Articles | Volume 16, issue 16
https://doi.org/10.5194/amt-16-3931-2023
https://doi.org/10.5194/amt-16-3931-2023
Research article
 | 
29 Aug 2023
Research article |  | 29 Aug 2023

Retrieving 3D distributions of atmospheric particles using Atmospheric Tomography with 3D Radiative Transfer – Part 2: Local optimization

Jesse Loveridge, Aviad Levis, Larry Di Girolamo, Vadim Holodovsky, Linda Forster, Anthony B. Davis, and Yoav Y. Schechner

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Retrieving 3D distributions of atmospheric particles using Atmospheric Tomography with 3D Radiative Transfer – Part 1: Model description and Jacobian calculation
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Cited articles

Abdoulaev, G. S., Ren, K., and Hielscher, A. H.: Optical tomography as a PDE-constrained optimization problem, Inverse Probl., 21, 1507–1530, https://doi.org/10.1088/0266-5611/21/5/002, 2005. 
Ahn, E., Huang, Y., Siems, S. T., and Manton, M. J.: A Comparison of Cloud Microphysical Properties Derived From MODIS and CALIPSO With In Situ Measurements Over the Wintertime Southern Ocean, J. Geophys. Res.-Atmos., 123, 11120–11140, https://doi.org/10.1029/2018JD028535, 2018. 
Alexandrov, M. D., Emde, C., Van Diedenhoven, B., and Cairns, B.: Application of Radon Transform to Multi-Angle Measurements Made by the Research Scanning Polarimeter: A New Approach to Cloud Tomography. Part I: Theory and Tests on Simulated Data, Front. Remote Sens., 2, 791130, https://doi.org/10.3389/frsen.2021.791130, 2021. 
Arridge, S. R. and Schotland, J. C.: Optical tomography: forward and inverse problems, Inverse Probl., 25, 123010, https://doi.org/10.1088/0266-5611/25/12/123010, 2009. 
Bal, G.: Introduction to inverse problems, University of Chicago, https://statistics.uchicago.edu/~guillaumebal/PAPERS/IntroductionInverseProblems.pdf (last access: 21 August 2023), 2012. 
Short summary
We test a new method for measuring the 3D spatial variations of water within clouds, using measurements of reflections of the Sun's light observed at multiple angles by satellites. This is a great improvement on older methods, which typically assume that clouds occur in a slab shape. Our study used computer modeling to show that our 3D method will work well in cumulus clouds, where older slab methods do not. Our method will inform us about these clouds and their role in our climate.
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