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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 32 9608 9194 3446 3190 88 5153

Stephen Conley publications per year

The chart shows the history of publications by Stephen Conley between 2008 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stephen Conley published across 18 years, from 2008 to 2025, averaging 5.4 papers a year. Output peaked at 14 publications in 2020. 5 of the 97 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 2008 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2020. 2008: 2 publications 2009: 2 publications 2010: 0 publications 2011: 1 publication 2012: 5 publications 2013: 5 publications 2014: 6 publications 2015: 6 publications 2016: 9 publications 2017: 11 publications 2018: 8 publications 2019: 10 publications 2020: 14 publications 2021: 4 publications 2022: 9 publications 2023: 0 publications 2024: 3 publications 2025: 2 publications
2008 2025

97 publications in total across all disciplines

View publications per year as a table
Stephen Conley: publications per year, 2008 to 2025
Year Publications
2008 2
2009 2
2010 0
2011 1
2012 5
2013 5
2014 6
2015 6
2016 9
2017 11
2018 8
2019 10
2020 14
2021 4
2022 9
2023 0
2024 3
2025 2
Total 97
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Stephen Conley 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 Stephen Conley 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, 81–90 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: 88 publications — 8th percentile

8% 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 88
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
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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Stephen Conley 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 Stephen Conley 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, 32 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: 32 D-Index — 1st percentile

1% 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 32
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
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

Stephen Conley is affiliated with the National Aeronautics and Space Administration in the United States. Their research spans numerous topics primarily within the fields of Environmental Science and Earth and Planetary Sciences.

The scientist's main fields of study include:

  • Environmental Science
  • Earth and Planetary Sciences

Conley's subfields of study focus on:

  • Global and Planetary Change
  • Atmospheric Science
  • Renewable Energy, Sustainability and the Environment
  • Environmental Engineering
  • Spectroscopy

The main topics of work associated with their research are:

  • Atmospheric and Environmental Gas Dynamics
  • Atmospheric chemistry and aerosols
  • Atmospheric aerosols and clouds
  • Oil, Gas, and Environmental Issues
  • Wind and Air Flow Studies
  • Meteorological Phenomena and Simulations
  • Spectroscopy and Laser Applications

Stephen Conley has contributed to multiple scientific journals and publication venues. Frequent venues include:

  • Atmospheric chemistry and physics
  • Environmental Science & Technology
  • Environmental Research Letters
  • Journal of Geophysical Research Atmospheres
  • Atmospheric Environment

Some recent papers authored or co-authored by Conley are:

  • Concurrent variation in oil and gas methane emissions and oil price during the COVID-19 pandemic, 2021, Atmospheric chemistry and physics
  • Airborne Assessment of Methane Emissions from Offshore Platforms in the U.S. Gulf of Mexico, 2020, Environmental Science & Technology
  • A tale of two regions: methane emissions from oil and gas production in offshore/onshore Mexico, 2021, Environmental Research Letters
  • Methane emissions from underground gas storage in California, 2020, Environmental Research Letters
  • Quantification and assessment of methane emissions from offshore oil and gas facilities on the Norwegian continental shelf, 2022, Atmospheric chemistry and physics

Frequent co-authors collaborating with Conley include:

  • M. L. Smith
  • Dani Caputi
  • E. A. Kort
  • A. O. Langford
  • Christoph J. Senff

Best Publications

  • Methane emissions estimate from airborne measurements over a western United States natural gas field

    Anna Karion;Anna Karion;Colm Sweeney;Colm Sweeney;Gabrielle Pétron;Gabrielle Pétron;Gregory Frost;Gregory Frost

  • Airborne methane remote measurements reveal heavy-tail flux distribution in Four Corners region

    Christian Frankenberg;Andrew K. Thorpe;David R. Thompson;Glynn Hulley

  • California's methane super-emitters.

    Riley M. Duren;Riley M. Duren;Andrew K. Thorpe;Kelsey T. Foster;Talha Rafiq

  • A new look at methane and nonmethane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin

    Gabrielle Pétron;Gabrielle Pétron;Anna Karion;Anna Karion;Colm Sweeney;Colm Sweeney;Benjamin R. Miller;Benjamin R. Miller

  • Methane emissions from the 2015 Aliso Canyon blowout in Los Angeles, CA

    S. Conley;G. Franco;I. Faloona;D. R. Blake

  • Aircraft-Based Estimate of Total Methane Emissions from the Barnett Shale Region

    Anna Karion;Colm Sweeney;Colm Sweeney;Eric A. Kort;Paul B. Shepson

  • Agriculture is a major source of NO x pollution in California.

    Maya Almaraz;Edith Bai;Edith Bai;Chao Wang;Justin Trousdell

  • Comparisons of Airborne Measurements and Inventory Estimates of Methane Emissions in the Alberta Upstream Oil and Gas Sector.

    Matthew R. Johnson;David R. Tyner;Stephen Conley;Stefan Schwietzke

  • Application of Gauss's Theorem to quantify localized surface emissions from airborne measurements of wind and trace gases

    Stephen Conley;Ian Faloona;Shobhit Mehrotra;Maxime Suard

  • Quantifying atmospheric methane emissions from oil and natural gas production in the Bakken shale region of North Dakota

    J. Peischl;J. Peischl;A. Karion;A. Karion;A. Karion;C. Sweeney;C. Sweeney;E. A. Kort

  • Improved Mechanistic Understanding of Natural Gas Methane Emissions from Spatially Resolved Aircraft Measurements

    Stefan Schwietzke;Gabrielle Pétron;Gabrielle Pétron;Stephen Conley;Cody Pickering

  • Demonstration of an Ethane Spectrometer for Methane Source Identification

    Tara I. Yacovitch;Scott C. Herndon;Joseph R. Roscioli;Cody Floerchinger

  • Concurrent variation in oil and gas methane emissions and oil price during the COVID-19 pandemic

    David R. Lyon;Benjamin Hmiel;Ritesh Gautam;Mark Omara

  • Airborne DOAS retrievals of methane, carbon dioxide, and water vapor concentrations at high spatial resolution: Application to AVIRIS-NG

    Andrew K. Thorpe;Christian Frankenberg;David R. Thompson;Riley M. Duren

  • Revisiting the evidence of increasing springtime ozone mixing ratios in the free troposphere over western North America

    Meiyun Lin;Meiyun Lin;Larry W. Horowitz;Owen R. Cooper;Owen R. Cooper;David Tarasick

  • Sulfur dioxide in the tropical marine boundary layer: dry deposition and heterogeneous oxidation observed during the Pacific Atmospheric Sulfur Experiment

    Ian Faloona;Stephen A. Conley;Byron Blomquist;Antony D. Clarke

  • A tale of two regions: Methane emissions from oil and gas production in offshore/onshore Mexico

    Daniel Zavala-Araiza;Daniel Zavala-Araiza;Mark Omara;Ritesh Gautam;Mackenzie L Smith

  • Spatiotemporal Variability of Methane Emissions at Oil and Natural Gas Operations in the Eagle Ford Basin

    Tegan N. Lavoie;Paul B. Shepson;Maria O. L. Cambaliza;Brian H. Stirm

  • Airborne Assessment of Methane Emissions from Offshore Platforms in the U.S. Gulf of Mexico.

    Alan M. Gorchov Negron;Eric A. Kort;Stephen A. Conley;Mackenzie L. Smith

  • Airborne Quantification of Methane Emissions over the Four Corners Region.

    Mackenzie L. Smith;Alexander Gvakharia;Eric A. Kort;Colm Sweeney;Colm Sweeney

  • Residual layer ozone, mixing, and the nocturnal jet in California's San Joaquin Valley

    Dani J. Caputi;Ian Faloona;Justin Trousdell;Jeanelle Smoot

Frequent Co-Authors

Colm Sweeney
Colm Sweeney National Oceanic and Atmospheric Administration
Gabrielle Pétron
Gabrielle Pétron National Oceanic and Atmospheric Administration
Ian Faloona
Ian Faloona University of California, Davis
Anna Karion
Anna Karion National Institute of Standards and Technology
Eric A. Kort
Eric A. Kort University of Michigan–Ann Arbor
Russell C. Schnell
Russell C. Schnell National Oceanic and Atmospheric Administration
Christoph J. Senff
Christoph J. Senff National Oceanic and Atmospheric Administration
Edward J. Dlugokencky
Edward J. Dlugokencky National Oceanic and Atmospheric Administration
Jeff Peischl
Jeff Peischl Cooperative Institute for Research in Environmental Sciences
Detlev Helmig
Detlev Helmig Institute of Arctic and Alpine Research

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