- E-mailstephan.kral@uib.no
- Visitor AddressAllégaten 705007 Bergen
- Postal AddressPostboks 78035020 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
- 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
- 2016. Proof of concept for turbulence measurements with the RPAS SUMO during the BLLAST campaign.
- 2016. The ISOBAR project (2016–2018) – Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
- 2016. The ISOBAR project (2016-2018) - Observations on the stable polar Atmospheric Boundary Layer from Remotely Piloted Aircraft Systems.
- 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
- 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
- 2016. Boundary-Layer Study at FINO1.
- 2016. OBLO instrumentation at FINO1.
- 2016. Proof of concept for wind turbine wake investigations with the RPAS SUMO.
- 2015. Turbulence measurements from the RPAS SUMO during BLLAST.
- 2015. Wind turbine wake measurements with the RPAS SUMO.
- 2015. Yaw angle estimation for the measurement of turbulent fluxes from the Small Unmanned Meteorological Observer (SUMO).
- 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:
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
- (2023). Flow Structure around a Multicopter Drone: A Computational Fluid Dynamics Analysis for Sensor Placement Considerations. Drones.
- (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.
- (2022). Gradient-Based Turbulence Estimates from Multicopter Profiles in the Arctic Stable Boundary Layer. Boundary-Layer Meteorology. 321-353.
- (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.
- (2020). Unmanned Aircraft Get Together: The LAPSE-RATE Campaign . Bulletin of The American Meteorological Society - (BAMS). 590-596.
- (2020). Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer.
- (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 (ACPD).
- (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.
More information in national current research information system (CRIStin)