课题组研究聚焦于大气遥感的两个基础方向:大气辐射传输和大气定量遥感反演。
课题组项目网站:
http://fengyun.pku.edu.cn/
五篇代表性著作:
[1] Zeng, Z.-C.*, T. Pongetti, S. Newman, T. Oda, K. Gurney, P. I. Palmer, Y. L. Yung, and S. P. Sander* (2023), Decadal decrease in Los Angeles methane emissions is much smaller than bottom-up estimates, Nature Communications, 14, 5353, https://doi.org/10.1038/s41467-023-40964-w.
论文简介:利用温水气体遥感观测数据揭示了洛杉矶超大城市甲烷排放的多年趋势变化规律。
[Highlight by Caltech News and Universities Space Research Association News]
a) https://www.caltech.edu/about/news/methane-emissions-in-la-are-decreasing-more-slowly-than-previously-estimated
b) https://newsroom.usra.edu/new-study-uncovers-slower-methane-emission-reduction-in-los-angeles-challenging-previous-estimates/
[2] 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. [PDF Download]
A full-physics algorithm was developed to retrieve greenhouse gases in the presence of aerosols from spectra of reflected solar radiation.
[3] Zeng, Z.-C.*, Y. Wang, T. Pongetti, F.-Y. Gong, S. Newman, Y. Li, V. Natraj, et al., (2020). Tracking the Atmospheric Pulse of a North American Megacity from a Mountain-top Remote Sensing Observatory, Remote Sensing of Environment, DOI: 10.1016/j.rse.2020.112000. [PDF Download]
Highlighted by JPL Science Division
We showed the interesting diurnal, weekly, and seasonal cycles of XCO excess in southern California.
[4] Zeng, Z.-C.*, Chen, S., Natraj, V., Le, T., Xu, F., Merrelli, A., Crisp, D., Sander, S.P. and Yung, Y.L., (2020). Constraining the vertical distribution of coastal dust aerosol using OCO-2 O2 A-band measurements. Remote Sensing of Environment, 236, 111494. DOI:10.1016/j.rse.2019.111494. [PDF Download]
Highlighted by JPL Science Division
A spectral-sorting approach to locate the aerosol layer is developed for OCO-2
[5] Zeng, Z.-C.*, Natraj, V., Xu, F., Pongetti, T.J., Shia, R.L., Kort, E.A., Toon, G.C., Sander, S.P. and Yung, Y.L., (2018). Constraining aerosol vertical profile in the boundary layer using hyperspectral measurements of oxygen absorption. Geophysical Research Letters, 45(19), 10-772. DOI:10.1029/2018GL079286. [PDF Download]
Highlighted by JPL Science Division
A novel method to detect the height of air pollutant layer in cities is proposed based on high resolution observation of oxygen absorption