32. VoPham, T., T. Liu, M. Cortez, S. Karasaki, N.F. Falkenberg, H.Y. Zewdie, J. Lin, C. Nondin, S.L.S. Chao, T. Knowlton, B. Quennehen, J.A. Mendoza, G.N. Ioannou, K. Berry, G. Adamkiewicz, C.I. Li, and J.E. Hart (2025). Exposure to outdoor air pollution, wildfires, and cancer survival in the United States. Cancer Epidemiol., 98, 102899.
DOI: 10.1016/j.canep.2025.102899
31. Schollaert, C., R. Connolly, L. Cushing, M. Jerrett, T. Liu, and M.E. Marlier (2025). Air quality impacts of the 2025 Los Angeles wildfires: Insights from public data sources. Environ. Sci. Technol. Lett.
DOI: 10.1021/acs.estlett.5c00486
30. Parrington, M., and 22 others, including T. Liu (2025). Biomass burning emission estimation in the MODIS era: state-of-the-art and future directions. Elem. Sci. Anth., 13, 1.
29. Kelp, M., M. Burke, M. Qiu, I. Higuera-Mendieta, T. Liu, and N. Diffenbaugh (2025). Effect of recent prescribed burning and land management on wildfire burn severity and smoke emissions in the western United States. AGU Advances, 6, e2025AV001682.
DOI: 10.1029/2025AV001682
[Press Release: Stanford Woods Institute, Media Coverage: The Hill, ABC]
28. Chung, K.*, T. Liu, M. Kelp, K. Vohra, D. Skelly, M.C. Carroll, J. Schwartz, and L.J. Mickley (2025). Managing smoke risk from wildland fires: Northern California as a case study. Environ. Sci. Technol.
DOI: 10.1021/acs.est.5c01914
[, Press Release: Harvard SEAS, Media Coverage: Harvard SEAS (Karina's feature)]
27. Whaley, C.H. and 34 others, including T. Liu (2025). HTAP3 Fires: Towards a multi-model, multi-pollutant study of fire impacts. Geosci. Model Dev., 18, 3265-3309.
DOI: 10.5194/gmd-18-3265-2025
26. 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 regarding the use of the Hazard Mapping System (HMS) smoke product as a proxy for surface smoke presence across the United States. Int. J. Wildland Fire, 33, WF23148.
DOI: 10.1071/WF23148
[]
25. Madrigano, J., D. Yan, T. Liu, E. Bonilla, N. Yulianti, L.J. Mickley, and M.E. Marlier (2024). Air pollution and blood pressure: Evidence from Indonesia. GeoHealth, 8(7), e2024GH001014.
DOI: 10.1029/2024GH001014
24. Liu, T., J.T. Randerson, Y. Chen, D.C. Morton, E.B. Wiggins, P. Smyth, E. Foufoula-Georgiou, R. Nadler, and O. Nevo (2024). Systematically tracking the hourly progression of large wildfires using GOES satellite observations. Earth Sys. Sci. Data, 16(3), 1395-1424.
DOI: 10.5194/essd-16-1395-2024
[, , ]
23. Feng, X., L.J. Mickley, M.L. Bell, T. Liu, J.A. Fisher, and M. Val Martin (2024). Improved estimates of smoke exposure during Australia fire seasons: Importance of quantifying plume injection heights. Atmos. Chem. Phys., 24(5), 2985-3007.
DOI: 10.5194/acp-24-2985-2024
22. Kelp, M., T. Fargiano, S. Lin, T. Liu, J.R. Turner, J.N. Kutz, and L.J. Mickley (2023). Data-driven placement of PM2.5 air quality sensors in the United States: an approach to target urban environmental injustice. GeoHealth, 7(9), e2023GH000834.
DOI: 10.1029/2023GH000834
21. Singh, A. S.S. Raj, U. Panda, S.M. Kommula, C. Jose, T. Liu, S. Huang, B. Swain, M.L. Pöhlker, E. Reyes-Villegas, N. Ojha, A. Vaishya, A. Bigi, R. Ravikrishna, Q. Zhu, L. Shi, J. Allen, S.T. Martin, G. McFiggans, M.O. Andreae, U. Pöschl, H. Coe, F. Bianchi, H. Su, V. P. Kanawade, P. Liu, and S.S. Gunthe (2023). Rapid growth and high cloud-forming potential of anthropogenic sulfate aerosol in a thermal power plant plume during COVID lockdown in India. NPJ Clim. Atmos. Sci., 6, 109.
DOI: 10.1038/s41612-023-00430-2
20. Gautam, R., P.N. Patel, M.K. Singh, T. Liu, L.J. Mickley, H. Jethva, and R.S. DeFries (2023). Extreme smog challenge of northern India intensified by increasing lower tropospheric stability. Geophys. Res. Lett., 50(11), e2023GL103105.
DOI: 10.1029/2023GL103105
[Press Release: EDF, Media Coverage: Science Magazine, Times of India, Nature India]
19. Dang, R., D.J. Jacob, V. Shah, S.D. Eastham, T.M. Fritz, L.J. Mickley, T. Liu, Y. Wang, and J. Wang (2023). Background nitrogen dioxide (NO2) over the United States and its implications for satellite observations and trends: effects of nitrate photolysis, aircraft, and open fires. Atmos. Chem. Phys., 23(11), 6271-6284.
DOI: 10.5194/acp-23-6271-2023
18. Kelp, M., M. Carroll, T. Liu, R.M. Yantosca, H.E. Hockenberry, and L.J. Mickley (2023). Prescribed burns as a tool to mitigate future wildfire smoke exposures: Lessons for states and environmental justice communities. Earth's Future, 11(6), e2022EF003468.
DOI: 10.1029/2022EF003468
[Press Release: Harvard SEAS, Harvard Gazette]
17. Crowley, M.A., C.A. Stockdale, J.M. Johnston, M.A. Wulder, T. Liu, J.L. McCarty, J.T. Rieb, J.A. Cardille, and J.C. White (2023). Towards a whole-system framework for wildfire monitoring using Earth observations. Glob. Chang. Biol., 29(6), 1423-1436.
DOI: 10.1111/gcb.16567
16. Liu, T., L.J. Mickley, P.N. Patel, R. Gautam, M. Jain, S. Singh, Balwinder-Singh, R.S. DeFries, and M.E. Marlier (2022). Cascading delays in the monsoon rice growing season and post-monsoon agricultural fires likely exacerbate air pollution in north India. J. Geophys. Res. Atmos., 127(24), e2022JD036790.
DOI: 10.1029/2022JD036790
[Press Release: Harvard SEAS, Media Coverage: The Washington Post]
15. Lan, R., S.D. Eastham, T. Liu, L.K. Norford, and S.R.H. Barrett (2022). Air quality impacts of crop residue burning in India and mitigation alternatives. Nat. Commun., 13, 6537.
DOI: 10.1038/s41467-022-34093-z
14. Kommula, S., U. Panda, A. Sharma, S.S. Raj, E. Reyes Villegas, T. Liu, J. Allan, C. Jose, M.L. Pöhlker, R. Raghunathan, P. Liu, H. Su, S. Martin, U. Pöschl, G. McFiggans, H. Coe, and S.S. Gunthe (2021). Chemical characterization and source apportionment of organic aerosols in the coastal city of Chennai, India: Impact of marine air masses on aerosol chemical composition and potential for SOA formation. ACS Earth Space Chem., 5(11), 3197–3209.
DOI: 10.1021/acsearthspacechem.1c00276
13. Zhou, X., K. Josey, L. Kamareddine, M.C. Caine*, T. Liu, L.J. Mickley, M. Cooper, and F. Dominici (2021). Excess of COVID-19 cases and deaths due to fine particulate matter exposure during the 2020 wildfires in the United States. Sci. Adv., 7(33), eabi8789.
DOI: 10.1126/sciadv.abi8789
[Press Release: Harvard SEAS, Harvard School of Public Health]
12. Liu, T., L.J. Mickley, and J.L. McCarty (2021). Global search for temporal shifts in fire activity: potential human influence on southwest Russia and north Australia fire seasons. Environ. Res. Lett., 16, 044023.
DOI: 10.1088/1748-9326/abe328
[Media Coverage: Harvard Gazette]
11. Liu, T. and M.A. Crowley (2021). Detection and impacts of tiling artifacts in MODIS burned area classification. IOP SciNotes, 2(1), 014003.
DOI: 10.1088/2633-1357/abd8e2
[]
10. Gunthe, S.S., P. Liu, U. Panda, S.S. Raj, A. Sharma, E. Derbyshire, E. Reyes-Villegas, J. Allan, Y. Chen, X. Wang, S. Song, M.L. Pöhlker, L. Shi, Y. Wang, S.M. Kommula, T. Liu, R. Ravikrishna, G. McFiggans, L.J. Mickley, S.T. Martin, U. Pöschl, M.O. Andreae, and H. Coe (2021). Enhanced aerosol particle growth sustained by high continental chlorine emission in India. Nat. Geosci., 14, 77-84.
DOI: 10.1038/s41561-020-00677-x
[Media Coverage: Nature Research Chemistry Community, Nature Geoscience News & Views, Chemistry World]
9. Liu, T., L.J. Mickley, R. Gautam, M.K. Singh, R.S. DeFries, and M.E. Marlier (2021). Detection of delay in post-monsoon agricultural burning across Punjab, India: potential drivers and consequences for air quality. Environ. Res. Lett., 16(1), 014014.
DOI: 10.1088/1748-9326/abcc28
8. Liu, T., L.J. Mickley, S. Singh, M. Jain, R.S. DeFries, and M.E. Marlier (2020). Crop residue burning practices across north India inferred from household survey data: bridging gaps in satellite observations. Atmos. Environ. X, 8, 100091.
DOI: 10.1016/j.aeaoa.2020.100091
[Harvard Dataverse: , ]
7. Liu, T., L.J. Mickley, M.E. Marlier, R.S. DeFries, M.F. Khan, M.T. Latif, and A. Karambelas (2020). Diagnosing spatial biases and uncertainties in global fire emissions inventories: Indonesia as regional case study. Remote Sens. Environ., 237, 111557.
* on "Remote Sensing of Land Change Science with Google Earth Engine"
DOI: 10.1016/j.rse.2019.111557
[, , ]
6. Marlier, M.E., T. Liu, K. Yu, J.J. Buonocore, S.N. Koplitz, R.S. DeFries, L.J. Mickley, D.J. Jacob, J. Schwartz, B.S. Wardhana, and S.S. Myers (2019). Fires, Smoke Exposure, and Public Health: An Integrative Framework to Maximize Health Benefits from Peatland Restoration. GeoHealth, 3(7), 178-189.
DOI: 10.1029/2019GH000191
[, , , Media Coverage: The Conversation Indonesia, @googleearth Medium, CNN, ... ]
5. Liu, T., M.E. Marlier, A. Karambelas, M. Jain, S. Singh, M.K. Singh, R. Gautam, and R.S. DeFries (2019). Missing emissions from post-monsoon agricultural fires in northwestern India: regional limitations of MODIS burned area and active fire products. Environ. Res. Commun., 1(1), 011007.
* Highlighted for on Dec. 23, 2019
DOI: 10.1088/2515-7620/ab056c
[, ]
4. Liu, T., R.W. Schmitt, and L. Li (2018). Global search for autumn-lead sea surface salinity predictors of winter precipitation in southwestern United States. Geophys. Res. Lett., 45(16), 8445-8454.
DOI: 10.1029/2018GL079293
3. Cusworth, D.H., L.J. Mickley, M.P. Sulprizio, T. Liu, M.E. Marlier, R.S. DeFries, S.K. Guttikunda, and P. Gupta (2018). Quantifying the influence of agricultural fires in northwest India on urban air pollution in Delhi, India. Environ. Res. Lett., 13(4), 044018.
DOI: 10.1088/1748-9326/aab303
[Media Coverage: IndiaSpend, The Economic Times of India, Phys.org]
2. Liu, T., M.E. Marlier, R.S. DeFries, D.M. Westervelt, K.R. Xia, A.M. Fiore, L.J. Mickley, D.H. Cusworth, and G. Milly (2018). Seasonal impact of regional outdoor biomass burning on air pollution in three Indian cities: Delhi, Bengaluru, and Pune. Atmos. Environ., 173, 83-92.
DOI: 10.1016/j.atmosenv.2017.10.024
[, ]
1. Koplitz, S.N., L.J. Mickley, M.E. Marlier, J.J. Buonocore, P.S. Kim, T. Liu, M.P. Sulprizio, R.S. DeFries, D.J. Jacob, J. Schwartz, and S.S. Myers (2016). Public health impacts of the severe haze in Equatorial Asia in September-October 2015: Demonstration of a new framework for informing fire management strategies to reduce downwind smoke exposure. Environ. Res. Lett., 11(9), 094023.
* 2016 ERL Research Highlights
DOI: 10.1088/1748-9326/11/9/094023
[Media Coverage: NY Times, The Guardian]
32. Coffield, S.R., T.D. McCabe, W. Schroder, Y. Chen, E. Orland, T. Liu, E.W. Wiggins, J.T. Randerson, M.B. Follette-Cook, and D.C. Morton. Leveraging additional VIIRS information to improve fire tracking and emissions estimation in the western US. (in review at Remote Sens. Environ.)
33. Orland, E., T.D. McCabe, Y. Chen, R.C. Scholten, Z. Becker, R. Loehman, J.T. Randerson, S.R. Coffield, T. Liu, A.N. Shiklomanov, K. Nelson, B. Peterson, M.B. Follette-Cook, and D.C. Morton Near real-time indicators of burn severity in the western U.S. from active fire tracking. (in review at Fire Ecol.)
34. Feng, X., L.J. Mickley, J.O. Kaplan, M. Kelp, Y. Li, and T. Liu. Large role of anthropogenic climate change in driving smoke exposure across the western United States from 1992 to 2020. (in review at PNAS)
Preprint DOI (arXiv): 10.48550/arXiv.2412.03733
35. Scholten, R.C., T. Banerjee, Y. Chen, A. Delgado*, A. Desai, Z. Ke, T. Liu, D.C. Morton, D.A. Peterson, Q. Tang, S. Veraverbeke, J. Zhang, and J.T. Randerson. Multi-ignition fire complexes drive extreme fire years and impacts. (in review at Sci. Adv.)
36. Wiggins, E.B., Y. Chen, S.R. Coffield, R. Field, M.B. Follette-Cook, E.M. Gargulinski, T. Liu, T.D. McCabe, D.C. Morton, E. Orland, L. Ott, J.T. Randerson, C. Schmidt, A.J. Soja, and P. Wales. Variability in the diurnal cycles of wildland fires in the western United States. (in review at JGR: Atmos.)
Book Chapters
1. Crowley, M.A. and T. Liu (2023). "Active Fire Monitoring." Cloud-based Remote Sensing with Google Earth Engine: Fundamentals and Applications. Springer, 1005-1022
DOI: 10.1007/978-3-031-26588-4
[, Video walkthrough: , , ]
Popular Writing
5. Liu, T., illust. by C. Ding. "A Bird's-Eye View of Earth: Petabytes of Satellite Data at Our Fingertips" (April 14, 2020). Science in the News. (article)
4. Liu, T., illust. by E. Fivenson. "Living in a world of extreme droughts, floods, and storms" (September 27, 2019). Science in the News. (article)
3. Liu, T., M.E. Marlier, J.J. Buonocore, L.J. Mickley, and R.S. DeFries. "We Built an App to Detect Areas Most Vulnerable to Life-Threatening Haze" (September 9, 2019). The Conversation Indonesia. (article)
2. Liu, T., illust. by C. Huang. "It's Time to Value Disappearing Wetlands" (Spring 2016 issue). Columbia Science Review. (issue)
1. Liu, T. "Finding Serenity Through Research” (July 15, 2015). Columbia to the Core, Columbia College, Columbia University. (article)
CV, ORCID, ResearchGate