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Hartwig Harder

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 56 3669 3503 250 245 186 10707

Hartwig Harder publications per year

The chart shows the history of publications by Hartwig Harder between 1998 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hartwig Harder published across 28 years, from 1998 to 2025, averaging 8.5 papers a year. Output peaked at 23 publications in 2022. 27 of the 238 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1998 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2022. 1998: 8 publications 1999: 2 publications 2000: 3 publications 2001: 6 publications 2002: 9 publications 2003: 14 publications 2004: 6 publications 2005: 2 publications 2006: 8 publications 2007: 1 publication 2008: 3 publications 2009: 5 publications 2010: 7 publications 2011: 7 publications 2012: 11 publications 2013: 5 publications 2014: 7 publications 2015: 2 publications 2016: 8 publications 2017: 9 publications 2018: 11 publications 2019: 21 publications 2020: 7 publications 2021: 17 publications 2022: 23 publications 2023: 9 publications 2024: 13 publications 2025: 14 publications
1998 2025

238 publications in total across all disciplines

View publications per year as a table
Hartwig Harder: publications per year, 1998 to 2025
Year Publications
1998 8
1999 2
2000 3
2001 6
2002 9
2003 14
2004 6
2005 2
2006 8
2007 1
2008 3
2009 5
2010 7
2011 7
2012 11
2013 5
2014 7
2015 2
2016 8
2017 9
2018 11
2019 21
2020 7
2021 17
2022 23
2023 9
2024 13
2025 14
Total 238
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Hartwig Harder 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 Hartwig Harder 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: 186 publications — 59th percentile

59% 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
181–190 400 186
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

Hartwig Harder 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 Hartwig Harder 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, 56 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: 56 D-Index — 63rd percentile

63% 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 56
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

Overview

Hartwig Harder is affiliated with the Max Planck Institute for Chemistry in Germany and conducts research primarily in the fields of Earth and Planetary Sciences and Environmental Science. Their work focuses extensively on Atmospheric Science and its various intersections, including Global and Planetary Change, Health, Toxicology and Mutagenesis, Environmental Engineering, and Plant Science as subfields.

The scientist's research topics include Atmospheric chemistry and aerosols, Atmospheric Ozone and Climate, Atmospheric aerosols and clouds, Atmospheric and Environmental Gas Dynamics, Air Quality and Health Impacts, Air Quality Monitoring and Forecasting, and the COVID-19 impact on air quality.

Hartwig Harder has contributed to numerous peer-reviewed publications, some of the most recent and cited being:

  • Net ozone production and its relationship to nitrogen oxides and volatile organic compounds in the marine boundary layer around the Arabian Peninsula (2020, Atmospheric Chemistry and Physics)
  • Cleaner Skies during the COVID-19 Lockdown (2022, Bulletin of the American Meteorological Society)
  • Influence of vessel characteristics and atmospheric processes on the gas and particle phase of ship emission plumes: in situ measurements in the Mediterranean Sea and around the Arabian Peninsula (2020, Atmospheric Chemistry and Physics)
  • Severe atmospheric pollution in the Middle East is attributable to anthropogenic sources (2022, Communications Earth & Environment)
  • Atmospheric new particle formation from the CERN CLOUD experiment (2023, Nature Geoscience)

The most frequent publication venues for their work include:

  • Atmospheric Chemistry and Physics
  • Zenodo (CERN European Organization for Nuclear Research)
  • Nature
  • Bulletin of the American Meteorological Society
  • Communications Earth & Environment

Hartwig Harder has collaborated with a number of coauthors with repeated partnerships, including:

  • Jos Lelieveld
  • Andrea Pozzer
  • Horst Fischer
  • Ivan Tadić
  • John N. Crowley

Best Publications

  • Atmospheric oxidation capacity sustained by a tropical forest

    J. Lelieveld;T. M. Butler;J. N. Crowley;T. J. Dillon

  • Missing OH reactivity in a forest: evidence for unknown reactive biogenic VOCs.

    Piero Di Carlo;Piero Di Carlo;William H. Brune;Monica Martinez;Hartwig Harder

  • The reaction of Criegee intermediates with NO, RO2, and SO2, and their fate in the atmosphere

    L. Vereecken;H. Harder;A. Novelli

  • OH and HO2 Chemistry in the urban atmosphere of New York City

    Xinrong Ren;Hartwig Harder;Monica Martinez;Robert L. Lesher

  • Atmospheric oxidation capacity in the summer of Houston 2006: Comparison with summer measurements in other metropolitan studies

    Jingqiu Mao;Xinrong Ren;Shuang Chen;William H. Brune

  • Ozone production rates as a function of NOx abundances and HOx production rates in the Nashville urban plume

    J. A. Thornton;P. J. Wooldridge;R. C. Cohen;R. C. Cohen;M. Martinez

  • A laser induced fluorescence instrument for detecting tropospheric OH and HO2: Characteristics and calibration

    Ian C. Faloona;David Tan;Robert L. Lesher;Nathan L. Hazen

  • HOx concentrations and OH reactivity observations in New York City during PMTACS-NY2001

    Xinrong Ren;Hartwig Harder;Monica Martinez;Robert L Lesher

  • Testing fast photochemical theory during TRACE‐P based on measurements of OH, HO2, and CH2O

    Jennifer R. Olson;J. H. Crawford;G. Chen;A. Fried

  • OH and HO2 concentrations, sources, and loss rates during the Southern Oxidants Study in Nashville, Tennessee, summer 1999

    Monica Martinez;H. Harder;T. A. Kovacs;James B. Simpas

  • The atmospheric chemistry box model CAABA/MECCA-3.0

    Rolf Sander;Andreas Baumgaertner;Sergey Gromov;Hartwig Harder

  • Quantification of the unknown HONO daytime source and its relation to NO 2

    M. Sörgel;E. Regelin;H. Bozem;J.-M. Diesch

  • The South Asian monsoon-pollution pump and purifier.

    Jos Lelieveld;Jos Lelieveld;Efstratios Bourtsoukidis;Christoph Brühl;Horst Fischer

  • The reactions of Criegee intermediates with alkenes, ozone, and carbonyl oxides.

    L. Vereecken;H. Harder;A. Novelli

  • Improved simulation of isoprene oxidation chemistry with the ECHAM5/MESSy chemistry-climate model: lessons from the GABRIEL airborne field campaign

    T. M. Butler;D. Taraborrelli;C. Brühl;H. Fischer

  • Direct measurements of urban OH reactivity during Nashville SOS in summer 1999

    T. A. Kovacs;W. H. Brune;H. Harder;M. Martinez

  • Direct observation of OH formation from stabilised Criegee intermediates.

    A. Novelli;L. Vereecken;J. Lelieveld;H. Harder

  • First profile measurements of tropospheric BrO

    R. Fitzenberger;H. Bösch;C. Camy-Peyret;M. P. Chipperfield

  • Observation and modelling of HOx radicals in a boreal forest

    K. Hens;A. Novelli;M. Martinez;J. Auld;J. Auld

  • Direct observations of daytime NO3: Implications for urban boundary layer chemistry

    A. Geyer;B. Alicke;R. Ackermann;M. Martinez

  • HOx budgets during HOxComp: A case study of HOx chemistry under NOx-limited conditions

    Y F Elshorbany;Y F Elshorbany;J Kleffmann;A Hofzumahaus;R Kurtenbach

  • The community atmospheric chemistry box model CAABA/MECCA-4.0

    Rolf Sander;Andreas Baumgaertner;David Cabrera-Perez;Franziska Frank

  • Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: airborne measurements

    M. Martinez;H. Harder;D. Kubistin;M. Rudolf

Frequent Co-Authors

Monica Martinez
Monica Martinez Max Planck Institute for Chemistry
Jos Lelieveld
Jos Lelieveld Max Planck Institute for Chemistry
Jonathan Williams
Jonathan Williams Max Planck Society
William H. Brune
William H. Brune Pennsylvania State University
Herbert Fischer
Herbert Fischer Max Planck Society
Rolf Sander
Rolf Sander Max Planck Institute for Chemistry
John N. Crowley
John N. Crowley Max Planck Society
Birger Bohn
Birger Bohn Forschungszentrum Jülich
Vinayak Sinha
Vinayak Sinha Indian Institute of Science Education and Research Mohali
Eric J. Williams
Eric J. Williams National Oceanic and Atmospheric Administration

External Links

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Best Scientists Citing Hartwig Harder

Jos Lelieveld

Jos Lelieveld

Max Planck Institute for Chemistry

Publications: 100

Alex Guenther

Alex Guenther

University of California, Irvine

Publications: 95

William H. Brune

William H. Brune

Pennsylvania State University

Publications: 82

Jonathan Williams

Jonathan Williams

Max Planck Society

Publications: 80

Donald R. Blake

Donald R. Blake

University of California, Irvine

Publications: 75

Ronald C. Cohen

Ronald C. Cohen

University of California, Berkeley

Publications: 65

Carsten Warneke

Carsten Warneke

National Oceanic and Atmospheric Administration

Publications: 62

Paul O. Wennberg

Paul O. Wennberg

California Institute of Technology

Publications: 61

Xinrong Ren

Xinrong Ren

University of Maryland, College Park

Publications: 58

Markku Kulmala

Markku Kulmala

University of Helsinki

Publications: 57

Allen H. Goldstein

Allen H. Goldstein

University of California, Berkeley

Publications: 57

Steven S. Brown

Steven S. Brown

National Oceanic and Atmospheric Administration

Publications: 56

Glenn M. Wolfe

Glenn M. Wolfe

University of Maryland, Baltimore County

Publications: 55

Jose L. Jimenez

Jose L. Jimenez

University of Colorado Boulder

Publications: 54

J. A. de Gouw

J. A. de Gouw

University of Colorado Boulder

Publications: 53

Jingqiu Mao

Jingqiu Mao

University of Alaska Fairbanks

Publications: 53

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