Gerhard Fischer

8.5k citations

90 papers · 6.1k indexed · 2 hit papers · h-index 41

Co-authors: Gerold Wefer Roger François Morten Hvitfeldt Iversen Volker Ratmeyer Mark A. Altabet Daniel M. Sigman D. C. McCorkle Rainer Gersonde
Topics: Marine and coastal ecosystems (69 papers)Geology and Paleoclimatology Research (34 papers)Marine Biology and Ecology Research (32 papers)
Cited by: Oceanography Atmospheric Science Environmental Chemistry
Journals: Nature Science Journal of Geophysical Research Atmospheres
Partner nations: Germany United States Netherlands

In The Last Decade

Gerhard Fischer

89 papers receiving 5.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2000 584 citations Gerhard Fischer et al. profile →
Use of proxies in paleoceanography : examples from the South Atlantic

1999 524 citations Gerhard Fischer, Gerold Wefer Springer eBooks profile →

Peers

Countries citing papers authored by Gerhard Fischer

Since Specialization

Citations

This map shows the geographic impact of Gerhard Fischer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Gerhard Fischer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Gerhard Fischer more than expected).

Fields of papers citing papers by Gerhard Fischer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gerhard Fischer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Gerhard Fischer. The network helps show where Gerhard Fischer may publish in the future.

Co-authorship network of co-authors of Gerhard Fischer

This figure shows the co-authorship network connecting the top 25 collaborators of Gerhard Fischer. A scholar is included among the top collaborators of Gerhard Fischer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Gerhard Fischer. Gerhard Fischer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Performance of temperature and productivity proxies based on long-chain alkane-1, mid-chain diols at test: a 5-year sediment trap record from the Mauritanian upwelling 2022 ·Biogeosciences ·Gerard J M Versteegh,Karin A F Zonneveld,Jens Hefter,Oscar E Romero,Gerhard Fischer,Gesine Mollenhauer	7
2	Carbonate fluxes by coccolithophore species between NW Africa and the Caribbean: Implications for the biological carbon pump 2021 ·Limnology and Oceanography ·Catarina Guerreiro,Karl‐Heinz Baumann,Geert-Jan A Brummer,André Valente,Gerhard Fischer,Patrizia Ziveri,Vanda Brotas,Jan-Berend W Stuut	18
3	Performance of long-chain mid-chan diol based temperature and productivity proxies at test: a five-years sediment trap record from the Mauritanian upwelling 2021 ·Gerard J M Versteegh,Karin A F Zonneveld,Jens Hefter,Oscar E Romero,Gerhard Fischer,Gesine Mollenhauer	1
4	A 2-decade (1988–2009) record of diatom fluxes in the Mauritanian coastal upwelling: impact of low-frequency forcing and a two-step shift in the species composition 2021 ·Biogeosciences ·Oscar E Romero,Simon Ramondenc,Gerhard Fischer	7
5	Seasonal flux patterns and carbon transport from low-oxygen eddies at the Cape Verde Ocean Observatory: lessons learned from a time series sediment trap study (2009–2016) 2021 ·Biogeosciences ·Gerhard Fischer,Oscar E Romero,Johannes Karstensen,Karl‐Heinz Baumann,(unknown),Morten Hvitfeldt Iversen,Götz Ruhland,(unknown),Arne Körtzinger	2
6	Flux variability of phyto- and zooplankton communities in the Mauritanian coastal upwelling between 2003 and 2008 2020 ·Biogeosciences ·Oscar E Romero,Karl‐Heinz Baumann,Karin A F Zonneveld,Barbara Donner,Jens Hefter,(unknown),Vera Pospelova,Gerhard Fischer	24
7	Seasonality of archaeal lipid flux and GDGT-based thermometry in sinking particles of high-latitude oceans: Fram Strait (79° N) and Antarctic Polar Front (50° S) 2019 ·Biogeosciences ·Eunmi Park,Jens Hefter,Gerhard Fischer,Morten Hvitfeldt Iversen,Simon Ramondenc,Eva‐Maria Nöthig,Gesine Mollenhauer	23
8	Seasonal provenance changes in present-day Saharan dust collected in and off Mauritania 2017 ·Atmospheric chemistry and physics ·(unknown),(unknown),Christoph Vogt,Gerhard Fischer,Jan-Berend W Stuut	20
9	Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust 2017 ·Biogeosciences ·Catarina Guerreiro,Karl‐Heinz Baumann,Geert-Jan A Brummer,Gerhard Fischer,Laura F Korte,Ute Merkel,Carolina Sá,Henko de Stigter,Jan-Berend W Stuut	26
10	Coccolithophore fluxes in the open tropical North Atlantic: influence of the Amazon river and of Saharan dust deposition 2017 ·Catarina Guerreiro,Karl‐Heinz Baumann,Geert-Jan A Brummer,Gerhard Fischer,Laura F Korte,Ute Merkel,Carolina Sá,Henko de Stigter,Jan-Berend W Stuut	4
11	Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation 2016 ·Biogeosciences ·Gerhard Fischer,Johannes Karstensen,Oscar E Romero,Karl‐Heinz Baumann,Barbara Donner,Jens Hefter,Gesine Mollenhauer,Morten Hvitfeldt Iversen,Björn Fiedler,(unknown),Arne Körtzinger	15
12	Deep ocean mass fluxes in the coastal upwelling off Mauritania from 1988 to 2012: variability on seasonal to decadal timescales 2016 ·Biogeosciences ·Gerhard Fischer,Oscar E Romero,Ute Merkel,Barbara Donner,Morten Hvitfeldt Iversen,(unknown),Volker Ratmeyer,Götz Ruhland,(unknown),Gerold Wefer	46
13	Eddies as trigger for diatom productivity in the open-ocean Northeast Atlantic 2016 ·Progress In Oceanography ·Oscar E Romero,Gerhard Fischer,Johannes Karstensen,Pedro Cermeño	14
14	Open ocean dead zones in the tropical North Atlantic Ocean 2015 ·Biogeosciences ·Johannes Karstensen,Björn Fiedler,Florian Schütte,Peter Brandt,Arne Körtzinger,Gerhard Fischer,Rainer Zantopp,Johannes Hahn,Martin Visbeck,Douglas W.R. Wallace	68
15	A four-year record of UK′37- and TEX86-derived sea surface temperature estimates from sinking particles in the filamentous upwelling region off Cape Blanc, Mauritania 2014 ·Deep Sea Research Part I Oceanographic Research Papers ·Gesine Mollenhauer,(unknown),Jung-Hyun Kim,Jaap S. Sinninghe Damsté,Gerhard Fischer	29
16	Manual de viticultura tropical 2012 ·(unknown),(unknown),Gerhard Fischer	3
17	Sinking rates and ballast composition of particles in the Atlantic Ocean: implications for the organic carbon fluxes to the deep ocean 2009 ·Biogeosciences ·Gerhard Fischer,G. Karakaş	125
18	Use of proxies in paleoceanography : examples from the South Atlanticbreakdown → 1999 ·Springer eBooks ·Gerhard Fischer,Gerold Wefer	524
19	IIASA Eurasia: The IIASA Land Use Change Project (LUC) 1997 ·IIASA PURE (International Institute of Applied Systems Analysis) ·Gerhard Fischer	2
20	Report and preliminary results of Meteor-Cruise M 34/4, Recife-Bridgetown 1996 ·Media (https://www.suub.uni-bremen.de/) ·Gerhard Fischer	9

About Gerhard Fischer

Gerhard Fischer is a scholar working on Oceanography, Atmospheric Science and Environmental Chemistry, having authored 90 papers that have together received 6.1k indexed citations. Recurring topics across this work include Marine and coastal ecosystems (69 papers), Geology and Paleoclimatology Research (34 papers) and Marine Biology and Ecology Research (32 papers). The work is most often cited by research in Oceanography (4.3k citations), Atmospheric Science (3.2k citations) and Environmental Chemistry (1.1k citations). Gerhard Fischer has collaborated with scholars based in Germany, United States and Netherlands. Frequent co-authors include Gerold Wefer, Roger François, Morten Hvitfeldt Iversen, Volker Ratmeyer, Mark A. Altabet, Daniel M. Sigman, D. C. McCorkle, Rainer Gersonde, Helle Ploug and Dieter K Fütterer. Their work appears in journals such as Nature, Science and Journal of Geophysical Research Atmospheres.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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