World's Best Scientists 2026 revealed!
Patrick L. Hayes

Patrick L. Hayes

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 41 7628 7329 342 321 119 7867

Patrick L. Hayes publications per year

The chart shows the history of publications by Patrick L. Hayes between 2007 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Patrick L. Hayes published across 20 years, from 2007 to 2026, averaging 7.4 papers a year. Output peaked at 19 publications in 2011. 8 of the 148 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2007 to 2026. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2011. 2007: 3 publications 2008: 2 publications 2009: 3 publications 2010: 7 publications 2011: 19 publications 2012: 11 publications 2013: 11 publications 2014: 10 publications 2015: 10 publications 2016: 5 publications 2017: 9 publications 2018: 8 publications 2019: 4 publications 2020: 11 publications 2021: 5 publications 2022: 6 publications 2023: 12 publications 2024: 4 publications 2025: 6 publications 2026: 2 publications
2007 2026

148 publications in total across all disciplines

View publications per year as a table
Patrick L. Hayes: publications per year, 2007 to 2026
Year Publications
2007 3
2008 2
2009 3
2010 7
2011 19
2012 11
2013 11
2014 10
2015 10
2016 5
2017 9
2018 8
2019 4
2020 11
2021 5
2022 6
2023 12
2024 4
2025 6
2026 2
Total 148
Download as CSV

Patrick L. Hayes 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 Patrick L. Hayes 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, 111–120 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: 119 publications — 23rd percentile

23% 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
111–120 541 119
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
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
Download as CSV

Patrick L. Hayes 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 Patrick L. Hayes 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, 41 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: 41 D-Index — 22nd percentile

22% 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 41
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
Download as CSV

Research.com Recognitions

  • 2020 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Patrick L. Hayes is affiliated with the University of Montreal in Canada. Their research primarily focuses on environmental and atmospheric sciences, contributing to the understanding of air quality, atmospheric chemistry, and related health impacts.

They have published extensively in fields such as Environmental Science and Earth and Planetary Sciences. Their subfields of study include Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, Global and Planetary Change, and Automotive Engineering.

The main topics of their work are:

  • Atmospheric chemistry and aerosols
  • Air Quality and Health Impacts
  • Air Quality Monitoring and Forecasting
  • Atmospheric aerosols and clouds
  • Atmospheric Ozone and Climate
  • Atmospheric and Environmental Gas Dynamics
  • Vehicle emissions and performance

Patrick L. Hayes has frequently published in these venues:

  • Atmospheric chemistry and physics
  • Aerosol Science and Technology
  • Environmental Science Atmospheres
  • Atmospheric Environment
  • Environmental Science & Technology

Their recent scientific papers include:

  • Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality (2021, Atmospheric chemistry and physics)
  • Contrasting Reactive Organic Carbon Observations in the Southeast United States (SOAS) and Southern California (CalNex) (2020, Environmental Science & Technology)
  • Measurements of Tropospheric Bromine Monoxide Over Four Halogen Activation Seasons in the Canadian High Arctic (2020, Journal of Geophysical Research Atmospheres)
  • Quantification of cooking organic aerosol in the indoor environment using aerodyne aerosol mass spectrometers (2021, Aerosol Science and Technology)
  • Ice nucleating properties of airborne dust from an actively retreating glacier in Yukon, Canada (2022, Environmental Science Atmospheres)

Patrick L. Hayes has collaborated frequently with several co-authors, including Robin Stevens, Nansi Fakhri, Jean Sciare, Charbel Afif, and Andy Vicente-Luis.

Among the recognized honors, they were named Fellow of the American Association for the Advancement of Science (AAAS) in 2020.

Best Publications

  • Volatile chemical products emerging as largest petrochemical source of urban organic emissions.

    Brian C. McDonald;Brian C. McDonald;Joost A. De Gouw;Joost A. De Gouw;Jessica B. Gilman;Shantanu H. Jathar

  • Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies

    M. J. Cubison;M. J. Cubison;A. M. Ortega;A. M. Ortega;P. L. Hayes;P. L. Hayes;D. K. Farmer;D. K. Farmer

  • Review of Urban Secondary Organic Aerosol Formation from Gasoline and Diesel Motor Vehicle Emissions

    Drew R. Gentner;Shantanu H. Jathar;Timothy D. Gordon;Timothy D. Gordon;Roya Bahreini

  • Organic aerosol composition and sources in Pasadena, California, during the 2010 CalNex campaign

    P. L. Hayes;A. M. Ortega;M. J. Cubison;K. D. Froyd;K. D. Froyd

  • Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements

    W. W. Hu;P. Campuzano-Jost;B. B. Palm;D. A. Day

  • Fine particle pH and gas–particle phase partitioning of inorganic species in Pasadena, California, during the 2010 CalNex campaign

    Hongyu Guo;Jiumeng Liu;Jiumeng Liu;Karl D. Froyd;Karl D. Froyd;James M. Roberts

  • Simulation of semi-explicit mechanisms of SOA formation from glyoxal in aerosol in a 3-D model

    C. Knote;A. Hodzic;J. L. Jimenez;R. Volkamer

  • Impact of Thermal Decomposition on Thermal Desorption Instruments: Advantage of Thermogram Analysis for Quantifying Volatility Distributions of Organic Species.

    Harald Stark;Harald Stark;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli;Samantha L. Thompson;Samantha L. Thompson;Hyungu Kang;Hyungu Kang

  • Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars.

    S. M. Platt;S. M. Platt;I. El Haddad;S. M. Pieber;A. A. Zardini

  • Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010

    P. L. Hayes;P. L. Hayes;P. L. Hayes;A. G. Carlton;K. R. Baker;R. Ahmadov;R. Ahmadov

  • Real-time measurements of secondary organic aerosol formation and aging from ambient air in an oxidation flow reactor in the Los Angeles area

    Amber M. Ortega;Patrick L. Hayes;Zhe Peng;Brett B. Palm

  • Semivolatile POA and parameterized total combustion SOA in CMAQv5.2: impacts on source strength and partitioning

    Benjamin N. Murphy;Matthew C. Woody;Jose L. Jimenez;Jose L. Jimenez;Ann Marie G. Carlton

  • Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality

    Benjamin A. Nault;Benjamin A. Nault;Duseong S. Jo;Duseong S. Jo;Brian C. McDonald;Brian C. McDonald;Pedro Campuzano-Jost;Pedro Campuzano-Jost

  • Modeling the formation and aging of secondary organic aerosols during CalNex 2010

    P. L. Hayes;A. G. Carlton;K. R. Baker;R. Ahmadov

  • The glyoxal budget and its contribution to organic aerosol for Los Angeles, California, during CalNex 2010

    R. A. Washenfelder;R. A. Washenfelder;C. J. Young;C. J. Young;S. S. Brown;W. M. Angevine;W. M. Angevine

  • Sources and Secondary Production of Organic Aerosols in the Northeastern United States during WINTER

    J. C. Schroder;J. C. Schroder;P. Campuzano-Jost;P. Campuzano-Jost;D. A. Day;D. A. Day;V. Shah

  • Identification and manipulation of the pleuromutilin gene cluster from Clitopilus passeckerianus for increased rapid antibiotic production.

    Andy M. Bailey;Fabrizio Alberti;Sreedhar Kilaru;Catherine M. Collins

  • Understanding sources of organic aerosol during CalNex-2010 using the CMAQ-VBS

    Matthew C. Woody;Kirk R. Baker;Patrick L. Hayes;Patrick L. Hayes;Patrick L. Hayes;Jose L. Jimenez;Jose L. Jimenez

  • Detailed chemical characterization of unresolved complex mixtures in atmospheric organics: Insights into emission sources, atmospheric processing, and secondary organic aerosol formation

    Arthur W. H. Chan;Arthur W. H. Chan;Gabriel Isaacman;Kevin R. Wilson;David R. Worton

  • Heterogeneous formation of nitryl chloride and its role as a nocturnal NOx reservoir species during CalNex‐LA 2010

    L. H. Mielke;L. H. Mielke;J. Stutz;C. Tsai;S. C. Hurlock

  • Comprehensive characterization of atmospheric organic carbon at a forested site

    James F. Hunter;Douglas A. Day;Douglas A. Day;Brett B. Palm;Brett B. Palm;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli;Reddy L. N. Yatavelli

  • Droplet activation properties of organic aerosols observed at an urban site during CalNex-LA

    Fan Mei;Fan Mei;Patrick L. Hayes;Patrick L. Hayes;Amber Ortega;Amber Ortega;Jonathan W. Taylor

Frequent Co-Authors

Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Jessica B. Gilman
Jessica B. Gilman National Oceanic and Atmospheric Administration
J. A. de Gouw
J. A. de Gouw University of Colorado Boulder
Allen H. Goldstein
Allen H. Goldstein University of California, Berkeley
Rebecca A. Washenfelder
Rebecca A. Washenfelder National Oceanic and Atmospheric Administration
Rodney J. Weber
Rodney J. Weber Georgia Institute of Technology
William C. Kuster
William C. Kuster National Oceanic and Atmospheric Administration
Douglas A. Day
Douglas A. Day University of Colorado Boulder
Weiwei Hu
Weiwei Hu Chinese Academy of Sciences

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring environmental sciences opens doors to various interdisciplinary fields. For those interested in the physical aspects of the Earth, pursuing geology degrees online can provide a strong foundation in earth processes, mineralogy, and environmental monitoring. This knowledge is essential when addressing issues like natural resource management and climate change.

Another closely related area is Geographic Information Systems (GIS). Specializing in a geographic information systems degree equips students with valuable skills to analyze spatial data, crucial for mapping environmental changes and supporting sustainable urban planning.

For those aiming to influence environmental policy and community programs, an administrative route such as the best online MPA program offers leadership training in public administration. This pathway helps bridge science with effective policy-making and public service.

Understanding the social dimensions of environmental issues is equally important. Studying an online bachelors in sociology allows students to explore how social behaviors, communities, and cultures impact environmental outcomes and sustainability initiatives.

Best Scientists Citing Patrick L. Hayes

Trending Scientists

Recently Published Articles