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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 50 5077 4862 1864 1723 181 7713

S. Trivikrama Rao publications per year

The chart shows the history of publications by S. Trivikrama Rao between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. S. Trivikrama Rao published across 56 years, from 1970 to 2025, averaging 3.3 papers a year. Output peaked at 13 publications in 2011. 1 of the 183 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1970 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2011. 1970: 2 publications 1971: 1 publication 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 1 publication 1976: 2 publications 1977: 2 publications 1978: 1 publication 1979: 2 publications 1980: 2 publications 1981: 3 publications 1982: 1 publication 1983: 2 publications 1984: 0 publications 1985: 3 publications 1986: 3 publications 1987: 3 publications 1988: 0 publications 1989: 2 publications 1990: 0 publications 1991: 4 publications 1992: 1 publication 1993: 1 publication 1994: 6 publications 1995: 2 publications 1996: 5 publications 1997: 5 publications 1998: 6 publications 1999: 3 publications 2000: 6 publications 2001: 12 publications 2002: 3 publications 2003: 7 publications 2004: 3 publications 2005: 3 publications 2006: 2 publications 2007: 7 publications 2008: 9 publications 2009: 2 publications 2010: 8 publications 2011: 13 publications 2012: 13 publications 2013: 5 publications 2014: 10 publications 2015: 2 publications 2016: 6 publications 2017: 2 publications 2018: 0 publications 2019: 1 publication 2020: 3 publications 2021: 2 publications 2022: 0 publications 2023: 0 publications 2024: 0 publications 2025: 1 publication
1970 2025

183 publications in total across all disciplines

View publications per year as a table
S. Trivikrama Rao: publications per year, 1970 to 2025
Year Publications
1970 2
1971 1
1972 0
1973 0
1974 0
1975 1
1976 2
1977 2
1978 1
1979 2
1980 2
1981 3
1982 1
1983 2
1984 0
1985 3
1986 3
1987 3
1988 0
1989 2
1990 0
1991 4
1992 1
1993 1
1994 6
1995 2
1996 5
1997 5
1998 6
1999 3
2000 6
2001 12
2002 3
2003 7
2004 3
2005 3
2006 2
2007 7
2008 9
2009 2
2010 8
2011 13
2012 13
2013 5
2014 10
2015 2
2016 6
2017 2
2018 0
2019 1
2020 3
2021 2
2022 0
2023 0
2024 0
2025 1
Total 183
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S. Trivikrama Rao 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 S. Trivikrama Rao 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, 181–190 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: 181 publications — 57th percentile

57% 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
181–190 400 181
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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S. Trivikrama Rao 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 S. Trivikrama Rao 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, 50 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: 50 D-Index — 50th percentile

50% 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 50
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

S. Trivikrama Rao is affiliated with North Carolina State University in the United States and works primarily in the field of Environmental Science. Their research focuses on topics related to air quality, atmospheric chemistry, and environmental gas dynamics.

They have contributed to several subfields, including:

  • Health, Toxicology and Mutagenesis
  • Atmospheric Science
  • Global and Planetary Change
  • Artificial Intelligence
  • Environmental Engineering

Their main research topics cover:

  • Air Quality and Health Impacts
  • Atmospheric chemistry and aerosols
  • Wind and Air Flow Studies
  • Atmospheric aerosols and clouds
  • Atmospheric and Environmental Gas Dynamics
  • Domain Adaptation and Few-Shot Learning
  • Bayesian Modeling and Causal Inference

S. Trivikrama Rao has published research in several academic venues, with frequent contributions to:

  • Journal of the Air & Waste Management Association (4 publications)
  • Atmospheric chemistry and physics (2 publications)
  • arXiv (Cornell University)
  • Midwest Social Sciences Journal

Notable papers authored or coauthored by them include:

  • On the limit to the accuracy of regional-scale air quality models, 2020, Atmospheric chemistry and physics
  • Evaluating trends and seasonality in modeled PM 2.5 concentrations using empirical mode decomposition, 2020, Atmospheric chemistry and physics
  • Assessing the manageable portion of ground-level ozone in the contiguous United States, 2020, Journal of the Air & Waste Management Association
  • JA&WMA recognizes the outstanding efforts of its reviewers and editors, 2020, Journal of the Air & Waste Management Association
  • Introduction to Invited Papers on Climate Change, 2021, Journal of the Air & Waste Management Association

The scientist has collaborated frequently with a number of researchers including:

  • Huiying Luo
  • Marina Astitha
  • Christian Hogrefe
  • Rohit Mathur
  • Valerie Garcia

Best Publications

  • A modeling study of the impact of urban trees on ozone.

    David J Nowak;Kevin L Civerolo;S Trivikrama Rao;Gopal Sistla

  • Space and Time Scales in Ambient Ozone Data

    Unknown

  • Separating Different Scales of Motion in Time Series of Meteorological Variables.

    Robert E. Eskridge;Jia Yeong Ku;S. Trivikrama Rao;P. Steven Porter

  • A framework for evaluating regional-scale numerical photochemical modeling systems

    Robin Dennis;Tyler Fox;Montse Fuentes;Alice Gilliland

  • The Role of Vertical Mixing in the Temporal Evolution of Ground-Level Ozone Concentrations

    Jian Zhang;S. Trivikrama Rao

  • A trajectory-clustering-correlation methodology for examining the long-range transport of air pollutants

    Elvira Brankov;S.Trivikrama Rao;P.Steven Porter

  • Detecting and tracking changes in ozone air quality.

    Unknown

  • Operational model evaluation for particulate matter in Europe and North America in the context of AQMEII

    Efisio Solazzo;Roberto Bianconi;Guido Pirovano;Volker Matthias

  • Model evaluation and ensemble modelling of surface-level ozone in Europe and North America in the context of AQMEII

    Efisio Solazzo;Roberto Bianconi;Robert Vautard;K. Wyat Appel

  • Evaluating the performance of regional-scale photochemical modeling systems. Part III—Precursor predictions

    Christian Hogrefe;S.Trivikrama Rao;Prasad Kasibhatla;Winston Hao

  • Air Quality Model Evaluation International Initiative (AQMEII): Advancing the State of the Science in Regional Photochemical Modeling and Its Applications

    S. Trivikrama Rao;Stefano Galmarini;Keith Puckett

  • ESTIMATING COST EFFECTIVENESS OF RESIDENTIAL YARD TREES FOR IMPROVING AIR QUALITY IN SACRAMENTO, CALIFORNIA, USING EXISTING MODELS

    E.Gregory McPherson;Klaus I. Scott;James R. Simpson

  • Interpreting the Information in Ozone Observations and Model Predictions Relevant to Regulatory Policies in the Eastern United States

    Christian Hogrefe;S. Trivikrama Rao;Igor G. Zurbenko;P. Steven Porter

  • Dynamic evaluation of regional air quality models: Assessing changes in O3 stemming from changes in emissions and meteorology

    Alice B. Gilliland;Christian Hogrefe;Robert W. Pinder;James M. Godowitch

  • Evaluating the Effectiveness of Ozone Management Efforts in the Presence of Meteorological Variability

    Meghan L Milanchus;S Trivikrama Rao;Igor G Zurbenko

  • New methods for evaluating meteorological models used in air quality applications

    Robert C. Gilliam;Christian Hogrefe;S.T. Rao

  • Moderating the Influence of Meteorological Conditions on Ambient Ozone Concentrations.

    Jennifer B. Flaum;S. Trivikrama Rao;Igor G. Zurbenko

  • Evaluating the performance of regional-scale photochemical modeling systems: Part I—meteorological predictions

    Christian Hogrefe;S.Trivikrama Rao;Prasad Kasibhatla;George Kallos

  • Evaluation of the meteorological forcing used for the Air Quality Model Evaluation International Initiative (AQMEII) air quality simulations

    Robert Vautard;Michael D. Moran;Efisio Solazzo;Robert C. Gilliam

  • Determining temporal and spatial variations in ozone air quality.

    S. Trivikrama Rao;Eric Zalewsky;Igor G. Zurbenko

  • Examination of the Community Multiscale Air Quality (CMAQ) model performance over the North American and European domains

    K. Wyat Appel;Charles Chemel;Shawn J. Roselle;Xavier V. Francis

  • Evaluation of real‐time PM2.5 forecasts and process analysis for PM2.5 formation over the eastern United States using the Eta‐CMAQ forecast model during the 2004 ICARTT study

    Shaocai Yu;Rohit Mathur;Kenneth Schere;Daiwen Kang

Frequent Co-Authors

Christian Hogrefe
Christian Hogrefe Environmental Protection Agency
Rohit Mathur
Rohit Mathur Environmental Protection Agency
Kevin Civerolo
Kevin Civerolo New York State Department of Environmental Conservation
George Kallos
George Kallos National and Kapodistrian University of Athens
Efisio Solazzo
Efisio Solazzo European Food Safety Authority
Ranjeet S. Sokhi
Ranjeet S. Sokhi University of Hertfordshire
Daiwen Kang
Daiwen Kang Environmental Protection Agency
Robert Vautard
Robert Vautard École Normale Supérieure Paris-Saclay
Ana Isabel Miranda
Ana Isabel Miranda University of Aveiro
Bertrand Bessagnet
Bertrand Bessagnet École Normale Supérieure

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