Hanne Sagen

Research interests
Sagen is a researcher at the Nansen Environmental and Remote Sensing Center. Her expertise is in applied mathematics specialized within ocean acoustic. Her research interests are focused on using new technologies for observing the Arctic environment, such as acoustic tomography, passive acoustics, floats and gliders. She was deputy-coordinator in the EU projects (AMOC (1998-2001) and ACOBAR (2008-2013)), and she led the follow up ACOBAR II project funded by RCN project.
Sagen has led the development of the acoustic tomography system in the Fram Strait, and coordinated annual ocean/acoustic cruises to the Fram Strait since 2007 (involving open ocean vessel, icebreakers and aircraft missions). Currently, Sagen lead the UNDER-ICE – Arctic Ocean under melting ice; and she is the deputy coordinator of the EU project INTAROS - Integrated Arctic Observation System. Sagen has a strong international network in USA, and Europe within research and technologies.
Sagen is a member of the Acoustical Society of America and she is a member of the Norwegian Scientific Academy for Polar Research. She has served as member in research programmes committees in the Norwegian Research Council, and is a former member of the Norwegian National International Polar Year Committee (2004-2005). She is member of the ITU/WMO/UNESCO-IOC Joint Task Force (JTF) - Green Cables sin 2013 and of the scientific steering committee of the International Quiet Ocean Experiment (SCOR committee) from 2016.She received her Cand.mag. in 1985, Cand. Scient. in 1987 and Dr. Scient. in 1998 in applied mathematics from the University of Bergen, Norway.
Project leader of the following projects
Project deputy leader of the following projects
Peer Review Publications and Books
2023
-
Observations of the space/time scales of Beaufort sea acoustic duct variability and their impact on transmission loss via the mode interaction parameter. Journal of the Acoustical Society of America. 2023;153(5).
2022
-
Multidisciplinary Moorings in the Arctic and Coastal Areas. University of Bergen. [Internet]. 2022. Available from: https://hdl.handle.net/11250/3001633.
-
Upper-ocean hydrography in the Eurasian Basin and its implication on sound speed. [Internet]. 2022. Available from: https://hdl.handle.net/11250/3014836.
2021
-
Inversion of surficial sediment thickness from under-ice acoustic transmission measurement. Journal of the Acoustical Society of America. 2021;149(1)..
-
Envisioning a global multi-purpose ocean acoustic network. Marine Technology Society journal. 2021;55(3)..
-
Analysis of signal propagation in the UNDER-ICE experiment. Proceedings of Meetings on Acoustics (POMA). 2021;44(070031)..
-
A dataset of underwater passive acoustic recordings from a 2-year mooring deployment in Fram Strait (UNDER-ICE). Proceedings of Meetings on Acoustics (POMA). 2021;.
-
Using ice-ocean environment from GECCO reanalysis into Bellhop to better understand sound propagation in the Fram Strait. Proceedings of Meetings on Acoustics (POMA). 2021;4(1)..
-
Analysis of passive acoustic in situ observing systems in the Arctic Ocean using ARCMAP. Proceedings of Meetings on Acoustics (POMA). 2021;44(070018)..
2020
-
Ocean Acoustics in the rapidly changing Arctic. Journal of the Acoustical Society of America. 2020;16(1)..
-
Using a regional ocean model to understand the structure and variability of acoustic arrivals in Fram Strait. Journal of the Acoustical Society of America. 2020;147(2)..
2019
-
A Framework for the Development, Design and Implementation of a Sustained Arctic Ocean Observing System. Frontiers in Marine Science. 2019;
2018
-
GPS data from sea ice trackers deployed in Fram Strait in 2016. Data in Brief. 2018;18..
2017
-
Resolution, identification, and stability of broadband acoustic arrivals in Fram Strait. Journal of the Acoustical Society of America. 2017;141(3).
-
Measured and modeled acoustic propagation underneath the rough Arctic sea-ice. Journal of the Acoustical Society of America. 2017;141..
Other Publications
2022
-
Introduction to the special issue on ocean acoustics in the changing arctic [Internet]. 2022;151. Available from: https://asa.scitation.org/doi/pdf/10.1121/10.0010308.
2020
2019
-
.
-
A Framework for the Development, Design and Implementation of a Sustained Arctic Ocean Observing System [Internet]. 2019;6. Available from: http://hdl.handle.net/11250/2609560
-
Observing the Oceans Acoustically. 2019;6..
2013
-
Multipurpose Acoustic Networks in the Integrated Arctic Ocean Observing System - AOS 2013. Arctic Observing Summit 2013. 2013;
2011
-
Orgelpiper måler havtemperaturen i Arktis. Teknisk Ukeblad. 2011;158(04/3):75..
2010
-
Acoustic technologies for observing the interior of the Arctic Ocean [Internet]. Ocean Obs´09: Sustained Ocean Observations and Information for Society. 2010;Available from: http://www.oceanobs09.net/
-
The fram Strait tomography system for ocean model validation, assimilation, and inversion. IPY - Oslo Science Conference. 2010;