Biblio

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Book Chapter
Johannessen OM, Sagen H, Hamre T, Hobæk HH, Hasselmann K, Maier-Reimer E, Mikolajewicz U, Wadhams P, Kaletzky A, Bobylev L, et al. Acoustic Monitoring of Ocean Climate in the Arctic (AMOC). In: Referee paper in "Operational oceanography - Implementation at the european and regional scales. proceedings of the 2nd EuroGOOS International Conference, Rome, 11-13 March, 1999. Elsevier Oceanography Series. Referee paper in "Operational oceanography - Implementation at the european and regional scales. proceedings of the 2nd EuroGOOS International Conference, Rome, 11-13 March, 1999. Elsevier Oceanography Series. ; 2002. p. .
Johannessen OM, Sagen H, Nesse Ø, Engelsen I, Sandven S. Ambient noise generation by ice-ocean jets, eddies and tidal current in the marginal ice zone. In: European Conference on Underwater Acoustics. European Conference on Underwater Acoustics. ; 1992. p. 28-38.
Sagen H, Johannessen OM, Sandven S. The influence of sea ice on ocean ambient sound. In Ice Technology for Polar Operation. In: Ice Technology for Polar Operations, Computational Mechanics Publications. Ice Technology for Polar Operations, Computational Mechanics Publications. ; 1990. p. 415-426.
Johannessen OM, Sagen H, Sandven S, Starke KV, Payne S, Engelsen I. Spatial variation in ambient sound level within ice edge eddies. In: Natural Physical Sources of Underwater Sound. Natural Physical Sources of Underwater Sound. ; 1993. p. 563-571.
Conference Proceedings
Sagen H, Sandven S, Haugen SA, Beszczynska-Möller A, Fahrbach E. ACOBAR: The Fram Strait Acoustic System for tomography and navigation of gliders. In the abstract book for the VISO workshop 11-12 June 2009 in Tromsø. 2009.
Johannessen OM, Sagen H, Sandven S, Hobæk HH, Hasselmann K, Maier-Reimer E, Mikolajewicz U, Soldatov VV, Bobylev L, Evert E, et al. Acoustic monitoring of ocean climate in the Arctic (AMOC). Proceedings from the PORSEC conference, Goa, India 5-8 Dec. 2000 and in Proc. of the Fifth European Conference on Underwater Acoustics, ECUA 2000, Lyon, France 2000. 2000.
Johannessen OM, Sagen H, Hobæk HH. Acoustic monitoring of ocean climate in the central Arctic. Scandinavian Symposium on Physical Acoustics, Ustaoset, Norway, 28-31 January 2000. 2000.
Johannessen OM, Sagen H, Hamre T, Hobæk HH, Hasselmann K, Maier-Reimer E, Mikolajewicz U, Wadhams P, Kaletzky A, Bobylev L, et al. Acoustic Monitoring of Oceans Climate in the Arctic (AMOC). Proceedings of the International Symposium on Acoustic Tomography and Acoustic Thermometry, 8-9 February, Tokyo Japan, 10 February, Yokosuka Japan, 1999. 1999.
Sagen H, Sandven S, Beszczynska-Möller A, Boebel O, Duda TF, Freitag L, Gascard JC, Gavrilov AN, Lee CM, Mellinger DK, et al. Acoustic technologies for observing the interior of the Arctic Ocean Hall DE, Stammer D. Ocean Obs´09: Sustained Ocean Observations and Information for Society [Internet]. 2010. Available from: http://www.oceanobs09.net/ Abstract
Johannessen OM, Sagen H, Sandven S. Ambient noise in MIZ. In proceedings Conference on Undersea Defence Technology, London, June 1992. 1993.
Sandven S, Haas C, Sagen H, Kloster K, Forsberg R, Alexandrov V. CRYOSAT pre-launch CalVal study for sea ice thickness.(On CD-ROM). the 31-st International Symposium on Remote Sensing of Environment. Global Monitoring for Sustainability and Security. 2005.
Sagen H, Sandven S, Skarsoulis E, Piperakis G, Kalogerakis M, Worcester PF. DAMOCLES: The Fram Strait Acoustic tomography system. Proc. Int. Conf. Underwater Acoustic Measurements, J. Papadakis and L. Bjørnø (Eds.), Heraklion 2007. 2007.
Sagen H, Sandven S, Worcester PF, Dzieciuch MA, Skarsoulis E. The Fram Strait acoustic tomography system. proceeding for Acoustics´08, Paris. 2008.
Sagen H, Sandven S, Skarsoulis E, Kalogerakis M, Abrahamsen J, Skagen P, Hansen E. The Fram Strait Tomography system - A Technical Layout. In the proceeding of DAMOCLES High Technology Instrumetation Training Course, Brest. 2006.
Johannessen OM, Sagen H, Sandven S, Engelsen I. The influence of grease ice, swell and icebergs on ambient noise. In proceedings Second European conference on underwater acoustics, European Commission. 1994.
Skarsoulis E, Piperakis G, Kalogerakis M, Sagen H. Ocean acoustic tomography: Travel-time inversion in the eastern Fram Strait. proceeding for Acoustics´08, Paris. 2008.
Skarsoulis E, Piperakis G, Kalogerakis M, Sagen H, Haugen SA, Beszczynska-Möller A, Worcester PF. Tomographic inversions from the Fram Strait 2008-9 experiment. European Conference on Underwater Acoustics (ECUA). 2010. Abstract
Bertino L, Lisæter KA, Sagen H. The TOPAZ Arctic monitoring and prediction system. Proceedings of the DAMOCLES workshop: Current Problems for operational short range weather, ocean and sea ice forecasting in the Arctic - a user perspective. The Polar Environmental Centre, Tromsø, Norway. 2006.
Journal Article
Dumont D, Squire V, Sandven S, Sagen H, Bertino L. Forecasting Waves-in-ice for Arctic Operators. Exploration and Production: Oil and Gas Review [Internet]. 2011;9. Available from: http://www.touchoilandgas.com/forecasting-waves-arctic-operators-a8824-1.html
Johannessen OM, Sagen H, Sandven S, Stark KV. Hotspots in Ambient Noise Caused by Ice Edge Eddies in the Greenland Sea and the Barents Sea. IEEE Journal of Oceanic Engineering. 2003;28:212-228.
Sandven S, Sagen H. New technology reveals the Arctic´s secrets. International Innovation [Internet]. 2009. Available from: www.researchmedia.eu
Tjøtta JN, Sagen H, Tjøtta S. Transmission of a sound beam across a two-fluid interface: Numerical results and asymptotic expressions. Journal Acoustical Society of America. 1989;85:24-38.
Magazine Article
Sagen H, Sandven S, Beszczynska-Möller A. Orgelpiper måler havtemperaturen i Arktis. Teknisk Ukeblad. 2011;158(04/3):75.
Miscellaneous
Mathisen JP, Sagen H, Stephens R. Metocean measurements in cold regions and ice forecasting system for the Barents Sea. 2005.
Poster
Sagen H, Sandven S, Skarsoulis E, Worcester PF, Beszczynska-Möller A, Bertino L, Haugen SA, Dzieciuch MA, Piperakis G, Kalogerakis M, et al. The fram Strait tomography system for ocean model validation, assimilation, and inversion. IPY - Oslo Science Conference. 2010.