Nicholas Balasus
nicholasbalasus@g.harvard.edu
nicholasbalasus.github.io
Updated September 5, 2024

Education
 Ph.D. Student in Environmental Science and Engineering
Harvard University, Advisor: Daniel Jacob
September 2021 – Present Bachelor of Science in Chemical Engineering
University of Maryland, Baltimore County (UMBC)
September 2017 – May 2021

Research Graduate Research Assistant
Harvard University, Advisor: Daniel Jacob
September 2021 – Present Undergraduate Research Assistant
UMBC, Advisor: Christopher Hennigan
September 2017 – August 2021
 Undergraduate Research Assistant
NOAA GFDL, Advisor: Fabien Paulot
May 2020 – August 2020Publications
 Estrada, L.A., D.J. Varon, M. Sulprizio, H. Nesser, Z. Chen, N. Balasus, S.E. Hancock, M. He, J.D. East,T.A. Mooring, A.O. Alonso, J.D. Maasakkers, I. Aben, S. Baray, K.W. Bowman, J.R. Worden, F.J. CardosoSaldaña, E. Reidy, and D.J. Jacob (submitted). Integrated Methane Inversion (IMI) 2.0: an improved researchand stakeholder tool for monitoring total methane emissions with high resolution worldwide using TROPOMI
satellite observations.
 Balasus, N., D.J. Jacob, G. Maxemin, C. Jenks, H. Nesser, J.D. Maasakkers, D.H. Cusworth, T.R. Scarpelli,
D.J. Varon, and X. Wang (submitted). Satellite monitoring of annual US landfill methane emissions and trends.
 Hancock, S.H., D.J. Jacob, Z. Chen, H. Nesser, A. Davitt, D.J. Varon, M.P. Sulprizio, N. Balasus, L.A.
Estrada, J.D. East, E. Penn, C.A. Randles, J. Worden, I. Aben, R.J. Parker, and J.D. Maasakkers (submitted).
Satellite quantification of methane emissions from South American countries: A high-resolution inversion ofTROPOMI and GOSAT observations.
 Oak, Y.J., D.J. Jacob, N. Balasus, L.H. Yang, H. Chong, J. Park, H. Lee, G.T. Lee, E.S. Ha, R.J. Park,H. Kwon, and J. Kim (2024). A bias-corrected GEMS geostationary satellite product for nitrogen dioxideusing machine learning to enforce consistency with the TROPOMI satellite instrument. Atmos. Meas. Tech.,https://doi.org/10.5194/amt-17-5147-2024.
 Varon, D.J., D. Jervis, S. Pandey, S.L. Gallardo, N. Balasus, L.H. Yang, and D.J. Jacob (2024). Quantifying
NOx point sources with Landsat and Sentinel-2 satellite observations of NO2 plumes. Proc. Natl. Acad. Sci.,
https://doi.org/10.1073/pnas.2317077121.
 East, J.D., D.J. Jacob, N. Balasus, A.A. Bloom, L. Bruhwiler, Z. Chen, J.O. Kaplan, L.J. Mickley, T.A.
Mooring, E. Penn, B. Poulter, M.P. Sulprizio, J.R. Worden, R.M. Yantosca, and Z. Zhang (2024). Interpretingthe seasonality of atmospheric methane. Geophys. Res. Lett., https://doi.org/10.1029/2024GL108494.

1 Chen, Z., N. Balasus, H. Lin, H. Nesser, and D.J. Jacob (2024). African rice cultivation linked to risingmethane. Nat. Clim. Chang., https://doi.org/10.1038/s41558-023-01907-x.
 Watine-Guiu, M., D.J. Varon, I. Irakulis-Loitxate, N. Balasus, and D.J. Jacob (2023). Geostationary satellite
observations of extreme and transient methane emissions from oil and gas infrastructure. Proc. Natl. Acad.
Sci., https://doi.org/10.1073/pnas.2310797120.
 Balasus, N., D.J. Jacob, A. Lorente, J.D. Maasakkers, R.J. Parker, H. Boesch, Z. Chen, M.M. Kelp, H. Nesser,and D.J. Varon (2023). A blended TROPOMI+GOSAT satellite data product for atmospheric methane usingmachine learning to correct retrieval biases. Atmos. Meas. Tech., https://doi.org/10.5194/amt-16-3787-2023.
 Battaglia Jr., M.A., N. Balasus, K. Ball, V. Caicedo, R. Delgado, A.G. Carlton, and C.J. Hennigan (2021).
Urban aerosol chemistry at a land-water transition site during summer - Part 2: Aerosol pH and liquid watercontent. Atmos. Chem. Phys., https://doi.org/10.5194/acp-21-18271-2021.
 Balasus, N., M.A. Battaglia Jr., K. Ball, V. Caicedo, R. Delgado, A.G. Carlton, and C.J. Hennigan (2021).
Urban aerosol chemistry at a land-water transition site during summer - Part 1: Impact of agricultural andindustrial ammonia emissions. Atmos. Chem. Phys., https://doi.org/10.5194/acp-21-13051-2021.

Presentations
 Balasus, N., D.J. Jacob, A. Lorente, J.D. Maasakkers, R.J. Parker, H. Boesch, Z. Chen, M.M. Kelp, H. Nesser,and D.J. Varon (2023). A blended TROPOMI+GOSAT satellite data product for atmospheric methane usingmachine learning to correct retrieval biases (Oral). AGU Fall Meeting, San Francisco, CA.
 Balasus, N., F. Paulot, S. Burrows, L.W. Horowitz, and C. Stock (2021). Representation of Marine Organic
Aerosols in the GFDL Earth System Model (Poster). American Meteorological Society Meeting, Virtual.
 Balasus, N., M.A. Battaglia Jr., K. Ball, R. Delgado, and C.J. Hennigan (2019). Characterizing the Impactof Poultry and Cattle Farms on Chesapeake Bay Aerosols in Baltimore, MD During the OWLETS-2 Campaign(Oral). EPA International Emissions Inventory Conference, Dallas, TX.
 Balasus, N., M.A. Battaglia Jr., K. Ball, R. Delgado, and C.J. Hennigan (2019). Investigating the Acidity
and Liquid Water Content of Atmospheric Particles on the Chesapeake Bay during the OWLETS-2 Campaign(Poster). American Meteorological Society Meeting, Phoenix, AZ.

Teaching Experience Professional Writing for Scientists and Engineers
Teaching Assistant for Fall 2023, Spring 2024, and Fall 2024 at Harvard University
 Confronting Climate Change: A Foundation in Science, Technology and Policy
Teaching Assistant for Fall 2022 at Harvard University Chemical Process Control and Safety
Teaching Assistant for Spring 2021 at UMBC
 Chemical Process Thermodynamics
Teaching Assistant for Fall 2020 at UMBC
 Chemical Engineering Problem Solving and Experimental Design Lab
Teaching Assistant for Spring 2020 at UMBC
 Chemical Engineering Analysis
Teaching Assistant for Fall 2019 at UMBC

Awards and Honors
 DoD National Defense Science and Engineering Graduate (NDSEG) Fellowship
September 2022 – Present2

 UMBC Chemical, Biochemical, and Environmental Engineering Undergraduate Research Award
May 2021
 NOAA Ernest F. Hollings Undergraduate Scholarship Recipient
May 2019 – May 2021

Service Reviewer for Atmospheric Measurement Techniques, Remote Sensing of Environment, Atmospheric Environment, and Geophysical Research Letters3