Papers submitted, in review, and in revision

Pendergrass, D.C., D. J. Jacob, N. Balasus, L. Estrada, D. J. Varon, J. D. East, M. He, T. A. Mooring, E. Penn, H. Nesser, and J. R. Worden. Trends and seasonality of 2019–2023 global methane emissions inferred from a localized ensemble transform Kalman filter (CHEEREIO v1.3.1) applied to TROPOMI satellite observations. In review at Atmospheric Chemistry and Physics. Link to preprint (open access). Link to submitted PDF.

Pendergrass, D.C., D. J. Jacob, Y. J. Oak, R. Dang, L. H. Yang, E. Beaudry, N. K. Colombi, S. Zhai, H. Kim, J.-s. Choi, J.-s. Park, S. Kim, and H. Liao. Wintertime trends of fine particulate matter (PM_2.5) in South Korea, 2012-2022: response of nitrate and organic components to decreasing NO_x emissions. Submitted to Geophysical Research Letters. Link to submitted PDF. Link to preprint (open access).

Voshtani, S., Jones, D. B. A., Wunch, D., Pendergrass, D. C., Wennberg, P. O., Pollard, D. F., Morino, I., Ohyama, H., Deutscher, N. M., Hase, F., Sussmann, R., Weidmann, D., Kivi, R., García, O., Té, Y., Chen, J., Anderson, K., Stevens, R., Kondragunta, S., … Murata, I. (2025). Quantifying CO emissions from boreal wildfires by assimilating TROPOMI and TCCON observations. In review at Atmospheric Chemistry and Physics. Link to preprint (open access).

Colombi, N. K., D. J. Jacob, X. Ye, R. M. Yantosca, K. H. Bates, D. C. Pendergrass, L. H. Yang, K. Li, and H. Liao. Large and increasing stratospheric contribution to tropospheric ozone over East Asia. Submitted to Atmospheric Chemistry and Physics. Link to preprint (open access). Link to submitted PDF.

2025

Beaudry, E., Jacob, D. J., Bates, K. H., Zhai, S., Yang, L. H., Pendergrass, D. C., Colombi, N., Simpson, I. J., Wisthaler, A., Hopkins, J. R., Li, K., & Liao, H. (2025). Ethanol and Methanol in South Korea and China: Evidence for Large Anthropogenic Emissions Missing from Current Inventories. ACS ES&T Air. Link to paper (open access).

Oak, Y. J., Jacob, D. J., Pendergrass, D. C., Dang, R., Colombi, N. K., Chong, H., Lee, S., Kuk, S. K., & Kim, J. (2025). Air quality trends and regimes in South Korea inferred from 2015–2023 surface and satellite observations. Atmospheric Chemistry and Physics, 25(5), 3233–3252. Link to paper (open access)

Pendergrass, D.C., Jacob, D. J., Oak, Y. J., Lee, J., Kim, M., Kim, J., Lee, S., Zhai, S., Irie, H., & Liao, H. (2025). A continuous 2011–2022 record of fine particulate matter (PM_2.5) in East Asia at daily 2-km resolution from geostationary satellite observations: Population exposure and long-term trends. Atmospheric Environment, 346, 121068. Link to paper (open access). Link to PDF.

Yang, L. H., Jacob, D. J., Lin, H., Dang, R., Bates, K. H., East, J. D., Travis, K. R., Pendergrass, D. C., & Murray, L. T. (2025). Assessment of Hydrogen’s Climate Impact Is Affected by Model OH Biases. Geophysical Research Letters, 52(5), e2024GL112445. Link to paper (open access)

2024

Dang, R., Jacob, D. J., Zhai, S., Yang, L. H., Pendergrass, D. C., Coheur, P., Clarisse, L., Van Damme, M., Choi, J., Park, J., Liu, Z., Xie, P., & Liao, H. (2024). A Satellite-Based Indicator for Diagnosing Particulate Nitrate Sensitivity to Precursor Emissions: Application to East Asia, Europe, and North America. Environmental Science & Technology. Link to paper (open access)

Liu, T., F.M. Panday†, M.C Caine†, M. Kelp, D. C. Pendergrass, L. J. Mickley, E. A. Ellicott, M. E. Marlier, R. Ahmadov, and E. P. James (2024). Is the smoke aloft? Caveats of using the Hazard Mapping System (HMS) smoke product as a proxy of surface smoke presence across the United States. International Journal of Wildland Fire, 33(10). Link to paper (open access).

Yang, L. H., Jacob, D. J., Dang, R., Oak, Y. J., Lin, H., Kim, J., Zhai, S., Colombi, N. K., Pendergrass, D. C., Beaudry, E., Shah, V., Feng, X., Yantosca, R. M., Chong, H., Park, J., Lee, H., Lee, W.-J., Kim, S., Kim, E., … Liao, H. (2024). Interpreting Geostationary Environment Monitoring Spectrometer (GEMS) geostationary satellite observations of the diurnal variation in nitrogen dioxide (NO₂) over East Asia. Atmospheric Chemistry and Physics, 24(12), 7027–7039. Link to paper (open access)

2023

Dang, R., Jacob, D. J., Zhai, S., Coheur, P., Clarisse, L., Van Damme, M., Pendergrass, D. C., Choi, J., Park, J., Liu, Z., & Liao, H. (2023). Diagnosing the Sensitivity of Particulate Nitrate to Precursor Emissions Using Satellite Observations of Ammonia and Nitrogen Dioxide. Geophysical Research Letters, 50(24), e2023GL105761. Link to paper (open access)

Pendergrass, D. C., Jacob, D. J., Nesser, H., Varon, D. J., Sulprizio, M., Miyazaki, K., & Bowman, K. W. (2023). CHEEREIO 1.0: A versatile and user-friendly ensemble-based chemical data assimilation and emissions inversion platform for the GEOS-Chem chemical transport model. Geoscientific Model Development, 16(16), 4793–4810. Link to paper (open access). Link to PDF.

Varon, D. J., Jacob, D. J., Hmiel, B., Gautam, R., Lyon, D. R., Omara, M., Sulprizio, M., Shen, L., Pendergrass, D. C., Nesser, H., Qu, Z., Barkley, Z. R., Miles, N. L., Richardson, S. J., Davis, K. J., Pandey, S., Lu, X., Lorente, A., Borsdorff, T., … Aben, I. (2023). Continuous weekly monitoring of methane emissions from the Permian Basin by inversion of TROPOMI satellite observations. Atmospheric Chemistry and Physics, 23(13), 7503–7520. Link to paper (open access).

Chen, Z., Jacob, D. J., Gautam, R., Omara, M., Stavins, R. N., Stowe, R. C., Nesser, H., Sulprizio, M. P., Lorente, A., Varon, D. J., Lu, X., Shen, L., Qu, Z., Pendergrass, D. C., & Hancock, S. (2023). Satellite quantification of methane emissions and oil–gas methane intensities from individual countries in the Middle East and North Africa: Implications for climate action. Atmospheric Chemistry and Physics, 23(10), 5945–5967. PDF. Publisher's version (open access).

Zhai, S., Jacob, D. J., Pendergrass, D. C., Colombi, N. K., Shah, V., Yang, L. H., Zhang, Q., Wang, S., Kim, H., Sun, Y., Choi, J.-S., Park, J.-S., Luo, G., Yu, F., Woo, J.-H., Kim, Y., Dibb, J. E., Lee, T., Han, J.-S., … Liao, H. (2023). Coarse particulate matter air quality in East Asia: Implications for fine particulate nitrate. Atmospheric Chemistry and Physics, 23(7), 4271–4281. PDF. Publisher's version (open access).

2022 and earlier

Pendergrass, D. C., S. Zhai, J. Kim, J-H. Koo, S. Lee, M. Bae, S. Kim, H. Liao, and D. J. Jacob. (2022). Continuous mapping of fine particulate matter (PM_2.5) air quality in East Asia at daily 6x6 km² resolution by application of a random forest algorithm to 2011-2019 GOCI geostationary satellite data. Atmospheric Measurement Techniques, 15, 1075–1091. PDF. Publisher's version (open access). Associated dataset available from Dataverse. Video of 15-minute oral presentation at AGU.

Pendergrass, D. C., Shen, L., Jacob, D. J., & Mickley, L. J. (2019). Predicting the Impact of Climate Change on Severe Wintertime Particulate Pollution Events in Beijing Using Extreme Value Theory. Geophysical Research Letters, 46(3), 1824–1830. Publisher's version (open access). PDF.