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Hiroshi Sakugawa

Hiroshi Sakugawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 40 8100 7785 161 158 196 5888

Hiroshi Sakugawa publications per year

The chart shows the history of publications by Hiroshi Sakugawa between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Sakugawa published across 43 years, from 1983 to 2025, averaging 6.9 papers a year. Output peaked at 24 publications in 2003. 7 of the 297 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2003. 1983: 2 publications 1984: 0 publications 1985: 5 publications 1986: 2 publications 1987: 2 publications 1988: 1 publication 1989: 3 publications 1990: 6 publications 1991: 5 publications 1992: 7 publications 1993: 5 publications 1994: 1 publication 1995: 8 publications 1996: 1 publication 1997: 5 publications 1998: 5 publications 1999: 7 publications 2000: 13 publications 2001: 14 publications 2002: 10 publications 2003: 24 publications 2004: 22 publications 2005: 14 publications 2006: 10 publications 2007: 8 publications 2008: 7 publications 2009: 6 publications 2010: 10 publications 2011: 3 publications 2012: 8 publications 2013: 8 publications 2014: 6 publications 2015: 10 publications 2016: 5 publications 2017: 6 publications 2018: 8 publications 2019: 6 publications 2020: 14 publications 2021: 5 publications 2022: 5 publications 2023: 3 publications 2024: 5 publications 2025: 2 publications
1983 2025

297 publications in total across all disciplines

View publications per year as a table
Hiroshi Sakugawa: publications per year, 1983 to 2025
Year Publications
1983 2
1984 0
1985 5
1986 2
1987 2
1988 1
1989 3
1990 6
1991 5
1992 7
1993 5
1994 1
1995 8
1996 1
1997 5
1998 5
1999 7
2000 13
2001 14
2002 10
2003 24
2004 22
2005 14
2006 10
2007 8
2008 7
2009 6
2010 10
2011 3
2012 8
2013 8
2014 6
2015 10
2016 5
2017 6
2018 8
2019 6
2020 14
2021 5
2022 5
2023 3
2024 5
2025 2
Total 297
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Hiroshi Sakugawa publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Hiroshi Sakugawa sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 191–200 publications, is where this scientist sits. 41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 196 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377 196
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Hiroshi Sakugawa D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Hiroshi Sakugawa sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 40 D-Index, is where this scientist sits. 30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 40 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321 40
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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Overview

Hiroshi Sakugawa is affiliated with Hiroshima University in Japan. Their research primarily spans the fields of Environmental Science and Medicine, with a notable focus on subfields such as Pollution, Health, Toxicology and Mutagenesis, Oceanography, Industrial and Manufacturing Engineering, and Ecology.

The topics most frequently explored in their work include Marine and coastal ecosystems, Pesticide and Herbicide Environmental Studies, Pharmaceutical and Antibiotic Environmental Impacts, Liver Disease Diagnosis and Treatment, Water Quality Monitoring and Analysis, Toxic Organic Pollutants Impact, and Environmental Toxicology and Ecotoxicology.

Hiroshi Sakugawa has contributed to numerous scholarly articles published in several reputable venues. Their frequent publication outlets include The Science of The Total Environment, Environmental Science and Pollution Research, International Journal of Environmental Research, Hepatology Research, and Environmental Science & Technology.

  • Heavy metals in urban dusts from Alexandria and Kafr El-Sheikh, Egypt: implications for human health, 2020, Environmental Science and Pollution Research
  • Prevalence and associated metabolic factors of nonalcoholic fatty liver disease in the general population from 2014 to 2018 in Japan: A large-scale multicenter retrospective study, 2023, Hepatology Research
  • Factors controlling the degradation of hydrogen peroxide in river water, and the role of riverbed sand, 2020, The Science of The Total Environment
  • Sulfate Radical-Based Advanced Oxidation Technology to Remove Pesticides From Water A Review of the Most Recent Technologies, 2024, International Journal of Environmental Research
  • Singlet Oxygen Photogeneration in Coastal Seawater: Prospect of Large-Scale Modeling in Seawater Surface and Its Environmental Significance, 2020, Environmental Science & Technology

The scientist often collaborates with other researchers in their field. Frequent co-authors include Kazuhiko Takeda, Aly Derbalah, Yoko Iwamoto, Waqar Azeem Jadoon, and Chikumbusko Chiziwa Kaonga.

Best Publications

  • Transesterification of soybean oil using combusted oyster shell waste as a catalyst

    Nobutake Nakatani;Hitoshi Takamori;Kazuhiko Takeda;Hiroshi Sakugawa

  • Mobilization of arsenic from subsurface sediments by effect of bicarbonate ions in groundwater.

    Hossain M. Anawar;Junji Akai;Hiroshi Sakugawa

  • Atmospheric hydrogen peroxide: Does it share a role with ozone in degrading air quality

    Hiroshi Sakugawa;Isaac R. Kaplan;Wangteng Tsai;Yoram Cohen

  • Determination of Hydroxyl Radical Photoproduction Rates in Natural Waters

    Kazuhiko Takeda;Hiroshi Takedoi;Shuhei Yamaji;Keiichi Ohta

  • POLYCYCLIC AROMATIC HYDROCARBONS (PAHS) ASSOCIATED WITH ATMOSPHERIC PARTICLES IN HIGASHI HIROSHIMA, JAPAN: INFLUENCE OF METEOROLOGICAL CONDITIONS AND SEASONAL VARIATIONS

    Yasmin W.F. Tham;Kazuhiko Takeda;Hiroshi Sakugawa

  • Reviews and Syntheses: Ocean acidification and its potential impacts on marine ecosystems

    Khan M. G. Mostofa;Khan M. G. Mostofa;Khan M. G. Mostofa;Cong Qiang Liu;Weidong Zhai;Marco Minella;Marco Minella

  • Measurements of H2O2, aldehydes and organic acids in Los Angeles rainwater: Their sources and deposition rates☆

    Hiroshi Sakugawa;Isaac R. Kaplan;Lloyd S. Shepard

  • Temporal trends in organophosphorus pesticides use and concentrations in river water in Japan, and risk assessment

    Aly Derbalah;Russel Chidya;Waqar Jadoon;Hiroshi Sakugawa

  • pH dependent photoformation of hydroxyl radical and absorbance of aqueous-phase N(III) (HNO2 and NO2-)

    Takemitsu Arakaki;Takayuki Miyake;Tsuyoshi Hirakawa;Hiroshi Sakugawa

  • Three-year determination of trace metals and the lead isotope ratio in rain and snow depositions collected in Higashi-Hiroshima, Japan

    Kazuhiko Takeda;Kouji Marumoto;Tomomi Minamikawa;Hiroshi Sakugawa

  • Photocatalytic removal of fenitrothion in pure and natural waters by photo-Fenton reaction.

    Aly S. Derbalah;Nobutake Nakatani;Hiroshi Sakugawa

  • Effects of understory vegetation on the ecophysiological characteristics of an overstory pine, Pinus densiflora

    Atsushi Kume;Takami Satomura;Naoko Tsuboi;Masaaki Chiwa

  • Negative effects of fluoranthene on the ecophysiology of tomato plants (Lycopersicon esculentum Mill) Fluoranthene mists negatively affected tomato plants.

    Ilemobayo Oguntimehin;Fawzy Eissa;Hiroshi Sakugawa

  • Throughfall chemistry and canopy interactions in a Sitka spruce plantation sprayed with six different simulated polluted mist treatments.

    Masaaki Chiwa;A. Crossley;L. J. Sheppard;H. Sakugawa

  • H2O2 and O3 in the atmosphere of Los Angeles and its vicinity: factors controlling their formation and their role as oxidants of SO2

    Hiroshi Sakugawa;Isaac R. Kaplan

  • Dynamic partitioning of semivolatile organics in gas/particle/rain phases during rain scavenging

    Wangteng Tsai;Yoram Cohen;Hiroshi Sakugawa;Isaac R. Kaplan

  • Occurrence of Diuron and Irgarol in seawater, sediments and planktons of Seto Inland Sea, Japan.

    Sarangaraja Balakrishnan;Kazuhiko Takeda;Hiroshi Sakugawa

  • Spatial and temporal variations and factors controlling the concentrations of hydrogen peroxide and organic peroxides in rivers

    Khan M. G. Mostofa;Khan M. G. Mostofa;Hiroshi Sakugawa

  • Dry deposition washoff and dew on the surfaces of pine foliage on the urban- and mountain-facing sides of Mt. Gokurakuji, western Japan

    M. Chiwa;N. Oshiro;T. Miyake;N. Nakatani

  • Chemical studies on dissolved carbohydrates in the water samples collected from the north pacific and bering sea

    H. Sakugawa;N. Handa

Frequent Co-Authors

Isaac R. Kaplan
Isaac R. Kaplan University of California, Los Angeles
Davide Vione
Davide Vione University of Turin
Cong-Qiang Liu
Cong-Qiang Liu Tianjin University
Yoram Cohen
Yoram Cohen University of California, Los Angeles
Kyoichi Otsuki
Kyoichi Otsuki Kyushu University
Kunshan Gao
Kunshan Gao Xiamen University
John N. Cape
John N. Cape Stockholm University
Jabir Hussain Syed
Jabir Hussain Syed COMSATS University Islamabad
Shoichi Kawano
Shoichi Kawano Kyoto University
Lucy J. Sheppard
Lucy J. Sheppard UK Centre for Ecology & Hydrology

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