Permar, W., Q. Wang, V. Selimovic, C. Wielgasz, R. J. Yokelson, R. S. Hornbrook, A. J. Hills, E. C. Apel, I-T. Ku , Y. Zhou, B. C. Sive, A. P. Sullivan, J. L. Collett Jr, T. L. Campos, B. B. Palm, Q. Peng, J. A. Thornton, L. A. Garofalo, D. K. Farmer, S. M. Kreidenweis, E. J. T. Levin, P. J. DeMott, F. Flocke, E. V. Fischer, and L. Hu, Emissions of trace organic gases from western U.S. wildfires based on WE- CAN aircraft measurements, J. Geophys. Res. – Atmos, submitted. [Supplement1][Supplement2]

Angot, H., K. McErlean, L. Hu, D.B. Millet, J. Hueber, K. Cui, J. Moss, C. Wielgasz, T. Milligan, D. Ketcherside, M.S. Bret-Harte, and D. Helmig, Biogenic volatile organic compound ambient mixing ratios and emission rates in the Alaskan Arctic tundra, Biogeosciences Discuss.,, in review, 2020.

Calahorrano, J., incl. Permar, W., Hu, L., et al., Daytime Oxidized Reactive Nitrogen Partitioning in Western U.S. Wildfire Smoke Plumes, J. Geophys. Res. – Atmos, in review.

Lindaas, J., Pollack, I. B. Garofalo, L. A., Pothier, M. A., Farmer, D. K., Kreidenweis, S. M., Campos, T., Flocke, F., Weinheimer, A. J., Montzka, D. D., Tyndall, G. S., Palm, B. P., Peng, Q., Thornton, J. A., Permar, W., Wielgasz, C., Hu, L., Ottmar, R. D., Restaino, J. C., Hudak, A. T., Ku, I-T., Sullivan, A., Collett Jr., J. L., and Fischer, E. V., Emissions of reactive nitrogen from western wildfires during summer 2018, J. Geophys. Res. – Atmos, in review.

Lindaas, J., incl. Permar, W., Wielgasz, C., Hu, L., et al., Empirical insights into the fate of ammonia in western U.S. wildfire smoke plumes, J. Geophys. Res. – Atmos, in review.

Archibald, J. L Neu, Y. Elshorbany, O. R Cooper, P. J Young, H. Akiyoshi, R. T. Cox, M. Coyle, Richard Derwent, M. Deushi, A. Finco, G. J Frost, I. E Galbally, G. Gerosa, C. Granier, P. T Griffiths, R. Hossaini, L. Hu, P. Jöckel, B. Josse, M. Y Lin, M. Mertens, O. Morgenstern, M. Naja, V. Naik, S. J Oltmans, D. A Plummer, L. E Revell, A. Saiz-Lopez, P. Saxena, Y. M Shin, I. Shaahid, D. E Shallcross, S. Tilmes, T. J Wallington, T. Trickel, T. Wang, H. M Worden, G. Zeng.: Tropospheric Ozone Assessment Report: Critical review of changes in the tropospheric ozone burden and budget from 1960-2100, Elementa: Science of the Anthropocene, in press.

Palm, B., incl. Permar, H., and Hu, L., et al., Organic aerosol and brown carbon evolution in fresh wildfire plumes: roles of dilution-driven evaporation and phenolic chemistry, in press.

Zhu, L., González Abad, G., Nowlan, C. R., Chan Miller, C., Chance, K., Apel, E. C., DiGangi, J. P., Fried, A., Hanisco, T. F., Hornbrook, R. S., Hu, L., Kaiser, J., Keutsch, F. N., Permar, W., St. Clair, J. M., and Wolfe, G. M.: Validation of satellite formaldehyde (HCHO) retrievals using observations from 12 aircraft campaigns, Atmos. Chem. Phys., 20, 12329–12345,, 2020.

O'Dell, K., R. S. Hornbrook, W. Permar, E. J. T. Levin, L. Garofalo, E. Apel, N. Blake, A. Jarnot, M. A. Pothier, D. K. Farmer, L. Hu, T. Campos, B. Ford, J. R. Pierce, and E. Fischer (2020), Hazardous Air Pollutants in Fresh and Aged Western US Wildfire Smoke and Implications for Long-Term Exposure, Environ. Sci. Technol., doi:10.1021/acs.est.0c04497.

Lu, X., Zhang, L., Wu, T., Long, M. S., Wang, J., Jacob, D. J., Zhang, F., Zhang, J., Eastham, S. D., Hu, L., Zhu, L., Liu, X., and Wei, M.: Development of the global atmospheric chemistry general circulation model BCC-GEOS-Chem v1.0: model description and evaluation, Geosci. Model Dev., 13, 3817–3838,, 2020

Liu, J., Rodriguez, J. M., Oman, L. D., Douglass, A. R., Olsen, M. A., and Hu, L.: Stratospheric impact on the Northern Hemisphere winter and spring ozone interannual variability in the troposphere, Atmos. Chem. Phys., 20, 6417–6433,, 2020.

Peng, Q., B. B. Palm, K. E. Melander, B. H. Lee, S. R. Hall, K. Ullmann, T. Campos, A. J. Weinheimer, E. C. Apel, R. S. Hornbrook, A. J. Hills, D. D. Montzka, F. Flocke, L. Hu, W. Permar, C. Wielgasz, J. Lindaas, I. B. Pollack, E. V. Fischer, T. H. Bertram, and J. A. Thornton (2020), HONO Emissions from Western U.S. Wildfires Provide Dominant Radical Source in Fresh Wildfire Smoke, Environ. Sci. Technol., 54(10), 5954-5963, doi:10.1021/acs.est.0c00126.

Chong, H., S. Lee, J. Kim, U. Jeong, C. Li, N. A. Krotkov, C. R. Nowlan, J. A. Al-Saadi, S. J. Janz, M. G. Kowalewski, M.-H. Ahn, M. Kang, J. Joiner, D. P. Haffner, L. Hu, P. Castellanos, L. G. Huey, M. Choi, C. H. Song, K. M. Han, and J.-H. Koo (2020), High-resolution mapping of SO2 using airborne observations from the GeoTASO instrument during the KORUS-AQ field study: PCA-based vertical column retrievals, Remote Sensing of Environment, 241, 111725, doi:


Pollack, I. B., Lindaas, J., Roscioli, J. R., Agnese, M., Permar, W., Hu, L., and Fischer, E. V.: Evaluation of ambient ammonia measurements from a research aircraft using a closed-path QC-TILDAS operated with active continuous passivation, Atmos. Meas. Tech., 12, 3717-3742,, 2019.

Yan, Y., Cabrera-Perez, D., Lin, J., Pozzer, A., Hu, L., Millet, D. B., Porter, W. C., and Lelieveld, J.: Global tropospheric effects of aromatic chemistry with the SAPRC-11 mechanism implemented in GEOS-Chem version 9-02, Geosci. Model Dev., 12, 111-130,, 2019.


Hu, L., C. A. Keller, M. S. Long, T. Sherwen, B. Auer, A. Da Silva, J. E. Nielsen, S. Pawson, M. A. Thompson, A. L. Trayanov, K. R. Travis, S. K. Grange, M. J. Evans, and D. J. Jacob, Global simulation of tropospheric chemistry at 12.5 km resolution: performance and evaluation of the GEOS-Chem chemical module (v10-1) within the NASA GEOS Earth System Model (GEOS-5 ESM), Geosci. Model Dev., 11, 4603-4620,, 2018.

Lu, X., L. Zhang, Y. Zhao, D. J. Jacob, Y. Hu, L. Hu, M. Gao, X. Liu, I. Petropavlovskikh, A. McClure-Begley, and R. Querel, Surface and tropospheric ozone trends in the Southern Hemisphere since 1990: possible linkages to poleward expansion of the Hadley Circulation, Science Bulletin, doi:, 2018.

Young, P.J., Naik, V., Fiore, A.M., Gaudel, A., Guo, J., Lin, M.Y., Neu, J., Parrish, D., Reider, H.E., Schnell, J.L., Tilmes, S., Wild, O., Zhang, L., Brandt, J., Delcloo, A., Doherty, R.M., Geels, C., Hegglin, M., Hu, L., Im, U., Kumar, R., Luhar, A., Murray, L., Plummer, D., Rodriguez, J., Saiz-Lopez, A., Schultz, M.G., Woodhouse, M., Zeng, G., Ziemke (2018), Tropospheric Ozone Assessment Report: Assessment of global-scale model performance for global and regional ozone distributions, variability, and trends, Elem. Sci. Anth., 6(1):10, doi:


Hu, L., D.J. Jacob, X. Liu, Y. Zhang, L. Zhang, P.S. Kim, M.P. Sulprizio, R.M. Yantosca (2017), Global budget of tropospheric ozone: evaluating recent model advances with satellite (OMI), aircraft (IAGOS), and ozonesonde observations, Atmos. Environ., 167, 323-334, doi: 10.1016/j.atmosenv.2017.08.036 [Supplement]. [Featured at NASA website for Aura Science]

Zhu, L., L. J. Mickley, D. J. Jacob, E. A. Marais, J. Sheng, L. Hu, G. González Abad, and K. Chance (2017), Long-term (2005–2014) trends in formaldehyde (HCHO) columns across North America as seen by the OMI satellite instrument: Evidence of changing emissions of volatile organic compounds, Geophys. Res. Lett., 44, 7079–7086, doi:10.1002/2017GL073859 [Supplement].

Weimer, M., J. Schröter, J. Eckstein, K. Deetz, M. Neumaier, G. Fischbeck, L. Hu, D.B. Millet, D. Rieger, H. Vogel, B. Vogel, T. Reddmann, O. Kirner, R. Ruhnke, and P. Braesicke (2017), An emission module for ICON-ART 2.0: Implementation and simulations of acetone, Geosci. Model Dev., 10, 2471-2494, [Supplement].


Millet, D. B., M. Baasandorj, L. Hu, D. Mitroo, J. Turner, B. J. Williams (2016), Nighttime chemistry and morning isoprene can drive daytime ozone downwind of a major deciduous forest, Environ. Sci. Technol., 50, 4335-4342, doi:10.1021/acs.est.5b06367 [Supplement].

Schmidt, J. A., D. J. Jacob, H. Horowitz, L. Hu, T. Sherwen, M. Evans, Q. Liang, R. Suleiman, D. Oram, M. Le Breton, C. Parcival, S. Wang, B. Dix, and R. Volkamer (2016), Modeling the observed tropospheric BrO background: Importance of multiphase chemistry and implications for ozone, OH, and mercury, J. Geophys. Res., 121, 11819–11835, doi:10.1002/2015JD024229 [Supplement].

Yan, Y.-Y., J.-T. Lin, J. Chen, L. Hu (2016), Improved simulation of tropospheric ozone by a global-multi-regional two-way coupling model system, Atmos. Chem. Phys., 16, 2381-2400, doi:10.5194/acp-16-2381-2016.

Lee, X., Y. Huang, D. Huang, L. Hu, Z. Feng, J. Cheng,B. Wang, J. Ni, T. Shurkhuu (2016), Variation of Soil Organic Carbon and Its Major Constraints in East Central Asia, PLoS ONE, 11(3), e0150709, doi:10.1371/journal.pone.0150709.


Hu, L., D.B. Millet, M. Baasandorj, T.J. Griffis, K.R. Travis, C. Tessum, J. Marshall, W.F. Reinhart, T. Mikoviny, M. Müller, A. Wisthaler, M. Graus, C. Warneke, and J. de Gouw (2015a), Emissions of C6-C8 aromatic compounds in the United States: Constraints from tall tower and aircraft measurements, J. Geophys. Res., 120, 826-842, doi:10.1002/2014JD022627 [Supplement]. [Highlighted on the cover of the JGR-Atmosphere]

Hu, L., D.B. Millet, M. Baasandorj, T.J. Griffis, P. Turner, D. Helmig, A.J. Curtis, J. Hueber (2015b), Isoprene emissions and impacts over an ecological transition region in the US Upper Midwest inferred from tall tower measurements, J. Geophys. Res., 120, 3553-3571, doi:10.1002/2014JD022732 [Supplement].

Baasandorj, M., D.B. Millet, L. Hu, D. Mitroo, and B.J. Williams (2015), Measuring acetic and formic acid by Proton Transfer Reaction-Mass Spectrometry: Sensitivity, humidity dependence, and quantifying interferences, Atmos. Meas. Tech., 8, 1301-1321.

Millet, D.B., M. Baasandorj, D.K. Farmer, J.A. Thornton, K. Baumann, P. Brophy, S. Chaliyakunnel, J.A. de Gouw, M. Graus, L. Hu, A. Koss, B.H. Lee, F.D. Lopez-Hilfiker, J.A. Neuman, F. Paulot, J. Peischl, I.B. Pollack, T.B. Ryerson, C. Warneke, B.J. Williams, and J. Xu (2015), A large and ubiquitous source of atmospheric formic acid, Atmos. Chem. Phys., 15, 6283-6304.


Hu, L (2014). Constraints on the sources and impacts of volatile organic compounds (VOCs) over North America from tall tower measurements, University of Minnesota Ph.D. dissertation: Twin Cities, MN, USA.

Luan, Y., L. Hu, K.C. Wells (2014), The influence of ozone from outside state: Towards cleaner air in Minnesota, Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, AWMA,  3, 1701-1706. [Extended Conference Abstract for 107th AWMA Annual Conference and Exhibition, Long Beach, CA, June, 2014].


Hu, L., D.B. Millet, S. Kim, K. C. Wells, T. J. Griffis, E.V. Fischer, D. Helmig, J. Hueber, and A. J. Curtis (2013), North American acetone sources determined from tall tower measurements and inverse modeling, Atmos. Chem. Phys., 13, 3379-3392, doi:10.5194/acp-13-3379-2013.

Kim, S.Y., D.B. Millet, L. Hu, M. Mohr, T. J. Griffis, D. Wen, J. Lin, S. Miller, and M. Longo (2013), Constraints on carbon monoxide emissions based on tall tower measurements in the US Upper Midwest, Environ. Sci. & Technol., 47, 8316-8324, doi:10.1021/es4009486 [Supplement].


Wells, K.C., D.B. Millet, L. Hu, K.E. Cady-Pereira, Y. Xiao, M.W. Shephard, C.L. Clerbaux, L. Clarisse, P.-F. Coheur, E.C. Apel, J. de Gouw, C. Warneke, H.B. Singh, A.H. Goldstein, and B.C. Sive (2012), Tropospheric methanol observations from space: Retrieval evaluation and constraints on the seasonality of biogenic emissions, Atmos. Chem. Phys., 12, 5897-5912, doi:10.5194/acp-12-5897-2012.


Hu, L., D.B. Millet, M.J. Mohr, K.C. Wells, T.J. Griffis, and D. Helmig (2011), Sources and seasonality of atmospheric methanol based on tall tower measurements in the US Upper Midwest, Atmos. Chem. Phys., 11, 11145-11156, doi:10.5194/acp-11-11145-2011.


Hu, L., X. Lee, D. Huang, and J. Cheng (2008), Ammonium nitrogen in the surface soil of arid and semiarid Central East Asia, Geochimica., 37(6), 572-580

Cheng J., X. Lee, Z. Lin, L. Hu, and D. Huang (2008), Spatial variation of C and N contents of plant communities in the steppe of north China: Implication for the abnormal C/N ratio in the surface soil, Geochimica., 37(3), 265-274

Jiang, W., X. Lee, D. Huang, H. Zhou, L. Hu, Y. Peng, Z. Hong, Y. Lin, and Y. Xing. (2008), Thermodynamics equilibrium calculation method for contribution of organic acids to free acidity of precipitation, Environ. Chem., 27(4), 416-421

Lee, X., D. Huang, Y. Zhang, W. Jiang, N. An, L. Hu, and G. Xu (2008), Measurements of stable carbon isotopic compositions of formic and acetic acids in aqueous solution by needle trap coupled with GC-IRMS, Geochimica., 37(6), 549-555