World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
6704
World Ranking
6491
National Ranking
2325

Roger D. Ottmar 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 Roger D. Ottmar 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: 132 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Roger D. Ottmar 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 Roger D. Ottmar 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: 45 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Roger D. Ottmar is affiliated with the US Forest Service in the United States, focusing primarily on research in Environmental Science. Their work spans several subfields including Global and Planetary Change, Environmental Engineering, Atmospheric Science, Health, Toxicology and Mutagenesis, and Ecology.

The research topics covered by Ottmar feature a concentration on fire effects on ecosystems, with additional emphasis on remote sensing and LiDAR applications, atmospheric chemistry and aerosols, air quality and health impacts, rangeland and wildlife management, forest ecology and management, and plant water relations and carbon dynamics.

Ottmar has contributed to publications in various scientific journals, most frequently in the International Journal of Wildland Fire. Other notable venues include the Journal of Geophysical Research Atmospheres, Atmospheric Environment, Forest Science, and Fire Ecology.

  • Fire effects on ecosystems
  • Remote Sensing and LiDAR Applications
  • Atmospheric chemistry and aerosols
  • Air Quality and Health Impacts
  • Rangeland and Wildlife Management
  • Forest ecology and management
  • Plant Water Relations and Carbon Dynamics

  • International Journal of Wildland Fire
  • Journal of Geophysical Research Atmospheres
  • Atmospheric Environment
  • Forest Science
  • Fire Ecology

  • Global and Planetary Change
  • Environmental Engineering
  • Atmospheric Science
  • Health, Toxicology and Mutagenesis
  • Ecology

Recent published papers by Ottmar include:

  • "Emissions of Reactive Nitrogen From Western U.S. Wildfires During Summer 2018" (2020), Journal of Geophysical Research Atmospheres
  • "Wildland fire emission sampling at Fishlake National Forest, Utah using an unmanned aircraft system" (2021), Atmospheric Environment
  • "Towards Spatially Explicit Quantification of Pre- and Postfire Fuels and Fuel Consumption from Traditional and Point Cloud Measurements" (2020), Forest Science
  • "Multitemporal lidar captures heterogeneity in fuel loads and consumption on the Kaibab Plateau" (2022), Fire Ecology
  • "Bacterial Emission Factors: A Foundation for the Terrestrial-Atmospheric Modeling of Bacteria Aerosolized by Wildland Fires" (2024), Environmental Science & Technology

Frequent coauthors collaborating with Ottmar include Andrew T. Hudak, Joseph C. Restaino, T. Ryan McCarley, Adam C. Watts, and Benjamin C. Bright.

Best Publications

  • Recent acceleration of biomass burning and carbon losses in Alaskan forests and peatlands

    Merritt R. Turetsky;Evan S. Kane;Jennifer W. Harden;Roger D. Ottmar

  • An overview of the Fuel Characteristic Classification System — Quantifying, classifying, and creating fuelbeds for resource planningThis article is one of a selection of papers published in the Special Forum on the Fuel Characteristic Classification System.

    Roger D. OttmarR.D. Ottmar;Roger D. OttmarR.D. Ottmar;David V. SandbergD.V. Sandberg;David V. SandbergD.V. Sandberg;Cynthia L. RiccardiC.L. Riccardi;Cynthia L. RiccardiC.L. Riccardi;Susan J. PrichardS.J. Prichard;Susan J. PrichardS.J. Prichard

  • Review of the health effects of wildland fire smoke on wildland firefighters and the public

    Olorunfemi Adetona;Timothy E. Reinhardt;Joe Domitrovich;George Broyles

  • Characterizing fuels in the 21st century.

    David V. Sandberg;Roger D. Ottmar;Geoffrey H. Cushon

  • Recent changes (1930s–1990s) in spatial patterns of interior northwest forests, USA

    P.F. Hessburg;B.G. Smith;R.B. Salter;R.D. Ottmar

  • Baseline measurements of smoke exposure among wildland firefighters.

    Timothy E. Reinhardt;Roger D. Ottmar

  • Evaluation of the composite burn index for assessing fire severity in Alaskan black spruce forests

    Eric S. Kasischke;Merritt R. Turetsky;Merritt R. Turetsky;Roger D. Ottmar;Nancy H. F. French

  • Wildland fire emissions, carbon, and climate: Modeling fuel consumption

    Roger D. Ottmar

  • Wildland firefighter smoke exposure and risk of lung cancer and cardiovascular disease mortality.

    Kathleen M. Navarro;Michael T. Kleinman;Chris E. Mackay;Timothy E. Reinhardt

  • Model comparisons for estimating carbon emissions from North American wildland fire

    Nancy H.F. French;William J. De Groot;Liza K. Jenkins;Brendan M. Rogers

  • Forest health in the Blue Mountains: a management strategy for fire-adapted ecosystems.

    Robert W. Mutch;Stephen F. Arno;James K. Brown;Clinton E. Carlson

  • Site preparation burning to improve southern Appalachian pine-hardwood stands: fire characteristics and soil erosion, moisture, and temperature

    Lloyd W. Swift;Katherine J. Elliott;Roger D. Ottmar;Robert E. Vihnanek

  • Overstory tree mortality resulting from reintroducing fire to long-unburned longleaf pine forests: the importance of duff moisture

    J.M. Varner;J.K. Hiers;R.D. Ottmar;D.R. Gordon

  • Measurements of convective and radiative heating in wildland fires

    David Frankman;Brent W. Webb;Bret W. Butler;Daniel Jimenez

  • Simulation of a biomass-burning plume: Comparison of model results with observations

    J. Trentmann;M. O. Andreae;Hans F. Graf;P. V. Hobbs

  • Chemistry of burning the forest floor during the FROSTFIRE experimental burn, interior Alaska, 1999

    J. W. Harden;J. C. Neff;J. C. Neff;D. V. Sandberg;M. R. Turetsky

  • Fire behavior in masticated fuels: A review

    Jesse K. Kreye;Nolan W. Brewer;Nolan W. Brewer;Penelope Morgan;J. Morgan Varner

  • High-resolution infrared thermography for capturing wildland fire behaviour: RxCADRE 2012

    Joseph J. O’Brien;E. Louise Loudermilk;Benjamin Hornsby;Andrew T. Hudak

  • Emissions of reactive nitrogen from western U.S. wildfires during summer 2018

    Jakob Lindaas;Ilana B. Pollack;Lauren A. Garofalo;Matson A. Pothier

  • Timber harvesting residue treatment: Part 1. Responses of conifer seedlings, soils and microclimate

    D Zabowski;B Java;G Scherer;R.L Everett

  • The fuelbed: a key element of the Fuel Characteristic Classification System.

    Cynthia L. RiccardiC.L. Riccardi;Roger D. OttmarR.D. Ottmar;David V. SandbergD.V. Sandberg;Anne AndreuA. Andreu

Frequent Co-Authors

Susan J. Prichard
Susan J. Prichard University of Washington
Andrew T. Hudak
Andrew T. Hudak US Forest Service
Nancy H. F. French
Nancy H. F. French Michigan Technological University
Alistair M. S. Smith
Alistair M. S. Smith University of Idaho
Joseph J. O'Brien
Joseph J. O'Brien US Forest Service
Merritt R. Turetsky
Merritt R. Turetsky University of Colorado Boulder
Eric S. Kasischke
Eric S. Kasischke University of Maryland, College Park
Ana Isabel Miranda
Ana Isabel Miranda University of Aveiro
Shawn Urbanski
Shawn Urbanski US Forest Service
Teresa L. Campos
Teresa L. Campos National Center for Atmospheric Research

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