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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 83 824 786 355 330 219 34816

Nga L. Ng publications per year

The chart shows the history of publications by Nga L. Ng between 2003 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nga L. Ng published across 19 years, from 2003 to 2021, averaging 10.9 papers a year. Output peaked at 20 publications in 2015. 34 of the 208 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2003 to 2021. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2015. 2003: 2 publications 2004: 3 publications 2005: 7 publications 2006: 8 publications 2007: 9 publications 2008: 4 publications 2009: 7 publications 2010: 12 publications 2011: 11 publications 2012: 11 publications 2013: 8 publications 2014: 14 publications 2015: 20 publications 2016: 18 publications 2017: 17 publications 2018: 13 publications 2019: 10 publications 2020: 15 publications 2021: 19 publications
2003 2021

208 publications in total across all disciplines

View publications per year as a table
Nga L. Ng: publications per year, 2003 to 2021
Year Publications
2003 2
2004 3
2005 7
2006 8
2007 9
2008 4
2009 7
2010 12
2011 11
2012 11
2013 8
2014 14
2015 20
2016 18
2017 17
2018 13
2019 10
2020 15
2021 19
Total 208
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Nga L. Ng 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 Nga L. Ng 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, 211–220 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: 219 publications — 70th percentile

70% 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
211–220 282 219
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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Nga L. Ng 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 Nga L. Ng 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, 83 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: 83 D-Index — 92nd percentile

92% 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
81 38
82 48
83 42 83
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

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Oxygen
  • Carbon dioxide

His primary areas of investigation include Aerosol, Mass spectrometry, Environmental chemistry, Photochemistry and Organosulfate. His research integrates issues of Mass spectrum, Sulfate, Particulates, Hydrocarbon and NOx in his study of Aerosol. Nga L. Ng is studying Aerosol mass spectrometry, which is a component of Mass spectrometry.

Nga L. Ng interconnects Radiative forcing and Monomer in the investigation of issues within Aerosol mass spectrometry. His Environmental chemistry study integrates concerns from other disciplines, such as Xylene, Relative humidity, Atmospheric model, Redox and Aqueous solution. Nga L. Ng has researched Photochemistry in several fields, including Cycloheptene, Stereochemistry and Double bond.

His most cited work include:

  • Evolution of Organic Aerosols in the Atmosphere (2184 citations)
  • Organic aerosol components observed in Northern Hemispheric datasets from Aerosol Mass Spectrometry (594 citations)
  • Secondary organic aerosol formation from isoprene photooxidation. (527 citations)

What are the main themes of his work throughout his whole career to date?

Aerosol, Environmental chemistry, Mass spectrometry, Particulates and Analytical chemistry are his primary areas of study. His Aerosol study incorporates themes from Volatility, NOx, Air quality index, Sulfate and Nitrate. Nga L. Ng has included themes like Photochemistry, Radical and Hydrocarbon in his NOx study.

His Environmental chemistry research integrates issues from Organic matter, Aerosol mass spectrometry, Chemical composition and Mass concentration. His Mass spectrometry study combines topics from a wide range of disciplines, such as Characterization and Chemical ionization. His Particulates study combines topics in areas such as Combustion, Air pollution, Meteorology and Oxygen.

He most often published in these fields:

  • Aerosol (80.36%)
  • Environmental chemistry (47.62%)
  • Mass spectrometry (23.21%)

What were the highlights of his more recent work (between 2019-2021)?

  • Aerosol (80.36%)
  • Environmental chemistry (47.62%)
  • Particulates (19.64%)

In recent papers he was focusing on the following fields of study:

Nga L. Ng focuses on Aerosol, Environmental chemistry, Particulates, Air quality index and NOx. His study focuses on the intersection of Aerosol and fields such as Volatility with connections in the field of Radical. His work in the fields of Environmental chemistry, such as Speciation, overlaps with other areas such as North china.

The Particulates study combines topics in areas such as Toxicity and Aqueous solution. His Air quality index research is multidisciplinary, incorporating elements of Sulfate, Anthropogenic pollutants and Ammonia. As a part of the same scientific family, he mostly works in the field of NOx, focusing on Nitrate and, on occasion, Chemical ionization.

Between 2019 and 2021, his most popular works were:

  • Enveloped Virus Inactivation on Personal Protective Equipment by Exposure to Ozone. (12 citations)
  • Chemical characterization of secondary organic aerosol at a rural site in the southeastern US: insights from simultaneous high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) and FIGAERO chemical ionization mass spectrometer (CIMS) measurements (4 citations)
  • Nontargeted Tandem Mass Spectrometry Analysis Reveals Diversity and Variability in Aerosol Functional Groups across Multiple Sites, Seasons, and Times of Day (4 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Oxygen
  • Carbon dioxide

His primary scientific interests are in Environmental chemistry, Aerosol, NOx, Nitrate and Mass spectrometry. Many of his research projects under Environmental chemistry are closely connected to Human health with Human health, tying the diverse disciplines of science together. Nga L. Ng combines subjects such as Anthropogenic pollutants and Air quality index with his study of Aerosol.

His NOx research incorporates themes from Organic nitrates, Chemical ionization, Characterization, Particulates and Time of flight. His Nitrate study frequently links to other fields, such as Mass spectrum.

Best Publications

  • Evolution of Organic Aerosols in the Atmosphere

    J. L. Jimenez;M. R. Canagaratna;N. M. Donahue;A. S. H. Prevot

  • Organic aerosol components observed in Northern Hemispheric datasets from Aerosol Mass Spectrometry

    N.L. Ng;M.R. Canagaratna;Q. Zhang;Q. Zhang;J.L. Jimenez

  • Recent advances in understanding secondary organic aerosol: Implications for global climate forcing

    Manish Shrivastava;Christopher D. Cappa;Jiwen Fan;Allen H. Goldstein

  • An Aerosol Chemical Speciation Monitor (ACSM) for Routine Monitoring of the Composition and Mass Concentrations of Ambient Aerosol

    N. L. Ng;S. C. Herndon;A. Trimborn;M. R. Canagaratna

  • Understanding atmospheric organic aerosols via factor analysis of aerosol mass spectrometry: a review

    Qi Zhang;Jose L. Jimenez;Jose L. Jimenez;Manjula R. Canagaratna;Ingrid M. Ulbrich

  • Secondary organic aerosol formation from isoprene photooxidation.

    Jesse H. Kroll;Nga L. Ng;Shane M. Murphy;Richard C. Flagan

  • Secondary organic aerosol formation from m-xylene, toluene, and benzene

    N. L. Ng;J. H. Kroll;A. W. H. Chan;P. S. Chhabra

  • Evidence for organosulfates in secondary organic aerosol.

    Jason D. Surratt;Jesse H. Kroll;Tadeusz E. Kleindienst;Edward O. Edney

  • Chemical composition of secondary organic aerosol formed from the photooxidation of isoprene

    Jason D. Surratt;Shane M. Murphy;Jesse H. Kroll;Nga L. Ng

  • Effects of anthropogenic emissions on aerosol formation from isoprene and monoterpenes in the southeastern United States

    Lu Xu;Hongyu Guo;Christopher M. Boyd;Mitchel Klein

  • Changes in organic aerosol composition with aging inferred from aerosol mass spectra

    N. L. Ng;M. R. Canagaratna;J. L. Jimenez;P. S. Chhabra

  • Fine-particle water and pH in the southeastern United States

    H. Guo;L. Xu;A. Bougiatioti;A. Bougiatioti;K. M. Cerully

  • Nitrate radicals and biogenic volatile organic compounds: oxidation, mechanisms, and organic aerosol

    Nga Lee Ng;Steven S. Brown;Steven S. Brown;Alexander T. Archibald;Elliot Atlas

  • Gas‐phase products and secondary aerosol yields from the photooxidation of 16 different terpenes

    Anita Lee;Allen H. Goldstein;Jesse H. Kroll;Nga L. Ng

  • The AeroCom evaluation and intercomparison of organic aerosol in global models

    K. Tsigaridis;K. Tsigaridis;N. Daskalakis;N. Daskalakis;M. Kanakidou;P. J. Adams

  • Effect of NO x level on secondary organic aerosol (SOA) formation from the photooxidation of terpenes

    N. L. Ng;P. S. Chhabra;A. W.H. Chan;Jason D Surratt

  • Gas‐phase products and secondary aerosol yields from the ozonolysis of ten different terpenes

    Anita Lee;Allen H. Goldstein;Melita D. Keywood;Song Gao

  • Particle phase acidity and oligomer formation in secondary organic aerosol.

    Song Gao;Nga L. Ng;Melita D. Keywood;Varuntida Varutbangkul

  • Chamber studies of secondary organic aerosol growth by reactive uptake of simple carbonyl compounds

    Jesse H. Kroll;Nga L. Ng;Shane M. Murphy;Varuntida Varutbangkul

  • Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways

    D. K. Henze;D. K. Henze;J. H. Seinfeld;N. L. Ng;J. H. Kroll

  • Contribution of nitrated phenols to wood burning brown carbon light absorption in Detling, United Kingdom during winter time.

    Claudia Mohr;Felipe D. Lopez-Hilfiker;Peter Zotter;André S. H. Prévôt

  • Real-time methods for estimating organic component mass concentrations from aerosol mass spectrometer data.

    N. L. Ng;M. R. Canagaratna;J. L. Jimenez;Q. Zhang

Frequent Co-Authors

John H. Seinfeld
John H. Seinfeld California Institute of Technology
Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Richard C. Flagan
Richard C. Flagan California Institute of Technology
Rodney J. Weber
Rodney J. Weber Georgia Institute of Technology
Douglas R. Worsnop
Douglas R. Worsnop University of Helsinki
Athanasios Nenes
Athanasios Nenes École Polytechnique Fédérale de Lausanne
Hongyu Guo
Hongyu Guo University of Colorado Boulder
Leah R. Williams
Leah R. Williams Aerodyne Research

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