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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 40 8101 7786 368 345 122 5885

Keshab Sharma publications per year

The chart shows the history of publications by Keshab Sharma between 2001 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Keshab Sharma published across 26 years, from 2001 to 2026, averaging 5 papers a year. Output peaked at 16 publications in 2015. 2 of the 130 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2001 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2015. 2001: 1 publication 2002: 0 publications 2003: 1 publication 2004: 4 publications 2005: 6 publications 2006: 6 publications 2007: 2 publications 2008: 6 publications 2009: 8 publications 2010: 7 publications 2011: 8 publications 2012: 2 publications 2013: 7 publications 2014: 6 publications 2015: 16 publications 2016: 5 publications 2017: 4 publications 2018: 10 publications 2019: 8 publications 2020: 7 publications 2021: 5 publications 2022: 6 publications 2023: 2 publications 2024: 1 publication 2025: 1 publication 2026: 1 publication
2001 2026

130 publications in total across all disciplines

View publications per year as a table
Keshab Sharma: publications per year, 2001 to 2026
Year Publications
2001 1
2002 0
2003 1
2004 4
2005 6
2006 6
2007 2
2008 6
2009 8
2010 7
2011 8
2012 2
2013 7
2014 6
2015 16
2016 5
2017 4
2018 10
2019 8
2020 7
2021 5
2022 6
2023 2
2024 1
2025 1
2026 1
Total 130
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Keshab Sharma 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 Keshab Sharma 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, 121–130 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: 122 publications — 25th percentile

25% 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
121–130 617 122
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
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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Keshab Sharma 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 Keshab Sharma 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

Keshab Sharma is affiliated with BGC Engineering in Canada and has contributed extensively to the fields of Environmental Science and Engineering. Their research focuses on environmental engineering, process chemistry and technology, and industrial and manufacturing engineering, reflecting a multidisciplinary approach to urban water systems and wastewater management.

The main fields of study of Sharma include Environmental Science with 21 publications and Engineering with 9 publications. Within these, subfields of note include Environmental Engineering, Industrial and Manufacturing Engineering, Civil and Structural Engineering, Process Chemistry and Technology, and Health, Toxicology and Mutagenesis.

Sharma's research covers several specialized topics related to water systems and environmental management:

  • Urban Stormwater Management Solutions
  • Odor and Emission Control Technologies
  • Water Systems and Optimization
  • Water Treatment and Disinfection
  • Wastewater Treatment and Reuse
  • Constructed Wetlands for Wastewater Treatment
  • Wind and Air Flow Studies

The scientist has published frequently in various academic journals, with notable frequent venues being:

  • Water Research (5 publications)
  • Chemosphere (2 publications)
  • Journal of Hazardous Materials (2 publications)
  • IEEE Transactions on Industrial Informatics (1 publication)
  • Chemical Engineering Journal (1 publication)

Recent papers authored or coauthored by Sharma include:

  • "Hydrogen sulfide control in sewer systems: A critical review of recent progress," 2023, Water Research
  • "Effects of dosing iron- and alum-containing waterworks sludge on sulfide and phosphate removal in a pilot sewer," 2020, Chemical Engineering Journal
  • "Assessing the removal of organic micropollutants from wastewater by discharging drinking water sludge to sewers," 2020, Water Research
  • "Exploring the Spatial Impact of Green Infrastructure on Urban Drainage Resilience," 2021, Water
  • "Real-Time Predictive Control for Chemical Distribution in Sewer Networks Using Improved Elephant Herding Optimization," 2020, IEEE Transactions on Industrial Informatics

Frequent collaborators in Sharma's work include Zhiguo Yuan with 14 joint publications, Oriol Gutiérrez and Haoran Duan with 5 each, José Porro with 4, and Jiuling Li with 4.

In addition to journal articles, Sharma has contributed to book publications. One significant work is titled "Quantification and Modelling of Fugitive Greenhouse Gas Emissions from Urban Water Systems," published by UWA Publishing in 2022, which has been cited 51 times.

Best Publications

  • The 2015 Gorkha Nepal Earthquake: Insights from Earthquake Damage Survey

    Katsuichiro Goda;Takashi Kiyota;Rama Mohan Pokhrel;Gabriele Chiaro

  • Effects of long-term pH elevation on the sulfate-reducing and methanogenic activities of anaerobic sewer biofilms.

    Oriol Gutierrez;Donghee Park;Keshab Raj Sharma;Zhiguo Yuan

  • Reducing sewer corrosion through integrated urban water management

    Ilje Pikaar;Keshab R. Sharma;Shihu Hu;Wolfgang Gernjak

  • Dynamics and dynamic modelling of H2S production in sewer systems.

    Keshab Raj Sharma;Zhiguo Yuan;David de Haas;Geoff Hamilton

  • Evaluation of oxygen injection as a means of controlling sulfide production in a sewer system.

    Oriol Gutierrez;Janani Mohanakrishnan;Keshab Raj Sharma;Rikke Louise Meyer

  • Sulfur transformation in rising main sewers receiving nitrate dosage.

    Guangming Jiang;Keshab Raj Sharma;Albert Guisasola;Jurg Keller

  • A pilot study for wastewater reclamation and reuse with MBR/RO and MF/RO systems

    L.S. Tam;T.W. Tang;G.N. Lau;K.R. Sharma

  • Iron salts dosage for sulfide control in sewers induces chemical phosphorus removal during wastewater treatment

    Oriol Gutierrez;Donghee Park;Keshab R. Sharma;Zhiguo Yuan

  • Development of a model for assessing methane formation in rising main sewers

    Albert Guisasola;Keshab R. Sharma;Jurg Keller;Zhiguo Yuan

  • Effects of nitrite concentration and exposure time on sulfide and methane production in sewer systems

    Guangming Jiang;Oriol Gutierrez;Keshab Raj Sharma;Zhiguo Yuan

  • Impact of nitrate addition on biofilm properties and activities in rising main sewers.

    J. Mohanakrishnan;O. Gutierrez;K.R. Sharma;A. Guisasola;A. Guisasola

  • Corrosion and odor management in sewer systems.

    Guangming Jiang;Jing Sun;Keshab R Sharma;Zhiguo Yuan

  • Methane emission from sewers.

    Yiwen Liu;Bing-Jie Ni;Keshab R. Sharma;Zhiguo Yuan

  • Stratified microbial structure and activity in sulfide- and methane-producing anaerobic sewer biofilms.

    Jing Sun;Shihu Hu;Keshab Raj Sharma;Bing-Jie Ni

  • Sulfide and methane production in sewer sediments

    Yiwen Liu;Bing-Jie Ni;Ramon Ganigué;Ursula Werner

  • Effects of nitrate dosing on methanogenic activity in a sulfide-producing sewer biofilm reactor.

    Guangming Jiang;Keshab Raj Sharma;Zhiguo Yuan

  • Nitrogen transformations in intensive aquaculture system and its implication to climate change through nitrous oxide emission.

    Zhen Hu;Jae Woo Lee;Kartik Chandran;Sungpyo Kim

  • Influence of carbohydrate addition on nitrogen transformations and greenhouse gas emissions of intensive aquaculture system

    Zhen Hu;Jae Woo Lee;Kartik Chandran;Sungpyo Kim

  • Optimization of intermittent, simultaneous dosage of nitrite and hydrochloric acid to control sulfide and methane productions in sewers.

    Guangming Jiang;Oriol Gutierrez;Keshab Raj Sharma;Jurg Keller

  • Feasibility of sulfide control in sewers by reuse of iron rich drinking water treatment sludge.

    Jing Sun;Ilje Pikaar;Keshab Raj Sharma;Jürg Keller

  • Integration of sulphate reduction, autotrophic denitrification and nitrification to achieve low-cost excess sludge minimisation for Hong Kong sewage.

    G.N. Lau;K.R. Sharma;G.H. Chen;M.C.M. van Loosdrecht

Frequent Co-Authors

Zhiguo Yuan
Zhiguo Yuan City University of Hong Kong
Jurg Keller
Jurg Keller University of Queensland
Guangming Jiang
Guangming Jiang University of Wollongong
Sudhir Murthy
Sudhir Murthy Columbia University
Guanghao Chen
Guanghao Chen Hong Kong University of Science and Technology
Bing-Jie Ni
Bing-Jie Ni University of New South Wales
Shihu Hu
Shihu Hu University of Queensland
Yiwen Liu
Yiwen Liu University of Technology Sydney
Rikke Louise Meyer
Rikke Louise Meyer Aarhus University
Peter A. Vanrolleghem
Peter A. Vanrolleghem Université Laval

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