American Association for Aerosol Research - Abstract Submission

AAAR 37th Annual Conference
October 14 - October 18, 2019
Oregon Convention Center
Portland, Oregon, USA

Abstracts by Timothy Onasch


Assessing the Accuracy and Reliability of Low-cost Particle Sensors for Quantifying Fine Particulate Matter. DAVID HAGAN, Eben Cross, Timothy Onasch, John Jayne, Douglas Worsnop, Jesse Kroll, MIT

Chemical Composition of Biomass Burning Particles Measured with a Soot Particle Aerosol Mass Spectrometer Downwind during the BBOP Study. TIMOTHY ONASCH, John Shilling, Arthur J. Sedlacek, Edward Fortner, Mikhail Pekour, Shan Zhou, Sonya Collier, Qi Zhang, Andrew Freedman, Leah Williams, Lawrence Kleinman, Aerodyne Research, Inc.

Chemically Distinct Emissions from Highly Controlled Pyrolysis of Three Wood Types. ANITA AVERY, Mariam Fawaz, Leah Williams, Tami Bond, Timothy Onasch, Aerodyne Research, Inc.

Combined Impacts of Acidity and Viscosity on the Formation of Inorganic-Organic Mixed Isoprene Epoxydiol (IEPOX)-Derived Aerosols. YUE ZHANG, Yuzhi Chen, Ziying Lei, Nicole Olson, Matthieu Riva, Abigail Koss, Zhenfa Zhang, Avram Gold, John Jayne, Douglas Worsnop, Timothy Onasch, Barbara Turpin, Jesse Kroll, Andrew Ault, Jason Surratt, University of North Carolina at Chapel Hill

Measurement of Aircraft Engine Soot Emissions using the ESCOM – the Engine Soot Compliance Monitor. ANDREW FREEDMAN, Zhenhong Yu, Richard Miake-Lye, Timothy Onasch, Aerodyne Research, Inc.

Measuring Humidification Effects on Aerosol Optical Properties with a Novel Humidity Controlled Albedometer: Instrument Validation and Soot Experiments. TYLER CAPEK, Jared Lam, Christian Carrico, Claudio Mazzoleni, Allison Aiken, Timothy Onasch, Andrew Freedman, Manvendra Dubey, Michigan Technological University

Predicting the Phase State of Secondary Organic Aerosol and Understanding its Influences on the Heterogeneous Ice Nucleation. YUE ZHANG, Martin Wolf, Shachi Katira, Jason Injae Jung, Abigail Koss, Peyton Spencer, Xiaoli Shen, Andrew Lee, Andrew Lambe, Wen Xu, Leonid Nichman, Yuzhi Chen, Manjula Canagaratna, Zhenfa Zhang, Avram Gold, John Jayne, Douglas Worsnop, Paul Davidovits, David Chandler, Timothy Onasch, Charles Kolb, Jesse Kroll, Jason Surratt, Daniel Cziczo, Univ. of North Carolina, Chapel Hill/Aerodyne Research, Inc.

Rapid Transformations of Biomass Burning Particulate Emissions in the Near Field. ARTHUR J. SEDLACEK, Timothy Onasch, Kouji Adachi, W. Patrick Arnott, Peter Buseck, Qi Zhang, John Shilling, Mikhail Pekour, Sonya Collier, Shan Zhou, Andrew Freedman, Lawrence Kleinman, Brookhaven National Lab

The Effects of Aerosol-Phase State and Chemical Composition on Multiphase Chemistry Leading to Isoprene-Derived Secondary Organic Aerosol Formation. YUE ZHANG, Yuzhi Chen, Andrew Lambe, Nicole Olson, Ziying Lei, Manjula Canagaratna, Jordan Krechmer, Rebecca Craig, Zhenfa Zhang, Avram Gold, John Jayne, Douglas Worsnop, Timothy Onasch, Cassandra Gaston, Joel A. Thornton, William Vizuete, Andrew Ault, Jason Surratt, Univ. of North Carolina, Chapel Hill/Aerodyne Research, Inc.

Where’s the Mass: Why Might Field and Laboratory Studies on Aging of Biomass Burning Aerosols Disagree on Mass Enhancements?. ANNA HODSHIRE, Ali Akherati, Matthew Alvarado, Benjamin Brown-Steiner, Shantanu Jathar, Jose-Luis Jimenez, Sonia Kreidenweis, Chantelle Lonsdale, Timothy Onasch, Amber Ortega, Jeffrey R. Pierce, Colorado State University