World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
37
Citations
5146
World Ranking
8920
National Ranking
3199

Lowry A. Harper 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 Lowry A. Harper 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: 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 publications 690+

This scientist: 73 publications — 3rd percentile

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

The last bar groups every scientist with 690 publications or more.

Lowry A. Harper 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 Lowry A. Harper 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: 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: 37 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Lowry A. Harper is affiliated with the Agricultural Research Service in the United States. Their research primarily focuses on environmental science and chemical engineering, with specialized work in subfields such as process chemistry and technology, environmental engineering, pollution, health, toxicology and mutagenesis, and atmospheric science.

Harper's scholarly output includes multiple recent papers published in peer-reviewed journals. Key recent publications are:

  • Ammonia emissions and dispersion from broiler production (2021), Journal of Environmental Quality
  • Estimation of gas emissions from a waste pond using micrometeorological approaches: Footprint sensitivities and complications (2023), Atmospheric Environment X
  • The effect of biogas ebullition on ammonia emissions from animal manure-processing lagoons (2022), Journal of Environmental Quality
  • Changes in swine ammonia emissions associated with improved production management (2022), Journal of Environmental Quality
  • Estimation of Gas Emissions from a Waste Pond Using Micrometeorological Approaches: Footprint Sensitivities and Complications (2023), SSRN Electronic Journal

Harper frequently collaborates with other researchers including Thomas K. Flesch, Trevor Coates, Peter J. Carlson, Kim H. Weaver, and Casey W. Ritz. These collaborations suggest a multidisciplinary approach to the study of environmental emissions and air quality.

Major publication venues that feature Harper's work are:

  • Journal of Environmental Quality
  • Atmospheric Environment X
  • SSRN Electronic Journal

The main fields of study for this researcher are:

  • Environmental Science
  • Chemical Engineering

Subfields explored in Harper's work include:

  • Process Chemistry and Technology
  • Environmental Engineering
  • Pollution
  • Health, Toxicology and Mutagenesis
  • Atmospheric Science

Harper's research topics span several areas related to environmental emissions and treatment processes:

  • Odor and Emission Control Technologies
  • Wastewater Treatment and Nitrogen Removal
  • Air Quality and Health Impacts
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Groundwater flow and contamination studies
  • Remote Sensing and LiDAR Applications

Best Publications

  • Deducing Ground-to-Air Emissions from Observed Trace Gas Concentrations: A Field Trial

    T. K. Flesch;J. D. Wilson;L. A. Harper;B. P. Crenna

  • Nitrogen cycling in a wheat crop: soil, plant, and aerial nitrogen transport

    L. A. Harper;R. R. Sharpe;G. W. Langdale;J. E. Giddens

  • Estimating gas emissions from a farm with an inverse-dispersion technique

    Thomas K. Flesch;John D. Wilson;Lowry A. Harper;Brian P. Crenna

  • Direct measurements of methane emissions from grazing and feedlot cattle.

    L A Harper;O T Denmead;J R Freney;F M Byers

  • Determining ammonia emissions from a cattle feedlot with an inverse dispersion technique

    T.K. Flesch;J.D. Wilson;L.A. Harper;R.W. Todd

  • Agricultural Ecosystem Effects on Trace Gases and Global Climate Change

    Unknown

  • Gaseous Nitrogen Emissions from Anaerobic Swine Lagoons: Ammonia, Nitrous Oxide, and Dinitrogen Gas

    Lowry A. Harper;Ron R. Sharpe;Tim B. Parkin

  • Contributions of agroecosystems to global climate change

    John M. Duxbury;Lowry A. Harper;A. R. Mosier

  • Ammonia Volatilization from Spring Wheat Plants

    W. J. Parton;J. A. Morgan;J. M. Altenhofen;L. A. Harper

  • Ammonia emissions from a beef cattle feedyard on the southern High Plains

    Richard W. Todd;N. Andy Cole;R. Nolan Clark;Thomas K. Flesch

  • Micrometeorological techniques for measurement of enteric greenhouse gas emissions

    L.A. Harper;O.T. Denmead;T.K. Flesch

  • Ammonia volatilization from surface-applied poultry litter under conservation tillage management practices.

    R. R. Sharpe;H. H. Schomberg;L. A. Harper;D. M. Endale

  • Ammonia emissions from dairy production in Wisconsin.

    L.A. Harper;T.K. Flesch;J.M. Powell;W.K. Coblentz

  • Inverse-Dispersion Calculation of Ammonia Emissions from Wisconsin Dairy Farms

    T. K. Flesch;L. A. Harper;J. M. Powell;J. D. Wilson

  • A mass balance method for non-intrusive measurements of surface-air trace gas exchange

    O.T. Denmead;L.A. Harper;J.R. Freney;D.W.T. Griffith

  • An approach for measuring methane emissions from whole farms.

    S. M. McGinn;T. K. Flesch;L. A. Harper;K. A. Beauchemin

  • Ammonia and Nitrous Oxide Emissions from Sprinkler Irrigation Applications of Swine Effluent

    R. R. Sharpe;L. A. Harper

  • Deducing Ground-to-Air Emissions from Observed Trace Gas Concentrations: A Field Trial with Wind Disturbance

    T. K. Flesch;J. D. Wilson;L. A. Harper

  • Micro-meteorological methods for estimating surface exchange with a disturbed windflow

    John D. Wilson;Thomas K. Flesch;Lowry A. Harper

  • Nitrogen cycling through swine production systems: ammonia, dinitrogen, and nitrous oxide emissions.

    Lowry A. Harper;Ron R. Sharpe;Tim B. Parkin;Alex De Visscher

  • Nitrogen Dynamics in Irrigated Corn: Soil-Plant Nitrogen and Atmospheric Ammonia Transport

    Lowry A. Harper;Ronald R. Sharpe

Frequent Co-Authors

John D. Wilson
John D. Wilson University of Alberta
O. T. Denmead
O. T. Denmead Commonwealth Scientific and Industrial Research Organisation
Ray Leuning
Ray Leuning CSIRO Marine and Atmospheric Research
David W. T. Griffith
David W. T. Griffith University of Wollongong
Timothy B. Parkin
Timothy B. Parkin Agricultural Research Service
Raymond L. Desjardins
Raymond L. Desjardins Agriculture and Agriculture-Food Canada
Alan J. Franzluebbers
Alan J. Franzluebbers Agricultural Research Service
J. M. Powell
J. M. Powell Agricultural Research Service
Sean M. McGinn
Sean M. McGinn Agriculture and Agriculture-Food Canada
Karen A. Beauchemin
Karen A. Beauchemin Agriculture and Agriculture-Food Canada

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