Junichiro Ohta

1.9k total citations · 1 hit paper
38 papers, 1.3k citations indexed

About

Junichiro Ohta is a scholar working on Geochemistry and Petrology, Atmospheric Science and Geophysics. According to data from OpenAlex, Junichiro Ohta has authored 38 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Geochemistry and Petrology, 14 papers in Atmospheric Science and 10 papers in Geophysics. Recurrent topics in Junichiro Ohta's work include Geochemistry and Elemental Analysis (24 papers), Geology and Paleoclimatology Research (14 papers) and Geological and Geochemical Analysis (10 papers). Junichiro Ohta is often cited by papers focused on Geochemistry and Elemental Analysis (24 papers), Geology and Paleoclimatology Research (14 papers) and Geological and Geochemical Analysis (10 papers). Junichiro Ohta collaborates with scholars based in Japan, United States and Australia. Junichiro Ohta's co-authors include Yasuhiro Kato, Kentaro Nakamura, Koichiro Fujinaga, Yutaro Takaya, Kazutaka Yasukawa, Hikaru Iwamori, Takuya Nakashima, Koichi Iijima, Shiki Machida and Tatsuo Nozaki and has published in prestigious journals such as SHILAP Revista de lepidopterología, Geochimica et Cosmochimica Acta and Scientific Reports.

In The Last Decade

Junichiro Ohta

37 papers receiving 1.3k 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.

Deep-sea mud in the Pacific Ocean as a potential resource for rare-earth elements

2011 454 citations Yasuhiro Kato, Koichiro Fujinaga et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Junichiro Ohta Japan	16	893	497	353	294	236	38	1.3k
Yutaro Takaya Japan	20	911 1.0×	570 1.1×	409 1.2×	307 1.0×	309 1.3×	77	1.7k
Koichiro Fujinaga Japan	23	1.4k 1.6×	953 1.9×	600 1.7×	496 1.7×	275 1.2×	53	2.0k
Yoshiaki Kon Japan	26	652 0.7×	1.6k 3.2×	300 0.8×	197 0.7×	143 0.6×	63	2.1k
Hidekazu Yoshida Japan	22	338 0.4×	551 1.1×	218 0.6×	184 0.6×	79 0.3×	107	1.5k
Giuseppina Balassone Italy	22	538 0.6×	862 1.7×	107 0.3×	123 0.4×	176 0.7×	102	1.6k
Rosario Lunar Hernández Spain	26	539 0.6×	1.1k 2.2×	227 0.6×	247 0.8×	80 0.3×	128	1.9k
Carlos Alberto Rosière Brazil	25	921 1.0×	1.3k 2.7×	405 1.1×	96 0.3×	120 0.5×	93	2.0k
Blanca Bauluz Spain	23	629 0.7×	743 1.5×	411 1.2×	287 1.0×	27 0.1×	81	1.5k
Benjamin P. Wade Australia	29	666 0.7×	2.3k 4.6×	442 1.3×	288 1.0×	125 0.5×	78	2.7k
Sarah A. Gleeson Canada	30	734 0.8×	1.8k 3.5×	534 1.5×	339 1.2×	147 0.6×	98	2.4k

Countries citing papers authored by Junichiro Ohta

Since Specialization

Citations

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

Fields of papers citing papers by Junichiro Ohta

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Junichiro Ohta

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

Mimura, Kazuhide, Taro Kitazawa, Kentaro Nakamura, et al.. (2025). Deep‐Sea Rare‐Earth Mineral Resources Formed in the Early Eocene Hothouse Ocean: Insights From Deep Learning‐Based Microfossil Observations. Paleoceanography and Paleoclimatology. 40(4).

Mimura, Kazuhide, Kentaro Nakamura, Kazutaka Yasukawa, et al.. (2024). Applicability of Object Detection to Microfossil Research: Implications From Deep Learning Models to Detect Microfossil Fish Teeth and Denticles Using YOLO‐v7. Earth and Space Science. 11(1). 7 indexed citations

Tanaka, Erika, Kazuhide Mimura, Kentaro Nakamura, et al.. (2023). Rare‐Earth Elements in Deep‐Sea Sediments in the South Pacific Gyre: Source Materials and Resource Potentials. Geochemistry Geophysics Geosystems. 24(3). 15 indexed citations

Yasukawa, Kazutaka, Erika Tanaka, Takashi Miyazaki, et al.. (2023). High‐Dimensional Chemostratigraphy of Pelagic Clay in the Western North Pacific Ocean Revealed via an Unsupervised Clustering Approach. Paleoceanography and Paleoclimatology. 38(7). 4 indexed citations

Agangi, Andrea, Arifudin Idrus, Cyril Chelle-Michou, et al.. (2023). The Age and Origin of the Ruwai Polymetallic Skarn Deposit, Indonesia: Evidence of Cretaceous Mineralization in the Central Borneo Metallogenic Belt. Economic Geology. 118(6). 1341–1370. 7 indexed citations

Tanaka, Erika, Kazutaka Yasukawa, Kentaro Nakamura, et al.. (2022). Secular Variations in Provenance of Sedimentary Components in the Western North Pacific Ocean Constrained by Sr Isotopic Features of Deep‐Sea Sediments. Geochemistry Geophysics Geosystems. 23(1). 11 indexed citations

Yasukawa, Kazutaka, Junichiro Ohta, Morihisa Hamada, et al.. (2022). Essential processes involving REE-enrichment in biogenic apatite in deep-sea sediment decoded via multivariate statistical analyses. Chemical Geology. 614. 121184–121184. 21 indexed citations

Yasukawa, Kazutaka, Tatsuo Nozaki, Koichiro Fujinaga, et al.. (2022). Marine osmium isotopic composition reconstructed from the early Permian umber deposit in the Japanese accretionary complex. Journal of Asian Earth Sciences. 241. 105480–105480. 3 indexed citations

Tanaka, Erika, Kazutaka Yasukawa, Junichiro Ohta, & Yasuhiro Kato. (2022). Enhanced continental chemical weathering during the multiple early Eocene hyperthermals: New constraints from the southern Indian Ocean. Geochimica et Cosmochimica Acta. 331. 192–211. 13 indexed citations

10.

Yasukawa, Kazutaka, Koichiro Fujinaga, Tatsuo Nozaki, et al.. (2021). Rapid coupling between solid earth and ice volume during the Quaternary. Scientific Reports. 11(1). 5695–5695. 11 indexed citations

11.

Tanaka, Erika, Kentaro Nakamura, Kazutaka Yasukawa, et al.. (2020). Chemostratigraphic Correlations of Deep-Sea Sediments in the Western North Pacific Ocean: A New Constraint on the Distribution of Mud Highly Enriched in Rare-Earth Elements. Minerals. 10(6). 575–575. 28 indexed citations

12.

Ohta, Junichiro, Kazutaka Yasukawa, Tatsuo Nozaki, et al.. (2020). Fish proliferation and rare-earth deposition by topographically induced upwelling at the late Eocene cooling event. Scientific Reports. 10(1). 9896–9896. 38 indexed citations

13.

Yasukawa, Kazutaka, Erika Tanaka, Kazuhide Mimura, et al.. (2020). Geochemical features of Fe-Mn micronodules in deep-sea sediments of the western North Pacific Ocean: Potential for co-product metal extraction from REY-rich mud. Ore Geology Reviews. 127. 103805–103805. 43 indexed citations

14.

Yasukawa, Kazutaka, Junichiro Ohta, Takashi Miyazaki, et al.. (2019). Statistic and Isotopic Characterization of Deep‐Sea Sediments in the Western North Pacific Ocean: Implications for Genesis of the Sediment Extremely Enriched in Rare Earth Elements. Geochemistry Geophysics Geosystems. 20(7). 3402–3430. 62 indexed citations

15.

Nozaki, Tatsuo, Junichiro Ohta, T. Noguchi, et al.. (2019). A Miocene impact ejecta layer in the pelagic Pacific Ocean. Scientific Reports. 9(1). 16111–16111. 14 indexed citations

16.

Takaya, Yutaro, Kazutaka Yasukawa, Koichiro Fujinaga, et al.. (2018). The tremendous potential of deep-sea mud as a source of rare-earth elements. Scientific Reports. 8(1). 5763–5763. 172 indexed citations

17.

Ijiri, Akira, Kei Okamura, Junichiro Ohta, et al.. (2018). Uptake of porewater phosphate by REY-rich mud in the western North Pacific Ocean. GEOCHEMICAL JOURNAL. 52(4). 373–378. 5 indexed citations

18.

Iijima, Koichi, Kazutaka Yasukawa, Koichiro Fujinaga, et al.. (2016). Discovery of extremely REY-rich mud in the western North Pacific Ocean. GEOCHEMICAL JOURNAL. 50(6). 557–573. 78 indexed citations

19.

Ohta, Junichiro, Koichiro Fujinaga, Yutaro Takaya, & Yasuhiro Kato. (2012). Evaluation of mineral resource potential of rare-earth elements and yttrium-rich mud off the southeastern coast of Hawaiian Islands. Kōzan chishitsu. 62(3). 197–209. 3 indexed citations

20.

Mayuzumi, Masami, et al.. (2001). Effect of Various Impurities on the Transpassive Corrosion of High-Purity Fe-18%Cr-14%Ni Alloys. CORROSION. 57(10). 889–897. 7 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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