Articles | Volume 16, issue 10
https://doi.org/10.5194/amt-16-2673-2023
https://doi.org/10.5194/amt-16-2673-2023
Research article
 | 
31 May 2023
Research article |  | 31 May 2023

Exploring geometrical stereoscopic aerosol top height retrieval from geostationary satellite imagery in East Asia

Minseok Kim, Jhoon Kim, Hyunkwang Lim, Seoyoung Lee, Yeseul Cho, Huidong Yeo, and Sang-Woo Kim

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Preprint under review for AMT
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Satellite-based, top-down approach for the adjustment of aerosol precursor emissions over East Asia: the TROPOspheric Monitoring Instrument (TROPOMI) NO2 product and the Geostationary Environment Monitoring Spectrometer (GEMS) aerosol optical depth (AOD) data fusion product and its proxy
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Cited articles

Chang, K.-E., Hsiao, T.-C., Tsay, S.-C., Lin, T.-H., Griffith, S. M., Liu, C.-Y., and Chou, C. C.-K.: Embedded information of aerosol type, hygroscopicity and scattering enhancement factor revealed by the relationship between PM2.5 and aerosol optical depth, Sci. Total Environ., 867, 161471, https://doi.org/10.1016/j.scitotenv.2023.161471, 2023. 
Chen, X., Wang, J., Xu, X. G., Zhou, M., Zhang, H. X., Garcia, L. C., Colarco, P. R., Janz, S. J., Yorks, J., McGill, M., Reid, J. S., de Graaf, M., and Kondragunta, S.: First retrieval of absorbing aerosol height over dark target using TROPOMI oxygen B band: Algorithm development and application for surface particulate matter estimates, Remote Sens. Environ., 265, 112674, https://doi.org/10.1016/j.rse.2021.112674, 2021. 
Chimot, J., Veefkind, J. P., Vlemmix, T., de Haan, J. F., Amiridis, V., Proestakis, E., Marinou, E., and Levelt, P. F.: An exploratory study on the aerosol height retrieval from OMI measurements of the 477 nm O2 – O2 spectral band using a neural network approach, Atmos. Meas. Tech., 10, 783–809, https://doi.org/10.5194/amt-10-783-2017, 2017. 
Choi, M., Sander, S. P., Spurr, R. J. D., Pongetti, T. J., van Harten, G., Drouin, B. J., Crisp, D., Eldering, A., Kalashnikova, O. V., Jiang, J. H., Hyon, J. J., and Fu, D.: Aerosol profiling using radiometric and polarimetric spectral measurements in the O2 near infrared bands: Estimation of information content and measurement uncertainties, Remote Sens. Environ., 253, 112179, https://doi.org/10.1016/j.rse.2020.112179, 2021. 
Chu, D. A., Szykman, J., Kittaka, C., Chin, M., Liu, H. C., Remer, L., Al-Saadi, J., and Winker, D.: Developing aerosol height product from MODIS and synergy of MODIS and CALIPSO measurement for global application, IGARSS 2008– 2008 IEEE Int. Geos. & Rem. Sens. Symposium, Boston, MA, US, 7–11 July 2008, IEEE, IV-303–IV-306, https://doi.org/10.1109/IGARSS.2008.4779718, 2008. 
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Short summary
Aerosol height information is important when seeking an understanding of the vertical structure of the aerosol layer and long-range transport. In this study, a geometrical aerosol top height (ATH) retrieval using a parallax of two geostationary satellites is investigated. With sufficient longitudinal separation between the two satellites, a decent ATH product could be retrieved.