http://faculty.pku.edu.cn/zeng

Course for undergraduate: Introduction to atmospheric remote sensing

Before joining PKU, I have co-supervised several undergraduate/graduate students at Caltech and published papers with students as co-authors, including:

(1) Sihe Chen, graduate student at Caltech, research focuses on the impact of aerosol scattering on greenhouse gas retrievals from space, published papers include Zeng, Chen, et al. (2020) in RSE and Chen, Natraj, Zeng, et al. (2021) in JQSRT;

(2) Olivia Addington, undergraduate student at Caltech, research focuses on remote sensing of urban atmospheric compositions, published papers include Addington, Zeng, et al. (2021) in RSE and Zeng, Addington, et al. (2022) in JQSRT;

(3) Liyin He, graduate student at Caltech, research focuses on greenhouse gas emissions in the Los Angeles megacity, published paper includes He, Zeng, et al. (2020) in GRL.

Dr. Zeng’s research interests relate to the development of theories and algorithms in two fundamental areas of remote sensing: (1) radiative transfer and (2) inverse modeling/retrieval. Radiative transfer characterizes the propagation of light in a turbid medium that consists of absorption and scattering by gas molecules and particulates, and its interactions with a lower boundary such as a land surface or an ocean system. Inverse modeling is to develop robust algorithms to retrieve medium properties from observed atmospheric radiation.

As Principal Investigator:

[1] National Science Foundation of China，Remote sensing of greenhouse gases: Theories, methods, and applications，National Natural Science Fund for Excellent Young Scientists Fund Program (Overseas)，2022-, status: on going.

[2] Japan MOE/NIES/JAXA GOSAT/GOSAT-2 International Collaboration Research, project no.: 2RA-01, title: Profiling aerosols using oxygen A-band measurements from GOSAT/GOSAT-2, from July 2020 to July 2025, data and travel support, status: on going. URL: https://www.nies.go.jp/soc/en/ra/ra02/

[3] NASA Jet Propulsion Laboratory), Basic Research, no.:1658775, title: Boundary Layer Measurements of Atmospheric Isotopologues of Water Vapor, Carb on Dioxide and Methane, from March 2021 to October 2021, budget: 57,940 USD, status: finished.

As Co-Investigator:

[1] California Air Resources Board, R&D, no.: 17RD030, title: Quantifying Trends in Methane, Nitrous Oxide, and Carbon Monoxide Emissions in the Los Angeles Basin Using Remote Sensing Spectroscopy at CLARS, from March 2019 to February 2021, budget: 300K USD, PI: Stanley Sander, status: finished. Project report available at：https://ww2.arb.ca.gov/sites/default/files/2021-07/17RD030.pdf

[2] The Chinese University of Hong Kong, Direct Grant for Research, no.: 4052123, title: Improving Mangrove Species Discrimination with Sophisticated Texture Information using Very High Resolution Optical Satellite Imagery, from May 2016 to April 2017, budget: 79,500 HKD, PI: Hongsheng Zhang, status: finished.

[1] Member of UCLA JIFRESSE Summer Intern Program (JSIP) Committee, 2020-2021.

URL: https://jifresse.ucla.edu/people/jsip-committee

[2] AGU 2020 Session Convener: Advances in observation to constrain aerosol radiative forcing with Prof. Jing Li and Prof. Yuk L. Yung

URL: https://agu.confex.com/agu/fm20/webprogrampreliminary/Session103033.html

[3] Review Editor & Guest Associate Editor (Editorial Board) for Frontier in Remote Sensing URL:

https://www.frontiersin.org/

[4] Guest Editor for Remote Sensing special issue: Remote Sensing of Air Pollutants and Carbon Emissions in Megacities (April 2020 – May 2021)

URL: https://www.mdpi.com/journal/remotesensing/special_issues/Pollutants_Megacities

[1] Measurements of atmospheric HDO/H₂O in southern California from CLARS-FTS. NASA-JPL Tropospheric Composition Group Meeting. March 08, 2021.

[2] Observation constrained methane emissions in Los Angeles in the 2010s. Caltech GPS Lunch Seminar. March 24, 2020. http://web.gps.caltech.edu/seminars/yly_seminar/

[3] Reduction and recovery of carbon monoxide enhancement in Los Angeles during COVID-19, Caltech 2020 KISS Virtual Workshop “COVID-19: Identifying Unique Opportunities for Earth System Science”. April-December, 2020.

[4] Next-Generation Approach for Detecting Climate-Carbon Feedbacks: Space-Based Integration of Carbonyl Sulfide (OCS), CO2, and Solar Induced Fluorescence (SIF), September 18-22, 2017, California Institute of Technology, http://kiss.caltech.edu/workshops/OCS/OCS.html#List

[5] Aerosol scattering properties over the LA basin inferred from CLARS-FTS, Caltech GPS Lunch Seminar, 30 May 2017, http://web.gps.caltech.edu/seminars/yly_seminar/past/2017.htm

Full publication list：https://www.researchgate.net/profile/Zhao-Cheng-Zeng

 Year of 2022：

Zeng, Z.-C.*, O. Addington, T. Pongetti, R. Herman, K. Sung, S. Newman, A. Schneider, T. Borsdorff, Y. L. Yung, and S. P. Sander (2021), Measurements of atmospheric HDO in southern California from CLARS-FTS observations, minor revision, Journal of Quantitative Spectroscopy and Radiative Transfer, preprint: https://doi.org/10.1002/essoar.10506339.1

Chen, S., V Natraj, Zeng, Z.-C., and Yung, Y. L.. (2021). Machine learning-based aerosol characterization using oco-2 o2 a-band observations, Journal of Quantitative Spectroscopy and Radiative Transfer, https://doi.org/10.1016/j.jqsrt.2021.108049

Year of 2021：

Zeng, Z.-C.*, B. Byrne*, F.-Y. Gong , Z. He , L. Lei (2021), Correlation between paddy rice growth and satellite-observed methane column abundance does not imply causation, Nature Communication, https://doi.org/10.1038/s41467-021-21434-7.

Zeng, Z.-C. and S. P. Sander (2021), Quantifying Trends in Methane, Nitrous Oxide, and Carbon Monoxide Emissions in the Los Angeles Basin Using Remote Sensing Spectroscopy at CLARS: Final Report, California Air Resources Board, Project summary: https://www.arb.ca.gov/research/single-project.php?row_id=68807; Final report available at https://ww2.arb.ca.gov/sites/default/files/2021-07/17RD030.pdf

Zeng, Z.-C.*, V. Natraj, F. Xu, S.Chen, F.-Y. Gong, T. Pongetti, K. Sung, G. Toon, S. P. Sander, and Y. L. Yung (2021), GFIT3: A full physics retrieval algorithm for remote sensing of greenhouse gases in the presence of aerosols, Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-14-6483-2021, 2021.

Wang, H.#, F.-Y. Gong, S. Newman, and Z.-C. Zeng* (2021), Consistent weekly cycles of atmospheric NO₂, CO, and CO₂ in a North American megacity from ground-based, mountaintop, and satellite measurements, Atmospheric Environment, https://doi.org/10.1016/j.atmosenv.2021.118809.

O. Addington#, Z.-C. Zeng, T. Pongetti, R.-L. Shia, Y. L. Yung, and S. P. Sander (2021), Estimating Nitrous Oxide (N₂O) Emissions for the Los Angeles Megacity using CLARS-FTS observations, Remote Sensing of Environment, https://doi.org/10.1016/j.rse.2021.112351.

Campbell, Elliott and Fisher, Joshua and Kuai, Le and Yung, Yuk L. and Baker, Ian and Berry, Joe and Bowman, Kevin and Commane, Róisín and Frankenberg, Christian and Liu, Junjie and Magney, Troy and Marshall, Julia and Miller, Charles E. and Noone, David and Parazoo, Nicholas and Ryu, Youngryel and Saleska, Scott and Schimel, David and Seibt, Ulrike and Stinecipher, James and Sun, Wu and Sun, Ying and Toon, Geoffrey and Wang, Yutang and Wennberg, Paul and Whelan, Mary E. and Worden, John and Zeng, Zhao-Cheng (2021) Detecting Climate-Carbon Feedbacks: Next-Generation Approach for Space-Based Integration of OCS, CO₂, and SIF. , Pasadena, CA.  https://resolver.caltech.edu/CaltechAUTHORS:20210813-163903875

Natraj, V. M. Luo, J.-F. Blavier, V. Payne, J. Neu, Z.-C. Zeng, S. Kulawik, L. Wu, J. Roman, D. Posselt, S. Sander, Y.-H. Wu, L. Dorsky (2021), Simulated Multispectral Temperature and Atmospheric Composition Retrievals for the GEO-IR Sounder, Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-15-1251-2022.

Jongaramrungruang, S., G. Matheou, A. K. Thorpe, Z.-C. Zeng, and C. Frankenberg (2021), Remote sensing of methane plumes: instrument tradeoff analysis for detecting and quantifying local sources at global scale, Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-2021-205.

Joshua L. Laughner, Jessica L. Neu, David Schmiel, Paul O. Wennberg, Kelley Barsanti, Kevin Bowman, Abhishek Chatterjee, Bart Croes, Helen Fitzmauric, Daven Henze, Jinsol Kim, Eric Kort, Zhu Liu, Kazuyuki Miyazaki, Alexander J. Turner, Susan Anenberg, Jeremy Avise, Hansen Cao, David Crisp, Joost de Gouw, Annmarie Eldering, John Fyfe, Dan Goldberg, Sina Hasheminassab, Francesca Hopkin, Cesunica E. Ivey, Nicole S. Lovenduski, Randall V. Martin, Galen A. McKinley, Leslie Ott, Benjamin Poulter, Muye Ru, Stanley P. Sander, Neil Swart, Yuk L. Yung, Zhao-Cheng Zeng, and the rest of the Keck Institute for Space Studies “COVID-19: Identifying Unique Opportunities for Earth System Science” study team (2021), Societal shifts due to COVID-19 reveal large-scale complexities and feedbacks between atmospheric chemistry and climate change, Proceedings of the National Academy of Sciences of the United States of America (PNAS), 2021,118(46),e2109481118, https://doi.org/10.1073/pnas.2109481118.

Year of 2020：

Zeng, Z.-C.*, Y. Wang, T. Pongetti, F.-Y. Gong, S. Newman, Y. Li, V. Natraj, R.-L. Shia, Yuk L. Yung, and Stanley P. Sander (2020), Tracking the Atmospheric Pulse of a North American Megacity from a Mountaintop Remote Sensing Observatory, Remote Sensing of Environment, https://doi.org/10.1016/j.rse.2020.112000.

Zeng, Z.-C*., S. Chen#, V. Natraj, T. Le, F. Xu, A. Merrelli, D. Crisp, S. P. Sander, and Y. L. Yung (2020), Constraining the vertical distribution of coastal dust aerosol using OCO-2 O2 A-band measurements, Remote Sensing of Environment, http://doi.org/10.1016/j.rse.2019.111494.

Zeng, Z.-C.*, F. Xu, V. Natraj, T. J. Pongetti, R.-L. Shia, Q. Zhang, S. P. Sander, and Y. L. Yung (2020), Remote sensing of angular-dependent scattering of aerosols in a North American megacity, Remote Sensing of Environment, https://doi.org/10.1016/j.rse.2020.111760.

Rooney, B., Wang, Y., Jiang, J. H., Zhao, B., Zeng, Z.-C., and Seinfeld, J. H. (2020), Air Quality Impact of the Northern California Camp Fire of November 2018, Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-20-14597-2020.

Y. Huang, V. Natraj, Z.-C. Zeng, P. Kopparla, and Y. L. Yung (2020), Quantifying the impact of aerosol scattering on the retrieval of methane from airborne remote sensing measurements, Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-13-6755-2020.

Year of 2019 and before：

He, L.#, Z.-C. Zeng#, T. J. Pongetti, C. Wong, J. Liang, K. Gurney, S. Newman, V. Yadav, K. Verhulst, C. Miller, R. Duren, C. Frankenberg, P. O. Wennberg, R.-L. Shia, Y. L. Yung and S. P. Sander (2019), Atmospheric methane emissions correlate with natural gas consumption from residential and commercial sectors in Los Angeles, Geophysical Research Letters, https://doi.org/10.1029/2019GL083400.

Toon, G., C. C. Liebe, B. Nemati, I. Harris, A. Kleinböhl, M. Allen, V. Hipkin, J. Drummond, M.-A. Soucy, Y. L. Yung, Z.-C. Zeng, D. Wunch, P. Wennberg (2018), Solar Occultation FTIR spectrometry at Mars: A Sensitivity Study, AGU: Earth and Space Science, https://doi.org/10.1029/2018EA000469

Zeng, Z.-C.*, V. Natraj, F. Xu, T. J. Pongetti, R.-L. Shia, E. A. Kort, G. C. Toon, S. P. Sander, and Y. L. Yung (2018), Constraining Aerosol Vertical Profile in the Boundary Layer Using Hyperspectral Measurements of Oxygen Absorption. Geophysical Research Letters, https://doi.org/10.1029/2018GL079286.

Bie, N., Lei, L., Z.-C. Zeng, Cai, B., Yang, S., He, Z., Wu, C., and Nassar, R. (2018). Regional uncertainty of GOSAT XCO2 retrievals in China: Quantification and attribution, Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-2017-237.

Zeng, Z.-C*., Q. Zhang, V. Natraj, J. Margolis, R.-L. Shia, S. Newman, D. Fu, T. J. Pongetti, K. W. Wong, S. P. Sander, P. O. Wennberg, and Y. L. Yung (2017), Aerosol Scattering Effects on Water Vapor Retrievals over the Los Angeles Basin, Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-2016-490.

Zeng, Z.-C.*, L. Lei, K. Strong, D. B. A. Jones, L. Guo, M. Liu, F. Deng, N. M. Deutscher, M. K. Dubey, D. W. T. Griffith, F. Hase, B. Henderson, R. Kivi, R. Lindenmaier, I. Morino, J. Notholt, H. Ohyama, C. Petri, R. Sussmann, V. Velazco, P. O. Wennberg, and H. Lin (2017), Global land mapping of satellite-observed CO₂ total columns using spatio-temporal geostatistics, International Journal of Digital Earth, 10(4), 426-456, https://doi.org/10.1080/17538947.2016.1156777.

Byrne, B., D. Jones, K. Strong, Z.-C. Zeng, F. Deng, and J. Liu (2017), Sensitivity of CO₂ Surface Flux Constraints to Observational Coverage, Journal of Geophysical Research-Atmosphere, https://doi.org/ 10.1002/2016JD026164.

Liu, M.#, L. Lei, D. Liu, and Z.-C. Zeng* (2016), Geo-Statistical Analysis of CH₄ Columns over Monsoon Asia Using Five Years of GOSAT Observations, Remote Sensing, 8(5), 361, https://doi.org/10.3390/rs8050361.

Zeng, Z.-C., L. Lei, S. Hou, F. Ru, X. Guan, and B. Zhang (2014), A Regional Gap-Filling Method Based on Spatio-temporal Variogram Model of CO₂ Columns, IEEE Transactions on Geoscience and Remote Sensing, Vol. 52, No. 5, https://doi.org/10.1109/TGRS.2013.2273807.

Zeng, Z.-C., L. Lei, L. Guo, L. Zhang, and B. Zhang (2013), Incorporating Temporal Variability to Improve Geostatistical Analysis of Satellite-Observed CO₂ in China, Chinese Science Bulletin, Vol. 58, No. 16, https://doi.org/10.1007/s11434-012-5652-7.