • 2015. Turbulence measurements from the RPAS SUMO during BLLAST.
  • 2014. Turbulent flux measurements in the Arctic Boundary Layer using the Small Unmanned Meteorological Observer (SUMO).
  • 2010. Analysis of Arctic Stable Boundary Layers during the ISOBAR Field Campaign.
Database
  • 2017. N-ICE2015 sodar wind data.
Poster
  • 2018. Wind and Turbulence Measurements with RPA during the ISOBAR Campaign 2017.
  • 2018. Wind and Turbulence Measurements with RPA during the ISOBAR Campaign 2017.
  • 2016. UAVs in the Iceland Sea Project.
  • 2016. The ISOBAR project (2016–2018) – Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
  • 2016. SUMO operations in harsh environments.
  • 2016. SUMO operation during the BLLAST campaign - Experiences and results.
  • 2016. Proof of concept for wind turbine wake investigations with the RPAS SUMO.
  • 2016. Observations on the Arctic Boundary Layer using the Small Unmanned Meteorological Observer (SUMO) during polar night .
  • 2016. OBLO instrumentation at FINO1.
  • 2015. Experimental Meteorology Group at the Geophysical Institute Bergen.
  • 2014. Overview of Best Practices in Mitigating the Impact of Natural Disasters and Extreme Weather Phenomena on European Aviation – The MOWE-IT Project .
  • 2013. The impact of thunderstorm activity on the European air traffic system .

More information in national current research information system (CRIStin)