Akio Omura

2.0k total citations · 1 hit paper
55 papers, 1.5k citations indexed

About

Akio Omura is a scholar working on Atmospheric Science, Ecology and Earth-Surface Processes. According to data from OpenAlex, Akio Omura has authored 55 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Atmospheric Science, 23 papers in Ecology and 10 papers in Earth-Surface Processes. Recurrent topics in Akio Omura's work include Geology and Paleoclimatology Research (39 papers), Isotope Analysis in Ecology (14 papers) and Pacific and Southeast Asian Studies (10 papers). Akio Omura is often cited by papers focused on Geology and Paleoclimatology Research (39 papers), Isotope Analysis in Ecology (14 papers) and Pacific and Southeast Asian Studies (10 papers). Akio Omura collaborates with scholars based in Japan, Australia and Fiji. Akio Omura's co-authors include Yôko Ôta, Brad Pillans, Malcolm T. McCulloch, T. M. Esat, John Chappell, John M. Pandolfi, John Chappell, Kenji Konishi, E W Mountjoy and Noël P. James and has published in prestigious journals such as Science, Earth and Planetary Science Letters and Geophysical Research Letters.

In The Last Decade

Akio Omura

55 papers receiving 1.4k 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.

Reconciliaion of late Quaternary sea levels derived from coral terraces at Huon Peninsula with deep sea oxygen isotope records

1996 564 citations Akio Omura, Yôko Ôta et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Akio Omura Japan	16	1.2k	514	483	317	301	55	1.5k
Christina Gallup United States	14	1.5k 1.3×	620 1.2×	549 1.1×	231 0.7×	244 0.8×	23	1.8k
Kenneth J. Mesolella United States	5	1.0k 0.8×	504 1.0×	386 0.8×	171 0.5×	235 0.8×	6	1.3k
Francis Rougerie French Polynesia	12	1.1k 1.0×	887 1.7×	401 0.8×	238 0.8×	118 0.4×	33	1.9k
J Warren Beck United States	10	951 0.8×	710 1.4×	193 0.4×	156 0.5×	182 0.6×	12	1.6k
L. Labeyrie France	3	1.7k 1.4×	525 1.0×	712 1.5×	493 1.6×	211 0.7×	5	1.9k
Tzu‐Chien Chiu United States	9	1.1k 0.9×	382 0.7×	322 0.7×	263 0.8×	103 0.3×	11	1.3k
V. A. Gostin Australia	28	1.3k 1.1×	282 0.5×	541 1.1×	194 0.6×	562 1.9×	67	1.9k
Abdulkarim Al-Subbary Yemen	10	1.3k 1.1×	334 0.6×	484 1.0×	106 0.3×	304 1.0×	14	1.7k
Masao Nakada Japan	21	1.3k 1.1×	236 0.5×	517 1.1×	264 0.8×	1.1k 3.6×	58	2.1k
R. M. Carter Australia	21	743 0.6×	222 0.4×	549 1.1×	107 0.3×	400 1.3×	28	1.1k

Countries citing papers authored by Akio Omura

Since Specialization

Citations

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

Fields of papers citing papers by Akio Omura

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Akio Omura

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

Omura, Akio, et al.. (2006). Uranium-series Age of the Highest Marine Terrace of the Upper Pleistocene on Kikai Island, Central Ryukyus, Japan. The Quaternary Research (Daiyonki-Kenkyu). 45(1). 41–48. 13 indexed citations

Sasaki, Keiichi, Akio Omura, T Miwa, et al.. (2006). ²³⁰Th/²³⁴U and¹⁴C dating of a lowstand coral reef beneath the insular shelf off Irabu Island, Ryukyus, southwestern Japan. Island Arc. 15(4). 455–467. 18 indexed citations

Kitamura, Akihisa, et al.. (2005). U-Series Ages for Solitary Coral Species from the Middle Pleistocene Kunosan Formation in the Udo Hills, Shizuoka, Central Japan. The Quaternary Research (Daiyonki-Kenkyu). 44(3). 177–182. 2 indexed citations

Omura, Akio, et al.. (2004). Last Interglacial Sea Level Changes Deduced from Coral Reef Terraces in Southwest Bohol, Central Philippines. The Quaternary Research (Daiyonki-Kenkyu). 43(6). 401–416. 7 indexed citations

Yamaguchi, Masaru, Yôko Ôta, Akio Omura, & Toshio Nakamura. (2004). Local Marine Reservoir Effects and Climate Changes Deduced from .ALPHA.-spectrometric 230Th/234U and AMS14C Dates of Holocene Fossil Corals Collected from Taiwan. The Quaternary Research (Daiyonki-Kenkyu). 43(3). 181–188. 10 indexed citations

Ôta, Yôko & Akio Omura. (2000). Recent Progress on Coral Reef Terrace Researches at Kikai Island, Southwestern Japan. Review of Coral Reef Terrace Studies at Kikai Island, Ryukyu Islands, Southwestern Japan.. The Quaternary Research (Daiyonki-Kenkyu). 39(1). 45–53. 7 indexed citations

Ôta, Yôko, et al.. (2000). Recent Progress on Coral Reef Terrace Researches at Kikai Island, Southwestern Japan. Holocene Sea Level and Tectonic History Related to the Formation of Coral Terraces at Kikai Island, Northern Ryukyu Islands.. The Quaternary Research (Daiyonki-Kenkyu). 39(1). 81–95. 14 indexed citations

Nunn, Patrick D. & Akio Omura. (1999). Penultimate Interglacial emerged reef around Kadavu Island, Southwest Pacific: Implications for late Quaternary island‐arc tectonics and sea‐level history. New Zealand Journal of Geology and Geophysics. 42(2). 219–227. 13 indexed citations

Sasaki, Keiichi, et al.. (1998). Holocene Regressive Coral Reef Terraces at the Northern Shidooke Coast of Kikai Island, Central Ryukyus.. The Quaternary Research (Daiyonki-Kenkyu). 37(5). 349–360. 6 indexed citations

10.

Omura, Akio, et al.. (1995). Resolution and Reliability of the .ALPHA.-spectrometric 230Th/234U Method for Age Determination.. The Quaternary Research (Daiyonki-Kenkyu). 34(3). 195–207. 8 indexed citations

11.

Omura, Akio, et al.. (1994). Tectonic History of Yonaguni Island, Southwestern Ryukyus, Japan, Deduced from Coral Reef Terraces and Uranium-series Dates of Pleistocene Corals.. The Quaternary Research (Daiyonki-Kenkyu). 33(4). 213–231. 8 indexed citations

12.

Omura, Akio & Yôko Ôta. (1992). Paleo Sea-Level Change during the Last 300,000 Years Deduced from the Morpho-Stratigraphy of Coral Reef Terraces and 230Th/234U Ages of Terrace Deposits.. The Quaternary Research (Daiyonki-Kenkyu). 31(5). 313–327. 7 indexed citations

13.

Ôta, Yôko & Akio Omura. (1991). Late Quaternary Shorelines in the Japanese Islands.. The Quaternary Research (Daiyonki-Kenkyu). 30(3). 175–186. 49 indexed citations

14.

KAWANA, Toshio, et al.. (1991). 226Ra/238U Dates by Non-Destructive .GAMMA.-ray Spectrometry of Late Pleistocene Corals in Minami-and Kita-Daito Islands,Okinawa, Japan.. Journal of Geography (Chigaku Zasshi). 100(3). 367–377. 2 indexed citations

15.

Ôta, Yôko, et al.. (1989). ²³⁰ Th‐ ²³⁸ U age of Rotoehu Ash and its implications for marine terrace chronology of eastern Bay of Plenty, New Zealand. New Zealand Journal of Geology and Geophysics. 32(3). 327–331. 22 indexed citations

16.

Omura, Akio. (1986). Age estimation of the Daisen Kurayoshi Pumice using the 230Th-238U radioactive disequilibrium system.. The Quaternary Research (Daiyonki-Kenkyu). 25(2). 129–132. 4 indexed citations

17.

Omura, Akio, et al.. (1984). . The Quaternary Research (Daiyonki-Kenkyu). 23(1). 31–35. 2 indexed citations

18.

Omura, Akio. (1983). . The Quaternary Research (Daiyonki-Kenkyu). 22(1). 19–22. 4 indexed citations

19.

Omura, Akio. (1977). On the Apparent Distribution Coefficient of Uranyl between Sea Water and Skeletal Calcium Carbonates. 22(1). 103–116. 2 indexed citations

20.

Omura, Akio. (1972). Stratigraphic Notes on Yoron-jima : With special Reference to the Quaternary Deposits. 17(2). 33–42. 2 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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