Claudia Ehlert

1.3k total citations · 1 hit paper
25 papers, 775 citations indexed

About

Claudia Ehlert is a scholar working on Atmospheric Science, Oceanography and Geochemistry and Petrology. According to data from OpenAlex, Claudia Ehlert has authored 25 papers receiving a total of 775 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Atmospheric Science, 11 papers in Oceanography and 11 papers in Geochemistry and Petrology. Recurrent topics in Claudia Ehlert's work include Geology and Paleoclimatology Research (22 papers), Geochemistry and Elemental Analysis (11 papers) and Marine and coastal ecosystems (10 papers). Claudia Ehlert is often cited by papers focused on Geology and Paleoclimatology Research (22 papers), Geochemistry and Elemental Analysis (11 papers) and Marine and coastal ecosystems (10 papers). Claudia Ehlert collaborates with scholars based in Germany, France and United States. Claudia Ehlert's co-authors include Martin Frank, Patricia Grasse, Kristin Doering, Katharina Pahnke, Jill Sutton, Florian Scholz, Klaus Wallmann, Sonja Geilert, Aude Leynaert and María López‐Acosta and has published in prestigious journals such as Geochimica et Cosmochimica Acta, Earth and Planetary Science Letters and Limnology and Oceanography.

In The Last Decade

Claudia Ehlert

25 papers receiving 768 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.

Reviews and syntheses: The biogeochemical cycle of silicon in the modern ocean

2021 173 citations Paul Tréguer, Jill Sutton et al. Biogeosciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Claudia Ehlert Germany	15	432	347	257	187	144	25	775
Patricia Grasse Germany	21	454 1.1×	480 1.4×	376 1.5×	219 1.2×	123 0.9×	33	1.0k
Sonja Geilert Germany	17	263 0.6×	436 1.3×	169 0.7×	231 1.2×	176 1.2×	36	841
Charlotte P. Beucher United States	18	639 1.5×	492 1.4×	507 2.0×	232 1.2×	172 1.2×	23	1.1k
Panagiotis Michalopoulos United States	6	331 0.8×	357 1.0×	134 0.5×	241 1.3×	196 1.4×	9	729
Xiaole Sun Sweden	17	297 0.7×	233 0.7×	262 1.0×	119 0.6×	306 2.1×	41	840
Guillaume Fontorbe Sweden	10	221 0.5×	301 0.9×	78 0.3×	180 1.0×	66 0.5×	10	512
François Fripiat Belgium	22	768 1.8×	299 0.9×	732 2.8×	131 0.7×	267 1.9×	58	1.3k
Shaily Rahman United States	10	210 0.5×	180 0.5×	127 0.5×	89 0.5×	103 0.7×	14	438
Lihua Ran China	13	420 1.0×	101 0.3×	324 1.3×	111 0.6×	207 1.4×	39	797
Harold J. Hughes Belgium	13	184 0.4×	325 0.9×	93 0.4×	39 0.2×	127 0.9×	27	612

Countries citing papers authored by Claudia Ehlert

Since Specialization

Citations

This map shows the geographic impact of Claudia Ehlert'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 Claudia Ehlert with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Claudia Ehlert more than expected).

Fields of papers citing papers by Claudia Ehlert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Claudia Ehlert. 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 Claudia Ehlert. The network helps show where Claudia Ehlert may publish in the future.

Co-authorship network of co-authors of Claudia Ehlert

This figure shows the co-authorship network connecting the top 25 collaborators of Claudia Ehlert. A scholar is included among the top collaborators of Claudia Ehlert 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 Claudia Ehlert. Claudia Ehlert 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

Frings, Patrick, Virginia N. Panizzo, Jill Sutton, & Claudia Ehlert. (2024). Diatom silicon isotope ratios in Quaternary research: Where do we stand?. Quaternary Science Reviews. 344. 108966–108966. 5 indexed citations

Cao, Zhimian, Yating Li, Qingquan Hong, et al.. (2023). Stable Barium Isotope Fractionation in Pore Waters of Estuarine Sediments. Geochemistry Geophysics Geosystems. 24(6). 5 indexed citations

Tréguer, Paul, Jill Sutton, Mark A. Brzezinski, et al.. (2021). Reviews and syntheses: The biogeochemical cycle of silicon in the modern ocean. Biogeosciences. 18(4). 1269–1289. 173 indexed citations breakdown →

Ehlert, Claudia, et al.. (2021). The Transpolar Drift Influence on the Arctic Ocean Silicon Cycle. Journal of Geophysical Research Oceans. 126(11). 6 indexed citations

Doering, Kristin, Claudia Ehlert, Katharina Pahnke, et al.. (2021). Silicon Isotope Signatures of Radiolaria Reveal Taxon-Specific Differences in Isotope Fractionation. Frontiers in Marine Science. 8. 7 indexed citations

Geilert, Sonja, Patricia Grasse, Kristin Doering, et al.. (2020). Impact of ambient conditions on the Si isotope fractionation in marine pore fluids during early diagenesis. Biogeosciences. 17(7). 1745–1763. 35 indexed citations

Paffrath, Ronja, Katharina Pahnke, Melanie Behrens, et al.. (2020). Rare Earth Element Behavior in a Sandy Subterranean Estuary of the Southern North Sea. Frontiers in Marine Science. 7. 26 indexed citations

Ehlert, Claudia, et al.. (2020). The Influence of Water Mass Mixing and Particle Dissolution on the Silicon Cycle in the Central Arctic Ocean. Frontiers in Marine Science. 7. 14 indexed citations

Doering, Kristin, Claudia Ehlert, Philippe Martinez, Martin Frank, & Ralph R Schneider. (2019). Latitudinal variations in δ ³⁰ Si and δ ¹⁵ N signatures along the Peruvian shelf: quantifying the effects of nutrient utilization versus denitrification over the past 600 years. Biogeosciences. 16(10). 2163–2180. 3 indexed citations

10.

Sutton, Jill, Luc André, D. Cardinal, et al.. (2018). A Review of the Stable Isotope Bio-geochemistry of the Global Silicon Cycle and Its Associated Trace Elements. Frontiers in Earth Science. 5. 82 indexed citations

11.

Doering, Kristin, et al.. (2016). Changes in diatom productivity and upwelling intensity off Peru since the Last Glacial Maximum: Response to basin-scale atmospheric and oceanic forcing. Paleoceanography. 31(10). 1453–1473. 16 indexed citations

12.

Grasse, Patricia, Evgenia Ryabenko, Claudia Ehlert, Mark A. Altabet, & Martin Frank. (2016). Silicon and nitrogen cycling in the upwelling area off Peru: A dual isotope approach. Limnology and Oceanography. 61(5). 1661–1676. 18 indexed citations

13.

Doering, Kristin, Claudia Ehlert, Patricia Grasse, et al.. (2016). Differences between mono-generic and mixed diatom silicon isotope compositions trace present and past nutrient utilisation off Peru. Geochimica et Cosmochimica Acta. 177. 30–47. 12 indexed citations

14.

Ehlert, Claudia, Kristin Doering, Klaus Wallmann, et al.. (2016). Stable silicon isotope signatures of marine pore waters – Biogenic opal dissolution versus authigenic clay mineral formation. Geochimica et Cosmochimica Acta. 191. 102–117. 89 indexed citations

15.

Ehlert, Claudia, et al.. (2015). Nutrient utilisation and weathering inputs in the Peruvian upwelling region since the Little Ice Age. Climate of the past. 11(2). 187–202. 9 indexed citations

16.

Grasse, Patricia, Claudia Ehlert, & Martin Frank. (2013). The influence of water mass mixing on the dissolved Si isotope composition in the Eastern Equatorial Pacific. Earth and Planetary Science Letters. 380. 60–71. 39 indexed citations

17.

Ehlert, Claudia, Patricia Grasse, & Martin Frank. (2013). Changes in silicate utilisation and upwelling intensity off Peru since the Last Glacial Maximum – insights from silicon and neodymium isotopes. Quaternary Science Reviews. 72. 18–35. 29 indexed citations

18.

Étourneau, Johan, Claudia Ehlert, Martin Frank, Philippe Martinez, & Ralph R Schneider. (2012). Contribution of changes in opal productivity and nutrient distribution in the coastal upwelling systems to late Pliocene/early Pleistocene climate cooling. SPIRE - Sciences Po Institutional REpository. 1 indexed citations

19.

Étourneau, Johan, Claudia Ehlert, Martin Frank, Philippe Martinez, & Ralph R Schneider. (2012). Contribution of changes in opal productivity and nutrient distribution in the coastal upwelling systems to Late Pliocene/Early Pleistocene climate cooling. Climate of the past. 8(5). 1435–1445. 23 indexed citations

20.

Ehlert, Claudia, Patricia Grasse, Gregory F. de Souza, et al.. (2012). Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling. Geochimica et Cosmochimica Acta. 99. 128–145. 43 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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