Gerhard Fischer

8.5k total citations · 2 hit papers
90 papers, 6.1k citations indexed

About

Gerhard Fischer is a scholar working on Oceanography, Atmospheric Science and Ecology. According to data from OpenAlex, Gerhard Fischer has authored 90 papers receiving a total of 6.1k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Oceanography, 43 papers in Atmospheric Science and 23 papers in Ecology. Recurrent topics in Gerhard Fischer's work include Marine and coastal ecosystems (69 papers), Geology and Paleoclimatology Research (34 papers) and Marine Biology and Ecology Research (32 papers). Gerhard Fischer is often cited by papers focused on Marine and coastal ecosystems (69 papers), Geology and Paleoclimatology Research (34 papers) and Marine Biology and Ecology Research (32 papers). Gerhard Fischer collaborates with scholars based in Germany, United States and Netherlands. Gerhard Fischer's co-authors include Gerold Wefer, Roger François, Morten Hvitfeldt Iversen, Volker Ratmeyer, Mark A. Altabet, D. C. McCorkle, Daniel M. Sigman, Rainer Gersonde, Helle Ploug and Dieter K Fütterer and has published in prestigious journals such as Nature, Science and Journal of Geophysical Research Atmospheres.

In The Last Decade

Gerhard Fischer

89 papers receiving 5.8k citations

Hit Papers

align trajectories sort by overperformance

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 — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Gerhard Fischer Germany	41	4.3k	3.2k	2.6k	1.1k	801	90	6.1k
C.D. Charles United States	37	2.2k 0.5×	4.8k 1.5×	2.8k 1.1×	1.2k 1.1×	1.4k 1.8×	74	6.0k
Tsung‐Hung Peng United States	32	3.3k 0.8×	2.6k 0.8×	1.6k 0.6×	1.1k 1.0×	2.0k 2.4×	48	6.0k
Daniel C. McCorkle United States	36	2.6k 0.6×	2.0k 0.6×	2.4k 0.9×	850 0.8×	841 1.0×	58	4.3k
Thomas W. Trull Australia	50	5.8k 1.4×	2.0k 0.6×	2.7k 1.1×	791 0.7×	1.2k 1.5×	140	7.9k
Fatima F Abrantes Portugal	43	1.6k 0.4×	3.2k 1.0×	1.6k 0.6×	642 0.6×	468 0.6×	132	4.6k
Xavier Crosta France	39	1.7k 0.4×	4.1k 1.3×	1.9k 0.7×	1.1k 0.9×	411 0.5×	118	4.8k
Rainer Gersonde Germany	52	3.1k 0.7×	6.0k 1.9×	3.0k 1.2×	1.9k 1.7×	481 0.6×	175	7.4k
Carles Pelejero Spain	37	1.4k 0.3×	2.9k 0.9×	1.9k 0.7×	1.0k 0.9×	619 0.8×	77	4.2k
Daniela N. Schmidt United Kingdom	38	1.9k 0.5×	3.2k 1.0×	1.7k 0.7×	696 0.6×	578 0.7×	129	4.8k
Susumu Honjo United States	53	8.1k 1.9×	4.5k 1.4×	3.8k 1.5×	1.9k 1.7×	1.4k 1.7×	115	10.7k

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

Versteegh, Gerard J M, Karin A F Zonneveld, Jens Hefter, et al.. (2022). 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. Biogeosciences. 19(5). 1587–1610. 7 indexed citations

Guerreiro, Catarina, Karl‐Heinz Baumann, Geert-Jan A Brummer, et al.. (2021). Carbonate fluxes by coccolithophore species between NW Africa and the Caribbean: Implications for the biological carbon pump. Limnology and Oceanography. 66(8). 3190–3208. 18 indexed citations

Romero, Oscar E, Simon Ramondenc, & Gerhard Fischer. (2021). 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. Biogeosciences. 18(5). 1873–1891. 7 indexed citations

Fischer, Gerhard, Oscar E Romero, Johannes Karstensen, et al.. (2021). 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). Biogeosciences. 18(24). 6479–6500. 2 indexed citations

Versteegh, Gerard J M, Karin A F Zonneveld, Jens Hefter, et al.. (2021). Performance of long-chain mid-chan diol based temperature and productivity proxies at test: a five-years sediment trap record from the Mauritanian upwelling. 1 indexed citations

Romero, Oscar E, Karl‐Heinz Baumann, Karin A F Zonneveld, et al.. (2020). Flux variability of phyto- and zooplankton communities in the Mauritanian coastal upwelling between 2003 and 2008. Biogeosciences. 17(1). 187–214. 24 indexed citations

Park, Eunmi, Jens Hefter, Gerhard Fischer, et al.. (2019). 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). Biogeosciences. 16(11). 2247–2268. 23 indexed citations

Guerreiro, Catarina, Karl‐Heinz Baumann, Geert-Jan A Brummer, et al.. (2017). Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust. Biogeosciences. 14(20). 4577–4599. 26 indexed citations

Guerreiro, Catarina, Karl‐Heinz Baumann, Geert-Jan A Brummer, et al.. (2017). Coccolithophore fluxes in the open tropical North Atlantic: influence of the Amazon river and of Saharan dust deposition. 4 indexed citations

10.

Vogt, Christoph, et al.. (2017). Seasonal provenance changes in present-day Saharan dust collected in and off Mauritania. Atmospheric chemistry and physics. 17(16). 10163–10193. 20 indexed citations

11.

Fischer, Gerhard, Johannes Karstensen, Oscar E Romero, et al.. (2016). Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation. Biogeosciences. 13(11). 3203–3223. 15 indexed citations

12.

Fischer, Gerhard, Oscar E Romero, Ute Merkel, et al.. (2016). Deep ocean mass fluxes in the coastal upwelling off Mauritania from 1988 to 2012: variability on seasonal to decadal timescales. Biogeosciences. 13(10). 3071–3090. 46 indexed citations

13.

Karstensen, Johannes, Björn Fiedler, Florian Schütte, et al.. (2015). Open ocean dead zones in the tropical North Atlantic Ocean. Biogeosciences. 12(8). 2597–2605. 68 indexed citations

14.

Mollenhauer, Gesine, et al.. (2014). 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. Deep Sea Research Part I Oceanographic Research Papers. 97. 67–79. 29 indexed citations

15.

Fischer, Gerhard, et al.. (2012). Manual de viticultura tropical. 3 indexed citations

16.

Fischer, Gerhard & G. Karakaş. (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). 85–102. 125 indexed citations

17.

Walter, Hans-Jürgen, Walter Geibert, Michiel M Rutgers van der Loeff, Gerhard Fischer, & Ulrich Bathmann. (2001). Shallow vs. deep-water scavenging of and in radionuclide enriched waters of the Atlantic sector of the Southern Ocean. Deep Sea Research Part I Oceanographic Research Papers. 48(2). 471–493. 34 indexed citations

18.

Fischer, Gerhard & Gerold Wefer. (1999). Use of proxies in paleoceanography : examples from the South Atlantic. Springer eBooks. 524 indexed citations breakdown →

19.

Fischer, Gerhard. (1997). IIASA Eurasia: The IIASA Land Use Change Project (LUC). IIASA PURE (International Institute of Applied Systems Analysis). 2 indexed citations

20.

Fischer, Gerhard. (1996). Report and preliminary results of Meteor-Cruise M 34/4, Recife-Bridgetown. Media (https://www.suub.uni-bremen.de/). 80. 9 indexed citations

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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