Items where Author is "Boebel, Olaf"

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Number of items: 135.

Conference -Poster

Fahrbach, E. , Behrendt, A. , Boebel, O. , Hoppema, M. , Rohardt, G. , Schröder, M. , Strass, V. and Wisotzki, A. (2013)
Der Beitrag der Erwärmung des Tiefen- und Bodenwassers im Weddellmeer zum globalen Klimawandel ,

25. Internationale Polartagung, Hamburg, Germany, 17 March 2013 - 22 March 2013 .

hdl:10013/epic.41334

Conference -Poster

Menze, S. , Kindermann, L. , van Opzeeland, I. , Rettig, S. , Bombosch, A. , Zitterbart, D. and Boebel, O. (2013)
Soundscapes of the Southern Ocean: Passive Acoustic Monitoring in the Weddell Sea ,

Deutsche Gesellschaft für Polarforschung (DGP) 25. Internationale Polartagung „Polargebiete im Wandel“, 18 February 2013 - 22 February 2013 .

hdl:10013/epic.41248

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Conference -Talk

Menze, S. , Kindermann, L. , Rettig, S. , Bombosch, A. , van Opzeeland, I. and Boebel, O. (2012)
Passive Acoustic Monitoring of ambient noise in the Atlantic sector of the Southern Ocean ,

YOUMARES 3 conference, Lübeck, 12 September 2012 - 14 September 2012 .

hdl:10013/epic.40243

Conference -Talk

Bombosch, A. , van Opzeeland, I. , Wisz, M. S. , Richter, C. , Frickenhaus, S. and Boebel, O. (2012)
Modelling Habitat Suitability of Humpback and Minke Whales in the Atlantic Sector of the Southern Ocean ,

XXXII SCAR Open Science Conference .

hdl:10013/epic.39847

Conference -Poster

Rettig, S. , Kindermann, L. , Menze, S. , van Opzeeland, I. , Clark, C. W. and Boebel, O. (2012)
Passive Acoustic Monitoring (PAM) in the Southern Ocean: three generations of autonomous recorders in a basin wide array ,

ECUA 2012, Edinburgh, UK, 1 July 2012 - 6 July 2012 .

hdl:10013/epic.40991

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Conference -Talk

van Opzeeland, I. , Burkhardt, E. , Kindermann, L. and Boebel, O. (2012)
Seeking an acoustic niche for anthropogenic sound in the ocean ,

European conference on underwater Acoustics, Edinburgh, UK, 2 July 2012 - 6 July 2012 .

hdl:10013/epic.39849

Conference -Talk

Zitterbart, D. P. , Richter, S. , Kindermann, L. , Bombosch, A. , Burkhardt, E. , Schneider, W. , Wienecke, B. , Butler, J. T. , Fabry, B. and Boebel, O. (2012)
Learning from images – how remotely operated observatories help to understand animal behavior in polar regions ,

IPY 2012, Montreal .

hdl:10013/epic.39505

Article

van Opzeeland, I. , Van Parijs, S. , Frickenhaus, S. , Kreiss, C. M. and Boebel, O. (2012)
Individual variation in pup vocalizations and absence of behavioral signs of maternal vocal recognition in Weddell seals (Leptonychotes weddellii) ,

Marine Mammal Science, WILEY-BLACKWELL PUBLISHING, E158-E172 .

doi:10.1111/j.1748-7692.2011.00505.x , hdl:10013/epic.39482

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Conference -Poster

Gebler, M. , Boebel, O. , Schröter, J. , Macrander, A. and Wolff, J. O. (2012)
Transport variability of the ACC and teleconnection with the Southern Annular Mode (SAM) south of Africa. ,

Ocean Science 2012, Salt Lake City, USA, 19 February 2012 - 24 February 2012 .

hdl:10013/epic.38905

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Inbook

Boebel, O. , Breitzke, M. , Burkhardt, E. and Bornemann, H. (2012)
Strategic assessment of the risk posed to marine mammals by the use of airguns in the Antarctic: Concepts, methods, results, controversies ,

In: Popper, A. N. and Hawkins, A. (Eds.), The Effects of Noise on Aquatic Life, Advances in Experimental Medicine and Biology 730, Springer Science+Business Media, LLC, 529-531 , ISBN: 978-1-4419-7310-8 .

doi:10.1007/978-1-4419-7311-5_120 , hdl:10013/epic.38777

Conference -Poster

Bombosch, A. , Boebel, O. , van Opzeeland, I. , Wisz, M. S. , Frickenhaus, S. and Richter, C. (2011)
Modelling habitat suitability of true Antarctic cetaceans ,

YouMaRes 2.0, 2011 - unspecified .

hdl:10013/epic.38860

Conference -Conference paper

Kindermann, L. , Boebel, O. and van Opzeeland, I. (2011)
The Soundscape of the Southern Ocean – How Quiet and how Loud can Nature be? ,

Open Science Meeting for an International Quiet Ocean Experiment, UNESCO Headquarters, Paris, 30 August 2011 - 1 September 2011 .

hdl:10013/epic.40523

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Conference -Talk

Gebler, M. , Boebel, O. , Schröter, J. , Macrander, A. and Wolff, J. O. (2011)
ACC transport determined from satelite altimetry using Pressure Inverted Echo Sounders (PIES). ,

YouMares 2011. .

hdl:10013/epic.38111

Conference -Talk

van Opzeeland, I. , Van Parijs, S. M. , Kindermann, L. and Boebel, O. (2011)
Acoustic ecology of marine mammals in the Antarctic coastal ocean ,

25th European Cetacean Society (ECS) Conference 21-23 March 2011, Cadiz, Spain. .

hdl:10013/epic.37128

Conference -Talk

Gebler, M. , Boebel, O. , Schröter, J. and Macrander, A. (2011)
SSH anomaly and transport variability determined from Pressure Inverted Echo Sounders (PIES) deployed in the ACC south of Africa. ,

General Assembly IUGG 2011, Melbourne, Australia.06.-07.07.2011. .

hdl:10013/epic.37786

Article

Behrendt, A. , Fahrbach, E. , Hoppema, M. , Rohardt, G. , Boebel, O. , Klatt, O. , Wisotzki, A. and Witte, H. (2011)
Variations of Winter Water properties and sea ice along the Greenwich meridian on decadal time scales ,

Deep-Sea Research II., Elsevier, 58 (25-26), pp. 2524-2532 .

doi:10.1016/j.dsr2.2011.07.001 , hdl:10013/epic.39202

Conference -Poster

Kindermann, L. , Zitterbart, D. P. , Burkhardt, E. and Boebel, O. (2010)
Detection and Tracking of Whales Using a Ship-based 360° Thermal Imaging System ,

Internationale Polartagung der Deutschen Gesellschaft für Polarforschung, Obergurgl, Austria, 6 September 2010 - 10 September 2010 .

hdl:10013/epic.40540

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Article

van Opzeeland, I. , Van Parijs, S. M. , Bornemann, H. , Frickenhaus, S. , Kindermann, L. , Klinck, H. , Plötz, J. and Boebel, O. (2010)
Acoustic ecology of Antarctic pinnipeds ,

Marine Ecology Progress Series, 414 , pp. 267-291 .

doi:10.3354/meps08683 , hdl:10013/epic.35890

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Conference -Poster

Zitterbart, D. , Kindermann, L. , Burkhardt, E. and Boebel, O. (2010)
Automated whale detection and local, high resolution ice mapping using a 360° ship-based thermal imager. ,

IPY Polar Science Conference, New frontiers, data practices and directions in polar research, Oslo 2010. .

hdl:10013/epic.37532

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Conference -Poster

Burkhardt, E. , Kindermann, L. , Zitterbart, D. and Boebel, O. (2010)
Detection and Tracking of Whales Using a Ship-based, 360° Thermal Imaging System. ,

Second International Conference - The Effects of Noise on Aquatic Life- Cork, Ireland, August 15-20 .

hdl:10013/epic.35895

Conference -Talk

Fahrbach, E. , Hoppema, M. , Rohardt, G. , Boebel, O. , Klatt, O. and Wisotzki, A. (2010)
Erwärmung des Tiefen- und Bodenwassers im Weddellmeer ,

24. Internationale Polartagung, Obergurgl. - 10. Sept. 2010. .

hdl:10013/epic.35901

Conference -Invited talk

Fahrbach, E. , Behrendt, A. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. and Wisotzki, A. (2010)
Evidence of Decadal Fluctuations in the Water Mass Properties in the Atlantic sector of the Southern Ocean ,

International Polar Year - Oslo Science Conference, 8-12 June 2010, Oslo, Norway. .

hdl:10013/epic.35657

Article

Boebel, O. , Busack, M. , Flueh, E. R. , Gouretski, V. , Rohr, H. , Macrander, A. , Krabbenhoeft, A. , Motz, M. and Radtke, T. (2010)
The GITEWS ocean bottom sensor packages ,

Natural Hazards and Earth System Sciences., 10 , pp. 1759-1780 .

doi:10.5194/nhess-10-1759-2010 , hdl:10013/epic.35745

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Conference -Poster

Zitterbart, D. P. , Kindermann, L. , Boebel, O. and Fabry, B. (2010)
Image Processing in Polar Science - how to find and observe whales and penguins. ,

British Computer Society, International Summerschool for Pattern Recognition, Plymouth, UK .

hdl:10013/epic.39815

Article

Klinck, H. , Mellinger, D. K. , Klinck, K. , Hager, J. , Kindermann, L. and Boebel, O. (2010)
Long-range underwater vocalizations of the crabeater seal (Lobodon carcinophaga) ,

J. Acoust. Soc. Am, 128 (1), pp. 474-479 .

doi:10.1121/1.3442362 , hdl:10013/epic.35781

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Conference -Poster

Boebel, O. , Breitzke, M. , Burkhardt, E. and Bornemann, H. (2010)
Strategic assessment of the risk posed to marine mammals by the use of airguns in the Antarctic: concepts, methods, results, and controversies ,

Second International Conference "The Effects of Noise on Aquatic Life", August 15-20, Cork, Ireland. .

hdl:10013/epic.35341

Conference -Talk

24. Internationale Polartagung, 06-10 September, Obergurgl, Österreich. .

hdl:10013/epic.35342

Conference -Poster

Gebler, M. , Macrander, A. and Boebel, O. (2010)
Temperature and salinity time-series derived from acoustic travel times from PIES in the ACC. ,

Geophysical Research Abstracts, vol. 12, EGU2010-3061 .

hdl:10013/epic.37483

Inbook

Macrander, A. , Böning, C. , Boebel, O. and Schröter, J. (2010)
Validation of GRACE Gravity Fields by in-situ Data of Ocean Bottom Pressure ,

System Earth via Geodetic-Geophysical Space Techniques / edited by Frank M. Flechtner, Thomas Gruber, Andreas Güntner, Mioara Mandea, Markus Rothacher, Tilo Schöne, Jens Wickert Berlin, Heidelberg : Springer-Verlag Berlin Heidelberg, 169-185. (Advanced Te, ISBN: 978-3-642-10227-1 .

doi:10.1007/978-3-642-10228-8_14 , hdl:10013/epic.35843

Conference -Poster

Kristoffersen, Y. , Blenkner, R. , Boebel, O. , Drews, R. , Kindermann, L. , Hofstede, C. , Jansen, D. , Lambrecht, A. , Mayer, C. , Neckel, N. , Steinhage, D. , Witt, R. and Eisen, O. (2010)
Vibroseimic measurements on an ice shelf ,

EGU General Assembly, 02.-07. May, Vienna, Austria. .

hdl:10013/epic.35164

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Conference -Talk

Fahrbach, E. , Hoppema, M. , Rohardt, G. , Boebel, O. , Klatt, O. and Wisotzki, A. (2010)
Warming of the deep and bottom waters in the Weddell Gyre on decadal time scales ,

Deep Ocean Workshop: Observed and Model-Simulated Property Changes in the Deep Ocean of the Southern Hemisphere, 21-23 June 2010, Hobart, Australia. .

hdl:10013/epic.35447

Conference -Conference paper

Sagen, H. , Sandven, S. , Beszczynska-Möller, A. , Boebel, O. , Duda, T. F. , Freitag, L. , Gascard, J. C. , Gavrilov, A. , Lee, C. M. , Mellinger, D. K. , Mikhalevsky, P. , Moore, S. , Morozov, A. K. , Rixen, M. , Skarsoulis, E. , Stafford, K. , Tveit, E. and Worcester, P. (2009)
Acoustic technologies for observing the interior of the Arctic Ocean ,

Ocean Obs 2009, Book of Abstracts .

hdl:10013/epic.35775

Conference -Talk

Macrander, A. , Böning, C. , Boebel, O. and Schröter, J. (2009)
Antarctic Circumpolar Current variability a combined analysis of in-situ Bottom Pressure, Altimetry, and GRACE gravity ,

Geophysical Research Abstracts, Vol. 11, EGU2009-11172 .

hdl:10013/epic.33766

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Conference -Invited talk

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. and Wisotzki, A. (2009)
Decadal fluctuations of the water mass properties in the Souther Ocean ,

The 16th International Symposium on Polar Sciences, Incheon, Korea, June 10-12 .

hdl:10013/epic.33001

Conference -Invited talk

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. and Wisotzki, A. (2009)
Evidence of Decadal Fluctuations in the Water Mass Properties in the Weddell Sea ,

MOCA-09, Montreal, CanadaJuly .

hdl:10013/epic.33000

Conference -Talk

Macrander, A. , Böning, C. , Schröter, J. and Boebel, O. (2009)
GRACE gravity solutions validated by in-situ ocean bottom pressure in different regions of the global ocean ,

Geophysical Research Abstracts, Vol. 11, EGU2009-11188 .

hdl:10013/epic.33767

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Conference -Poster

van Wijk, E. , Wijffels, S. , Riser, S. , Rintoul, S. , Speer, K. , Klatt, O. , Boebel, O. , Owens, B. , Gascard, C. , Freeland, F. , Roemmich, D. and Wong, A. (2009)
Obsering High Latitudes: extending the core Argo array ,

OceanObs'09. .

hdl:10013/epic.38239

Conference -Poster

van Wijk, E. M. , Riser, S. , Rintoul, S. R. , Speer, K. , Klatt, O. , Boebel, O. , Owens, B. , Gascard, J. C. , Freeland, H. , Wijffels, S. , Roemmich, D. and Wong, A. (2009)
Observing High Latitudes: extending the core Argo array ,

OceanObs09, Conference Abstract Book. .

hdl:10013/epic.33737

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Conference -Conference paper

Kock, K. H. , Scheidat, M. , Boebel, O. , Bräger, S. , Herr, H. , Lehnert, K. , Lehnert, L. , Verdaat, H. and Williams, R. (2009)
The Occurrence of Cetaceans along two Transects from 57° S to Atka Bay (70°29.6 S/07°57.6 W) ,

Proceedings IWC61 Meeting, 2009, SC/61/IA/11 .

hdl:10013/epic.35777

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Article

Macrander, A. , Gouretski, V. and Boebel, O. (2009)
PACT a Bottom Pressure Based, Compact Deep-Ocean Tsunameter with Acoustic Surface Coupling ,

Oceans'09 IEEE. .

hdl:10013/epic.34453

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Conference -Poster

Macrander, A. , Gouretski, V. and Boebel, O. (2009)
PACT a bottom pressure based, compact deep-ocean tsunameter with acoustic surface coupling ,

Geophysical Research Abstracts. Vol. 11, EGU2009-11202 .

hdl:10013/epic.33765

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Conference -Conference paper

Garzoli, S. L. , Boebel, O. , Bryden, H. , Fine, R. A. , Fukasawa, M. , Gladyshev, S. , Johnson, G. , Johnson, M. , MacDonald, A. , Meinen, C. , Mercier, H. , Orsi, A. , Piola, A. , Rintoul, S. , Speich, S. , Visbeck, M. and Wanninkhof, R. (2009)
Progressing towards global sustained deep ocean observations ,

Ocean Obs 2009 Book of Abstacts. .

hdl:10013/epic.35776

Conference -Invited talk

Klinck, H. , Kindermann, L. , Mellinger, D. K. and Boebel, O. (2009)
Screening large data sets and real-time data streams for bioacoustic signals ,

Journal of the Acoustical Society of America .

hdl:10013/epic.32977

Conference -Poster

van Opzeeland, I. , Van Parijs, S. M. , Bornemann, H. , Kindermann, L. , Klinck, H. , Plötz, J. and Boebel, O. (2009)
Seasonal variation in vocal repertoire size, composition and call activity in Antarctic pinnipeds ,

18th Biennial Conference on the Biology of Marine Mammals, 12-16 Oct 2009, Quebec, Canada. .

hdl:10013/epic.33447

Conference -Talk

Böning, C. , Timmermann, R. , Macrander, A. , Schröter, J. and Boebel, O. (2009)
Southern Ocean variability derived from GRACE retrievals, model simulations and in-situ measurements ,

General Assembly of the European Geophysical Union, .

hdl:10013/epic.35858

Conference -Conference paper

Boebel, O. , Breitzke, M. , Burkhardt, E. and Bornemann, H. (2009)
Strategic assessment of the risk posed to marine mammals by the use of airguns in the Antarctic Treaty area ,

Information Paper IP 51 , Agenda Item: CEP 8c, Antarctic Treaty Consultative Meeting XXXII, Baltimore, USA .

hdl:10013/epic.32056

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+2 more...

"Berichte zur Polar- und Meeresforschung" Expedition reports

Boebel, O. (2009)
The expedition of the research vessel "Polarstern" to the Antarctic in 2008/2009 (ANT-XXV/2) ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 595 , 57 p. .

hdl:10013/epic.33170

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Article

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. and Werner, B. (2008)
Broad-band calibration of marine seismic sources used by R/V Polarstern for academic research in polar regions ,

Geophysical Journal International, 174 , pp. 505-524 .

doi:10.1111/j.1365-246X.2008.03831.x , hdl:10013/epic.30684

Article

Klinck, H. , Kindermann, L. and Boebel, O. (2008)
Detection of Leopard seal (Hydrurga leptonyx) vocalizations using the Envelope-Spectrogram Technique (tEST) in combination with a Hidden Markov Model ,

Canadian Acoustics, 36 (1), pp. 118-124 .

hdl:10013/epic.30566

Conference -Talk

Macrander, A. , Böning, C. , Boebel, O. and Schröter, J. (2008)
Global comparison of in-situ Ocean Bottom Pressure observations with GRACE ,

Geodätische Woche 2008 Bremen. .

hdl:10013/epic.38234

Inbook

van Opzeeland, I. , Kindermann, L. , Boebel, O. and Van Parijs, S. M. (2008)
Insights into the acoustic behaviour of polar pinnnipedscurrent knowledge and emerging techniques of study ,

In: Animal Behaviour: New Research. EA Weber, LH Krause (Eds). Nova Science Publishers. Hauppage, NY .

hdl:10013/epic.31833

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Conference -Poster

Kreiß, C. , Klinck, H. , Kindermann, L. , Rogers, T. , Bornemann, H. , van Opzeeland, I. and Boebel, O. (2008)
PALAOA: A study on the leopard seal (Hydrurga leptonyx) acoustic repertoire and its geographic variation. ,

22nd European Cetacean Society Conference, March 10-12. Egmond aan Zee, The Netherlands. .

hdl:10013/epic.30188

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Conference -Conference paper

Boebel, O. , Klinck, H. , Kindermann, L. and El Naggar, S. E. D. (2008)
PALAOA: Broadband recordings of the Antarctic coastal soundscape ,

Bioacoustics .

hdl:10013/epic.30575

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Conference -Talk

Klinck, H. , Kindermann, L. and Boebel, O. (2008)
PALAOA: From underwater soundscape to leopard seal ecology, a hydro-acoustic observatory for biological research ,

Acoustic Communication by Animals, Corvallis, USAAugust 2008. .

hdl:10013/epic.30937

Conference -Poster

Seibert, A. M. , Kindermann, L. , Klinck, H. and Boebel, O. (2008)
PALAOA: Ross Seal Presence and Calling Patterns ,

22nd Conference of the European Cetacean Society (ECS08), 10 - 12 March 2008, Egmond aan Zee, The Netherlands. .

hdl:10013/epic.30465

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Conference -Poster

Seibert, A. M. , Kindermann, L. , Klinck, H. and Boebel, O. (2008)
PALAOA: Ross seal presence and calling patterns ,

22nd Conference of the European Cetacean Society, 12 March 15 March 2008, Egmond aan Zee, The Netherlands. .

hdl:10013/epic.38230

Conference -Talk

van Opzeeland, I. , Kindermann, L. , Klinck, H. , Bornemann, H. , Plötz, J. , Burkhardt, E. , Van Parijs, S. M. and Boebel, O. (2008)
PALAOA: a tool for perennial bioacoustic research ,

22nd Conference of the European Cetacean Society, 10-12 March, 2008, Egmond aan Zee, The Netherlands. .

hdl:10013/epic.30187

Article

Kindermann, L. , Boebel, O. , Bornemann, H. , Burkhardt, E. , Klinck, H. , Opzeeland, I. C. , Plötz, J. and Seibert, A. M. (2008)
A Perennial Acoustic Observatory in the Antarctic Ocean ,

Computational bioacoustics for assessing biodiversity : proceedings of the international expert meeting on IT-based detection of bioacoustical patterns, December 7th until December 10th, 2007 at the international academy for nature conservation (INA) isle .

hdl:10013/epic.30936

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Conference -Conference paper

Burkhardt, E. , Boebel, O. , Bornemann, H. and Ruholl, C. (2008)
Risk Assessment of Scientific Sonars ,

Bioacoustics .

hdl:10013/epic.28858

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Conference -Poster

Böning, C. , Timmermann, R. , Macrander, A. , Schröter, J. and Boebel, O. (2008)
Variability of the Antarctic Circumpolar Current derived from GRACE retrievals, model simulations and in-situ measurements ,

AGU Fall Meeting 2008, San Francisco, USA.-19. December 2008. .

hdl:10013/epic.31689

Conference -Talk

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. and Wisotzki, A. (2008)
Variations of water masses in the Atlantic sector of Southern Ocean observed in CASO ,

SCAR/IASC Open Science Conference, St. Petersburg.-11.07.2008. .

hdl:10013/epic.30887

Conference -Talk

Macrander, A. , Böning, C. , Boebel, O. and Schröter, J. (2008)
A global Performance Estimate of GRACE Gravity Solutions validated by in-situ Ocean Bottom Pressure ,

General assembly of the European Geophysical Union, EGU2008-A-03528. .

hdl:10013/epic.31087

Conference -Invited talk

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. , Werner, B. and Diebold, J. (2007)
Akustische Vermessung der Luftpulser Quellen des Forschungseisbrechers Polarstern im Herdlefjord, Norwegen ,

"Schall und Schwingungen in sensibler Umgebung", DWT-Tagung Anwendungen der Akustik in der Wehrtechnik, 27 Feb.-01 März 2007, an der WTD 91, Meppen. .

hdl:10013/epic.26044

Conference -Conference paper

15. Arbeitstagung Akustik in der Wehrtechnik Bonn : Studiengesellschaft d. Deutschen Gesellschaft f. Wehrtechnik .

hdl:10013/epic.28125

Conference -Poster

Seibert, A. M. , Klinck, H. , Kindermann, L. , Bornemann, H. , van Opzeeland, I. , Plötz, J. and Boebel, O. (2007)
Characteristics of underwater calls of the Ross seal ,

17th Biennial Conference on the Biology of Marine Mammals, 29 November - 3 December 2007, Cape Town, South Africa. .

hdl:10013/epic.28004

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Article

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2007)
Decadal scale variations of water mass properties in the Weddell Sea ,

NOTUS: the AGCS Newsletter, 2 .

hdl:10013/epic.34046

Conference -Talk

Macrander, A. , Kanzow, T. , Flechtner, F. , Schmidt, R. , Boebel, O. , Schröter, J. , Karstensen, J. , Beszczynska-Möller, A. , Meinig, C. , Hughes, C. , Rietbroek, R. and Wouters, B. (2007)
Global Ground Truth Validation of GRACE Gravity Measurements by Ocean Bottom Pressure ,

European Geosciences Union General Assembly 2007, Vienna, Austria 20 April 2007. .

hdl:10013/epic.28129

Conference -Talk

Böning, C. , Macrander, A. , Timmermann, R. , Boebel, O. and Schröter, J. (2007)
Global Validation of GRACE Gravity Measurements by in-situ and modeled Ocean Bottom Pressure ,

GRACE Science Team Meeting, 15--17 October 2007, Potsdam, Germany. .

hdl:10013/epic.30558

"Berichte zur Polar- und Meeresforschung" Expedition reports

Klinck, H. and Boebel, O. (2007)
Marine Mammal Automated Perimeter Surveillance (MAPS) ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 568 , pp. 95-98 .

hdl:10013/epic.38358

Conference -Talk

Sauter, E. , Baum, C. , Biebow, N. , Boebel, O. , Buck, B. H. , Gerdes, B. , Helmke, E. , Klages, M. , Köhler, A. and Schröder, A. (2007)
Meerestechnologien für den Umweltschutz - Entwicklungen am Alfred-Wegener-Institut ,

Vortrag anlässlich des Besuches von Bundesumweltminister Sigmar Gabriel (MdB) am 21. März 2007. .

hdl:10013/epic.26442

Conference -Talk

Klinck, H. , Kindermann, L. and Boebel, O. (2007)
PALAOA - the Perennial Acoustic Observatory in the Antarctic Ocean & Detection of Leopard seal (Hydrurga leptonyx) vocalizations using a Hidden Markov Model ,

3rd International Workshop on Detection and Classification of Marine Mammals using Passive Acoustics, Federal Reserve Building Boston, Massachusetts, USA - July 24-26 .

hdl:10013/epic.28000

Conference -Poster

Boebel, O. , Klinck, H. , Kindermann, L. and El Naggar, S. E. D. (2007)
PALAOA: Broadband recordings of the Antarctic coastal soundscape ,

The Effects of Noise to Aquatic Life, 13 August to 17 August 2007, Nyborg, Denmark. .

hdl:10013/epic.28005

Preview

Conference -Poster

Burkhardt, E. , Boebel, O. , Bornemann, H. and Ruholl, C. (2007)
Risk assessment of scientific sonars ,

International Conference, The Effects of Noise on Aquatic Life, August 13-17, 2007, Nyborg Denmark. .

hdl:10013/epic.27971

Inbook

El Naggar, S. E. D. , Schütt, E. , Breitzke, M. , Schönwetter, R. and Boebel, O. (2007)
Test of the ELAC NDS3070 Collision Avoidance Sonar in the Bay of Biscay ,

In: M. R. V. d. Loeff (Ed.), The Expedition ANTARKTIS XXIII/1 of the Research Vessel "Polarstern" to the Antarctic in 2005 (ANT-XXIII/1). Berichte zur Polarforschung .

hdl:10013/epic.32153

Preview

Field Report

El Naggar, S. E. D. , Schütt, E. , Breitzke, M. , Schönwetter, R. and Boebel, O. (2007)
Test of the ELAC NDS3070 collision avoidance sonar in the Bay of Biscay. The Expedition ANTARKTIS-XXIII/1 of the Research Vessel "Polarstern" in 2005., v. d. Loeff, M. R. (ed.) ,

[Field Report]

hdl:10013/epic.26948

Conference -Poster

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2007)
Variations of water mass properties in the Weddell Sea ,

EGU2007. .

hdl:10013/epic.26520

Conference -Talk

Kindermann, L. , Bornemann, H. , Plötz, J. and Boebel, O. (2007)
Weddell Seal Audiometry ,

21st Conference of the European Cetacean Society (ECS07), 23 - 25 April 2007, San Sebastian, Spain.. .

hdl:10013/epic.28798

Article

Klatt, O. , Boebel, O. and Fahrbach, E. (2007)
A profiling floats sense of ice ,

Journal of Atmospheric and Oceanic Technology, 24 (7), pp. 1301-1308 .

doi:10.1175/JTECH2026.1 , hdl:10013/epic.28318

Article

Boebel, O. , Kindermann, L. , Klinck, H. , Bornemann, H. , Plötz, J. , Steinhage, D. , Riedel, S. and Burkhardt, E. (2006)
Acoustic Observatory Provides Real-Time Underwater Sounds from the Antarctic Ocean ,

EOS, 87 , pp. 361-372 .

hdl:10013/epic.25106

Preview

Conference -Talk

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. , Kuhn, G. , Niessen, F. , Schenke, H. W. , Werner, B. and Diebold, J. (2006)
Akustische Vermessung der marin-seismischen Quellen des FS Polarstern im Herdle Fjord, Norwegen ,

66. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 06-09 März, Bremen. .

hdl:10013/epic.24285

Conference -Poster

Boebel, O. , Bornemann, H. , Burkhardt, E. , Kindermann, L. , Klinck, H. and Plötz, J. (2006)
Antarctic marine mammals and ocean acoustics ,

MARCOPOLI Midterm Review: Evaluation of the AWI by the Scientific Advisory Board of the Alfred Wegener Institute for Polar and Marine Research, 2223 May 2006, Bremerhaven, Germany. .

hdl:10013/epic.25644

Article

Kindermann, L. , Klinck, H. and Boebel, O. (2006)
Automatic Detection of Marine Mammals in the Vicinity of RV Polarstern ,

In: Fahrbach, E. (ed.), The Expedition ANTARKTIS-XXII/3 of the Research Vessel Polarstern, Reports on Polar and Marine Research / Berichte zur Polar- und Meeresforschung, 533 , pp. 68-76 .

hdl:10013/epic.28851

Conference -Conference paper

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. and Werner, B. (2006)
Broadband calibration of marine seismic sources used for academic research in the Southern Ocean: A case study with R/V Polarstern's airguns and airgun arrays ,

Information Paper IP98 , Agenda Item: CEP8(submitted via SCAR), Antarctic Treaty Consultative Meeting XXIX, Edinburgh, UK .

hdl:10013/epic.26241

Conference -Invited talk

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. , Kuhn, G. , Niessen, F. , Schenke, H. W. , Werner, B. and Diebold, J. (2006)
Broadband characterization of marine seismic sources used by R/V Polarstern ,

SCAR workshop to review the risks associated with marine acoustics in the Southern Ocean, 24-26 January, Cadiz, Spain. .

hdl:10013/epic.24661

Conference -Talk

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. , Kuhn, G. , Niessen, F. , Schenke, H. W. , Werner, B. and Diebold, J. (2006)
Broadband sound pressure field characteristics of marine seismic sources used by R/V Polarstern ,

Joint Assembly, 23-26 May, Baltimore, Maryland, USA. .

hdl:10013/epic.24927

Conference -Poster

Macrander, A. , Kanzow, T. , Flechtner, F. , Schmidt, R. , Boebel, O. , Schröter, J. and Karstensen, J. (2006)
Oceanic Mass Variability Observed by Bottom Pressure Sensors and GRACE Satellites ,

European Geosciences Union General Assembly, 2 - 7 April 2006, Vienna, Austria. .

hdl:10013/epic.25175

Preview

Conference -Talk

Klatt, O. , Boebel, O. and Fahrbach, E. (2006)
Profiling floats under sea ice in the Weddell Sea ,

SCAR 2nd Open Science Conference, 12-14 July, Hobart, Australia. .

hdl:10013/epic.25563

Conference -Poster

Burkhardt, E. , Boebel, O. , Bornemann, H. and Ruholl, C. (2006)
Risk Assessment of Hydrosweep Fan-Beam and Parasound Sediment Echosounders ,

20 th Annual Conference of the European Cetacean Society, Marine mammals and man in coastal ecosystem: Can they co-exist?, 2-7 Apr., Gdynia, Poland. .

hdl:10013/epic.25244

Preview

Conference -Talk

Klatt, O. , Boebel, O. and Fahrbach, E. (2006)
Towards a hybrid Antarctic float observation system: HAFOS ,

2nd ARGO Science Workshop,15-18 March,Venice,Italy,. .

hdl:10013/epic.25865

Conference -Talk

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2006)
Variations of water mass properties in the Weddell Sea ,

SCAR 2nd Open Science Conference, 12-14 July, Hobart, Australia. .

hdl:10013/epic.25562

Conference -Invited talk

Burkhardt, E. and Boebel, O. (2006)
What is the impact of anthropogenic marine sound on the Antarctic environment? (Which risk is induced by operating scientific sonars, airguns and sound sources?) ,

Scientific Committee on Antarctic Research (SCAR), Workshop to review the risk associated with marine acoustic in the Southern Ocean, January 24-27 2007, Cadiz, Spain. .

hdl:10013/epic.27972

Conference -Poster

Macrander, A. , Böning, C. , Boebel, O. and Schröter, J. (2006)
A global Ocean Bottom Pressure data base as ground-truth reference for GRACE gravity field products ,

Geodetic Week 2006, 10 - 12 October 2006 . Munich, Germany. .

hdl:10013/epic.28127

Preview

Conference -Poster

Böning, C. , Timmermann, R. , Danilov, S. , Schröter, J. and Boebel, O. (2006)
A global finite element ocean model: Circulation and bottom pressure anomalies in the South Atlantic ,

European Geosciences Union General Assembly, 0207 April 2006, Vienna, Austria. .

hdl:10013/epic.24438

Preview

Conference -Invited talk

Breitzke, M. , Boebel, O. , El Naggar, S. E. D. , Jokat, W. , Kuhn, G. , Niessen, F. , Schenke, H. W. and Werner, B. (2005)
Calibration of marine seismic sources used by the German icebreaker R/V Polarstern ,

FEMME 2005(Kongsberg Maritime Forum for EM Mutual Experience), 26-29 April, Dublin, Ireland. .

hdl:10013/epic.23078

Conference -Poster

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2005)
Decadal-scale variations of water mass properties in the deep Weddell Sea ,

2nd International Alfred Wegener Symposium, 30 Oct-2 Nov, Bremerhaven, Germany .

hdl:10013/epic.24653

Conference -Talk

22. Internationale Polartagung, 18-24 Sept, Jena, Germany .

hdl:10013/epic.24654

Article

Klatt, O. , Boebel, O. , Núñez-Riboni, I. and Fahrbach, E. (2005)
Float Observations within the Weddell Sea ,

CLIVAR Exchanges 35, 10(4) . {http://eprints.soton.ac.uk/19316/01/Exchanges35_web.pdf}, 43 .

hdl:10013/epic.24235

Article

Nunez-Riboni, I. , Boebel, O. , Ollitrault, M. , You, Y. , Richardson, P. and Davis, R. (2005)
Lagrangian Circulation of Antarctic Intermediate Water in the subtropical South Atlantic ,

Deep-sea research part ii-topical studies in oceanography, 52 , pp. 545-564 .

hdl:10013/epic.22003

Preview

Conference -Talk

Boebel, O. (2005)
Risikoanalysen zu wissenschaftlichen Sonaren des FS Polarstern. ,

Vilm.08.2005. .

hdl:10013/epic.38208

Conference -Conference paper

Boebel, O. , Clarkson, P. , Coates, R. , Larter, R. , O'Brien, P. , Plötz, J. , Summerhayes, C. , Tyack, T. , Walton, D. and Wartzok, D. (2005)
Risks posed to the Antarctic marine environment by acoustic instruments: a structured analysis ,

Antarctic Science .

doi:10.1017/S0954 102005002956 , hdl:10013/epic.25985

Conference -Talk

Boebel, O. , Fahrbach, E. and Klatt, O. (2005)
Towards an Hybrid Antarctic Float Observation System (HAFOS) ,

Dynamic Planet 2005, 22 - 26 August 2005, Cairns, Australia. .

hdl:10013/epic.24659

Conference -Talk

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2005)
Variations of water mass properties in the Weddell Sea and their relevance to marine life ,

Dynamic Planet 2005, 22 - 26 Aug., Cairns, Australia. .

hdl:10013/epic.24660

Conference -Poster

Hanfland, C. , Boebel, O. and Köhler, M. (2005)
Vertical distribution of Radium isotopes within the Agulhas Retroflection Area ,

General Assembly of EGU, 24-29 April 2005, Vienna, Austria. .

hdl:10013/epic.22907

Article

Boebel, O. , Siedler, G. and Lutjeharms, J. R. E. (2005)
Walter Zenk: a distinguished ocean observer ,

Deep-Sea Research II, 52 (3), pp. 375-382 .

doi:10.1016/j.dsr2.2004.12.002 , hdl:10013/epic.24871

Conference -Poster

Fahrbach, E. , Boebel, O. , Hoppema, M. , Klatt, O. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2004)
Decadal-scale variations of water mass properties in the deep Weddell Sea ,

1st International CLIVAR Science Conference, 21-25 June,Baltimore,USA .

hdl:10013/epic.24647

Conference -Talk

Fahrbach, E. , Boebel, O. , Klatt, O. , Hoppema, M. , Rohardt, G. , Schröder, M. and Wisotzki, A. (2004)
Decadal-scale variations of water mass properties in the deep Weddell Sea ,

SCAR Open Science Conference,25-31 July, Bremen, Germany .

hdl:10013/epic.24648

Conference -Talk

EGU 1st General Assembly, 25-30 Apr, Nice, France. .

hdl:10013/epic.24644

Conference -Invited talk

Fahrbach, E. and Boebel, O. (2004)
Plans and progress towards an hybrid arctic float observation system (HAFOS) ,

NSF Workshop: Arctic Observing Based on Ice-Tethered Platforms, 28-30 June, Woods Hole, USA .

hdl:10013/epic.24650

Conference -Poster

Boebel, O. , Bornemann, H. , Breitzke, M. , Burkhardt, E. , Kindermann, L. , Klinck, H. , Plötz, J. , Ruholl, C. and Schenke, H. W. (2004)
Risk assessment of ATLAS HYDROSWEEP DS-2 hydrographic deep sea multi-beam sweeping survey echo sounder ,

Policy on Sound and Marine Mammals: An International Workshop, 28-30 Sept, London, England. .

hdl:10013/epic.21900

Preview

Conference -Poster

Mirhaj, M. , Plötz, J. , Bornemann, H. , Kindermann, L. , Klinck, H. and Boebel, O. (2004)
Underwater calls of Weddell seals in the Weddell sea, Antarctica, SCAR Open Science Conference, "Antarctica and the Southern Ocean in the Global System", 25-31 July 2004, Bremen, Germany ,

Terra Nostra, Schriften der Alfred-Wegener-Stiftung 2004/4 p 138. .

hdl:10013/epic.21491

Preview

Article

Lutjeharms, J. R. E. , Boebel, O. and Rossby, H. T. (2003)
Agulhas cyclones ,

Deep-sea research ii, 50 (1), pp. 13-34 .

doi:10.1016/S0967-0645(02)00378-8 , hdl:10013/epic.16128

Article

Treguier, A. M. , Boebel, O. , Barnier, B. and Madec, G. (2003)
Agulhas eddy fluxes in a 1/6 deg. Atlantic model ,

Deep-sea research ii, 50 (1), pp. 251-280 .

doi:10.1016/S0967-0645(02)00396-X , hdl:10013/epic.18462

Article

Boebel, O. , Lutjeharms, J. , Schmid, C. , Zenk, W. , Rossby, T. and Barron, C. (2003)
The Cape Cauldron: A regime of turbulent inter-ocean exchange ,

Deep-sea research ii, 50 (1), pp. 57-86 .

doi:10.1016/S0967-0645(02)00379-X , hdl:10013/epic.16123

Article

Schmid, C. , Boebel, O. , Zenk, W. , Lutjeharms, J. R. E. , Garzoli, S. L. , Richardson, P. L. and Barron, C. (2003)
Early evolution of an Agulhas Ring ,

Deep-sea research ii, 50 (1), pp. 141-166 .

doi:10.1016/S0967-0645(02)00382-X , hdl:10013/epic.16126

Article

Richardson, P. L. , Lutjeharms, J. R. E. and Boebel, O. (2003)
Introduction to the "Inter-ocean exchange around southern Africa" ,

Deep-Sea Research II, 50 (1), pp. 1-12 .

doi:10.1016/S0967-0645(02)00376-4 , hdl:10013/epic.24870

Article

Boebel, O. , Rossby, T. , Lutjeharms, J. , Zenk, W. and Barron, C. (2003)
Path and variability of the Agulhas Return Current ,

Deep-sea research ii, 50 (1), pp. 35-56 .

doi:10.1016/S0967-0645(02)00377-6 , hdl:10013/epic.16124

Article

You, Y. , Lutjeharms, J. R. E. , Boebel, O. and de Ruijter, W. P. M. (2003)
Quantification of the inter-ocean exchange of intermediate water masses around southern Africa ,

Deep-sea research ii, 50 (1), pp. 197-228 .

doi:10.1016/S0967-0645(02)00384-3 , hdl:10013/epic.16127

Article

Boebel, O. and Barron, C. (2003)
A comparison of in-situ float velocities with altimeter derived geostrophic velocities ,

Deep-sea research ii, 50 (19), pp. 119-139 .

doi:10.1016/S0967-0645(02)00381-8 , hdl:10013/epic.16125

Conference -Poster

Sauter, E. , Jokat, W. , Stein, R. , Fütterer, D. , Klages, M. , Fahrbach, E. , Boebel, O. , Gersonde, R. and Thiede, J. (2002)
Innovative Methodologies in Arctic Research (2) Future Activities Scheduled at AWI ,

Workshop to promote the development of instrumentation for Arctic Ocean exploration: Technology for assessing the water column and the seafloor, Moss Landing, California, USA.-18.10.2002.. .

hdl:10013/epic.16779

Article

Sparrow, M. , Boebel, O. , Zervakis, V. , Zenk, W. , Figuerola, A. C. and Gould, W. J. (2002)
Two Circulation Regimes of the Mediterranean Outflow Revealed by Lagrangian Measurements ,

Journal of Physical Oceanography, 32 , pp. 1322-1330 .

hdl:10013/epic.16129

Article

Boebel, O. and Fahrbach, E. (2002)
Weddell Sea inflow from floats ,

International WOCE Newsletter, Number 42, pp., pp. 22-24 .

hdl:10013/epic.15582

Article

Lutjeharms, J. R. , Boebel, O. , Vaart, P. C. F. , Ruijter, W. P. M. , Rossby, T. and Bryden, H. L. (2001)
Evidence that the Natal Pulse involves the Agulhas Current to its full depth ,

Geophysical research letters, 28 , pp. 3449-3452 .

hdl:10013/epic.18286

Miscellaneous

Boebel, O. , Anderson-Fontana, S. , Schmid, C. , Ansorge, I. , Lazarevich, P. , Lutjeharms, J. , Prater, M. , Rossby, T. and Zenk, W. (2000)
KAPEX RAFOS Float Data Report 1997-1999; Part A: The Agulhas- and South Atlantic Current Components, ,

[Miscellaneous]

hdl:10013/epic.18550

Article

Boebel, O. , Barron, C. , Richardson, P. , Lutjeharms, J. and Davis, R. (2000)
Mixing of Antarctic Intermediate Water from the Atlantic and Indian Ocean at the Agulhas Retroflection ,

Int. WOCE Newsletter, 39 , pp. 9-12 .

hdl:10013/epic.18551

Article

Boebel, O. , Lutjeharms, J. and Rossby, T. (1999)
First float trajectories from KAPEX ,

International WOCE Newsletter, 34 , pp. 14-17 .

hdl:10013/epic.18552

Article

Zenk, W. , Siedler, G. , Holfort, J. and Boebel, O. (1999)
Float observations showing the equatorial crossing of Antarctic Intermediate Water in the western Pacific ,

Int. WOCE Newsletters, 34 , 10 - 14 .

hdl:10013/epic.18556

Article

Boebel, O. , Schmid, C. , Podesta, G. and Zenk, W. (1999)
Intermediate water in the Brazil-Malvinas Confluence zone: A Lagrangian view ,

Journal of geophysical research-oceans, 104 , pp. 21063-21082 .

hdl:10013/epic.18282

Article

Boebel, O. , Schmid, C. and Zenk, W. (1999)
Kinematic elements of Antarctic Intermediate Water in the western South Atlantic ,

Deep-sea research ii, 46 , pp. 355-392 .

hdl:10013/epic.18280

Conference -Conference paper

Boebel, O. (1999)
A discussion on the benefits of the inclusion of a RAFOS float experiment in the proposed Triangle projects ,

Proceedings of the International Symposium Triangle?98, Kyoto, Japan .

hdl:10013/epic.18553

Article

Biastoch, A. , Reason, C. J. C. , Lutjeharms, J. R. E. and Boebel, O. (1999)
The importance of flow in the Mozambique Channel to seasonality in the greater Agulhas Current system. ,

Geophysical research letters, 26 , pp. 3321-3324 .

hdl:10013/epic.18285

Article

Boebel, O. , Davis, R. E. , Ollitrault, M. , Peterson, R. G. , Richardson, P. L. , Schmid, C. and Zenk, W. (1999)
The intermediate depth circulation of the western South Atlantic ,

Geophysical research letters, 26 , pp. 3329-3332 .

hdl:10013/epic.18281

Article

Boebel, O. , Duncombe Rae, C. , Garzoli, S. , Lutjeharms, J. , Richardson, P. , Rossby, T. , Schmid, C. and Zenk, W. (1998)
Float experiment studies interocean exchanges at the tip of Africa ,

EOS, Transactions American Geophysical Union, 79 , pp. 1-8 .

hdl:10013/epic.18283