Select Publications

Schwarz, J. P., B. Weinzierl, B. H. Samset, M. Dollner, K. Heimerl, M. Z. Markovic, A. E. Perring, and L. Ziemba (2017), Aircraft measurements of black carbon vertical profiles show upper tropospheric variability and stability, Geophys. Res. Lett., 44, doi:10.1002/ 2016GL071241.
Perring, A. E., J. P. Schwarz, M. Z. Markovic, D. W. Fahey, J. L., Jimenez, P. Campuzano-Jost, B. D. Palm, A. Wisthaler, T. Mikoviny, G. Diskin, G. Sachse, L. Ziemba, B. Anderson, T. Shingler, E. Crosbie, A. Sorooshian, R. Yokelson, and R.-S. Gao (2016), In-situ measurements of water uptake by black carbon -containing aerosol in wildfire plumes, J. Geophys. Res. Atmos., 121, doi:10.1002/2016JD025688.

Samset, B. H., Myhre, G., Herber, A., Kondo, Y., Li, S.-M., Moteki, N., Koike, M., Oshima, N., Schwarz, J. P., Balkanski, Y., Bauer, S. E., Bellouin, N., Berntsen, T. K., Bian, H., Chin, M., Diehl, T., Easter, R. C., Ghan, S. J., Iversen, T., Kirkevåg, A., Lamarque, J.-F., Lin, G., Liu, X., Penner, J. E., Schulz, M., Seland, Ø., Skeie, R. B., Stier, P., Takemura, T., Tsigaridis, K., and Zhang, K.: Modelled black carbon radiative forcing and atmospheric lifetime in AeroCom Phase II constrained by aircraft observations, Atmos. Chem. Phys., 14, 12465-12477, doi:10.5194/acp-14-12465-2014, 2014.
Perring, A. E, Schwarz, J. P., Baumgardner, D., Hernandez, M. T., Spracklen, D. V., Heald, C. L., Gao, R. S., Kok, G., McMeeking, G. R., McQuaid, J. B., and Fahey, D. W, Airborne observations of regional variation in fluorescent aerosol across the United States, J. Geophys. Res. Atmos., 120, doi:10.1002/2014JD022495 (2015).

Schwarz, J. P., Perring, A. E., Markovic, M. Z., Gao, R. S., Ohata, S. Langridge, J., Law, D., McLaughlin, R., and Fahey, D. W., Technique and theoretical approach for quantifying the hygroscopicity of black-carbon-containing aerosol using a single particle soot photometer, J. Aeros. Sci., 81, 110- 126, (2015).
Schwarz, J. P.; Holloway, J.; Katich, J.; McKeen, S.; Kort, E.; Smith, M.; Ryerson, T.; Sweeney, C.; Peischl, J.,, Black Carbon Emissions from the Bakken Oil and Gas Development Region, ES&T-L, 2(10), 281-285, doi:10.1021/acs.estlett.5b00225, 2015.

Molina, L.T., L. Gallardo, M. Andrade, D. Baumgardner, M. Borbor-Cordova, R. Borquez, G. Casassa, F. Cereceda-Balic, L. Dawidowski, R. Garreaud, N. Huneeus, F. Lambert, J.L. McCarty, J. Mc Phee, M. Mena-Carrasco, G.B. Raga, C. Schmitt, and J.P. Schwarz, Pollution and its impacts on the South American cryosphere, Earth's Future, 3(12), 345-369, doi:10.1002/2015EF000311, 2015.

J. P. Schwarz, Gao, R.S., Perring, A.E., Spackman, J.R. & Fahey, D.W. Black carbon aerosol size in snow. Sci. Rep. 3, 1356; DOI:10.1038/srep01356 (2013).

J. P. Schwarz, Doherty, S. J., Li, F., Ruggiero, S. T., Tanner, C. E., Perring, A. E., Gao, R. S., and Fahey, D. W.: Assessing recent measurement techniques for quantifying black carbon concentration in snow, Atmos. Meas. Tech., 5, 2581-2592, doi:10.5194/amt-5-2581-2012, 2012.

J. P. Schwarz, J. R. Spackman, R. S. Gao, L. A. Watts, P. Stier, M. Schulz, S. M. Davis, S. C. Wofsy, and D. W. Fahey, Global-scale black carbon profiles observed in the remote atmosphere and compared to models, Geophys. Res. Lett., 37, L18812, doi:10.1029/2010GL044372, 2010.
J. P. Schwarz, J. R. Spackman, R. S. Gao, A. E. Perring, E. Cross, T. B. Onasch, A. Ahern, W. Wrobel, P. Davidovits, J. Olfert, M. K. Dubey, C. Mazzoleni, and D. W. Fahey, The detection efficiency of the single particle soot photometer, Aeros. Sci. Technol., 44:612-628, doi: 10.1080/02786826.2010.481298, 2010.

J. P. Schwarz,  H. Stark, J. R. Spackman, T. B. Ryerson, J. Peischl, W. H. Swartz, R. S. Gao, L. A. Watts, and D. W. Fahey (2009), Heating rates and surface dimming due to black carbon aerosol absorption associated with a major U.S. city, Geophys. Res. Lett., 36, L15807, doi:10.1029/2009GL039213.

J. P. Schwarz, R. S. Gao, J. R. Spackman, L. A. Watts, D. S. Thomson,  D. W. Fahey, T. Ryerson, J. Peischel, J. Holloway, M. Trainer, G. Frost, T. Baynard, J. A. deGouw, K. Croon, Laurie Del Negro, Measurement of the mixing state, mass, and optical size of individual black carbon particles in urban and biomass burning emissions, Geophys. Res. Lett., doi:10.1029/2008GL033968, 2008.

J. P. Schwarz, J. R. Spackman, D. W. Fahey, R. S. Gao, U. Lohmann, P. Stier, L. A. Watts, D. S. Thomson, D. A. Lack, L. Pfister, M. J. Mahoney, D. Baumgardner, J. C. Wilson, J. M. Reeves, Coatings and their enhancement of black-carbon light absorption in the tropical atmosphere, J. Geophys. Res., doi:10.1029/2007JD009042, 2008.

J. P. Schwarz, R. S. Gao, D. W. Fahey, D. S. Thomson, L. A. Watts, J. C. Wilson, J. M. Reeves, M. Darbeheshti, D. G. Baumgardner, G. L. Kok, S. H. Chung, M. Schulz, J. Hendricks, A. Lauer, B. Kärcher, J. G. Slowik, K. H. Rosenlof, T. L. Thompson, A. O. Langford, M. Loewenstein, and K. C. Aikin, Single-Particle measurements of midlatitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere, J. Geophys. Res., 110, D16207, 2006.

J. P. Schwarz, R. Liu, E. B. Newell, R. L. Steiner, E. R. Williams, D. Smith, Hysteresis and related error mechanisms in the NIST watt balance experiment, J. Res. Natl. Inst. Stand. Technol., 106, 627-640, 2001.

J. P. Schwarz, D. S. Robertson, T. M. Niebauer, and J. E. Faller, A free fall determination of the Newtonian constant of gravity, Science, 282, 2230-2234, 1998.