Publications

2022

Wang, Yuhan, Lucas A.J. Bastien, Ling Jin, and Robert A. Harley."Responses of Photochemical Air Pollution in California’s San Joaquin Valley to Spatially and Temporally Resolved Changes in Precursor Emissions."Environmental Science & Technology 56.11 (2022) 7074 - 7082. DOI

2019

Preble, Chelsea V., Robert A. Harley, and Thomas W. Kirchstetter."Control Technology-Driven Changes to In-Use Heavy-Duty Diesel Truck Emissions of Nitrogenous Species and Related Environmental Impacts."Environmental Science & Technology (2019). DOI

2018

Preble, Chelsea V., Troy Cados, Robert A. Harley, and Thomas W. Kirchstetter."In-Use Performance and Durability of Particle Filters on Heavy-Duty Diesel Trucks."Environmental Science Technology 52.20 (2018) 11913-11921. DOI

2015

Preble, Chelsea V., Timothy R. Dallmann, Nathan M. Kreisberg, Susanne V. Hering, Robert A. Harley, and Thomas W. Kirchstetter."Effects of Particle Filters and Selective Catalytic Reduction on Heavy-Duty Diesel Drayage Truck Emissions at the Port of Oakland."Environmental Science & Technology 49.14 (2015) 8864 - 8871. DOI

2014

Dallmann, Timothy R., Timothy B. Onasch, Thomas W. Kirchstetter, David R. Worton, Edward C. Fortner, Scott C. Herndon, Ezra C. Wood, Jonathan P. Franklin, Douglas R. Worsnop, Allen H. Goldstein, and Robert A. Harley."Characterization of particulate matter emissions from on-road gasoline and diesel vehicles using a soot particle aerosol mass spectrometer."Atmospheric Chemistry and Physics Discussions 14.3 (2014) 4007 - 4049. DOI

2013

Dallmann, Timothy R., Thomas W. Kirchstetter, Steven J. DeMartini, and Robert A. Harley."Quantifying On-Road Emissions from Gasoline-Powered Motor Vehicles: Accounting for the Presence of Medium- and Heavy-Duty Diesel Trucks."Environmental Science & Technology 47.23 (2013) 13873 - 13881. DOI
Chan, Arthur W. H., Gabriel Isaacman, Kevin R. Wilson, David R. Worton, Christopher R Ruehl, Theodora Nah, Drew R. Gentner, Timothy R. Dallmann, Thomas W. Kirchstetter, Robert A. Harley, Jessica B. Gilman, William C. Kuster, Joost A de Gouw, John H. Offenberg, Tadeusz E. Kleindienst, Ying H. Lin, Caitlin L. Rubitschun, Jason D Surratt, Patrick L. Hayes, Jose L Jimenez, and Allen H. Goldstein."Detailed chemical characterization of unresolved complex mixtures in atmospheric organics: Insights into emission sources, atmospheric processing, and secondary organic aerosol formation."Journal of Geophysical Research Atmospheres (2013). DOI

2009

Strawa, Anthony W., Thomas W. Kirchstetter, Anna G. Hallar, George A. Ban-Weiss, John P. McLaughlin, Robert A. Harley, and Melissa M. Lunden."Optical and Physical Properties from Primary On-Road Vehicle Particle Emissions and Their Implications for Climate Change."Journal of Aerosol Science 41.1 (2009) 36-50. DOI
Ban-Weiss, George A., Melissa M. Lunden, Thomas W. Kirchstetter, and Robert A. Harley."Measurement of Black Carbon and Particle Number Emission Factors from Individual Heavy-Duty Trucks."Environmental Science and Technology 43.5 (2009) 1419-1424. DOI
Ban-Weiss, George A., Melissa M. Lunden, Thomas W. Kirchstetter, and Robert A. Harley."Size-Resolved Particle Number and Volume Emission Factors for On-Road Gasoline and Diesel Motor Vehicles."Journal of Aerosol Science (2009).

2008

Kean, Andrew J., David Littlejohn, George A. Ban-Weiss, Robert A. Harley, Thomas W. Kirchstetter, and Melissa M. Lunden."Trends in On-Road Vehicle Emissions of Ammonia."Atmospheric Environment 43.8 (2008) 1565-1570. DOI
Tonse, Shaheen R., Nancy J. Brown, Ling Jin, and Robert A. Harley."A Process-Analysis Based Study of the Ozone Weekend Effect."Atmospheric Environment 42.33 (2008) 7728-7736. DOI
Jin, Ling, Shaheen R. Tonse, Daniel S. Cohan, Xianglei Mao, Robert A. Harley, and Nancy J. Brown."Sensitivity Analysis of Ozone Formation and Transport for a Central California Air Pollution Episode."Environmental Science & Technology 42.10 (2008) 3683-3689. DOI

2001

Vuilleumier, Laurent, Jeffrey T. Bamer, Robert A. Harley, and Nancy J. Brown."Evaluation of nitrogen dioxide photolysis rates in an urban area using data from the 1997 Southern California Ozone Study."Atmospheric Environment 35.36 (2001) 6525 - 6537. DOI

1999

Singer, Brett C., Thomas W. Kirchstetter, Robert A. Harley, Gary R. Kendall, and James M. Hesson."A fuel-based approach to estimating motor vehicle cold start emissions."Journal of the Air & Waste Management Association 49.2 (1999) 125-135. DOI
Kirchstetter, Thomas W., Brett C. Singer, Robert A. Harley, Gary R. Kendall, and Michael Traverse."Impact of California reformulated gasoline on motor vehicle emissions: 1. Mass emission rates."Environmental Science & Technology 33.2 (1999) 318-328. DOI
Kirchstetter, Thomas W., Brett C. Singer, Robert A. Harley, Gary R. Kendall, and James M. Hesson."Impact of California reformulated gasoline on motor vehicle emissions: 2. VOC speciation and reactivity."Environmental Science & Technology 33.2 (1999) 329-336. DOI

1998

Singer, Brett C., Robert A. Harley, David Littlejohn, Jerry Ho, and Thu Vo."Scaling of infrared remote sensor measurements for motor vehicle emission inventory calculations."Environmental Science &Technology 32.21 (1998) 3241-3248. DOI

1997

Singer, Brett C., and Robert A. Harley."A fuel-based inventory of motor vehicle exhaust emissions in the Los Angeles area during Summer 1997."Atmospheric Environment 34.11 (1997) 1783-1795. DOI
Black, Douglas R., Brett C. Singer, Robert A. Harley, Philip T. Martien, and Amir K. Fanai."A fuel-based motor vehicle emission inventory for the San Francisco Bay Area."90th Annual Meeting of the Journal of the Air & Waste Management Association (1997).

1996

Singer, Brett C., and Robert A. Harley."A fuel-based motor vehicle emission inventory."Journal of the Air & Waste Management Association 46.6 (1996) 581-593. DOI
Kirchstetter, Thomas W., Brett C. Singer, Robert A. Harley, Gary R. Kendall, and Waymond Chan."Impact of oxygenated gasoline use on California light-duty vehicle emissions."Environmental Science & Technology 30.2 (1996) 661-670. DOI