Biblio

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Journal Article
Dushaw, B., Sagen, H. & Beszczynska-Møller, A. Sound speed as a proxy variable to temperature in Fram Strait. Journal of the Acoustical Society of America 140, (2016). Download: dushaw_etal_2016_sound_speed_as_a_proxy_variable_to_temperature_in_fram_strait.pdf (1.22 MB)
Sagen, H. & Dushaw, B. Time series of temperature in Fram Strait determined from the 2008–2009 DAMOCLES acoustic tomography measurements and an ocean model. Journal of Geophysical Research - Oceans 121, (2016). Download: sagen_et_al-2016-time_seried_of_temperature_in_fram_strait_determined_from_the_2008-2009_damocles_acoustic_tomography_measurements_and_an_ocean_model.pdf (7.5 MB)
Sagen, H., et al. Time series of temperature in Fram Strait determined from the 2008-2009 DAMOCLES acoustic tomography measurements and an ocean model. Journal of Geophysical Research (JGR): Oceans 121, (2016).
Tjøtta, J.N., Sagen, H. & Tjøtta, S. Transmission of a sound beam across a two-fluid interface: Numerical results and asymptotic expressions. Journal Acoustical Society of America 85, 24-38 (1989).
Hu, S., Sagen, H., Storheim, E., Chen, W. & Yin, J. Using ice-ocean environment from GECCO reanalysis into Bellhop to better understand sound propagation in the Fram Strait. Proceedings of Meetings on Acoustics (POMA) 4, (2021).
Magazine Article
Sagen, H., Sandven, S. & Beszczynska-Möller, A. Orgelpiper måler havtemperaturen i Arktis. Teknisk Ukeblad 158, 75 (2011). Download: Orgelpiper måler havtemperaturen i Arktis.pdf (1.43 MB)
Miscellaneous
Lee, C.M., et al. A Framework for the Development, Design and Implementation of a Sustained Arctic Ocean Observing System. 6, (2019). Abstract
Worcester, P.F., Badley, M. & Sagen, H. Introduction to the special issue on ocean acoustics in the changing arctic. 151, (2022).
Mathisen, J.P., Sagen, H. & Stephens, R. Metocean measurements in cold regions and ice forecasting system for the Barents Sea. (2005).
Howe, B.M., et al. Observing the Oceans Acoustically. (2019).doi:10.3389/fmars.2019.00426 Abstract
Howe, B.M., et al. Observing the Oceans Acoustically. 6, (2019). Abstract
Poster
Sagen, H., et al. The fram Strait tomography system for ocean model validation, assimilation, and inversion. IPY - Oslo Science Conference (2010). Download: The Fram Strait tomography system for ocean model validation, assimilation, and inversion.pdf (98.42 KB); Tomography-poster_1259_compressed.pdf (212.88 KB)
Haugen, S.A., et al. Use of acoustic Travel Times for ocean model validation, and assimilation. (2010). Download: Poster-acoustics-SveinAH.pdf (1.38 MB)
Report
Johannessen, O.M., et al. Acoustic monitoring of the Ocean climate in the Arctic Ocean (AMOC) Final report. (2001).
Johannessen, O.M., Stark, K., Payne, S. & Sagen, H. Ambient Noise in the Marginal Ice Zone. (1988).
Hamre, T., et al. AMOC Task 1 Report Compilation and analysis of existing ocean and ice data. NERSC Technical Report no. 162 (1998).
Sagen, H., Johannessen, O.M., Hobæk, H.H., Hamre, T. & Sandven, S. AMOC Task 3 Report - Simulation of the effect of integrated temperature change on acoustic propagation. (2001).
Sagen, H., et al. AOEM deliverable D9 - Final report on design of the acoustic network for acoustic tomography, underwater navigation and passive listening in the Fram Strait. Report under the Arctic demo mission AOEM under the ESONET -NoE (2011). Download: 
Johannessen, O.M., Sagen, H. & Naugolnykh, K.A. Concept study of acoustic monitoring of temperature and current changes in the Fram Strait. NERSC Technical Report no. 196. AMOC Task report 4 (2001).
Sandven, S., et al. Cryosat pre-launch cal-val studies of sea ice thickness. (2005).
Sagen, H., Dumont, D., Beszczynska-Möller, A., Haugen, S.A. & Sandven, S. DAMOCLES deliverable D4.1-06 - Report describing the validation experiment of FRAM strait model. DAMOCLES deliverable D4.1-06 (2010). Download: 
Abrahamsen, J., et al. DAMOCLES deliverable D8.2-02. Technically tested acoustic tomography source and one receiver array with acoustic modems and moorings. DAMOCLES deliverable D8.2-02. (2007).
Sagen, H., et al. Design and specification of the ACOBAR acoustic array in the Fram Strait. ACOBAR Deliverable D1.2 53 (2011). Download: 
Evensen, G., et al. Envisat monitoring and forecasting services for offshore industry, EMOFOR. NERSC Technical Report no. 247 (2003).
Spikes, C., et al. Final EAR for the ACOBAR Acoustic tomography experiment in the Fram Strait. (2009).
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