Items where Author is "Fischer, G."

Article

Romero, O. E. , Baumann, K. H. , Zonneveld, K. A. F. , Donner, B. , Hefter, J.

, Hamady, B. , Pospelova, V. and Fischer, G. (2020)
Flux variability of phyto- and zooplankton communities in the Mauritanian coastal upwelling between 2003 and 2008 ,

Biogeosciences, 17 (1), pp. 187-214 .

doi:10.5194/bg-17-187-2020 , hdl:10013/epic.553ac159-9c31-4930-8144-d9b861b7cb72

Preview

Article

Markussen, T. , Konrad, C. , Waldmann, C. , Becker, M. , Fischer, G. and Iversen, M.

(2020)
Tracks in the Snow – Advantage of Combining Optical Methods to Characterize Marine Particles and Aggregates ,

Frontiers in Marine Research .

doi:10.3389/fmars.2020.00476 , hdl:10013/epic.56be81bd-38c2-4ad7-93a1-2339258ad5ae

Article

Park, E. , Hefter, J.

, Fischer, G. , Iversen, M.

, Ramondenc, S. , Nöthig, E. M.

and Mollenhauer, G.

(2019)
Seasonality of archaeal lipid flux and GDGT-based thermometry in sinking particles of high latitude regions: Fram Strait (79° N) and Antarctic Polar Front (50° S) ,

Biogeosciences .

doi:10.5194/bg-2019-34 , hdl:10013/epic.62e322bd-cd4c-4af2-bbd1-7a3628544d20

Article

Fischer, G. , Romero, O. , Toby, E. , Iversen, M. , Donner, B. , Mollenhauer, G.

, Nowald, N. , Ruhland, G. , Klann, M. , Hamady, B. and Wefer, G. (2019)
Changes in the Dust‐Influenced Biological Carbon Pump in the Canary Current System: Implications From a Coastal and an Offshore Sediment Trap Record Off Cape Blanc, Mauritania ,

Global Biogeochemical Cycles, 33 (8), pp. 1100-1128 .

doi:10.1029/2019GB006194 , hdl:10013/epic.2de55045-b839-4939-8b73-207a7d7fdde4

Article

Fischer, G. , Romero, O. , Toby, E. , Iversen, M.

, Donner, B. , Mollenhauer, G.

, Nowald, N. , Ruhland, G. , Klann, M. , Hamady, B. and Wefer, G. (2019)
Changes in the Dust‐Influenced Biological Carbon Pump in the Canary Current System: Implications From a Coastal and an Offshore Sediment Trap Record Off Cape Blanc, Mauritania ,

Global Biochemical Cycles, 33 (8), pp. 1100-1128 .

doi:10.1029/2019GB006194 , hdl:10013/epic.5ae0e0dc-75d1-44e6-9821-3152609d4098

Article

Fischer, G. , Romero, E. , Merkel, U. , Donner, B. , Iversen, M. H.

, Nowald, N. , Ratmeyer, V. , Ruhland, G. , Klann, M. and Wefer, G. (2016)
Deep ocean mass fluxes in the coastal upwelling off Mauritania from 1988 to 2012: Variability on seasonal to decadal timescales ,

Biogeosciences, 13 , pp. 3071-3090 .

doi:10.5194/bg-13-3071-2016 , hdl:10013/epic.49790

Article

Neuer, S. , Iversen, M.

and Fischer, G. (2016)
The Ocean’s Biological Carbon Pump as Part of the Global Carbon Cycle ,

Bulletin Limnology and Oceanography, 25 (1), pp. 22-23 .

doi:10.1002/lob.10083 , hdl:10013/epic.50514

Book

Wefer, G. , Fischer, G. and Iversen, M.

(2016)
Export Production / Harff, J. , Meschede, M. , Petersen, S. and Thiede, J. (editors) ,

Springer .

doi:10.1007/978:94-007-6644-0_59-1 , hdl:10013/epic.50515

Article

Nowald, N. , Iversen, M.

, Fischer, G. , Ratmeyer, V. and Wefer, G. (2015)
Time series of in-situ particle properties and sediment trap fluxes in the coastal upwelling filament off Cape Blanc, Mauritania ,

Progress In Oceanography, 137 , pp. 1-11 .

doi:10.1016/j.pocean.2014.12.015 , hdl:10013/epic.45698

Article

Neuer, S. , Iversen, M.

and Fischer, G. (2014)
The Ocean's Biological Carbon Pump as Part of the Global Carbon Cycle. ,

Limnology and Oceanography e-Lectures, 4 (4), pp. 1-51 .

doi:10.4319/lol.2014.sneuer.miversen.gfischer.9 , hdl:10013/epic.45701

Article

Iversen, M.

, Nowald, N. , Ploug, H. , Jackson, G. A. and Fischer, G. (2010)
High resolution profiles of vertical particulate organic matter export off Cape Blanc, Mauritania: Degradation processes and ballasting effects. ,

Deep-Sea Res. I. 57:, pp. 771-784 .

doi:10.1016/j.dsr.2010.03.007 , hdl:10013/epic.34705

Inbook

Fischer, G. , Neuer, S. , Davenport, R. , Helmke, P. , Schlitzer, R.

, Romero, O. , Ratmeyer, V. , Donner, B. , Freudenthal, T. , Meggers, H. and Wefer, G. (2010)
The Northwest African Margin ,

in "Liu, K.-K., Atkinson, L., Quiñones, R., Talaue-McManus, L. (Editors), 2010. Carbon and Nutrient Fluxes in Continental Margins: A Global Synthesis. IGBP Book Series. Springer, Berlin" .

hdl:10013/epic.34356

Article

Karakas, G. , Nowald, N. , Schäfer-Neth, C.

, Iversen, M.

, Barkmann, W. , Fischer, G. , Marchesiello, P. and Schlitzer, R.

(2009)
Impact of particle aggregation on vertical fluxes of organic matter ,

Progress in Oceanography, 83, 331-341, 83 , pp. 331-341 .

doi:10.1016/j.pocean.2009.07.047 , hdl:10013/epic.33710

Preview

Article

Nowald, N. , Fischer, G. , Ratmeyer, V. , Iversen, M.

, Reuter, C. and Wefer, G. (2009)
In-situ sinking speed measurements of marine snow aggregates aquired with a settling chamber mounted to the Cherokee ROV ,

OCEANS, pp. 1-6 .

doi:10.1109/OCEANSE.2009.5278186 , hdl:10013/epic.45706

Conference -Talk

Iversen, M.

, Ploug, H. , Nowald, N. , Jackson, G. A. and Fischer, G. (2009)
Particulate organic matter export: Degradation processes and ballasting effects ,

American Society for Limnology and Oceanography (ASLO) Aquatic Science Meeting, NiceJanuary. .

hdl:10013/epic.31724

Article

Fischer, G. and Karakas, G. (2009)
Sinking rates and ballast composition of particles in the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean ,

Biogeosciences, 6 (1), pp. 85-102 .

hdl:10013/epic.34576

Preview

Article

Ploug, H. , Iversen, M.

and Fischer, G. (2008)
Ballast, sinking velocity and apparent diffusivity in marine snow and zooplankton fecal pellets: Implications for substrate turnover by attached bacteria ,

Limnol. Oceanogr. 53(5), pp. 1878-1886 .

hdl:10013/epic.34706

Preview

Article

Ploug, H. , Iversen, M.

and Fischer, G. (2008)
Ballast, sinking velocity and apparent diffusivity in marine snow and zooplankton fecal pellets: Implications for substrate turnover by attached bacteria. ,

Limnol. Oceanogr. in press:, 53 , pp. 1878-1886 .

hdl:10013/epic.30879

Preview

Conference -Talk

Fischer, G. , Karakas, G. , Schlitzer, R.

, Nowald, N. and Wefer, G. (2008)
Particle fluxes and particle transport from the shelf to the open ocean off Cape Blanc, Mauretania: results from observational and modelling studies ,

Symposium on Eastern Boundary Upwelling Ecosystems: integrative and comparative approaches. 2-6 June 2008, Las Palmas de Gran Canaria, Spain. .

hdl:10013/epic.30636

Conference -Talk

Karakas, G. , Schäfer-Neth, C.

, Fischer, G. , Nowald, N. , Marchesiello, P. and Schlitzer, R.

(2008)
Simulation of particle aggregation and export in an eastern boundary upwelling system ,

Symposium on Eastern Boundary Upwelling Ecosystems: integrative and comparative approaches. 2-6 June 2008, Las Palmas de Gran Canaria, Spain. .

hdl:10013/epic.30635

Article

Fischer, G. and Karakas, G. (2008)
Sinking rates of particles in biogenic silica- and carbonate-dominated production systems of the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean ,

Biogeosciences Discussions, 5 , pp. 2541-2581 .

hdl:10013/epic.30681

Preview

Article

Fischer, G. , Karakas, G. , Blaas, M. , Ratmeyer, V. , Nowald, N. , Schlitzer, R.

, Helmke, P. , Davenport, R. , Donner, B. , Neuer, S. and Wefer, G. (2007)
Mineral ballast and particle settling rates in the coastal upwelling system off NW Africa and the South Atlantic ,

International Journal of Earth Sciences. .

doi:10.1007/s00531-007-0234-7 , hdl:10013/epic.28482

Preview

Conference -Poster

Karakas, G. , Fischer, G. , Marchesiello, P. and Schlitzer, R.

(2007)
Organic carbon export in the NW African high productivity zone ,

Geophysical Research Abstracts 9 .

hdl:10013/epic.27829

Article

Nowald, N. , Karakas, G. , Ratmeyer, V. , Fischer, G. , Schlitzer, R.

, Davenport, R. and Wefer, G. (2006)
Distribution and transport processes of marine particulate matter off Cape Blanc (NW-Africa): results from vertical camera profiles ,

Ocean Science Discussions, 3 , pp. 903-938 .

hdl:10013/epic.28483

Preview

Conference -Talk

Fischer, G. , Helmke, P. , Karakas, G. , Nowald, N. , Davenport, R. , Ratmeyer, V. and Wefer, G. (2006)
Vertical and horizontal transport of particles in the coastal upwelling filament off Cape Blanc, Mauretania ,

Geophysical Research Abstracts 8 .

hdl:10013/epic.27828

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 .

hdl:10013/epic.16252

Preview

Article

Schneider, B. , Schlitzer, R.

, Fischer, G. and Nöthig, E. M.

(2003)
Depth Dependent Elemental Compositions of Particulate Organic Matter (POM) in the Ocean ,

Global biogeochemical cycles, 17(2).1029/2002GB001871, 10 .

hdl:10013/epic.15661

Preview

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

Preview

Conference -Talk

Schneider, B. , Schlitzer, R.

, Fischer, G. and Nöthig, E. M.

(2002)
Depth Dependent Elemental Compositions of Particulate Organic Matter (POM) in the Ocean ,

Ocean Science Meeting, 11-15 Feb., Honolulu, Hawaii. .

hdl:10013/epic.20146

Article

Fischer, G. , Gersonde, R. and Wefer, G. (2002)
Organic carbon, biogenic silica and diatom fluxes in the marginal winter sea-ice zone and in the Polar Front Region: interannual variations and differences in composition ,

Deep-Sea Research II, 49 (9), pp. 1721-1745 .

doi:10.1016/S0967-0645(02)00009-7 , hdl:10013/epic.15344

Article

Antia, A. N. , Koeve, W. , Fischer, G. , Blanz, T. , Schulz-Bull, D. , Scholten, J. , Neuer, S. , Kremling, K. , Kuss, J. , Peinert, R. , Hebbeln, D. , Bathmann, U. , Conte, M. , Fehner, U. and Zeitzschel, B. (2001)
Basin-wide particulate carbon flux in the Atlantic Ocean: Regional export patterns and potential for atmospheric CO2 sequestration. ,

Global Biogeochemical Cycles, 15 (4), pp. 845-862 .

doi:10.1029/2000GB001376 , hdl:10013/epic.14989

Article

Walter, H. J. , Geibert, W.

, Rutgers v. d. Loeff, M.

, Fischer, G. and Bathmann, U. (2001)
Shallow vs deep-water scavenging of 231Pa and 230Th in radionuclide enriched waters of the Atlantic sector of the Southern Ocean ,

Deep-Sea Research I, 48 (2), pp. 471-493 .

doi:10.1016/S0967-0637(00)00046-7 , hdl:10013/epic.13838

Inbook

Wefer, G. , Berger, W. H. , Bijma, J.

and Fischer, G. (1999)
Clues to ocean history: a brief overview of proxies ,

Use of proxies in paleoceanography - Examples from the South Atlantic (G Fischer, G Wefer, eds) Springer, Berlin, Heidelberg .

hdl:10013/epic.13884

Conference -Poster

Didié, C. , Bohrmann, G. and Fischer, G. (1997)
Productivity of the Antarctic Circumpolar Current: indications from surface sediment samples (5°W-45°E) ,

EUG '97, 23.-27.3.1997, Strasbourg, France. .

hdl:10013/epic.18444

Article

Mackensen, A.

, Hubberten, H. W. , Bickert, T. , Fischer, G. and Fütterer, D. (1993)
The d13C in benthic foraminiferal tests of Fontbotia wuellerstorfi (Schwager) relative to d13C of dissolved inorganic carbon in Southern Ocean deep water: implications for glacial ocean circulation models ,

Paleoceanography, 8 (5), pp. 587-610 .

hdl:10013/epic.12618

Article

Fischer, G. and Wiencke, C. (1992)
Stable carbon isotope composition, depth distribution and fate of macroalgae from the Antarctic Peninsula region ,

Polar Biology, 12 , pp. 341-348 .

hdl:10013/epic.11405

Article

Bathmann, U. , Fischer, G. , Müller, P. and Gerdes, D. (1991)
Short-term variations in particulate matter sedimentation off Kapp Norvegia, Weddell Sea, Antarctica relation to water mass advection, ice cover, plankton biomass and feeding activity ,

Polar Biology, 11 , pp. 185-195 .

hdl:10013/epic.10769

Article

Wiencke, C. and Fischer, G. (1990)
Growth and stable carbon isotope composition of cold-water macroalgae in relation to light and temperature ,

Marine ecology-progress series, 65 , pp. 283-292 .

hdl:10013/epic.13962

Book

Wefer, G. , Fischer, G. , Fütterer, D. , Gersonde, R. , Honjo, S. and Ostermann, D. (1990)
Particle sedimentation and productivity in Antarctic waters of the Atlantic sector ,

Geological history of the polar oceans Arctic versus Antarctic (U Bleil, J Thiede, eds ) NATO ASI series, Kluwer, Dordrecht ,C308 .

hdl:10013/epic.13883

Inbook

Williams, P. J. , von Bodungen, B. , Bathmann, U. , Berger, W. H. , Eppley, R. W. , Feldman, G. C. , Fischer, G. , Legendre, L. , Minster, J. F. , Reynolds, C. S. , Smetacek, V. and Toggweiler, J. R. (1989)
Export Productivity from the Photic Zone ,

In: Productivity of the Ocean: Present and Past. (eds. W.H. Berger, V.S. Smetacek and G. Wefer), John Wiley & Sons Limited. Dahlem Konferenzen. .

hdl:10013/epic.16224

Article

Wefer, G. , Fischer, G. , Fütterer, D. and Gersonde, R. (1988)
Seasonal particle flux in the Bransfield Strait, Antarctica ,

Deep-Sea Research I, 35 (6), pp. 891-898 .

hdl:10013/epic.13882

Article

Fischer, G. , Fütterer, D. , Gersonde, R. , Honjo, S. , Ostermann, D. and Wefer, G. (1988)
Seasonal variability of particle flux in the Weddell Sea and its relation to ice cover ,

Nature, 335 , pp. 426-428 .

hdl:10013/epic.11404

Article

von Bodungen, B. , Fischer, G. , Nöthig, E. M.

and Wefer, G. (1987)
Sedimentation of krill faeces during spring development of phytoplankton in Bransfield Strait, Antarctica ,

Mitt Geol Paläont Inst Univ Hamburg, SCOPE/UNEP Sonderbd., 62 , pp. 243-257 .

hdl:10013/epic.10961