Items where Author is "Usbeck, Regina"

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Number of items: 44.

Article

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Assmy, P. , Bakker, D. C. E. , Hanfland, C. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Pichevin, L. E. , Schröder, M. , Schwarz, J. N. , Stimac, I. ORCID: https://orcid.org/0000-0001-6053-2330, Usbeck, R. and Webb, A. (2010)
High primary productivity in an ice melting hot spot at the eastern boundary of the Weddell Gyre ,
Global Biogeochemical Cycles, 24, GB3007. .
doi:10.1029/2009GB003657 , hdl:10013/epic.35579
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Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Quantifying the opal belt in the Atlantic and southeast Pacific sector of the Southern Ocean by means of 230Th normalization ,
Global biogeochemical cycles, 19, GB4001 .
doi:10.1029/2005GB002465 , hdl:10013/epic.22294

Article
Schlitzer, R. ORCID: https://orcid.org/0000-0002-3740-6499, Usbeck, R. and Fischer, G. (2004)
Inverse modeling of particulate organic carbon fluxes in the South Atlantic ,
in: Wefer, G., Mulitza, S., Rathmeyer, V., (eds.), The South Atlantic in the Late Quaternary - Reconstruction of Material Budget and Current Systems, pp. 1-19, Springer-Verlag, Berlin .
hdl:10013/epic.16252
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Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2004)
The adsorption of Thorium and Protactinium onto different particle types: Experimental Findings ,
Geochimica et cosmochimica acta, 68 (7), pp. 1489-1501 .
doi:10.1016/j.gca.2003.10.011 , hdl:10013/epic.16072

Article
Usbeck, R. , Schlitzer, R. ORCID: https://orcid.org/0000-0002-3740-6499, Fischer, G. and Wefer, G. (2003)
Particle fluxes in the ocean: Comparison of sediment trap data with results from inverse modeling ,
Journal of marine systems, 39 , pp. 167-183 .
hdl:10013/epic.15745
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Article
Usbeck, R. , Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X and Schlitzer, R. ORCID: https://orcid.org/0000-0002-3740-6499 (2002)
Shallow remineralization in the Weddell Gyre ,
Geochemistry geophysics geosystems, Vol. 3, No. 1.1029/2001GC000182, 10 .
hdl:10013/epic.14976
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Thesis

Thesis -PhD
Usbeck, R. (1999)
Modeling of marine biogeochemical cycles with an emphasis on vertical particle fluxes ,
PhD thesis, University Bremen.
hdl:10013/epic.13768
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Conference

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Biogenic silica accumulation rates in surface sediments of the Southern Ocean corrected for sediment redistribution ,
EGU General Assembly, 25-29 Apr., Vienna, Austria. .
hdl:10013/epic.23214

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Silica accumulation rates in surface sediments of the Southern Ocean corrected for sediment redistribution ,
presentation at EGU Wien.-29. April 2005. .
hdl:10013/epic.22310
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Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. , Webb, A. , Hanfland, C. , Schwarz, J. N. and Ansorge, I. (2004)
The Eastern Weddell Gyre- an overlooked high productivity region ,
Talk at the Open Science Conference of the XXVIII SCAR Meeting, 25-31 July 2004, Bremen, Germany (Terra Nostra Abstract Volume of XXVIII SCAR Meeting). .
hdl:10013/epic.21476

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hanfland, C. , Schwarz, J. N. , Usbeck, R. , Webb, A. and Ansorge, I. (2004)
Ocean circulation and bioproductivity in the Weddell Gyre: geochemical findings ,
Talk at the 13th annual V.M. Goldschmidt Conference, Copenhagen, Denmark, June 5-11 .
hdl:10013/epic.21111

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hanfland, C. , Schwarz, J. N. , Usbeck, R. , Webb, A. and Ansorge, I. (2004)
Ocean circulation and bioproductivity in the Weddell Gyre: geochemical findings ,
Geochimica et cosmochimica acta, 68(11S), A331 .
hdl:10013/epic.21112

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Keynote Lecture, 13th Annual Goldschmidt Conference, Kurashiki, Japan, Sept. 7-12 .
hdl:10013/epic.19618
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Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Geochimica et cosmochimica acta, 67(18,S1), A118 .
hdl:10013/epic.19848

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. , Schwarz, J. N. , Hanfland, C. , Webb, A. and Ansorge, I. (2003)
Chlorophyll and other indicators of productivity in the Eastern Weddell Gyre between 0°E and 23°E-Preliminary results of Polarstern Expedition ANT XX/2, Synpart project ,
EGU-AGU-EGS Joint Assembly, Nice, FranceApril. .
hdl:10013/epic.19172

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2002)
The adsorption of Th and Pa on different particle types in dependence of the provenance of natural seawater ,
Poster, 12th Annual Goldschmidt Conference, Davos, Switzerland, August 18-23 .
hdl:10013/epic.19846

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2002)
The adsorption of Th and Pa on different particle types in dependence of the provenance of natural seawater ,
Geochimica et cosmochimica acta, 66, 15A, A269. .
hdl:10013/epic.19847

Conference -Poster
Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. and Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X (2000)
Export production and shallow mineralization in the Weddell Gyre: 234Th results compared with budget calculations of nutrients and CO2 ,
JGOFS Workshop 18-21 September 2000, Bremen. In: Biogeochemical cycles: German contributions to the International Joint Global Ocean Flux Study, B. Donner and G. Wefer (eds.), Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen 162: 67. .
hdl:10013/epic.37604

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2000)
Is the "Deep Upwelling" south of the Antarctic Polar Front fast enough to limit vertical particle fluxes? Vertical water velocities estimated from the distribution of Actinium-227. ,
EOS (suppl.) .
hdl:10013/epic.18399

"Berichte zur Polar- und Meeresforschung"

"Berichte zur Polar- und Meeresforschung" PhD
Usbeck, R. (1999)
Modeling of marine biogeochemical cycles with an emphasis on vertical particle fluxes = Modellierung mariner biogeochemischer Kreisläufe im Hinblick auf vertikale Partikelflüsse ,
Berichte zur Polarforschung (Reports on Polar Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 332 , 105 p. .
doi:10.2312/BzP_0332_1999 , hdl:10013/epic.10335
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PANGAEA Documentation

PANGAEA Documentation
Usbeck, R. (2007)
M70/2 processing report ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31408
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PANGAEA Documentation
Usbeck, R. (2007)
SO183 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31410
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PANGAEA Documentation
Usbeck, R. (2006)
ANT-XV/2 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31402
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PANGAEA Documentation
Usbeck, R. (2006)
ARK-X/2 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31403
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PANGAEA Documentation
Usbeck, R. (2006)
ARK-XIII/3 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31404
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PANGAEA Documentation
Usbeck, R. (2006)
ARK-XIV/1a processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31405
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PANGAEA Documentation
Usbeck, R. (2006)
RV SONNE cruise SO-182 - Data Management Documentation of Sediment Echo Sounder Measurements with Atlas Parasound DS-2 ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31409
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PANGAEA Documentation
Usbeck, R. (2005)
ARK-XIX/3b processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31394
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PANGAEA Documentation
Usbeck, R. (2005)
ARK-XIX/4 Bericht zur Datenaufarbeitung ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31376
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PANGAEA Documentation
Usbeck, R. (2004)
7 Expeditionen Parasounddaten - Bericht zur Datenaufarbeitung ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31397
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PANGAEA Documentation
Usbeck, R. (2004)
ANT-X/5 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremehaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31383
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PANGAEA Documentation
Usbeck, R. (2004)
ANT-XII/4 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31384
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PANGAEA Documentation
Usbeck, R. (2004)
ARK-IX/4 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31388
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PANGAEA Documentation
Usbeck, R. (2004)
ARK-XI/1 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31389
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PANGAEA Documentation
Usbeck, R. (2004)
ARK-XIII/2 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31391
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PANGAEA Documentation
Usbeck, R. (2004)
ARK-XIV/1b processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31392
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PANGAEA Documentation
Usbeck, R. (2004)
ARK-XV/2 processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31396

PANGAEA Documentation
Usbeck, R. (2004)
ARK-XVII/2 processing log/Bericht zur Datenaufarbeitung ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31208
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PANGAEA Documentation
Usbeck, R. (2004)
Aufbereitung Parasounddaten - ARKXIII/2 und ARKXV/2 - Yermakplateau ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31411
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PANGAEA Documentation
Usbeck, R. (2004)
Corelogger protocols of cores sampled during expedition ARK-XIX/3 ,
Bremerhaven, PANGAEA .
hdl:10013/epic.38801
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PANGAEA Documentation
Usbeck, R. (2003)
ANT-XVIII processing log ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven., Bremerhaven, PANGAEA .
hdl:10013/epic.31386
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PANGAEA Documentation
Usbeck, R. (2003)
ARKTIEF - Bericht zur Datenaufbereitung ParaSound (ARK-XVI/1, ARK-XVII/1, ARK-XVIII/1) ,
FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH, Bremerhaven, Bremerhaven, PANGAEA, 19 p. .
hdl:10013/epic.28031
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Field Report

Field Report
Matthießen, J. ORCID: https://orcid.org/0000-0002-6952-2494, Rogenhagen, J. , Usbeck, R. , Clausing, K. , Hoffmann, C. , Kierdorf, C. and von Seggern, B. (2003)
Sediment echosounding ,
[Field Report]
hdl:10013/epic.19644

Field Report
Stein, R. ORCID: https://orcid.org/0000-0002-4453-9564, Drachev, S. , Fahl, K. ORCID: https://orcid.org/0000-0001-9317-4656, Hefter, J. ORCID: https://orcid.org/0000-0002-5823-1966, Kassens, H. , Kokina, N. , Matthießen, J. ORCID: https://orcid.org/0000-0002-6952-2494, Müller, C. , Musatov, E. , Mutterlose, J. , Nörgaard-Petersen, N. , Polozek, K. , Shevchenko, V. and Usbeck, R. (1999)
Marine Geological Investigations. - In Jokat, W. (ed.), ARCTIC ´98: The Expedition ARK-XIV/1a of RV "Polarstern" in 1998. ,
[Field Report]
hdl:10013/epic.19946

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