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Environmental Sciences

D-Index
37
Citations
5146
World Ranking
8918
National Ranking
3199

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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