Items where Author is "Usbeck, Regina"
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Number of items: 44.
Article
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Article
Geibert, W. , Assmy, P. , Bakker, D. C. E. , Hanfland, C. , Hoppema, M. , Pichevin, L. E. , Schröder, M. , Schwarz, J. N. , Stimac, I. , 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.
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doi:https://doi.org/10.1029/2009GB003657
, hdl:10013/epic.35579
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Article
Geibert, W. , Rutgers v. d. Loeff, M. , Usbeck, R. , Gersonde, R. , Kuhn, G. 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
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doi:https://doi.org/10.1029/2005GB002465
, hdl:10013/epic.22294
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Article
Schlitzer, R. , 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
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hdl:10013/epic.16252
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Article
Geibert, W. 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
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doi:https://doi.org/10.1016/j.gca.2003.10.011
, hdl:10013/epic.16072
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Article
Usbeck, R. , Schlitzer, R. , 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. , Hoppema, M. and Schlitzer, R.
(2002)
Shallow remineralization in the Weddell Gyre ,
Geochemistry geophysics geosystems, Vol. 3, No. 1.1029/2001GC000182,
10
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hdl:10013/epic.14976
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Thesis
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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
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Conference
-Poster
Geibert, W. , Rutgers v. d. Loeff, M. , Usbeck, R. , Gersonde, R. , Kuhn, G. 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
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Conference
-Conference paper
Geibert, W. , Rutgers v. d. Loeff, M. , Usbeck, R. , Gersonde, R. , Kuhn, G. 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.
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hdl:10013/epic.22310
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Conference
-Talk
Geibert, W. , 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).
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hdl:10013/epic.21476
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Conference
-Talk
Geibert, W. , 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
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hdl:10013/epic.21111
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Conference
-Conference paper
Geibert, W. , 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
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Conference
-Talk
Geibert, W. , Usbeck, R. and Rutgers v. d. Loeff, M.
(2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Keynote Lecture, 13th Annual Goldschmidt Conference, Kurashiki, Japan, Sept. 7-12
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hdl:10013/epic.19618
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Conference
-Conference paper
Geibert, W. , Usbeck, R. and Rutgers v. d. Loeff, M.
(2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Geochimica et cosmochimica acta, 67(18,S1), A118
.
hdl:10013/epic.19848
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Conference
-Talk
Geibert, W. , 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.
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hdl:10013/epic.19172
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Conference
-Poster
Geibert, W. 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
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Conference
-Conference paper
Geibert, W. 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.
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hdl:10013/epic.19847
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Conference
-Poster
Rutgers v. d. Loeff, M. , Usbeck, R. and Hoppema, M.
(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.
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hdl:10013/epic.37604
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Conference
-Poster
Geibert, W. , Usbeck, R. and Rutgers v. d. Loeff, M.
(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
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"Berichte zur Polar- und Meeresforschung"
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"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:https://doi.org/10.2312/BzP_0332_1999
, hdl:10013/epic.10335
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PANGAEA Documentation
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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
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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
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Field Report
Matthießen, J. , Rogenhagen, J. , Usbeck, R. , Clausing, K. , Hoffmann, C. , Kierdorf, C. and von Seggern, B.
(2003)
Sediment echosounding ,
[Field Report]
hdl:10013/epic.19644
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Field Report
Stein, R. , Drachev, S. , Fahl, K. , Hefter, J. , Kassens, H. , Kokina, N. , Matthießen, J. , 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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