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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 43 7115 6838 310 307 288 6982

Philippe Keckhut publications per year

The chart shows the history of publications by Philippe Keckhut between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Philippe Keckhut published across 35 years, from 1991 to 2025, averaging 9.8 papers a year. Output peaked at 22 publications in 2010. 31 of the 342 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1991 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2010. 1991: 2 publications 1992: 2 publications 1993: 1 publication 1994: 0 publications 1995: 4 publications 1996: 5 publications 1997: 1 publication 1998: 7 publications 1999: 4 publications 2000: 3 publications 2001: 3 publications 2002: 7 publications 2003: 11 publications 2004: 13 publications 2005: 6 publications 2006: 14 publications 2007: 3 publications 2008: 17 publications 2009: 11 publications 2010: 22 publications 2011: 9 publications 2012: 19 publications 2013: 14 publications 2014: 13 publications 2015: 5 publications 2016: 16 publications 2017: 7 publications 2018: 15 publications 2019: 12 publications 2020: 12 publications 2021: 15 publications 2022: 21 publications 2023: 17 publications 2024: 16 publications 2025: 15 publications
1991 2025

342 publications in total across all disciplines

View publications per year as a table
Philippe Keckhut: publications per year, 1991 to 2025
Year Publications
1991 2
1992 2
1993 1
1994 0
1995 4
1996 5
1997 1
1998 7
1999 4
2000 3
2001 3
2002 7
2003 11
2004 13
2005 6
2006 14
2007 3
2008 17
2009 11
2010 22
2011 9
2012 19
2013 14
2014 13
2015 5
2016 16
2017 7
2018 15
2019 12
2020 12
2021 15
2022 21
2023 17
2024 16
2025 15
Total 342
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Philippe Keckhut 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 Philippe Keckhut 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, 281–290 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: 288 publications — 84th percentile

84% 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
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130 288
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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Philippe Keckhut 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 Philippe Keckhut 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, 43 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: 43 D-Index — 29th percentile

29% 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 43
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

Philippe Keckhut is affiliated with the Atmospheres Laboratory Environments, Observations Spatiales in France. Their research primarily focuses on Earth and Planetary Sciences and Environmental Science, with significant work in the subfields of Atmospheric Science, Global and Planetary Change, Astronomy and Astrophysics, Aerospace Engineering, and Oceanography.

Their work covers a range of topics, including:

  • Atmospheric Ozone and Climate
  • Atmospheric aerosols and clouds
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Ionosphere and magnetosphere dynamics
  • Meteorological Phenomena and Simulations
  • Climate variability and models

Keckhut has contributed to several notable publications in prominent scientific journals. Some of their recent papers include:

  • Observed Temperature Changes in the Troposphere and Stratosphere from 1979 to 2018, 2020, Journal of Climate
  • Doppler lidar at Observatoire de Haute-Provence for wind profiling up to 75 km altitude: performance evaluation and observations, 2020, Atmospheric Measurement Techniques
  • Australian Black Summer Smoke Observed by Lidar at the French Antarctic Station Dumont d'Urville, 2022, Journal of Geophysical Research Atmospheres
  • Using a network of temperature lidars to identify temperature biases in the upper stratosphere in ECMWF reanalyses, 2021, Atmospheric Chemistry and Physics
  • Gravity Wave Breaking Associated with Mesospheric Inversion Layers as Measured by the Ship-Borne BEM Monge Lidar and ICON-MIGHTI, 2021, Atmosphere

Their work has been published extensively in several venues, with the most frequent being:

  • Remote Sensing (11 publications)
  • Atmosphere (10 publications)
  • Atmospheric Chemistry and Physics (5 publications)
  • Atmospheric Measurement Techniques (4 publications)
  • Journal of Geophysical Research Atmospheres (3 publications)

Keckhut collaborates frequently with several co-authors, including:

  • Alain Hauchecorne
  • Sergey Khaykin
  • Mustapha Meftah
  • Alain Sarkissian
  • Slimane Bekki

Best Publications

  • An update of observed stratospheric temperature trends

    William J. Randel;Keith P. Shine;John Austin;John Barnett

  • Review of mesospheric temperature trends

    G. Beig;Philippe Keckhut;Robert P. Lowe;R. G. Roble

  • The SPARC Intercomparison of Middle-Atmosphere Climatologies.

    William Randel;Petra Udelhofen;Eric Fleming;Marvin Geller

  • Climatology and trends of the middle atmospheric temperature (33–87 km) as seen by Rayleigh lidar over the south of France

    Alain Hauchecorne;Marie-Lise Chanin;P. Keckhut

  • Midlatitude long‐term variability of the middle atmosphere: Trends and cyclic and episodic changes

    P. Keckhut;A. Hauchecorne;M. L. Chanin

  • A Critical Review of the Database Acquired for the Long-Term Surveillance of the Middle Atmosphere by the French Rayleigh Lidars

    Philippe Keckhut;Alain Hauchecorne;Marie-Lise Chanin

  • Observed Temperature Changes in the Troposphere and Stratosphere from 1979 to 2018

    A. K. Steiner;F. Ladstädter;William J. Randel;Amanda C. Maycock

  • Evaluation of optimization of lidar temperature analysis algorithms using simulated data

    Thierry Leblanc;I. Stuart McDermid;Alain Hauchecorne;Philippe Keckhut

  • Temperature climatology of the middle atmosphere from long‐term lidar measurements at middle and low latitudes

    Thierry Leblanc;I. Stuart McDermid;Philippe Keckhut;Alain Hauchecorne

  • Comparison of co-located independent ground-based middle atmospheric wind and temperature measurements with numerical weather prediction models

    A. Le Pichon;J. D. Assink;P. Heinrich;E. Blanc

  • Maïdo observatory: a new high-altitude station facility at Reunion Island (21° S, 55° E) for long-term atmospheric remote sensing and in situ measurements

    J.-L. Baray;J.-L. Baray;Y. Courcoux;P. Keckhut;T. Portafaix

  • Review of ozone and temperature lidar validations performed within the framework of the Network for the Detection of Stratospheric Change

    Philippe Keckhut;Stuart McDermid;Daan Swart;Thomas McGee

  • Validation of temperature measurements from the Halogen Occultation Experiment

    M. E. Hervig;J. M. Russell;L. L. Gordley;S. R. Drayson

  • Stratospheric and mesospheric cooling trend estimates from u.s. rocketsondes at low latitude stations (8°S–34°N), taking into account instrumental changes and natural variability

    P. Keckhut;F.J. Schmidlin;A. Hauchecorne;M.L. Chanin

  • Validation of UARS Microwave Limb Sounder Temperature and Pressure Measurements

    E. F. Fishbein;R. E. Cofield;L. Froidevaux;R. F. Jarnot

  • Subtropical tropopause break as a possible stratospheric source of ozone in the tropical troposphere

    J.L. Baray;G. Ancellet;F.G. Taupin;M. Bessafi

  • Overview of the temperature response in the mesosphere and lower thermosphere to solar activity

    Gufran Beig;Juergen Scheer;Martin G. Mlynczak;Philippe Keckhut

  • The 11-year solar-cycle effects on the temperature in the upper-stratosphere and mesosphere: Part I—Assessment of observations

    Philippe Keckhut;C. Cagnazzo;Marie-Lise Chanin;C. Claud

  • Variability and evolution of the midlatitude stratospheric aerosol budget from 22 years of ground-based lidar and satellite observations

    Sergey M. Khaykin;Sophie Godin-Beekmann;Philippe Keckhut;Alain Hauchecorne

  • Implementation and validation of a Raman lidar measurement of middle and upper tropospheric water vapor

    Vanessa Sherlock;Anne Garnier;Alain Hauchecorne;Philippe Keckhut

Frequent Co-Authors

Alain Hauchecorne
Alain Hauchecorne University of Paris-Saclay
Slimane Bekki
Slimane Bekki Sorbonne University
Sophie Godin-Beekmann
Sophie Godin-Beekmann Centre national de la recherche scientifique, CNRS
Hans Claude
Hans Claude German Meteorological Service
Wolfgang Steinbrecht
Wolfgang Steinbrecht German Meteorological Service
Chantal Claud
Chantal Claud École Polytechnique
Andrew Charlton-Perez
Andrew Charlton-Perez University of Reading
Niklaus Kämpfer
Niklaus Kämpfer University of Bern
Florence Goutail
Florence Goutail Centre national de la recherche scientifique, CNRS
Jean-Christopher Lambert
Jean-Christopher Lambert Royal Belgian Institute for Space Aeronomy

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