Hiroshi Sumata

1.0k total citations · 1 hit paper
29 papers, 683 citations indexed

About

Hiroshi Sumata is a scholar working on Atmospheric Science, Global and Planetary Change and Oceanography. According to data from OpenAlex, Hiroshi Sumata has authored 29 papers receiving a total of 683 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Atmospheric Science, 13 papers in Global and Planetary Change and 10 papers in Oceanography. Recurrent topics in Hiroshi Sumata's work include Arctic and Antarctic ice dynamics (19 papers), Climate change and permafrost (12 papers) and Climate variability and models (12 papers). Hiroshi Sumata is often cited by papers focused on Arctic and Antarctic ice dynamics (19 papers), Climate change and permafrost (12 papers) and Climate variability and models (12 papers). Hiroshi Sumata collaborates with scholars based in Germany, Japan and Norway. Hiroshi Sumata's co-authors include Frank Kauker, Michael Kärcher, Laura de Steur, Dmitry Divine, Rüdiger Gerdes, Sebastian Gerland, Mats A. Granskog, Yasuhiro Yamanaka, R. Gerdes and Thomas Lavergne and has published in prestigious journals such as Nature, Nature Communications and Journal of Geophysical Research Atmospheres.

In The Last Decade

Hiroshi Sumata

29 papers receiving 673 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.

Regime shift in Arctic Ocean sea ice thickness

2023 112 citations Hiroshi Sumata, Laura de Steur et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hiroshi Sumata Germany	16	526	231	220	96	67	29	683
Kohei Mizobata Japan	13	604 1.1×	346 1.5×	391 1.8×	126 1.3×	98 1.5×	30	805
Xianmin Hu Canada	20	715 1.4×	265 1.1×	430 2.0×	220 2.3×	45 0.7×	43	834
Anna Nikolopoulos Norway	12	298 0.6×	98 0.4×	230 1.0×	156 1.6×	103 1.5×	24	443
Tessa Sou Canada	11	297 0.6×	165 0.7×	174 0.8×	68 0.7×	58 0.9×	18	429
Natalia Tilinina Russia	13	447 0.8×	404 1.7×	187 0.8×	51 0.5×	32 0.5×	30	568
Noriaki Kimura Japan	19	1.1k 2.0×	313 1.4×	349 1.6×	225 2.3×	110 1.6×	38	1.1k
Keishi Shimada Japan	13	426 0.8×	134 0.6×	276 1.3×	143 1.5×	68 1.0×	22	539
Erik Buch Denmark	12	256 0.5×	142 0.6×	234 1.1×	97 1.0×	78 1.2×	22	411
M. Kulakov Russia	9	585 1.1×	199 0.9×	374 1.7×	270 2.8×	59 0.9×	13	687
Brendan DeTracey Canada	9	320 0.6×	96 0.4×	235 1.1×	134 1.4×	87 1.3×	13	451

Countries citing papers authored by Hiroshi Sumata

Since Specialization

Citations

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

Fields of papers citing papers by Hiroshi Sumata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroshi Sumata

This figure shows the co-authorship network connecting the top 25 collaborators of Hiroshi Sumata. A scholar is included among the top collaborators of Hiroshi Sumata 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 Hiroshi Sumata. Hiroshi Sumata is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Steur, Laura de, et al.. (2024). Three Forcing Mechanisms of Freshwater Transport in Fram Strait. Journal of Geophysical Research Oceans. 129(8). 1 indexed citations

Steur, Laura de, et al.. (2023). Upper ocean warming and sea ice reduction in the East Greenland Current from 2003 to 2019. Communications Earth & Environment. 4(1). 12 indexed citations

Masuda, Yoshio, Yasuhiro Yamanaka, S. Lan Smith, et al.. (2023). Acclimation by diverse phytoplankton species determines oceanic carbon to nitrogen ratios. Limnology and Oceanography Letters. 8(3). 519–528. 2 indexed citations

Sumata, Hiroshi, Laura de Steur, Dmitry Divine, Mats A. Granskog, & Sebastian Gerland. (2023). Regime shift in Arctic Ocean sea ice thickness. Nature. 615(7952). 443–449. 112 indexed citations breakdown →

Sumata, Hiroshi, Laura de Steur, Sebastian Gerland, Dmitry Divine, & Olga Pavlova. (2022). Unprecedented decline of Arctic sea ice outflow in 2018. Nature Communications. 13(1). 1747–1747. 30 indexed citations

Steur, Laura de, et al.. (2022). Observed Changes in the Arctic Freshwater Outflow in Fram Strait. Journal of Geophysical Research Oceans. 127(3). 25 indexed citations

Zampieri, Lorenzo, et al.. (2021). Impact of Sea‐Ice Model Complexity on the Performance of an Unstructured‐Mesh Sea‐Ice/Ocean Model under Different Atmospheric Forcings. Journal of Advances in Modeling Earth Systems. 13(5). 11 indexed citations

Rinke, Annette, Wolfgang Dorn, Gunnar Spreen, et al.. (2020). Evaluation of Arctic sea ice drift and its dependency on near-surface wind and sea ice conditions in the coupled regional climate model HIRHAM–NAOSIM. The cryosphere. 14(5). 1727–1746. 25 indexed citations

Rinke, Annette, Wolfgang Dorn, Gunnar Spreen, et al.. (2019). Evaluation of Arctic sea-ice drift and its dependency on near-surface wind and sea-ice concentration and thickness in the coupled regional climate model HIRHAM-NAOSIM. 1 indexed citations

10.

Riemann‐Campe, Kathrin, et al.. (2019). Simulated ballast water accumulation along Arctic shipping routes. Marine Policy. 103. 9–18. 7 indexed citations

11.

Behrendt, Axel, Hiroshi Sumata, Benjamin Rabe, & Ursula Schauer. (2018). UDASH – Unified Database for Arctic and Subarctic Hydrography. Earth system science data. 10(2). 1119–1138. 40 indexed citations

12.

Sumata, Hiroshi, Frank Kauker, Michael Kärcher, et al.. (2018). Decorrelation scales for Arctic Ocean hydrography – Part I: Amerasian Basin. Ocean science. 14(1). 161–185. 8 indexed citations

13.

Sumata, Hiroshi, Thomas Lavergne, Fanny Girard‐Ardhuin, et al.. (2014). An intercomparison of Arctic ice drift products to deduce uncertainty estimates. Journal of Geophysical Research Oceans. 119(8). 4887–4921. 105 indexed citations

14.

Sumata, Hiroshi, Frank Kauker, Rüdiger Gerdes, Cornelia Köberle, & Michael Kärcher. (2013). A comparison between gradient descent and stochastic approaches for parameter optimization of a sea ice model. Ocean science. 9(4). 609–630. 16 indexed citations

15.

Okunishi, Takeshi, Shin‐ichi Ito, Taketo Hashioka, et al.. (2012). Impacts of climate change on growth, migration and recruitment success of Japanese sardine (Sardinops melanostictus) in the western North Pacific. Climatic Change. 115(3-4). 485–503. 32 indexed citations

16.

Shigemitsu, Masahito, Takeshi Okunishi, Jun Nishioka, et al.. (2012). Development of a one‐dimensional ecosystem model including the iron cycle applied to the Oyashio region, western subarctic Pacific. Journal of Geophysical Research Atmospheres. 117(C6). 31 indexed citations

17.

Sumata, Hiroshi, Taketo Hashioka, Tatsuo Suzuki, et al.. (2010). Effect of eddy transport on the nutrient supply into the euphotic zone simulated in an eddy-permitting ocean ecosystem model. Journal of Marine Systems. 83(1-2). 67–87. 17 indexed citations

18.

Sumata, Hiroshi & Koji Shimada. (2007). Northward transport of pacific summer water along the Northwind Ridge in the Western Arctic Ocean. Journal of Oceanography. 63(3). 363–378. 13 indexed citations

19.

Chan, Wing‐Le, et al.. (2005). North Pacific halocline and cold climate induced by Panamanian Gateway closure in a coupled ocean‐atmosphere GCM. Geophysical Research Letters. 32(10). 21 indexed citations

20.

Sumata, Hiroshi & Atsushi Kubokawa. (2001). Numerical Study of Eastern Boundary Ventilation and Its Effects on the Thermocline Structure. Journal of Physical Oceanography. 31(10). 3002–3019. 14 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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