Noboru Okami

984 total citations · 1 hit paper
16 papers, 847 citations indexed

About

Noboru Okami is a scholar working on Oceanography, Industrial and Manufacturing Engineering and Pollution. According to data from OpenAlex, Noboru Okami has authored 16 papers receiving a total of 847 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Oceanography, 8 papers in Industrial and Manufacturing Engineering and 3 papers in Pollution. Recurrent topics in Noboru Okami's work include Marine and coastal ecosystems (11 papers), Water Quality Monitoring and Analysis (8 papers) and Water Quality Monitoring Technologies (3 papers). Noboru Okami is often cited by papers focused on Marine and coastal ecosystems (11 papers), Water Quality Monitoring and Analysis (8 papers) and Water Quality Monitoring Technologies (3 papers). Noboru Okami collaborates with scholars based in Japan, United States and Russia. Noboru Okami's co-authors include Motoaki Kishino, Masayuki Takahashi, S. Ichimura, S. Sugihara, Masayuki Takahashi, Shun-ei ICHIMURA, Charles R. Booth, Seiichi Watanabe, Noburu Takematsu and Masahiro Kajihara and has published in prestigious journals such as Limnology and Oceanography, Marine Biology and Journal of Oceanography.

In The Last Decade

Noboru Okami

15 papers receiving 759 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.

Estimation of the spectral absorption coefficients of phytoplankton in the sea

1985 541 citations Motoaki Kishino, Masayuki Takahashi et al. Bulletin of Marine Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Noboru Okami Japan	10	785	249	220	142	129	16	847
Karima Allali France	5	670 0.9×	227 0.9×	185 0.8×	147 1.0×	65 0.5×	7	725
Leslie Brown Canada	13	497 0.6×	198 0.8×	196 0.9×	147 1.0×	133 1.0×	27	727
Dariusz Ficek Poland	16	640 0.8×	188 0.8×	150 0.7×	159 1.1×	122 0.9×	46	763
Kadija Oubelkheir Australia	16	1.1k 1.4×	226 0.9×	458 2.1×	290 2.0×	134 1.0×	26	1.2k
Pasi Ylöstalo Finland	17	690 0.9×	174 0.7×	269 1.2×	115 0.8×	222 1.7×	28	809
Mirosława Ostrowska Poland	17	694 0.9×	182 0.7×	144 0.7×	166 1.2×	100 0.8×	58	815
Janice Beeler SooHoo United States	14	705 0.9×	93 0.4×	309 1.4×	85 0.6×	116 0.9×	14	783
Luca Bracchini Italy	18	550 0.7×	210 0.8×	301 1.4×	94 0.7×	335 2.6×	40	895
Arduino Massimo Dattilo Italy	17	452 0.6×	192 0.8×	242 1.1×	59 0.4×	240 1.9×	34	733
Roman Majchrowski Poland	15	532 0.7×	138 0.6×	114 0.5×	133 0.9×	69 0.5×	31	602

Countries citing papers authored by Noboru Okami

Since Specialization

Citations

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

Fields of papers citing papers by Noboru Okami

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Noboru Okami

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

All Works

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16 of 16 papers shown

Takahashi, Masayuki, S. Ichimura, Motoaki Kishino, & Noboru Okami. (1989). Shade and chromatic adaptation of phytoplankton photosynthesis in a thermally stratified sea. Marine Biology. 100(3). 401–409. 20 indexed citations

Sugihara, S., Motoaki Kishino, & Noboru Okami. (1986). Estimation of chlorophyll concentration from the specific fluorescence at 685nm in the upward irradiance just below the sea surface. Journal of Oceanography. 42(2). 99–105. 2 indexed citations

Kishino, Motoaki, Noboru Okami, Masayuki Takahashi, & Shun-ei ICHIMURA. (1986). Light utilization efficiency and quantum yield of phytoplankton in a thermally stratified sea1. Limnology and Oceanography. 31(3). 557–566. 88 indexed citations

Kishino, Motoaki, Masayuki Takahashi, Noboru Okami, & S. Ichimura. (1985). Estimation of the spectral absorption coefficients of phytoplankton in the sea. Bulletin of Marine Science. 37(2). 634–642. 541 indexed citations breakdown →

Sugihara, S., Motoaki Kishino, & Noboru Okami. (1985). Estimation of water quality parameters from irradiance reflectance using optical models. Journal of Oceanography. 41(6). 399–406. 10 indexed citations

Sugihara, S., Motoaki Kishino, & Noboru Okami. (1985). Correlation of chlorophyll concentrations and suspended solids with near-surface upward irradiance within LANDSAT bands 4, 5 and 6. Journal of Oceanography. 41(2). 81–88. 6 indexed citations

Kishino, Motoaki, Charles R. Booth, & Noboru Okami. (1984). Underwater radiant energy absorbed by phytoplankton, detritus, dissolved organic matter, and pure water. Limnology and Oceanography. 29(2). 340–349. 55 indexed citations

Sugihara, S., Motoaki Kishino, & Noboru Okami. (1984). Contribution of Raman scattering to upward irradiance in the sea. Journal of Oceanography. 40(6). 397–404. 57 indexed citations

Okami, Noboru, et al.. (1983). Analysis of ocean color spectra (III). Journal of Oceanography. 38(6). 362–372. 19 indexed citations

10.

Okami, Noboru, et al.. (1982). Analysis of ocean color spectra (II). Journal of Oceanography. 38(5). 300–306. 2 indexed citations

11.

Okami, Noboru, et al.. (1982). Analysis of ocean color spectra (I). Journal of Oceanography. 38(4). 208–214. 11 indexed citations

12.

Okami, Noboru, et al.. (1978). Measurements of Spectral Irradiance in the Seas around the Japanese Islands. Medical Entomology and Zoology. 2. 1–130. 8 indexed citations

13.

Okami, Noboru. (1977). Studies on Ocean Color Spectrum(Symposium: Remote Sensing). 15(1). 56–66. 3 indexed citations

14.

Okami, Noboru, et al.. (1968). Optical Properties of the Water in Adjacent Regions of the Kuroshio. Journal of Engineering Physics and Thermophysics. 24(2). 45–50. 2 indexed citations

15.

Watanabe, Seiichi, et al.. (1962). ON THE INSTRUMENT FOR MEASURING ANGULAR DISTRIBUTION OF UNDERWATER RADIANCE. NIPPON SUISAN GAKKAISHI. 28(5). 489–496. 12 indexed citations

16.

Watanabe, Seiichi, et al.. (1958). Measurements of Angular Distribution of Submarine Daylight by Means of a New Instrument. Journal of Engineering Physics and Thermophysics. 14(2). 47–52. 11 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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