John J. Classen

North Carolina State University — United States

Environmental Science · Physical Sciences

17h-index1.3kcitations89works0.92yr avg
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Research Topics

Wastewater Treatment and Nitrogen Removal(15), Phosphorus and nutrient management(14), Odor and Emission Control Technologies(13), Constructed Wetlands for Wastewater Treatment(11), Air Quality and Health Impacts(7)

Publications89 total

Formation of Secondary Inorganic PM2.5 as Impacted by Ammonia Concentrations near an Animal Feeding Operation
Atmosphere·2026Open Access
Wicked Problems: Graduate Students’ Experiences in A Convergent Research Environment
Research in Science Education·2025· 1 citedOpen Access
Impacts of Air Velocity Treatments Under Summer Conditions: Part III—Litter Characteristics, Ammonia Emissions, and Leg Health of Heavy Broilers
Animals·2024· 1 citedOpen Access
Systems Thinking Tools In a Graduate Biological Engineering Class - A Work In Progress
2021 ASEE Virtual Annual Conference Content Access Proceedings·2024Open Access
Developing Cohort Challenges: An Innovative Program for Training Graduate Students to Work in Transdisciplinary Teams
2024· 1 citedOpen Access
Competencies for Graduate Student Training in Transdisciplinary FEWS Research
2024· 2 citedOpen Access
Pathways to sustainable transitions in a complex agricultural system: a case study of swine waste management in North Carolina
Frontiers in Sustainable Food Systems·2024· 1 citedOpen Access
Perspective: Expanding Transdisciplinary Collaborative Research to Graduate Education
Journal of the ASABE·2024· 1 citedOpen Access
A methodology for using a multilevel perspective framework to analyze complex systems
Methodological Innovations·2023· 10 citedOpen Access
Phosphorus sustainability through coordinated stakeholder engagement: a perspective
Environment Systems & Decisions·2023· 8 citedOpen Access
Performance of a Thermodynamic Model for Predicting Inorganic Aerosols in the Southeastern U.S.
Atmosphere·2022· 11 citedOpen Access
Impacts of utilizing swine lagoon sludge as a composting ingredient
Journal of Environmental Management·2022· 5 cited
Impacts of Air Velocity Treatments under Summer Conditions: Part II—Heavy Broiler’s Behavioral Response
Animals·2022· 9 citedOpen Access
Impacts of Air Velocity Treatments under Summer Condition: Part I—Heavy Broiler’s Surface Temperature Response
Animals·2022· 9 citedOpen Access
Impacts of Utilizing Swine Lagoon Sludge as a Composting Ingredient
SSRN Electronic Journal·2022· 2 citedOpen Access
Means, motive, and opportunity
Elementa Science of the Anthropocene·2022· 5 citedOpen Access
Addressing Nutrient Imbalances in Animal Agriculture Systems
Journal of the ASABE·2022· 14 cited
Partitioning of NH3-NH4+ in the Southeastern U.S.
Atmosphere·2021· 4 citedOpen Access
Socio-Economic and Governance Conditions Corresponding to Change in Animal Agriculture: South Dakota Case Study
Sustainability·2021· 3 citedOpen Access
Flood Vulnerability Assessment of Eastern North Carolina Industrial Swine Operations Using GIS Methodologies
2021 ASABE Annual International Virtual Meeting, July 12-16, 2021·2021
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Frequent Co-authors

Jason A. Osborne(10), Praveen Kolar(10), Jay J. Cheng(8), Lingjuan Wang-Li(8), Bin Cheng(6), Sarah K. Liehr(5), Lalitendu Das(5), Alison Deviney(5), Ben A. Bergmann(4), Ratna R. Sharma-Shivappa(4), Peter Bloomfield(4), P. W. Westerman(3), Wayne P. Robarge(3), Sumate Chaiprapat(3), Jacek A. Koziel(3), Mahmoud Sharara(3), N. Meskhidze(3), Erin L. Cortus(3), A. M. Stomp(2), J. Arogo(2)