Publications

M. Park, Z. Zheng, N. Riemer, C. W. Tessum [2024], Learned 1-D passive scalar advection to accelerate chemical transport modeling: a case study with GEOS-FP horizontal wind fields, Artif. I. Earth Syst., accepted.
N. Riemer, M. West [2024], The state of the aerosol: Musings on mixing state, Aerosol Sci. Technol., 1-6, DOI: 10.1080/02786826.2024.2346220.
X. Yang, L. Guo, Z. Zheng, N. Riemer, C. W. Tessum [2024], Atmospheric chemistry surrogate modeling with sparse identification of nonlinear dynamics, J. Geophys. Res.-Machine Learning and Computation, 1, e2024JH000132, DOI: 10.1029/2024JH000132.
J. H. Curtis, N. Riemer, M. West [2024], Explicit stochastic advection algorithms for the regional scale particle-resolved atmospheric aerosol model WRF-PartMC (v1.0), EGUsphere [preprint], DOI: 10.5194/egusphere-2024-825.
W. Li, N. Riemer, L. Xu, Y. Wang, K. Adachi, Z. Shi, D. Zhang, Z. Zheng, A. Laskin [2024], Microphysical properties of atmospheric soot and organic particles: measurements, modeling, and impacts, npj Clim Atmos Sci, 7, 65, DOI: 10.1038/s41612-024-00610-8.
W. Shen, M. Wang, N. Riemer, Z. Zheng, Y. Liu, X. Dong [2024], Improving BC mixing state and CCN activity representation with machine learning in the Community Atmosphere Model Version 6 (CAM6), J. Adv. Model. Earth Sys., 16, e2023MS003889, DOI: 10.1029/2023MS003889.
S. Dall'erba, N. Riemer, Y. Xu, R. Xu, Y. Yao [2024], Identifying the key atmospheric and economic drivers of global carbon monoxide emission transfers, Economic Sys. Res., DOI: 10.1080/09535314.2023.2300787.
Z. D'Aquino, S. Arabas, J. H. Curtis, A. Vaishnav, N. Riemer, M. West [2023], PyPartMC: A Pythonic interface to a particle-resolved, Monte Carlo aerosol simulation framework, SoftwareX, 25, 101613, DOI: 10.1016/j.softx.2023.101613.
D. A. Knopf, I. Silber, N. Riemer, A. M. Fridlind, A. S. Ackermann [2023], A 1D model for nucleation of ice from aerosol particles: An application to a mixed-phase Arctic stratus cloud layer, J. Adv. Model. Earth Sys., 15, e2023MS003663, DOI: 10.1029/2023MS003663.
A. Hodzic, N. Mahowald, M. Dawson, J. Johnson, L. Bernadet, P. A. Bosler, J. D. Fast, L. Fierce, X. Liu, P.-L. Ma, B. Murphy, N. Riemer, M. Schulz [2023], Generalized Aerosol/Chemistry Interfact (GIANT): A community effort to advance collaborative science across weather and climate models, Bulletin Amer. Meteorol. Soc., 104, E2065-E2080, DOI: 10.1175/BAMS-D-23-0013.1.
P. N. Razafindrambinina, K. A. Malek, A. De, K. Gohil, N. Riemer, A. A. Asa-Awuku [2023], Using particle-resolved aerosol model simulations to guide the interpretations of cloud condensation nuclei experimental data, Aerosol Sci. Technol., 57, 608-618, DOI: 10.1080/02786826.2023.2202741.
S. Ghosh, S. Dey, S. Das, N. Riemer, G. Giuliani, D. Ganguly, C. Venkataraman, F. Giorgi, S. N. Tripathi, R. Srikanthan, R. A. Thazhathakal, H. Gadhavi, A. K. Srivastava, Towards an improved representation of carbonaceous aerosols over the Indian monsoon region in a regional climate model RegCM4.6 [2023], Geosci. Model Dev., 16, 1-15, DOI: 10.5194/gmd-16-1-2023.
J. L. Wang, J. H., Curtis, N. Riemer, M. West [2022], Learning coagulation processes with combinatorial neural networks, J. Adv. Model. Earth Sy., 14, e2022MS003252, DOI: 10.1029/2022MS003252.
Y. Yao, J. H., Curtis, J. Ching, Z. Zheng, N. Riemer, [2022], Quantifying the effects of mixing state on aerosol optical properties, Atmos. Chem. Phys. , 22, 9265-9282, DOI: 10.5194/acp-22-9265-2022.
M. L. Dawson, C. Guzman, J. H. Curtis, M. Acosta, S. Zhu, D. Dabdub, A. Conley, M. West, N. Riemer, O. Jorba, Chemistry Across Multiple Phases (CAMP) version 1.0: An integrated multi-phase chemistry model [2022], Geosci. Model Dev., 15, 3663-3689, DOI: 10.5194/gmd-15-3663-2022
Y. Yao, M. L. Dawson, D. Dabdub, N. Riemer, Evaluating the impacts of cloud processing on resuspended aerosol particles after cloud evaporation using a particle-resolved model [2021] J. Geophysical Res., 126, e2020JD033613, DOI: 10.1029/2020JD033613
S. Ghosh, N. Riemer, G. Giuliani, F. Giorgi, D. Ganguly, S. Dey, Sensitivity of carbonaceous aerosol properties to the implementation of a dynamic ageing parameterisation in the regional climate model RegCM [2021], J. Geophysical Res., 126, e2020JD033613, DOI: 10.1029/2020JD033613.
L. Nandy, Y. Yao, Z. Zheng, N. Riemer, Water uptake and optical properties of mixed organic-inorganic particles [2021], Aerosol Sci. Technol., 55, 1398-1413, DOI: 10.1080/02786826.2021.1966378.
Z. Zheng, M. West, L. Zhao, P.-L. Ma, X. Liu, N. Riemer, Quantifying the structural uncertainty of the aerosol mixing state representation in a modal model [2021] Atmos. Chem. Phys., 21, 17727-17741, DOI: 10.5194/acp-21-17727-2021.
D. A. Knopf, K. Barry, T. Brubaker, T., L. Jahl, J. Li, Y. Lu, L. Monroe, K. Moore, F. A. Rivera- Adorno, K. Sauceda, Y. Shi, J. M. Tomlin, H. Sandeep Vepuri, P. Wang, N. N. Lata, E. Levin, J. Creamean, T. Hill, S. China, P. A. Alpert, R. C. Moffet, N. Hiranuma, R. C. Sullivan, A. Fridlind, M. West, N. Riemer, A. Laskin, P. J. DeMott, X. Liu, Aerosol-Ice Formation Closure: A Southern Great Plains Study [2021], Bulletin American Meteorol. Soc. , DOI: 10.1175/BAMS-D-20-0151.1.
Z. Zheng, J. H. Curtis, Y. Yao, J. T. Gasparik, V. G. Anantharaj, L. Zhao, M. West, N. Riemer [2021], Estimating submicron aerosol mixing state at the global scale with machine learning and earth system modeling, Earth and Space Science, 8, DOI: 10.1029/2020EA001500.
Z. Zheng, J. Ching, J. H. Curtis, Y. Yao, P. Xu, M. West, N. Riemer [2020], Unsupervised Regionalization of Particle-resolved Aerosol Mixing State Indices on the Global Scale. Thirty-fourth Conference on Neural Information Processing Systems (NeurIPS 2020), AI for Earth Sciences Workshop. arXiv: 2012.03365.
J. T. Gasparik, Q. Ye, J. H. Curtis, A. A. Presto, N. M. Donahue, R. C. Sullivan, M. West, N. Riemer [2020], Quantifying errors in the aerosol mixing-state index based on limited particle sample size, Aerosol Sci. Technol., DOI: 10.1080/02786826.2020.1804523.
H. O. T. Pye, A. Nenes, B. Alexander, A. P. Ault, M. C. Barth, S. L. Clegg, J. L. Collett Jr., K. M. Fahey, C. J. Hennigan, H. Herrmann, M. Kanakidou, J. R. Kelly, I-Ting Ku, V. Faye McNeill, N. Riemer, T. Schaefer, G. Shi, A. Tilgner, J. T. Walker, T. Wang, R. Weber, J. Xing, R. Zaveri, A. Zuend [2020], The acidity of atmospheric particles and clouds, Atmos. Chem. Phys., DOI: 10.5194/acp-20-4809-2020.
H. Wu, T. Wang, Q. Wang, N. Riemer Y. Cao, C. Liu, C. Ma, X. Xie [2019], Relieved air pollution enhanced urban heat island intensity in Yangtze River Delta, China, Aerosol and Air Quality Res., DOI: 10.4209/aaqr.2019.02.0100.
C. Shou, N. Riemer, T. B. Onasch, A. J. Sedlacek, A. T. Lambe, E. R. Lewis, P. Davidovits, M. West [2019], Mixing state evolution of agglomerating particles in an aerosol chamber: Comparison of measurements and particle-resolved simulations, Aerosol Sci. Technol., DOI: 10.1080/02786826.2019.1661959.
N. Riemer, A. P. Ault, R. L. Craig, J. H. Curtis, M. West [2019], Aerosol mixing state: Measurements, modeling, and impacts, Rev. Geophys., DOI: 10.1029/2018RG000615.
L. DeVille, N. Riemer, M. West [2019], Convergence of a generalized weighted flow algorithm for stochastic particle coagulation, J. Computational Dynamics, DOI: 10.3934/jcd.2019003.
F. Malfatti, C. Lee, T. Tinta, M. A. Pendergraft, M. Celussi, Y. Zhou, C. M. Sultana, A. Rotter, J. L. Axson, D. B. Collins, M. V. Santander, A. L. Anides Morales, L. I. Aluwihare, N. Riemer, V. H. Grassian, F. Azam, K. A. Prather [2019], Detection of active microbial enzymes in nascent sea spray aerosol: Implications for atmospheric chemistry and climate, Environ. Sci. & Technol. Letters, 6, 171-177, DOI: 10.1021/acs.estlett.8b00699.
J. Ching, M. West, N. Riemer [2018], Quantifying impacts of aerosol mixing state on nucleation-scavenging of black carbon aerosol particles, Atmosphere, 9, 17, DOI: 10.3390/atmos9010017.
M. Hughes, J. K. Kodros, J. R. Pierce, M. West, N. Riemer [2018], Machine Learning to Predict the Global Distribution of Aerosol Mixing State Metrics Atmosphere, 9, 15, DOI: 10.3390/atmos9010015.
J. H. Curtis, N. Riemer, M. West [2017], A single-column particle-resolved model for simulating the vertical distribution of aerosol mixing state: WRF-PartMC-MOSAIC-SCM v1.0, Geosci. Model Dev., 10, 4057-4079, DOI: 10.5194/gmd-10-4057-2017.
H. Wu, T. Wang, N. Riemer, P. Chen, M. Li, S. Li [2017], Urban heat island impacted by fine particles in Nanjing, China, Scientific Reports, 7, 11422, DOI: 10.1038/s41598-017-11705-z.
F. Mena, T. C. Bond, N. Riemer [2017], Plume-exit modeling to determine cloud condensation nuclei activity of aerosols from residential biofuel combustion, Atmos. Chem. Phys., 17, 9399-9415, DOI: 10.5194/acp-17-9399-2017.
J. Ching, J. Fast, M. West, N. Riemer [2017], Metrics to quantify the importance of mixing state for CCN activity, Atmos. Chem. Phys.,17, 7445-7458, DOI: 10.5194/acp-17-7445-2017.
J. Tian, B. Brem, M. West, T. C. Bond, M. J. Rood, N. Riemer [2017], Simulating aerosol chamber experiments with the particle-resolved aerosol model PartMC, Aerosol Sci. Technol., 51, 856-867, DOI: 10.1080/02786826.2017.1311988.
L. Fierce, N. Riemer, T. C. Bond [2017], Toward reduced representation of mixing state for simulating aerosol effects on climate, Bull. American Meteorol. Soc., 98, 971-980, DOI: 10.1175/BAMS-D-16-0028.1.
W. Li, J. Sun, L. Xu, Z. Shi, N. Riemer, Y. Sun, P. Fu, J. Zhang, Y. Lin, X. Wang, L. Shao, J. Chen, X. Zhang, Z. Wang, W. Wang [2016], A conceptual framework for mixing structures in individual aerosol particles, J. Geophys. Res., 121, 13,784-13,798, DOI: 10.1002/2016JD025252.
L. Fierce, T. Bond, S. Bauer, F. Mena, N. Riemer [2016], Black carbon absorption at the global scale is affected by particle-scale diversity in composition, Nature Communications, 7, 12361, DOI: 10.1038/ncomms12361.
J. H. Curtis, M. D. Michelotti, N. Riemer, M. T. Heath, M. West [2016], Accelerated simulation of stochastic particle removal processes in particle-resolved aerosol models, J. Computational Phys., 322, 21-32, DOI: 10.1016/j.jcp.2016.06.029.
J. Ching, R. A. Zaveri, R. C. Easter, N. Riemer, J. D. Fast [2016], A three-dimensional sectional representation of aerosol mixing state for simulating optical properties and cloud condensation nuclei, J. Geophys. Res., 121, DOI: 10.1002/2015JD024323.
J. Ching, N. Riemer, M. West [2016], Black carbon mixing state impacts on cloud microphysical properties: effects of aerosol plume and environmental conditions, J. Geophys. Res., 121, DOI: 10.1002/2016JD024851.
W. L. Chang, S.S. Brown, J. Stutz, A. M. Middlebrook, R. Bahreini, N. L. Wagner, W. P. Dube, I. Pollack, T. B. Ryerson, N. Riemer [2016], Evaluating N2O5 heterogeneous hydrolysis parameterizations for CalNex 2010, J. Geophys. Res., 121, DOI: 10.1002/2015JD024737.
M. D. Willis, R. M. Healy, N. Riemer, M. West, J. M. Wang, C.-H. Jeong, J. C. Wenger, G. J. Evans, J. P. D. Abbatt, and A. K. Y. Lee [2016], Quantification of black carbon mixing state from traffic: implications for aerosol optical properties, Atmos. Chem. Phys., 16, 4693-4706, DOI: 10.5194/acp-16-4693-2016.
R. E. O'Brien, B. Wang, A. Laskin, N. Riemer, M. West, Q. Zhang, Y. Sun, X.-Y. Yu, P. Alpert, D. A. Knopf, M. K. Gilles, R. C. Moffet [2015], Chemical imaging of ambient aerosol particles: observational constraints on mixing state parameterization, J. Geophys. Res., 120, DOI: 10.1002/2015JD023480.
L. Fierce, N. Riemer, T. Bond [2015], Explaining variance in black carbon's aging timescale, Atmos. Chem. Phys., 15, 3173-3191, DOI: 10.5194/acp-15-3173-2015.
Y. J. Kim, S. N. Spak, G. R. Carmichael, N. Riemer, C. O. Stanier [2014], Modeled aerosol nitrate formation pathways during wintertime in the Great Lakes region of North America, J. Geophys. Res., 119, DOI: 10.1002/2014JD022320.
R. M. Healy, N. Riemer, J. C. Wenger, M. Murphy, M. West, L. Poulain, A. Wiedensohler, I. P. O'Connor, E. McGillicuddy, J. R. Sodeau, and G. J. Evans [2014], Single particle diversity and mixing state measurements, Atmos. Chem. Phys., 14, 6289-6299, DOI: 10.5194/acp-14-6289-2014.
O. M. Doherty, N. Riemer, S. Hameed [2014], Role of the convergence zone over west Africa in controlling Saharan mineral dust load and transport in the boreal summer, Tellus B, 66, 23191, DOI: 10.3402/tellusb.v66.23191.
J. C. Kaiser, J. Hendricks, M. Righi, N. Riemer, R. A. Zaveri, S. Metzger, V. Aquila [2014], The MESSy aerosol submodel MADE3 (v2.0b): description and a box model test, Geosci. Model Dev., 7, 1137-1157, DOI: 10.5194/gmd-7-1137-2014.
J. Tian, N. Riemer, M. West, L. Pfaffenberger, H. Schlager, A. Petzold [2014], Modeling the evolution of aerosol particles in a ship plume using PartMC-MOSAIC, Atmos. Chem. Phys., 14, 5327-5347, DOI: 10.5194/acp-14-5327-2014.
L. Fierce, N. Riemer, and T. C. Bond [2013], When is cloud condensation nuclei activity sensitive to particle characteristics at emission? J. Geophys. Res., 118, DOI: 10.1002/2013JD020608.
N. Riemer and M. West [2013], Quantifying aerosol mixing state with entropy and diversity measures, Atmos. Chem. Phys., 13, 11423-11439, DOI: 10.5194/acp-13-11423-2013. (pdf)
J. Ching, N. Riemer, and M. West [2012] Impacts of black carbon mixing state on black carbon nucleation scavenging-Insights from a particle-resolved model J. Geophys. Res., 117, D23209, DOI: 10.1029/2012JD018269. (pdf)
C. Stanier, A. Singh, W. Adamski, J. Baek, M. Caughey, G. Carmichael, E. Edgerton, D. Kenski, M. Koerber, J. Oleson, T. Rohlf, S. R. Lee, N. Riemer, S. Shaw, S. Sousan, S. N. Spak [2012], Overview of the LADCO winter nitrate study: hourly ammonia, nitric acid and PM2.5 composition at an urban and rural site pair during PM2.5 episodes in the US Great Lakes region, Atmos. Chem. Phys. , 12, 11037-11056, DOI: 10.5194/acp-12-11037-2012. (pdf)
O. M. Doherty, N. Riemer, S. Hameed [2012], Control of Saharan mineral dust transport to Barbados in winter by the Intertropical Convergence Zone over West Africa, J. Geophys. Research , 117, D19117, DOI: 10.1029/2012JD017767. (pdf)
S. Hameed and N. Riemer [2012], Relationship of Sahel Precipitation and Atmospheric Centers of Action, Advances in Meteorology, 2012, 953853, DOI: 10.1155/2012/953853. (pdf)
R. E. L. DeVille, N. Riemer, M. West [2011] The Weighted Flow Algorithm (WFA) for stochastic particle coagulation, J. Computational Phys., 230, 8427-8451 DOI: 10.1016/j.jcp.2011.07.027. (pdf)
J.C. Kaiser, N. Riemer, D.A. Knopf [2011] Detailed heterogeneous oxidation of soot surfaces in a particle-resolved aerosol model, Atmos. Chem. Phys., 11, 4505-4520 DOI: 10.5194/acp-11-4505-2011. (pdf)
V. Aquila, J. Hendricks, A. Lauer, N. Riemer, H. Vogel, D. Baumgardner, J. P. Schwarz, J. R. Spackman , B. Weinzierl, M. Righi, M. Dall’Amico [2011] MADE-IN: A new aerosol microphysics submodel for global simulation of potential atmospheric ice nuclei, Geosci. Model Dev. , 4, 325–355, DOI: 10.5194/gmd-4-325-2011. (pdf)
W. Chang, P. Bhave, S. Brown, N. Riemer, J. Stutz, D. Dabdub [2011] Tropospheric N2O5: A review of ambient measurements and model calculations, Aerosol Sci. and Technol., 45, 655-685, DOI: 10.1080/02786826.2010.551672. (pdf)
J. Ching, N. Riemer, M. Miller, M. Dunn [2010] In-cloud turbulence structure of marine stratocumulus, Geophys. Res. Letters, 37, L21808. DOI: 10.1029/2010GL045033. (pdf)
R.A. Zaveri, R.C. Easter, J.C. Barnard, N. Riemer, M. West [2010] Particle-resolved simulation of aerosol size, composition, mixing state, and the associated optical and cloud condensation nuclei activation properties in an evolving urban plume, J. Geophys. Res., 115, D17210, DOI: 10.1029/2009JD013616. (pdf)
F. Xu, D.-P. Wang, N. Riemer [2010] An idealized study of flocculation effects on sediment trapping in an Estuarine Turbidity Maximum over tidal cycles, Continental Shelf Research, 30, 1314-1323, 2010, DOI: 10.1016/j.csr.2010.04.014. (pdf)
N. Riemer, M. West, R.A. Zaveri, R.C. Easter [2010] Estimating soot aging time scales with a particle-resolved aerosol model, J. Aerosol Sci., 41, 143-158, DOI: 10.1016/j.jaerosci.2009.08.009. (pdf)
M. Springmann, D. A. Knopf, N. Riemer [2009] Detailed heterogeneous chemistry in an urban plume box model: Reversible co-adsorption of O3, NO2, and H2O on soot coated with benzo[a]pyrene, Atmos. Chem. Phys., 9, 7461-7479, DOI: 10.5194/acp-9-7461-2009. (pdf)
N. Riemer, H. Vogel, B. Vogel, T. Anttila, A. Kiendler-Scharr, Th.F. Mentel [2009] The relative importance of organic coatings for the heterogeneous hydrolysis of N2O5, J. Geophys. Res., 114, D17307, DOI: 10.1029/2008JD011369. (pdf)
N. Riemer, M. West, R.A. Zaveri, R.C. Easter [2009] Simulating the evolution of soot mixing-state with a particle-resolved aerosol model, Journal of Geophysical Research, 114, D09202, DOI: 10.1029/2008JD011073. (pdf)
F. Xu, D.-P. Wang, N. Riemer [2008] Modeling flocculation processes of fine-grained particles using a size-resolved method: Comparison with published laboratory experiments, Continental Shelf Research, 28, 2668-2677, DOI: 10.1016/j.csr.2008.09.001. (pdf)
R. McGraw, L. Leng, W. Zhu, N. Riemer, M. West [2008] Aerosol dynamics using the quadrature method of moments: Comparing several quadrature schemes with particle-resolved simulation, Journal of Physics: Conf. Series, 125, 012020, DOI: 10.1088/1742-6596/125/1/012020. (pdf)
O. Doherty, N. Riemer and S. Hameed [2008] Saharan mineral dust into the Carribean: Observed trends and controls, Journal of Geophysical Research, 113, D07211, DOI: 10.1029/2007JD009171. (pdf)
N. Riemer, A.S. Wexler, K. Diehl [2007] Droplet growth by gravitational coagulation enhanced by turbulence – Comparison of theory and measurements, Journal of Geophysical Research, 112, D07204, DOI: 10.1029/2006JD007702. (pdf)
N. Riemer, O.M. Doherty, S. Hameed [2006] On the variability of African dust transport across the Atlantic, Geophysical Research Letters 33, L13814, DOI: 10.1029/2006GL026163. (pdf)
N. Riemer and A.S. Wexler [2005] Droplets to drops by turbulent coagulation, Journal of the Atmospheric Sciences 62, 1962-1975, DOI: 10.1175/JAS3431.1. (pdf)
N. Riemer, H. Vogel, B. Vogel [2004] Soot aging time scales in polluted regions during day and night, Atmospheric Chemistry and Physics 4, 1885-1893, DOI: 1680-7324/acp/2004-4-1885. (pdf)
N. Riemer, H. Vogel, B. Vogel, F. Fiedler [2003] Modeling aerosols on the mesoscale-γ: Treatment of soot aerosol and its radiative effects, Journal of Geophysical Research 108, 4601, DOI: 10.1029/2003JD003448. (pdf)
N. Riemer, H. Vogel, B. Vogel, B. Schell, I. Ackermann, Ch. Kessler, H. Hass [2003] The impact of the heterogeneous hydrolysis of N2O5 on tropospheric chemistry and nitrate aerosol formation, Journal of Geophysical Research 108, 4144, DOI: 10.1029/2002JD002436. (pdf)
N. Riemer [2002] Numerische Simulation zur Wirkung des Aerosols auf die troposphärische Chemie und die Sichtweite, Ph.D. Thesis, Universität Karlsruhe. online-version
H. Saathoff, K.-H. Naumann, N. Riemer, S. Kamm, O. Möhler, U. Schurath, H. Vogel, B. Vogel [2001] The loss of NO2, HNO3, NO3, N2O5, and HO2/HOONO2 on soot aerosol: A chamber and modeling study, Geophysical Reseach Letters 28, 1957, DOI: 10.1029/2000GL012619. (pdf)
B. Vogel, N. Riemer, H. Vogel, F. Fiedler [1999] Findings on NOy as an indicator for ozone sensitivity based on different numerical simulations, Journal of Geophysical Research 104, 3605-3620. DOI: 10.1029/1998JD100075. (pdf)