World's Best Scientists 2026 revealed!
Hans D. Osthoff

Hans D. Osthoff

D-Index & Metrics

Environmental Sciences

D-Index
34
Citations
5386
World Ranking
9417
National Ranking
440

Hans D. Osthoff 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 Hans D. Osthoff sits on this spectrum.

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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 102 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Hans D. Osthoff 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 Hans D. Osthoff sits on this spectrum.

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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 34 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Hans D. Osthoff is affiliated with the University of Calgary in Canada. Their research primarily spans the field of Earth and Planetary Sciences, with a focus on atmospheric science and related subfields including spectroscopy, environmental engineering, materials chemistry, and global and planetary change.

The main topics of their work include atmospheric chemistry and aerosols, atmospheric ozone and climate, air quality monitoring and forecasting, spectroscopy and laser applications, catalytic processes in materials science, atmospheric and environmental gas dynamics, and odor and emission control technologies.

The following list identifies some recent publications by Hans D. Osthoff, illustrating the breadth of their research interests:

  • Quantification of nitrous acid (HONO) and nitrogen dioxide (NO 2) in ambient air by broadband cavity-enhanced absorption spectroscopy (IBBCEAS) between 361 and 388 nm, 2020, Atmospheric measurement techniques
  • A compact, high-purity source of HONO validated by Fourier transform infrared and thermal-dissociation cavity ring-down spectroscopy, 2020, Atmospheric measurement techniques
  • Potential interferences in photolytic nitrogen dioxide converters for ambient air monitoring: Evaluation of a prototype, 2020, Journal of the Air & Waste Management Association
  • On the photolysis branching ratio of methyl ethyl ketone, 2021, Atmospheric Environment
  • Validation of MAX-DOAS retrievals of aerosol extinction, SO 2, and NO 2 through comparison with lidar, sun photometer, active DOAS, and aircraft measurements in the Athabasca oil sands region, 2020, Atmospheric measurement techniques

Frequent publication venues for Osthoff include:

  • Atmospheric measurement techniques
  • Chemosphere
  • Journal of the Air & Waste Management Association
  • Atmospheric Environment
  • Journal of Environmental Sciences

Collaborative work features several frequently co-authoring researchers:

  • Kevin D. Easterbrook
  • Nick Jordan
  • Natasha M. Garner
  • Mitchell A. Vona
  • Nicholas J. Gingerysty

Best Publications

  • Nitrate radicals and biogenic volatile organic compounds: oxidation, mechanisms, and organic aerosol

    Nga Lee Ng;Steven S. Brown;Steven S. Brown;Alexander T. Archibald;Elliot Atlas

  • High levels of nitryl chloride in the polluted subtropical marine boundary layer

    Hans D. Osthoff;Hans D. Osthoff;Hans D. Osthoff;James M. Roberts;A. R. Ravishankara;A. R. Ravishankara;Eric J. Williams;Eric J. Williams

  • Electronic Modification of the [RuII(tpy)(bpy)(OH2)]2+ Scaffold: Effects on Catalytic Water Oxidation

    Derek J. Wasylenko;Chelladurai Ganesamoorthy;Matthew A. Henderson;Bryan D. Koivisto

  • Observation of ClNO₂ in a mid-continental urban environment.

    Levi H Mielke;Amanda Furgeson;Hans D Osthoff

  • Reactive uptake coefficients for N2O5 determined from aircraft measurements during the Second Texas Air Quality Study: Comparison to current model parameterizations

    Steven S. Brown;Steven S. Brown;William P. Dubé;William P. Dubé;Hendrik Fuchs;Hendrik Fuchs;Hendrik Fuchs;Thomas B. Ryerson

  • Oil sands operations as a large source of secondary organic aerosols

    John Liggio;Shao-Meng Li;Katherine Hayden;Youssef M. Taha

  • N2O5 oxidizes chloride to Cl2 in acidic atmospheric aerosol.

    James M. Roberts;Hans D. Osthoff;Hans D. Osthoff;Steven S. Brown;A. R. Ravishankara;A. R. Ravishankara

  • Aircraft instrument for simultaneous, in situ measurement of NO3 and N2O5 via pulsed cavity ring-down spectroscopy

    William P. Dubé;Steven S. Brown;Hans D. Osthoff;Maya R. Nunley

  • Laboratory studies of products of N2O5 uptake on Cl− containing substrates

    James M. Roberts;Hans D. Osthoff;Hans D. Osthoff;Hans D. Osthoff;Steven S. Brown;A. R. Ravishankara;A. R. Ravishankara

  • Vertically resolved measurements of nighttime radical reservoirs in Los Angeles and their contribution to the urban radical budget.

    Cora J. Young;Cora J. Young;Rebecca A. Washenfelder;Rebecca A. Washenfelder;James M. Roberts;Levi H. Mielke

  • High resolution vertical distributions of NO 3 and N 2 O 5 through the nocturnal boundary layer

    S. S. Brown;W. P. Dubé;W. P. Dubé;H. D. Osthoff;H. D. Osthoff;D. E. Wolfe

  • Chlorine as a primary radical: evaluation of methods to understand its role in initiation of oxidative cycles

    C. J. Young;C. J. Young;C. J. Young;R. A. Washenfelder;R. A. Washenfelder;P. M. Edwards;P. M. Edwards;D. D. Parrish

  • Secondary formation of nitrated phenols: insights from observations during the Uintah Basin Winter Ozone Study (UBWOS) 2014

    Bin Yuan;Bin Yuan;John Liggio;Jeremy Wentzell;Shao-Meng Li

  • Measurements of Hydroxyl and Hydroperoxy Radicals during CalNex‐LA: Model Comparisons and Radical Budgets

    S. M. Griffith;S. M. Griffith;R. F. Hansen;R. F. Hansen;S. Dusanter;S. Dusanter;S. Dusanter;V. Michoud;V. Michoud;V. Michoud

  • Design and Application of a Pulsed Cavity Ring-Down Aerosol Extinction Spectrometer for Field Measurements

    Tahllee Baynard;Edward R. Lovejoy;Anders Pettersson;Steven S. Brown

  • Aircraft observations of daytime NO3 and N2O5 and their implications for tropospheric chemistry

    Steven S. Brown;Steven S. Brown;Hans D. Osthoff;Hans D. Osthoff;Harald Stark;Harald Stark;William P. Dubé;William P. Dubé

  • 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

  • Measurement of atmospheric NO2 by pulsed cavity ring-down spectroscopy

    Hans D. Osthoff;Hans D. Osthoff;Steven S. Brown;Steven S. Brown;Thomas B. Ryerson;Thomas B. Ryerson;Tara J. Fortin;Tara J. Fortin

  • Vertical profiles in NO3 and N2O5 measured from an aircraft: Results from the NOAA P-3 and surface platforms during the New England Air Quality Study 2004

    Steven S. Brown;William P. Dubé;William P. Dubé;Hans D. Osthoff;Hans D. Osthoff;Hans D. Osthoff;Jochen Stutz

  • Quantification of Nitryl Chloride at Part Per Trillion Mixing Ratios by Thermal Dissociation Cavity Ring-Down Spectroscopy

    Robert D Thaler;Levi H Mielke;Hans D Osthoff

  • Supporting Online Material for N2O5 Oxidizes Chloride to Cl2 in Acidic Atmospheric Aerosol

    James M. Roberts;Hans D. Osthoff;Steven S. Brown;A. R. Ravishankara

Frequent Co-Authors

Steven S. Brown
Steven S. Brown National Oceanic and Atmospheric Administration
Brian M. Lerner
Brian M. Lerner Aerodyne Research
A. R. Ravishankara
A. R. Ravishankara Colorado State University
Jessica B. Gilman
Jessica B. Gilman National Oceanic and Atmospheric Administration
Carsten Warneke
Carsten Warneke National Oceanic and Atmospheric Administration
Eric J. Williams
Eric J. Williams National Oceanic and Atmospheric Administration
Cora J. Young
Cora J. Young York University
William P. Dubé
William P. Dubé Cooperative Institute for Research in Environmental Sciences
Jochen Stutz
Jochen Stutz University of California, Los Angeles
Patrick R. Veres
Patrick R. Veres National Oceanic and Atmospheric Administration

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