Sitemap

A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.

Pages

Posts

portfolio

publications

Polychlorinated biphenyls in tree bark near former manufacturing and incineration facilities in Sauget, Illinois, United States

Published in Environmental Science & Technology, 50(12), 6207-6215, 2016

Recommended citation: Hermanson, M. H., Hann, R., Johnson, G. W. (2016). Polychlorinated biphenyls in tree bark near former manufacturing and incineration facilities in Sauget, Illinois, United States. Environmental Science & Technology, 50(12), 6207-6215. doi.org/10.1021/acs.est.6b01053
Download Paper

Aerodynamic modeling of the skywalker x8 fixed-wing unmanned aerial vehicle

Published in In 2018 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 826-835. IEEE, 2018

Recommended citation: Gryte, K., Hann, R., Alam, M., Roháč, J., Johansen, T.A., Fossen, T. I. (2018). Aerodynamic modeling of the skywalker x8 fixed-wing unmanned aerial vehicle. In 2018 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 826-835. IEEE. doi.org/10.1109/ICUAS.2018.8453370
Download Paper

Atmospheric Deposition of Organochlorine Pesticides and Industrial Compounds to Seasonal Surface Snow at Four Glacier Sites on Svalbard, 2013-2014

Published in Environmental Science & Technology, vol. 54, issue 15, pp. 9265–9273, 2020

Recommended citation: Hermanson, M.H., Isaksson E., Hann, R., Teixeira C.F., Muir D.C.G. (2020). Atmospheric Deposition of Organochlorine Pesticides and Industrial Compounds to Seasonal Surface Snow at Four Glacier Sites on Svalbard, 2013-2014. Environmental Science & Technology, vol. 54, issue 15, pp. 9265–9273. doi.org/10.1021/acs.est.0c01537
Download Paper

Long Range Path Planning Using an Aircraft Performance Model for Battery Powered sUAS Equipped with Icing Protection System

Published in IEEE Journal on Miniaturization for Air and Space Systems, 2020

Recommended citation: Hovenburg, A.R., Andrade, F.A.A., Hann, R., Rodin, C.D., Johansen, T.A., Storvold, R. (2020). Long Range Path Planning Using an Aircraft Performance Model for Battery Powered sUAS Equipped with Icing Protection System. IEEE Journal on Miniaturization for Air and Space Systems. doi.org/10.1109/JMASS.2020.3003833
Download Paper

Optimal Mission Planning for Fixed-Wing UAVs with Electro-Thermal Icing Protection and Hybrid-Electric Power Systems

Published in In 2020 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 651-660, IEEE, 2020

Recommended citation: Narum, E.F.L., Hann, R., Johansen, T.A. (2020). Optimal Mission Planning for Fixed-Wing UAVs with Electro-Thermal Icing Protection and Hybrid-Electric Power Systems. In 2020 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 651-660, IEEE. doi.org/10.1109/ICUAS48674.2020.9214054
Download Paper

Detection and Isolation of Propeller Icing and Electric Propulsion System Faults in Fixed-Wing UAVs

Published in In 2021 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 377-386, IEEE, 2021

Recommended citation: Haaland, O.M., Wenz, A.W., Gryte, K., Hann, R., Johansen, T.A. (2021). Detection and Isolation of Propeller Icing and Electric Propulsion System Faults in Fixed-Wing UAVs. In 2021 International Conference on Unmanned Aircraft Systems (ICUAS), pp. 377-386, IEEE. doi.org/10.1109/ICUAS51884.2021.9476695
Download Paper

Scientific Applications of Unmanned Vehicles in Svalbard

Published in SESS Report 2020, Svalbard Integrated Arctic Earth Observing System, 2021

Recommended citation: Hann, R., Altstädter, B., Betlem, P., Deja, K., Dragańska-Deja K., Ewertowski, M., Hartvich, F., Jonassen, M., Lampert, A., Laska, M., Sobota, I., Storvold, R., Tomczyk, A., Wojtysiak, K., Zagórski P. (2021). Scientific Applications of Unmanned Vehicles in Svalbard. SESS Report 2020, Svalbard Integrated Arctic Earth Observing System. doi.org/10.5281/zenodo.4293283
Download Paper

SIOS’s Earth Observation (EO), Remote Sensing (RS), and Operational Activities in Response to COVID-19

Published in Remote Sensing, 13(4), 712, 2021

Recommended citation: Jawak, S.D., Andersen, B.N., Pohjola, V., Godøy, Ø., Hübner, C., Jennings, I., Ignatiuk, D., Holmen, K., Sivertsen, A., Hann, R., Tømmervik, H., Kääb, A., Błaszczyk, M., Salzano, R., Luks, B., Høgda, K., Storvold, R., Nilsen, L., Salvatori, R., Krishnan, K.P., Chatterjee, S., Lorentzen, D.A., Erlandsson, R., Lauknes, T.R., Malnes, E., Karlsen, S.R., Enomoto, H., Fjæraa, A.M., Zhang, J., Marty, S., Nygård, K.O., Lihavainen, H. (2021). SIOS’s Earth Observation (EO), Remote Sensing (RS), and Operational Activities in Response to COVID-19. Remote Sensing, 13(4), 712. doi.org/10.3390/rs13040712
Download Paper

How Many Reindeer? UAV Surveys as an Alternative to Helicopter or Ground Surveys for Estimating Population Abundance in Open Landscapes

Published in Remote Sensing, 15(1), 9, 2023

Recommended citation: Paulsen, I.M.G., Pedersen, Å.Ø., Hann, R., Blanchet, M.-A., Eischeid, I., Van Hazendonk, C., Ravolainen, V.T., Stien, A., Le Moullec, M. (2023). How Many Reindeer? UAV Surveys as an Alternative to Helicopter or Ground Surveys for Estimating Population Abundance in Open Landscapes. Remote Sensing, 15(1), 9. doi.org/10.3390/rs15010009
Download Paper

Practical Guidelines for Scientific Application of Uncrewed Aerial Vehicles in Svalbard

Published in SESS Report 2022, Svalbard Integrated Arctic Earth Observing System, 2023

Recommended citation: Hann, R., Betlem, P., Deja, K., Ewertowski, M., Harm-Altstädter, B., Jonassen, M., Lampert, A., Laska, M., Sobota, I., Storvold, R., Tomczyk, A., Zagórski, P. (2023). Practical Guidelines for Scientific Application of Uncrewed Aerial Vehicles in Svalbard. SESS Report 2022, Svalbard Integrated Arctic Earth Observing System. doi.org/10.5281/zenodo.7371141
Download Paper

Ice Detection Technologies

Published in STO Technical Report, AVT-299 Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles, 2024

Recommended citation: Deiler, C., Veronesi, F., Raimondo, M., Mora, J., García, P., Frovel, M., Gagnon, B., Browne, T., Hann, R. (2024). Ice Detection Technologies. STO Technical Report, AVT-299 Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles.
Download Paper

Ice Protection Systems

Published in STO Technical Report, AVT-299 Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles, 2024

Recommended citation: Veronesi, F., Raimondo, M., Mingione, G., Martin, B., Hann, R., Håkonsen, V., Ki-Han, K., Nogues, J.M., Gagnon, B. (2024). Ice Protection Systems. STO Technical Report, AVT-299 Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles.
Download Paper

Surging glaciers in Svalbard: Current knowledge and perspectives for monitoring

Published in SESS Report 2024, Svalbard Integrated Arctic Earth Observing System, 2025

Recommended citation: Harcourt, W.D., Pearce, D.M., Gajek, W., Lovell, H., Luckman, A., Benn, D., Kohler, J., Kääb, A., Hann, R. (2025). Surging glaciers in Svalbard: Current knowledge and perspectives for monitoring. SESS Report 2024, Svalbard Integrated Arctic Earth Observing System. doi.org/10.5281/zenodo.14425522
Download Paper

Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles. STO Technical Report TR-AVT-299 – Executive Summary

Published in NATO Science and Technology Organization, 2026

Recommended citation: Benmeddour, A., Kim, K.-H., Blanchard, G., Agüero Bruna, A., Deiler, C., Frövel, M., Gagnon, R., García-Gallego, P., Håkonsen, V., Hawkins, C. J., Martin, B., Mingione, G., Mora-Nogués, J., Niemenmaa, R., Kreeger, E. R., Raimondo, M., Saracoglu, B., Uihlein, T., Van Beeck, J., Veronesi, F., Hann, R. et al. (2026). Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles. STO Technical Report TR-AVT-299 – Executive Summary, NATO Science and Technology Organization. doi.org/10.14339/STO-TR-AVT-299-ES-PDF
Download Paper

Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles. STO Technical Report TR-AVT-299

Published in NATO Science and Technology Organization, 2026

Recommended citation: Benmeddour, A., Kim, K.-H., Blanchard, G., Agüero Bruna, A., Deiler, C., Frövel, M., Gagnon, R., García-Gallego, P., Håkonsen, V., Hawkins, C. J., Martin, B., Mingione, G., Mora-Nogués, J., Niemenmaa, R., Kreeger, E. R., Raimondo, M., Saracoglu, B., Uihlein, T., Van Beeck, J., Veronesi, F., Hann, R. et al. (2026). Assessment of Anti-Icing and De-Icing Technologies for Air and Sea Vehicles. STO Technical Report TR-AVT-299, NATO Science and Technology Organization. doi.org/10.14339/STO-TR-AVT-299
Download Paper

Surging glaciers in Svalbard: Observing their distribution, characteristics and evolution

Published in Earth-Science Reviews, 275, 105410, 2026

Recommended citation: Harcourt, W. D., Pearce, D. M., Gajek, W., Lovell, H., Mannerfelt, E. S., Kääb, A., Benn, D. I., Luckman, A., Hann, R., Kohler, J., Strozzi, T., McCerery, R., Davies, B. J. (2026). Surging glaciers in Svalbard: Observing their distribution, characteristics and evolution. Earth-Science Reviews, 275, 105410. doi.org/10.1016/j.earscirev.2026.105410
Download Paper

Third Update to Scientific Applications of Uncrewed Vehicles in Svalbard

Published in SESS Report 2025, Svalbard Integrated Arctic Earth Observing System, 2026

Recommended citation: Hann, R., Bärfuß, K., Betlem, P., Ewertowski, M., Günzel, L., Jonassen, M., Lampert, A., Laska, M., Storvold, R., Sobota, I. (2026). Third Update to Scientific Applications of Uncrewed Vehicles in Svalbard. SESS Report 2025, Svalbard Integrated Arctic Earth Observing System. doi.org/10.5281/zenodo.17832158
Download Paper

talks

Thermal analysis of a heated rotor blade for wind turbines

Published:

Hann, R., Neumann, S. O., Miller, A., Dillingh, J. (2012). Thermal analysis of a heated rotor blade for wind turbines. Winterwind Conference, Skellefteå.

Recommended citation: Hann, R., Neumann, S. O., Miller, A., Dillingh, J. (2012). Thermal analysis of a heated rotor blade for wind turbines. Winterwind Conference, Skellefteå.

Applications of iced wind turbines noise simulations

Published:

Hann, R. (2016). Applications of iced wind turbines noise simulations. Winterwind Conference, Åre.

Recommended citation: Hann, R. (2016). Applications of iced wind turbines noise simulations. Winterwind Conference, Åre.

Cold Climate Wind Energy in Longyearbyen, 78°N

Published:

Hann, R., Veshniakova, L., Romero, M., Cicilio, P.R. (2017). Cold Climate Wind Energy in Longyearbyen, 78°N. Arctic Change Conference, Québec City.

Recommended citation: Hann, R., Veshniakova, L., Romero, M., Cicilio, P.R. (2017). Cold Climate Wind Energy in Longyearbyen, 78°N. Arctic Change Conference, Québec City.

Icing on Unmanned Aerial Vehicles (UAVs)

Published:

Hann, R. (2018). Icing on Unmanned Aerial Vehicles (UAVs). Wind Turbine Icing & Ice Prevention Forum, Berlin.

Recommended citation: Hann, R. (2018). Icing on Unmanned Aerial Vehicles (UAVs). Wind Turbine Icing & Ice Prevention Forum, Berlin.

Icing Protection Systems for UAVs in the Arctic

Published:

Hann, R. (2018). Icing Protection Systems for UAVs in the Arctic. Arctic Change Conference, Ottawa.

Recommended citation: Hann, R. (2018). Icing Protection Systems for UAVs in the Arctic. Arctic Change Conference, Ottawa.

Wind Turbine Noise due to Icing

Published:

Hann, R. (2018). Wind Turbine Noise due to Icing. Wind Turbine Icing & Ice Prevention Forum, Berlin.

Recommended citation: Hann, R. (2018). Wind Turbine Noise due to Icing. Wind Turbine Icing & Ice Prevention Forum, Berlin.

Glacier Mapping and Wind Estimation with UAVs on Svalbard

Published:

Hann, R., Hodson, A., Jonassen, M. (2019). Glacier Mapping and Wind Estimation with UAVs on Svalbard. Svalbard Science Conference, Oslo.

Recommended citation: Hann, R., Hodson, A., Jonassen, M. (2019). Glacier Mapping and Wind Estimation with UAVs on Svalbard. Svalbard Science Conference, Oslo.

A CFD benchmark study of ice accretion on a wind turbine blade and a comparison to the ice accretion of a rotating blade cylinder model

Published:

Lindvall, J., Lee, L., Virk, M.S., Jin, J.Y., Lehtomäki, V., Hann, R., Revstedt, J. (2020). A CFD benchmark study of ice accretion on a wind turbine blade and a comparison to the ice accretion of a rotating blade cylinder model. Winterwind Conference, Åre.

Recommended citation: Lindvall, J., Lee, L., Virk, M.S., Jin, J.Y., Lehtomäki, V., Hann, R., Revstedt, J. (2020). A CFD benchmark study of ice accretion on a wind turbine blade and a comparison to the ice accretion of a rotating blade cylinder model. Winterwind Conference, Åre.

Applications of Unmanned Aerial Vehicles in Svalbard

Published:

Hann, R. (2020). Applications of Unmanned Aerial Vehicles in Svalbard. Arctic Change Conference, Longyearbyen.

Recommended citation: Hann, R. (2020). Applications of Unmanned Aerial Vehicles in Svalbard. Arctic Change Conference, Longyearbyen.

Deposition of polychlorinated biphenyls to ice cores at opposite polar sites: Holtedahlfonna, Svalbard and Site M, Antarctica

Published:

Hermanson, M.H., Isaksson, E., Hann, R., Teixeira, C., Muir, D.C.G. (2020). Deposition of polychlorinated biphenyls to ice cores at opposite polar sites: Holtedahlfonna, Svalbard and Site M, Antarctica. SETAC Europe 30th Annual Meeting, Dublin.

Recommended citation: Hermanson, M.H., Isaksson, E., Hann, R., Teixeira, C., Muir, D.C.G. (2020). Deposition of polychlorinated biphenyls to ice cores at opposite polar sites: Holtedahlfonna, Svalbard and Site M, Antarctica. SETAC Europe 30th Annual Meeting, Dublin.

Icing on UAVs

Published:

Hann, R. (2020). Icing on UAVs. Invited talk, Advanced Modeling & Simulation (AMS) Seminar Series, NASA, Ames.

Recommended citation: Hann, R. (2020). Icing on UAVs. Invited talk, Advanced Modeling & Simulation (AMS) Seminar Series, NASA, Ames.

Opportunities and Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic

Published:

Hann, R. (2020). Opportunities and Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic. SIOS Polar Night Week Conference, Longyearbyen.

Recommended citation: Hann, R. (2020). Opportunities and Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic. SIOS Polar Night Week Conference, Longyearbyen.

Overview of Unsettled Topics in UAV Icing

Published:

Hann, R. (2020). Overview of Unsettled Topics in UAV Icing. SAE International AeroTech Digital Summit, Online.

Recommended citation: Hann, R. (2020). Overview of Unsettled Topics in UAV Icing. SAE International AeroTech Digital Summit, Online.

The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Propeller

Published:

Müller, N., Hann, R., Lutz, T. (2020). The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Propeller. Deutscher Luft- und Raumfahrtkongress (DLRK), Online.

Recommended citation: Müller, N., Hann, R., Lutz, T. (2020). The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Propeller. Deutscher Luft- und Raumfahrtkongress (DLRK), Online.

A comparison of PCB congener, organochlorine pesticide, and industrial compound burdens in firn and ice cores from Antarctica and Svalbard

Published:

Hermanson, M.H., Isaksson, E., Hann, R., Ruggirello, R.M., Teixeira, C., Muir, D.C.G. (2021). A comparison of PCB congener, organochlorine pesticide, and industrial compound burdens in firn and ice cores from Antarctica and Svalbard. SETAC North America 42nd Annual Meeting, Online.

Recommended citation: Hermanson, M.H., Isaksson, E., Hann, R., Ruggirello, R.M., Teixeira, C., Muir, D.C.G. (2021). A comparison of PCB congener, organochlorine pesticide, and industrial compound burdens in firn and ice cores from Antarctica and Svalbard. SETAC North America 42nd Annual Meeting, Online.

Applications of Unmanned Vehicles in Svalbard

Published:

Hann, R. (2021). Applications of Unmanned Vehicles in Svalbard. SIOS Online Conference on Remote Sensing in Svalbard, Online.

Recommended citation: Hann, R. (2021). Applications of Unmanned Vehicles in Svalbard. SIOS Online Conference on Remote Sensing in Svalbard, Online.

Applications of Unmanned Vehicles in Svalbard

Published:

Hann, R. (2021). Applications of Unmanned Vehicles in Svalbard. Arctic Science Summit Week, Online.

Recommended citation: Hann, R. (2021). Applications of Unmanned Vehicles in Svalbard. Arctic Science Summit Week, Online.

Atmospheric icing as a hazard to unmanned aircraft applications

Published:

Hann, R. (2021). Atmospheric icing as a hazard to unmanned aircraft applications. Arctic Safety Conference, Longyearbyen.

Recommended citation: Hann, R. (2021). Atmospheric icing as a hazard to unmanned aircraft applications. Arctic Safety Conference, Longyearbyen.

Hazards of In-flight Icing on Unmanned Aircraft

Published:

Hann, R. (2021). Hazards of In-flight Icing on Unmanned Aircraft. SAE Business of Automated Mobility (BAM) Forum, Online.

Recommended citation: Hann, R. (2021). Hazards of In-flight Icing on Unmanned Aircraft. SAE Business of Automated Mobility (BAM) Forum, Online.

How to publish a paper

Published:

Hann, R. (2021). How to publish a paper. SCOPE – 1st student-led conference on Polar Environment, Longyearbyen.

Recommended citation: Hann, R. (2021). How to publish a paper. SCOPE – 1st student-led conference on Polar Environment, Longyearbyen.

SESS Report Release: Scientific Applications of Unmanned Vehicles in Svalbard

Published:

Hann, R. (2021). SESS Report Release: Scientific Applications of Unmanned Vehicles in Svalbard. SIOS Polar Night Week, Longyearbyen.

Recommended citation: Hann, R. (2021). SESS Report Release: Scientific Applications of Unmanned Vehicles in Svalbard. SIOS Polar Night Week, Longyearbyen.

Synergies between icing on wind turbines and UAVs

Published:

Hann, R. (2021). Synergies between icing on wind turbines and UAVs. Winterwind Conference, Online.

Recommended citation: Hann, R. (2021). Synergies between icing on wind turbines and UAVs. Winterwind Conference, Online.

The Role of Glacier Crevasses in the Context of Climate Change

Published:

Hann, R. (2021). The Role of Glacier Crevasses in the Context of Climate Change. Svalbard Science Conference, Oslo.

Recommended citation: Hann, R. (2021). The Role of Glacier Crevasses in the Context of Climate Change. Svalbard Science Conference, Oslo.

UAV Icing – The freezing barrier for the future of aviation

Published:

Hann, R. (2022). UAV Icing – The freezing barrier for the future of aviation. AMOS Days November 2022, Trondheim.

Recommended citation: Hann, R. (2022). UAV Icing – The freezing barrier for the future of aviation. AMOS Days November 2022, Trondheim.

Update to Scientific Applications of Unmanned Vehicles in Svalbard

Published:

Hann, R. (2022). Update to Scientific Applications of Unmanned Vehicles in Svalbard. SIOS Polar Night Week 2022, Longyearbyen.

Recommended citation: Hann, R. (2022). Update to Scientific Applications of Unmanned Vehicles in Svalbard. SIOS Polar Night Week 2022, Longyearbyen.

Mapping glaciers & counting reindeer: drone applications in Svalbard

Published:

Hann, R. (2023). Mapping glaciers & counting reindeer: drone applications in Svalbard. Svalbard Science Conference, Oslo.

Recommended citation: Hann, R. (2023). Mapping glaciers & counting reindeer: drone applications in Svalbard. Svalbard Science Conference, Oslo.

The challenge of atmospheric in-flight icing on RPAS

Published:

Hann, R. (2023). The challenge of atmospheric in-flight icing on RPAS. 8th ISARRA Conference (International Society for Atmospheric Research using Remotely-piloted Aircraft), Bergen.

Recommended citation: Hann, R. (2023). The challenge of atmospheric in-flight icing on RPAS. 8th ISARRA Conference (International Society for Atmospheric Research using Remotely-piloted Aircraft), Bergen.

Challenges in In-flight Icing for Disruptive Aircraft Designs and AAM

Published:

Hann, R., Broeren, A., Leopold, D., Botura, G., Pellicano, P., Goyal, R. (2024). Challenges in In-flight Icing for Disruptive Aircraft Designs and AAM. Invited panel discussion, AIAA Aviation Forum and Ascend, Las Vegas.

Recommended citation: Hann, R., Broeren, A., Leopold, D., Botura, G., Pellicano, P., Goyal, R. (2024). Challenges in In-flight Icing for Disruptive Aircraft Designs and AAM. Invited panel discussion, AIAA Aviation Forum and Ascend, Las Vegas.

Frozen Pollutants: Organic Contaminants in Svalbard Snow & Ice

Published:

Hermanson, M.H., Isaksson, E, Hann, R., Gabrielsen, G.W. (2024). Frozen Pollutants: Organic Contaminants in Svalbard Snow & Ice. Arctic Frontiers Conference 2024, Tromsø.

Recommended citation: Hermanson, M.H., Isaksson, E, Hann, R., Gabrielsen, G.W. (2024). Frozen Pollutants: Organic Contaminants in Svalbard Snow & Ice. Arctic Frontiers Conference 2024, Tromsø.

Investigating the signature of a tidewater glacier surge behaviour using geomorphological, sedimentological and geotechnical data, Borebreen, Svalbard

Published:

Pearce, D.M., Harcourt, W.D., Gajek, W., Hann, R., Rea, B.R., Benn, D.I., Lovell, H., Spagnolo, M. (2024). Investigating the signature of a tidewater glacier surge behaviour using geomorphological, sedimentological and geotechnical data, Borebreen, Svalbard. General Assembly of the European Geosciences Union (EGU24), Vienna.

Recommended citation: Pearce, D.M., Harcourt, W.D., Gajek, W., Hann, R., Rea, B.R., Benn, D.I., Lovell, H., Spagnolo, M. (2024). Investigating the signature of a tidewater glacier surge behaviour using geomorphological, sedimentological and geotechnical data, Borebreen, Svalbard. General Assembly of the European Geosciences Union (EGU24), Vienna.

Progress, Insights, and Future Direction in UAV Icing

Published:

Hann, R. (2024). Progress, Insights, and Future Direction in UAV Icing. Keynote presentation, 2nd International UAV Icing Workshop, Trondheim.

Recommended citation: Hann, R. (2024). Progress, Insights, and Future Direction in UAV Icing. Keynote presentation, 2nd International UAV Icing Workshop, Trondheim.

Surge initiation at the terminus of Borebreen (Svalbard): Drivers and impact on calving

Published:

Harcourt, W.D, Gajek, W., Pearce, D., Hann, R., Luckman, A., Rea, B.R., Benn, D.I., James, M.R, Spagnolo, M., Nanni, U. (2024). Surge initiation at the terminus of Borebreen (Svalbard): Drivers and impact on calving. General Assembly of the European Geosciences Union (EGU24), Vienna.

Recommended citation: Harcourt, W.D, Gajek, W., Pearce, D., Hann, R., Luckman, A., Rea, B.R., Benn, D.I., James, M.R, Spagnolo, M., Nanni, U. (2024). Surge initiation at the terminus of Borebreen (Svalbard): Drivers and impact on calving. General Assembly of the European Geosciences Union (EGU24), Vienna.

The icing barrier for clean aviation

Published:

Hann, R. (2024). The icing barrier for clean aviation. NTNU and Rolls Royce Clean Aviation Evening, Trondheim.

Recommended citation: Hann, R. (2024). The icing barrier for clean aviation. NTNU and Rolls Royce Clean Aviation Evening, Trondheim.

Applications of the Observational Pyramid in Glaciology

Published:

Hann, R. (2025). Applications of the Observational Pyramid in Glaciology. Ny-Ålesund Glaciology Flagship Meeting, Oslo.

Recommended citation: Hann, R. (2025). Applications of the Observational Pyramid in Glaciology. Ny-Ålesund Glaciology Flagship Meeting, Oslo.

Arctic Drone Applications for FAIR Data Management

Published:

Hann, R. (2025). Arctic Drone Applications for FAIR Data Management. Invited speaker, NTNU Research Data Infrastructure Day, Trondheim.

Recommended citation: Hann, R. (2025). Arctic Drone Applications for FAIR Data Management. Invited speaker, NTNU Research Data Infrastructure Day, Trondheim.

Drones in the Arctic – cold climate challenges for UAVs

Published:

Hann, R. (2025). Drones in the Arctic – cold climate challenges for UAVs. Invited speaker, Cold Weather Operations Conference (CWOC), Hamar.

Recommended citation: Hann, R. (2025). Drones in the Arctic – cold climate challenges for UAVs. Invited speaker, Cold Weather Operations Conference (CWOC), Hamar.

Icing on Emerging Aircraft: Research Needs for UAVs and Beyond

Published:

Hann, R. (2025). Icing on Emerging Aircraft: Research Needs for UAVs and Beyond. Invited speaker, European Aerospace Science Network (EASN) Research Webinars, Online.

Recommended citation: Hann, R. (2025). Icing on Emerging Aircraft: Research Needs for UAVs and Beyond. Invited speaker, European Aerospace Science Network (EASN) Research Webinars, Online.

New Frontiers of Aircraft Icing: UAVs and Beyond

Published:

Hann, R. (2025). New Frontiers of Aircraft Icing: UAVs and Beyond. Invited speaker, Aircraft Icing Forum (hosted by FAA and NASA), Online.

Recommended citation: Hann, R. (2025). New Frontiers of Aircraft Icing: UAVs and Beyond. Invited speaker, Aircraft Icing Forum (hosted by FAA and NASA), Online.

The icing barrier – challenges and solutions for in-flight icing on UAVs

Published:

Hann, R. (2025). The icing barrier – challenges and solutions for in-flight icing on UAVs. Invited speaker, Defense Leaders - Navy Tech, Helsinki.

Recommended citation: Hann, R. (2025). The icing barrier – challenges and solutions for in-flight icing on UAVs. Invited speaker, Defense Leaders - Navy Tech, Helsinki.

From Drones to Wind Turbines: Shared Challenges in Atmospheric Icing

Published:

Hann, R. (2026). From Drones to Wind Turbines: Shared Challenges in Atmospheric Icing. Invited speaker, Winterwind, Sundsvall.

Recommended citation: Hann, R. (2026). From Drones to Wind Turbines: Shared Challenges in Atmospheric Icing. Invited speaker, Winterwind, Sundsvall.

Observing Marine-Terminating Glaciers: A Combined Aerial and Underwater Methodology in Ice-Covered Fjords

Published:

Guenzel, L., Hann, R., Lockhart, K. B., Kleber, G., Ludvigsen, M. (2026). Observing Marine-Terminating Glaciers: A Combined Aerial and Underwater Methodology in Ice-Covered Fjords. 2026 Ocean Sciences Meeting (AGU).

Recommended citation: Guenzel, L., Hann, R., Lockhart, K. B., Kleber, G., Ludvigsen, M. (2026). Observing Marine-Terminating Glaciers: A Combined Aerial and Underwater Methodology in Ice-Covered Fjords. 2026 Ocean Sciences Meeting (AGU).

Synergies in Atmospheric Icing: From UAVs to Wind Energy Systems

Published:

Hann, R. (2026). Synergies in Atmospheric Icing: From UAVs to Wind Energy Systems. Invited keynote speaker, Winterwind, Sundsvall.

Recommended citation: Hann, R. (2026). Synergies in Atmospheric Icing: From UAVs to Wind Energy Systems. Invited keynote speaker, Winterwind, Sundsvall.

The Icing Barrier: Enabling Safe UAV Operations in Cold Climates

Published:

Hann, R. (2026). The Icing Barrier: Enabling Safe UAV Operations in Cold Climates. Invited speaker, Unmanned Nordic Conference (UNC), Oslo.

Recommended citation: Hann, R. (2026). The Icing Barrier: Enabling Safe UAV Operations in Cold Climates. Invited speaker, Unmanned Nordic Conference (UNC), Oslo.

teaching