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Environmental Sciences
Australia
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 74 4615 4189 120 116 254 22738
Environmental Sciences 80 960 912 43 42 327 25960

Rai S. Kookana publications per year

The chart shows the history of publications by Rai S. Kookana between 1968 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rai S. Kookana published across 59 years, from 1968 to 2026, averaging 5.9 papers a year. Output peaked at 20 publications in 2014. 6 of the 346 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1968 to 2026. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2014. 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 0 publications 1992: 2 publications 1993: 2 publications 1994: 5 publications 1995: 5 publications 1996: 1 publication 1997: 5 publications 1998: 7 publications 1999: 5 publications 2000: 7 publications 2001: 15 publications 2002: 7 publications 2003: 13 publications 2004: 9 publications 2005: 9 publications 2006: 17 publications 2007: 10 publications 2008: 9 publications 2009: 16 publications 2010: 16 publications 2011: 16 publications 2012: 14 publications 2013: 15 publications 2014: 20 publications 2015: 11 publications 2016: 16 publications 2017: 6 publications 2018: 16 publications 2019: 9 publications 2020: 14 publications 2021: 9 publications 2022: 17 publications 2023: 9 publications 2024: 6 publications 2025: 3 publications 2026: 3 publications
1968 2026

346 publications in total across all disciplines

View publications per year as a table
Rai S. Kookana: publications per year, 1968 to 2026
Year Publications
1968 1
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 0
1992 2
1993 2
1994 5
1995 5
1996 1
1997 5
1998 7
1999 5
2000 7
2001 15
2002 7
2003 13
2004 9
2005 9
2006 17
2007 10
2008 9
2009 16
2010 16
2011 16
2012 14
2013 15
2014 20
2015 11
2016 16
2017 6
2018 16
2019 9
2020 14
2021 9
2022 17
2023 9
2024 6
2025 3
2026 3
Total 346
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Rai S. Kookana 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 Rai S. Kookana 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, 321–330 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: 327 publications — 89th percentile

89% 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
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
321–330 106 327
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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Rai S. Kookana 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 Rai S. Kookana 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, 80 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: 80 D-Index — 90th percentile

90% 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
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 80
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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Research.com Recognitions

  • 2023 - Research.com Environmental Sciences in Australia Leader Award
  • 2012 - Fellow of the Soil Science Society of America (SSSA)

Overview

Rai S. Kookana is affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. Their research primarily spans the field of Environmental Science, with a focus on several subfields including Health, Toxicology and Mutagenesis, Environmental Chemistry, Atmospheric Science, Pollution, and Water Science and Technology.

Their work covers key topics such as Per- and Polyfluoroalkyl Substances (PFAS) research, Toxic Organic Pollutants Impact, Atmospheric Chemistry and Aerosols, Chemical Analysis and Environmental Impact, Pesticide and Herbicide Environmental Studies, Fluoride Effects and Removal, and Air Quality and Health Impacts.

Some of the frequent co-authors collaborating with Rai S. Kookana include:

  • Divina A. Navarro
  • Mike J. McLaughlin
  • Greg B. Davis
  • Jochen F. Mueller
  • Shervin Kabiri

Their research outputs have appeared often in several publication venues, notably:

  • The Science of The Total Environment
  • SSRN Electronic Journal
  • Environmental Science & Technology
  • Environmental Pollution
  • Journal of Hazardous Materials

Notable recent papers with Rai S. Kookana as an author or co-author include:

  • "Urbanisation and emerging economies: Issues and potential solutions for water and food security," 2020, The Science of The Total Environment
  • "Influences of Chemical Properties, Soil Properties, and Solution pH on Soil-Water Partitioning Coefficients of Per- and Polyfluoroalkyl Substances (PFASs)," 2020, Environmental Science & Technology
  • "Increasing ionic strength and valency of cations enhance sorption through hydrophobic interactions of PFAS with soil surfaces," 2022, The Science of The Total Environment
  • "Comprehensive framework for human health risk assessment of nanopesticides," 2021, Nature Nanotechnology
  • "Model-based identification of vadose zone controls on PFAS mobility under semi-arid climate conditions," 2022, Water Research

Rai S. Kookana has been recognized as a Fellow of the Soil Science Society of America (SSSA) since 2012.

Best Publications

  • Environmental fate of alkylphenols and alkylphenol ethoxylates--a review

    Guang-Guo Ying;Brian Williams;Rai Kookana

  • A critical evaluation of nanopesticides and nanofertilizers against their conventional analogues.

    Melanie Kah;Rai Singh Kookana;Alexander Gogos;Thomas Daniel Bucheli

  • Occurrence and fate of hormone steroids in the environment.

    Guang-Guo Ying;Rai S Kookana;Ying-Jun Ru

  • Biochar Application to Soil: Agronomic and Environmental Benefits and Unintended Consequences

    R.S. Kookana;A.K. Sarmah;L. Van Zwieten;E. Krull

  • Ionic-strength and pH effects on the sorption of cadmium and the surface charge of soils

    R. Naidu;R. Naidu;N.S. Bolan;R. S. Kookana;K.G. Tiller;K.G. Tiller

  • Characteristics of biochar and its application in remediation of contaminated soil

    Jingchun Tang;Wenying Zhu;Rai Kookana;Arata Katayama

  • Reduced plant uptake of pesticides with biochar additions to soil

    Xiang-Yang Yu;Guang-Guo Ying;Guang-Guo Ying;Rai S. Kookana

  • Cadmium Sorption and Transport in Variable Charge Soils: A Review

    R. Naidu;R. S. Kookana;M. E. Sumner;R. D. Harter

  • Sorption and degradation of selected five endocrine disrupting chemicals in aquifer material.

    Guang-Guo Ying;Rai S Kookana;Peter Dillon

  • Nanopesticides: guiding principles for regulatory evaluation of environmental risks.

    Rai S. Kookana;Alistair B. A. Boxall;Philip T. Reeves;Roman Ashauer

  • Biological degradation of triclocarban and triclosan in a soil under aerobic and anaerobic conditions and comparison with environmental fate modelling.

    Guang-Guo Ying;Xiang-Yang Yu;Rai S. Kookana

  • Triclosan in wastewaters and biosolids from Australian wastewater treatment plants

    Guang-Guo Ying;Rai S. Kookana

  • Influences of Chemical Properties, Soil Properties, and Solution pH on Soil-Water Partitioning Coefficients of Per- and Polyfluoroalkyl Substances (PFASs).

    Thi Minh Hong Nguyen;Jennifer Bräunig;Kristie Thompson;Jack Thompson

  • Fate and uptake of pharmaceuticals in soil-plant systems.

    Laura J. Carter;Eleanor Harris;Mike Williams;Jim J. Ryan

  • Sorption and desorption behaviors of diuron in soils amended with charcoal.

    Xiang-Yang Yu;Guang-Guo Ying;Rai S Kookana

  • The role of biochar in modifying the environmental fate, bioavailability, and efficacy of pesticides in soils: a review

    Rai S. Kookana

  • The nature of soil organic matter affects sorption of pesticides. 1. Relationships with carbon chemistry as determined by 13C CPMAS NMR spectroscopy.

    Riaz Ahmad;Rai S. Kookana;and Angus M. Alston;Jan O. Skjemstad

  • Degradation of Five Selected Endocrine-Disrupting Chemicals in Seawater and Marine Sediment

    Guang-Guo Ying;Rai S. Kookana

  • Occurrence and removal of benzotriazoles and ultraviolet filters in a municipal wastewater treatment plant

    You-Sheng Liu;Guang-Guo Ying;Guang-Guo Ying;Ali Shareef;Rai S. Kookana

  • A critical analysis of published data to discern the role of soil and sediment properties in determining sorption of per and polyfluoroalkyl substances (PFASs).

    Yasong Li;Danielle P. Oliver;Rai S. Kookana;Rai S. Kookana

  • Pesticide fate and behaviour in Australian soils in relation to contamination and management of soil and water : a review

    R. S. Kookana;S. Baskaran;R. Naidu

  • Sorption and degradation of estrogen‐like‐endocrine disrupting chemicals in soil

    Guang-Guo Ying;Rai S. Kookana

Frequent Co-Authors

Guang-Guo Ying
Guang-Guo Ying South China Normal University
Ravi Naidu
Ravi Naidu University of Newcastle Australia
Mike J. McLaughlin
Mike J. McLaughlin University of Adelaide
Ronald J. Smernik
Ronald J. Smernik University of Adelaide
Mallavarapu Megharaj
Mallavarapu Megharaj University of Newcastle Australia
You-Sheng Liu
You-Sheng Liu Chinese Academy of Sciences
David J. Chittleborough
David J. Chittleborough University of Adelaide
Balwant Singh
Balwant Singh University of Sydney
Michael St. J. Warne
Michael St. J. Warne University of Queensland
Vadakattu V. S. R. Gupta
Vadakattu V. S. R. Gupta Commonwealth Scientific and Industrial Research Organisation

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