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Gerhard Fischer
Gerhard Fischer
Senior Scientist and Lecturer (retired), Geosciences Dept., Univ. Bremen (ALUMNI)
Adresse e-mail validée de uni-bremen.de
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A review of the Si cycle in the modern ocean: recent progress and missing gaps in the application of biogenic opal as a paleoproductivity proxy
O Ragueneau, P Tréguer, A Leynaert, RF Anderson, MA Brzezinski, ...
Global and Planetary Change 26 (4), 317-365, 2000
8072000
The δ13C in benthic foraminiferal tests of Fontbotia wuellerstorfi (Schwager) Relative to the δ13C of dissolved inorganic carbon in Southern Ocean Deep Water …
A Mackensen, HW Hubberten, T Bickert, G Fischer, DK Fütterer
Paleoceanography 8 (5), 587-610, 1993
3851993
The δ15N of nitrate in the southern ocean: Consumption of nitrate in surface waters
DM Sigman, MA Altabet, DC McCorkle, R Francois, G Fischer
Global Biogeochemical Cycles 13 (4), 1149-1166, 1999
3551999
The δ15N of nitrate in the Southern Ocean: Nitrogen cycling and circulation in the ocean interior
DM Sigman, MA Altabet, DC McCorkle, R Francois, G Fischer
Journal of Geophysical Research: Oceans 105 (C8), 19599-19614, 2000
3232000
Seasonal particle flux in the Bransfield Strait, Antarctica
G Wefer, G Fischer, D Füetterer, R Gersonde
Deep Sea Research Part A. Oceanographic Research Papers 35 (6), 891-898, 1988
2961988
Seasonal variability of particle flux in the Weddell Sea and its relation to ice cover
G Fischer, D Fütterer, R Gersonde, S Honjo, D Ostermann, G Wefer
Nature 335 (6189), 426-428, 1988
2941988
Seasonal patterns of vertical particle flux in equatorial and coastal upwelling areas of the eastern Atlantic
G Wefer, G Fischer
Deep Sea Research Part I: Oceanographic Research Papers 40 (8), 1613-1645, 1993
2621993
Clues to ocean history: a brief overview of proxies
G Wefer, WH Berger, J Bijma, G Fischer
Use of proxies in paleoceanography: examples from the South Atlantic, 1-68, 1999
2371999
Basin‐wide particulate carbon flux in the Atlantic Ocean: Regional export patterns and potential for atmospheric CO2 sequestration
AN Antia, W Koeve, G Fischer, T Blanz, D Schulz‐Bull, J Schölten, ...
Global Biogeochemical Cycles 15 (4), 845-862, 2001
2332001
Ballast, sinking velocity, and apparent diffusivity within marine snow and zooplankton fecal pellets: Implications for substrate turnover by attached bacteria
H Ploug, MH Iversen, G Fischer
Limnology and Oceanography 53 (5), 1878-1886, 2008
2172008
Annual primary production and export flux in the Southern Ocean from sediment trap data
G Wefer, G Fischer
Marine Chemistry 35 (1-4), 597-613, 1991
2171991
Use of Proxies in Paleoceanography: Examples from the South Atlantic
G Fischer, G Wefer
Springer, Berlin, Heidelberg, 1999
213*1999
Short-term variations in particulate matter sedimentation off Kapp Norvegia, Weddell Sea, Antarctica: relation to water mass advection, ice cover, plankton biomass and feeding …
U Bathmann, G Fischer, PJ Müller, D Gerdes
Polar Biology 11, 185-195, 1991
1781991
Sensitivity of planktic foraminifera to sea surface temperature and export production as derived from sediment trap data
S Žarić, B Donner, G Fischer, S Mulitza, G Wefer
Marine Micropaleontology 55 (1-2), 75-105, 2005
1772005
High resolution profiles of vertical particulate organic matter export off Cape Blanc, Mauritania: Degradation processes and ballasting effects
MH Iversen, N Nowald, H Ploug, GA Jackson, G Fischer
Deep Sea Research Part I: Oceanographic Research Papers 57 (6), 771-784, 2010
1732010
Stable carbon isotope ratios of plankton carbon and sinking organic matter from the Atlantic sector of the Southern Ocean
G Fischer
Marine Chemistry 35 (1-4), 581-596, 1991
1621991
Sinking rates and ballast composition of particles in the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean
G Fischer, G Karakaş
Biogeosciences 6 (1), 85-102, 2009
1562009
Depth‐dependent elemental compositions of particulate organic matter (POM) in the ocean
B Schneider, R Schlitzer, G Fischer, EM Nöthig
Global Biogeochemical Cycles 17 (2), 2003
1532003
Lithogenic particle fluxes and grain size distributions in the deep ocean off northwest Africa: Implications for seasonal changes of aeolian dust input and downward transport
V Ratmeyer, G Fischer, G Wefer
Deep Sea Research Part I: Oceanographic Research Papers 46 (8), 1289-1337, 1999
1531999
Growth and stable carbon isotope composition of cold-water macroalgae in relation to light and temperature
C Wiencke, G Fischer
Marine Ecology Progress Series, 283-292, 1990
1421990
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