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Folkard Wittrock

Folkard Wittrock

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 51 4787 4582 329 321 188 8747

Folkard Wittrock publications per year

The chart shows the history of publications by Folkard Wittrock between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Folkard Wittrock published across 32 years, from 1994 to 2025, averaging 6.2 papers a year. Output peaked at 15 publications in 2015. 2 of the 198 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2015. 1994: 2 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 1 publication 1999: 0 publications 2000: 3 publications 2001: 2 publications 2002: 7 publications 2003: 7 publications 2004: 9 publications 2005: 6 publications 2006: 7 publications 2007: 8 publications 2008: 9 publications 2009: 6 publications 2010: 13 publications 2011: 10 publications 2012: 12 publications 2013: 11 publications 2014: 12 publications 2015: 15 publications 2016: 12 publications 2017: 9 publications 2018: 4 publications 2019: 7 publications 2020: 6 publications 2021: 6 publications 2022: 8 publications 2023: 4 publications 2024: 0 publications 2025: 2 publications
1994 2025

198 publications in total across all disciplines

View publications per year as a table
Folkard Wittrock: publications per year, 1994 to 2025
Year Publications
1994 2
1995 0
1996 0
1997 0
1998 1
1999 0
2000 3
2001 2
2002 7
2003 7
2004 9
2005 6
2006 7
2007 8
2008 9
2009 6
2010 13
2011 10
2012 12
2013 11
2014 12
2015 15
2016 12
2017 9
2018 4
2019 7
2020 6
2021 6
2022 8
2023 4
2024 0
2025 2
Total 198
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Folkard Wittrock 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 Folkard Wittrock 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: 188 publications — 60th percentile

60% 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
181–190 400 188
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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Folkard Wittrock 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 Folkard Wittrock 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, 51 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: 51 D-Index — 52nd percentile

52% 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 51
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

Folkard Wittrock is affiliated with the University of Bremen in Germany. Their research predominantly lies within Earth and Planetary Sciences and Environmental Science, with a specific focus on Atmospheric Science and related subfields including Global and Planetary Change, Environmental Engineering, Automotive Engineering, and Industrial and Manufacturing Engineering.

The scientist's main topics of study revolve around atmospheric chemistry and aerosols, atmospheric ozone and climate, and atmospheric and environmental gas dynamics. Other notable areas include maritime transport emissions and efficiency, vehicle emissions and performance, atmospheric aerosols and clouds, and water quality monitoring and analysis.

Folkard Wittrock has contributed significantly to peer-reviewed publications, particularly in the journal Atmospheric Measurement Techniques, with eight papers published there, and an additional publication in Gefahrstoffe Reinhaltung der Luft. Recent papers include:

  • Ground-based validation of the Copernicus Sentinel-5P TROPOMI NO 2 measurements with the NDACC ZSL-DOAS, MAX-DOAS and Pandonia global networks, 2021, Atmospheric Measurement Techniques
  • Intercomparison of NO 2, O 4, O 3 and HCHO slant column measurements by MAX-DOAS and zenith-sky UV-visible spectrometers during CINDI-2, 2020, Atmospheric Measurement Techniques
  • Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies on field data from the CINDI-2 campaign, 2021, Atmospheric Measurement Techniques
  • Validation of tropospheric NO 2 column measurements of GOME-2A and OMI using MAX-DOAS and direct sun network observations, 2020, Atmospheric Measurement Techniques
  • Validation of Sentinel-5P TROPOMI tropospheric NO 2 products by comparison with NO 2 measurements from airborne imaging DOAS, ground-based stationary DOAS, and mobile car DOAS measurements during the S5P-VAL-DE-Ruhr campaign, 2023, Atmospheric Measurement Techniques

Folkard Wittrock's collaborative work includes frequent co-authors such as Andreas Richter, Michel Van Roozendaël, Thomas Wagner, Gaïa Pinardi, and François Hendrick.

Best Publications

  • Global budgets of atmospheric glyoxal and methylglyoxal, and implications for formation of secondary organic aerosols

    Tzung-May Fu;Tzung-May Fu;Daniel J. Jacob;Folkard Wittrock;John P. Burrows

  • GOME observations of tropospheric BrO in northern hemispheric spring and summer 1997

    Andreas Richter;Folkard Wittrock;Michael Eisinger;John P. Burrows

  • Simultaneous global observations of glyoxal and formaldehyde from space

    Folkard Wittrock;Andreas Richter;Hilke Oetjen;John P. Burrows

  • Megacities as hot spots of air pollution in the East Mediterranean

    Maria Kanakidou;Nikolaos Mihalopoulos;Tayfun Kindap;Ulas Im

  • MAX-DOAS measurements of atmospheric trace gases in Ny- ˚ Alesund - Radiative transfer studies and their application

    F. Wittrock;H. Oetjen;A. Richter;S. Fietkau

  • Validation of Ozone Monitoring Instrument nitrogen dioxide columns

    E.A. Celarier;E.J. Brinksma;J.F. Gleason;J.P. Veefkind

  • Comparison of box-air-mass-factors and radiances for Multiple-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) geometries calculated from different UV/visible radiative transfer models

    T. Wagner;T. Wagner;J. P. Burrows;T. Deutschmann;B. Dix

  • MAX-DOAS measurements of formaldehyde in the Po-Valley

    A. Heckel;A. Richter;T. Tarsu;F. Wittrock

  • The influence of natural and anthropogenic secondary sources on the glyoxal global distribution

    S. Myriokefalitakis;M. Vrekoussis;K. Tsigaridis;K. Tsigaridis;F. Wittrock

  • Eight-component retrievals from ground-based MAX-DOAS observations

    H. Irie;H. Takashima;Y. Kanaya;K.F. Boersma;K.F. Boersma

  • Dynamical control of NH and SH winter/spring total ozone from GOME observations in 1995-2002

    M. Weber;S. Dhomse;F. Wittrock;A. Richter

  • GOME MEASUREMENTS OF STRATOSPHERIC AND TROPOSPHERIC BrO

    A. Richter;F. Wittrock;A. Ladstätter-Weißenmayer;J.P. Burrows

  • The continental source of glyoxal estimated by the synergistic use of spaceborne measurements and inverse modelling

    T. Stavrakou;J.-F. Müller;I. De Smedt;M. Van Roozendael

  • The 2005 and 2006 DANDELIONS NO2 and aerosol intercomparison campaigns

    EJ Brinksma;G Pinardi;H Volten;R Braak

  • Observations of iodine monoxide columns from satellite

    A. Schönhardt;A. Richter;F. Wittrock;H. Kirk

  • GOME-2 observations of oxygenated VOCs: what can we learn from the ratio glyoxal to formaldehyde on a global scale?

    M. Vrekoussis;M. Vrekoussis;F. Wittrock;A. Richter;J. P. Burrows

  • Temporal and spatial variability of glyoxal as observed from space

    M. Vrekoussis;F. Wittrock;A. Richter;J. P. Burrows

  • The Cabauw Intercomparison campaign for Nitrogen Dioxide measuring Instruments (CINDI): design, execution, and early results

    A. J. M. Piters;K. F. Boersma;M. Kroon;J. C. Hains

  • Intercomparison of BrO measurements from ERS-2 GOME, ground-based and balloon platforms

    M Van Roozendael;T Wagner;A Richter;I Pundt;I Pundt

  • Intercomparison of NO2, O4, O3 and HCHO slant column measurements by MAX-DOAS and zenith-sky UV-visible spectrometers during CINDI-2

    Karin Kreher;Michel Van Roozendael;Francois Hendrick;Arnoud Apituley

  • Intercomparison of slant column measurements of NO 2 and O 4 by MAX-DOAS and zenith-sky UV and visible spectrometers

    HK Roscoe;Van M Roozendael;C Fayt;du A Piesanie

Frequent Co-Authors

John P. Burrows
John P. Burrows University of Bremen
Andreas Richter
Andreas Richter University of Bremen
Mihalis Vrekoussis
Mihalis Vrekoussis University of Bremen
Thomas Wagner
Thomas Wagner Max Planck Institute for Chemistry
M. Van Roozendael
M. Van Roozendael Royal Belgian Institute for Space Aeronomy
Gaia Pinardi
Gaia Pinardi Royal Belgian Institute for Space Aeronomy
Ulrich Platt
Ulrich Platt Heidelberg University
Hitoshi Irie
Hitoshi Irie Chiba University
Howard K. Roscoe
Howard K. Roscoe British Antarctic Survey
Jean-Christopher Lambert
Jean-Christopher Lambert Royal Belgian Institute for Space Aeronomy

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