Akimasa Sumi

3.4k total citations · 1 hit paper
60 papers, 2.8k citations indexed

About

Akimasa Sumi is a scholar working on Global and Planetary Change, Atmospheric Science and Oceanography. According to data from OpenAlex, Akimasa Sumi has authored 60 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Global and Planetary Change, 45 papers in Atmospheric Science and 22 papers in Oceanography. Recurrent topics in Akimasa Sumi's work include Climate variability and models (40 papers), Meteorological Phenomena and Simulations (31 papers) and Oceanographic and Atmospheric Processes (16 papers). Akimasa Sumi is often cited by papers focused on Climate variability and models (40 papers), Meteorological Phenomena and Simulations (31 papers) and Oceanographic and Atmospheric Processes (16 papers). Akimasa Sumi collaborates with scholars based in Japan, United States and China. Akimasa Sumi's co-authors include Renhe Zhang, Masahide Kimoto, Y. Hayashi, L. J. Mangum, K. Takeuchi, Judicaël Picaut, S. P. Hayes, Takio Murakami, Hiroyasu Hasumi and Riko Oki and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Journal of Climate and Geophysical Research Letters.

In The Last Decade

Akimasa Sumi

58 papers receiving 2.6k 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.

Impact of El Niño on the East Asian Monsoon

1996 722 citations Renhe Zhang, Akimasa Sumi et al. Journal of the Meteorological Society of Japan Ser II profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Akimasa Sumi Japan	22	2.4k	2.2k	1.3k	89	82	60	2.8k
Chung‐Hsiung Sui Taiwan	28	2.9k 1.2×	2.9k 1.3×	1.3k 0.9×	76 0.9×	68 0.8×	89	3.2k
Bryan C. Weare United States	27	2.3k 1.0×	1.9k 0.9×	1.1k 0.8×	100 1.1×	107 1.3×	87	2.7k
David P. Stepaniak United States	12	2.4k 1.0×	2.1k 0.9×	965 0.7×	76 0.9×	64 0.8×	12	2.6k
John W. Kidson New Zealand	28	2.1k 0.8×	1.9k 0.9×	705 0.5×	128 1.4×	67 0.8×	43	2.4k
Ming Ji United States	22	2.7k 1.1×	2.1k 0.9×	2.1k 1.5×	105 1.2×	84 1.0×	33	3.1k
Robert Colman Australia	28	3.1k 1.3×	2.9k 1.3×	461 0.3×	64 0.7×	75 0.9×	60	3.4k
Holger Pohlmann Germany	26	2.5k 1.0×	2.2k 1.0×	1.2k 0.9×	41 0.5×	73 0.9×	60	2.7k
Michelle L’Heureux United States	30	3.5k 1.4×	3.3k 1.5×	1.6k 1.2×	127 1.4×	93 1.1×	52	4.0k
Kristian Mogensen United Kingdom	20	2.5k 1.0×	2.2k 1.0×	1.8k 1.4×	68 0.8×	121 1.5×	32	3.2k
Gregory R. Foltz United States	33	2.4k 1.0×	2.1k 0.9×	2.3k 1.7×	201 2.3×	57 0.7×	100	3.3k

Countries citing papers authored by Akimasa Sumi

Since Specialization

Citations

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

Fields of papers citing papers by Akimasa Sumi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Akimasa Sumi

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

Arakawa, Takashi, et al.. (2012). Tropospheric Mid-Level Detrainment Flow Obtained from High-Resolution Non-Hydrostatic Atmospheric Model Experiments. Journal of the Meteorological Society of Japan Ser II. 90(1). 11–33. 1 indexed citations

Inatsu, Masaru, Masahide Kimoto, & Akimasa Sumi. (2007). Stratospheric Sudden Warming with Projected Global Warming and Related Tropospheric Wave Activity. SOLA. 3. 105–108. 1 indexed citations

Weng, Hengyi, Akimasa Sumi, Yukari N. Takayabu, Masahide Kimoto, & Chongyin Li. (2004). Interannual-Interdecadal Variation in Large-Scale Atmospheric Circulation and Extremely Wet and Dry Summers in China/Japan during 1951-2000 Part I: Spatial Patterns. Journal of the Meteorological Society of Japan Ser II. 82(2). 775–788. 15 indexed citations

Kimoto, Masahide, et al.. (1998). Role of Land Surface Processes Associated with Interannual Variability of Broad-scale Asian Summer Monsoon as Simulated by the CCSR/NIES AGCM. Journal of the Meteorological Society of Japan Ser II. 76(2). 217–236. 46 indexed citations

Zhang, Renhe, Akimasa Sumi, & Masahide Kimoto. (1996). Impact of El Niño on the East Asian Monsoon. Journal of the Meteorological Society of Japan Ser II. 74(1). 49–62. 722 indexed citations breakdown →

Nishi, Noriyuki & Akimasa Sumi. (1995). Eastward-Moving Disturbance near the Tropopause along the Equator during the TOGA COARE IOP. Journal of the Meteorological Society of Japan Ser II. 73(2B). 321–337. 11 indexed citations

Ding, Yihui, et al.. (1995). Structures of the Mixed Layer and Estimates of Sea Surface Fluxes during TOGA-COARE IOP. Journal of the Meteorological Society of Japan Ser II. 73(2B). 569–583. 6 indexed citations

Sumi, Akimasa, et al.. (1995). Comparison of Various Levels of Closure Model on Evolution and Maintenance of the Upper Ocean Mixed Layer during TOGA-COARE IOP. Journal of the Meteorological Society of Japan Ser II. 73(2B). 611–629. 2 indexed citations

Ding, Yihui, et al.. (1995). Structure of the Mixed Layer and Estimates of Sea Surface Fluxes during TOGA-COARE IOP. Journal of the Meteorological Society of Japan Ser II. 73(2B). 585–596. 2 indexed citations

10.

Ding, Yihui & Akimasa Sumi. (1995). Large-Scale Atmospheric Circulation Features during TOGA-COARE IOP. Journal of the Meteorological Society of Japan Ser II. 73(2B). 339–351. 6 indexed citations

11.

Watanabe, Akira, Shoichiro Fukao, Manabu D. Yamanaka, Akimasa Sumi, & Hiroshi Uyeda. (1994). A Rotor Circulation near the Baiu Front Observed by the MU Radar. Journal of the Meteorological Society of Japan Ser II. 72(1). 91–105. 6 indexed citations

12.

Sumi, Akimasa. (1992). Pattern Formation of Convective Activity over the Aqua-Planet with Globally Uniform Sea Surface Temperature (SST). Journal of the Meteorological Society of Japan Ser II. 70(5). 855–876. 32 indexed citations

13.

Sumi, Akimasa & Takenobu Toyota. (1988). Observational Study on Air-flow around the Tibetan Plateau. Journal of the Meteorological Society of Japan Ser II. 66(1). 113–124. 4 indexed citations

14.

Sumi, Akimasa. (1987). Characteristics of Simulated Convective Activity over a Tropical Ocean with Zonally Uniform SST Surrounded by the Dry Continents. Journal of the Meteorological Society of Japan Ser II. 65(6). 853–870. 1 indexed citations

15.

Hayashi, Y. & Akimasa Sumi. (1986). The 30-40 Day Oscillations Simulated in an "Aqua Planet" Model. Journal of the Meteorological Society of Japan Ser II. 64(4). 451–467. 181 indexed citations

16.

Sumi, Akimasa. (1986). On the Movement of the "Convection Center" from Summer to Winter Season in the Northern Hemisphere. Journal of the Meteorological Society of Japan Ser II. 64(4). 605–611. 5 indexed citations

17.

Sumi, Akimasa. (1985). A Study on Cold Surges Around the Tibetan Plateau by Using Numerical Models. Journal of the Meteorological Society of Japan Ser II. 63(3). 377–396. 17 indexed citations

18.

Sumi, Akimasa & Masao Kanamitsu. (1984). A Study of Systematic Errors in A Numerical Weather Prediction Model. Journal of the Meteorological Society of Japan Ser II. 62(2). 234–251. 15 indexed citations

19.

Sumi, Akimasa & Takio Murakami. (1981). Large-scale Aspects of the 1978-79 Winter Circulation over the Greater WMONEX Region. Journal of the Meteorological Society of Japan Ser II. 59(5). 625–645. 29 indexed citations

20.

Sumi, Akimasa. (1981). Sensitivity of Wind Analyses to Barotropic Energetics during Summer<sup>1</sup>. Journal of the Meteorological Society of Japan Ser II. 59(1). 85–97. 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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