Climate CT- Cloud Tomography by Satellites for Better Climate Prediction

Transitions in stochastic non-equilibrium systems: Efficient reduction and analysis

Author(s): M. D. Chekroun, H. Liu, J. C. McWilliams, and S. Wang
Published in: Journal of Differential Equations, Issue monthly, 346, 2023, Page(s) 145– 204, ISSN 1090-2732
Publisher: Elsevier
DOI: 10.1016/j.jde.2022.11.025

Allowed and forbidden zones in a Lightning-strokes spatio-temporal differential space

Author(s): Y. B. Ami, O. Altaratz, I. Koren, and Y. Yair
Published in: Environmental Research Communications, Issue monthly, 4.3, 2022, ISSN 2515-7620
Publisher: IOPScience
DOI: 10.1088/2515-7620/ac5ec2

Faint yet widespread glories reflect microphysics of marine clouds

Author(s): I. Koren, A. Kostinski, U. Wollner, and D. Dubrovin
Published in: NPJ climate and atmospheric science, Issue monthly, 5.1, 2022, ISSN 2397-3722
Publisher: Springer Nature group
DOI: 10.1038/s41612-022-00312-z

Record-breaking aerosol levels explained by smoke injection into the stratosphere

Author(s): Eitan Hirsch, Ilan Koren
Published in: Science, Issue 371/6535, 2021, Page(s) 1269-1274, ISSN 0036-8075
Publisher: American Association for the Advancement of Science
DOI: 10.1126/science.abe1415

Convective Steady State in Shallow Cloud Fields

Author(s): Tom Dror, Ilan Koren, Huan Liu, Orit Altaratz
Published in: Physical Review Letters, Issue 131, 2025, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.131.134201

Longwave radiative effect of the cloud twilight zone

Author(s): Eshkol Eytan, Ilan Koren, Orit Altaratz, Alexander B. Kostinski, Ayala Ronen
Published in: Nature Geoscience, Issue 13/10, 2020, Page(s) 669-673, ISSN 1752-0894
Publisher: Nature Publishing Group
DOI: 10.1038/s41561-020-0636-8

ALiDAn: Spatiotemporal and Multiwavelength Atmospheric Lidar Data Augmentation

Author(s): Adi Vainiger; Omer Shubi; Yoav Y. Schechner; Zhenping Yin; Holger Baars; Birgit Heese; Dietrich Althausen
Published in: IEEE Transactions on Geoscience and Remote Sensing, Issue Volume: 60, 2022, ISSN 0196-2892
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tgrs.2022.3201436

Plankton reconstruction through robust statistical optical tomography

Author(s): Roi Ronen, Yacov Attias, Yoav Y. Schechner, Jules S. Jaffe, and Eric Orenstein
Published in: Journal of the Optical Society of America A, Issue 15208532, 2021, ISSN 1520-8532
Publisher: Optica Publishing Group
DOI: 10.1364/josaa.423037

Spectral Differencing of Glories Reflects Cloud Droplet Size Distribution

Author(s): Ilan Koren, Alex Kostinski, Uri Wollner
Published in: Geophysical Research Letters, Issue 51, 2025, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2024gl110631

Distinct Mixing Regimes in Shallow Cumulus Clouds

Author(s): Yael Arieli, Eshkol Eytan, Orit Altaratz, Alexander Khain, Ilan Koren
Published in: Geophysical Research Letters, Issue 51, 2025, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2023gl105746

Image compression optimized for 3D reconstruction by utilizing deep neural networks

Author(s): Alex Golts, Yoav Y. Schechner
Published in: Journal of Visual Communication and Image Representation, Issue 23318422, 2021, ISSN 2331-8422
Publisher: Elsevier
DOI: 10.1016/j.jvcir.2021.103208

Revisiting adiabatic fraction estimations in cumulus clouds: high-resolution simulations with a passive tracer

Author(s): Eshkol Eytan, Ilan Koren, Orit Altaratz, Mark Pinsky, and Alexander Khain
Published in: Atmos. Chem. Phys, 2021, ISSN 1680-7324
Publisher: Copernicus Publications
DOI: 10.5194/acp-21-16203-2021

Efficient reduction for diagnosing Hopf bifurcation in delay differential systems: Applications to cloud-rain models

Author(s): Mickaël D. Chekroun, Ilan Koren, Honghu Liu
Published in: Chaos: An Interdisciplinary Journal of Nonlinear Science, Issue 30/5, 2020, Page(s) 053130, ISSN 1054-1500
Publisher: American Institute of Physics
DOI: 10.1063/5.0004697

On the Abundance and Common Properties of Continental, Organized Shallow (Green) Clouds

Author(s): Tom Dror, Ilan Koren, Orit Altaratz, Reuven H. Heiblum
Published in: IEEE Transactions on Geoscience and Remote Sensing, 2020, Page(s) 1-9, ISSN 0196-2892
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tgrs.2020.3023085

Cloud characterization by computed tomography methods using a satellite formation of 10 small satellites for improved climate prediction

Author(s): Lisa Elsner, Timon Petermann, Johannes Dauner, Jonas-Julian Jensen, Alexander Kleinschrodt, Ilham Mammadov, Orit Altaratz, Vadim Holodovsky, Alex Frid, Ilan Koren, Yoav Schechner, Klaus Schilling
Published in: Acta Astronautica, Issue 236, 2025, Page(s) 251-262, ISSN 0094-5765
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.actaastro.2025.06.053

Record-breaking statistics detect islands of cooling in a sea of warming

Author(s): E. T. Sena, I. Koren, O. Altaratz, and A. B. Kostinski.
Published in: Atmospheric chemistry and physics, Issue monthly, 22.24, 2022, Page(s) 16111–16122, ISSN 1680-7316
Publisher: European Geophysical Society
DOI: 10.5194/acp-22-16111-2022

Generic generation of noise-driven chaos in stochastic time delay systems: Bridging the gap with high-end simulations

Author(s): M. D. Chekroun, I. Koren, H. Liu, and H. Liu
Published in: Science advances, Issue monthly, 8.46, 2022, ISSN 2375-2548
Publisher: American Association for the Advancement of Science
DOI: 10.1126/sciadv.abq7137

Opposing trends of cloud coverage over land and ocean under global warming

Author(s): H. Liu, I. Koren, O. Altaratz, and M. D. Chekroun
Published in: Atmospheric Chemistry and Physics, Issue monthly, 23.11, 2023, ISSN 1680-7324
Publisher: Copernicus Publications
DOI: 10.5194/acp-23-6559-2023

Uncovering the Large-Scale Meteorology That Drives Continental, Shallow, Green Cumulus Through Supervised Classification

Author(s): T. Dror, V. Silverman, O. Altaratz, M. D. Chekroun, and I. Koren
Published in: Geophysical research letters, Issue monthly, 49.8, 2022, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2021gl096684

Cloud Versus Void Chord Length Distributions (LvL) as a Measure for Cloud Field Organization

Author(s): Ilan Koren, Tom Dror, Orit Altaratz, Mickaël D. Chekroun
Published in: Geophysical Research Letters, Issue 51, 2024, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2024gl108435

Reduced-order models for coupled dynamical systems: Data-driven methods and the Koopman operator

Author(s): Manuel Santos Gutiérrez, Valerio Lucarini, Mickaël D. Chekroun, Michael Ghil
Published in: Chaos: An Interdisciplinary Journal of Nonlinear Science, Issue 31/5, 2021, Page(s) 053116, ISSN 1054-1500
Publisher: American Institute of Physics
DOI: 10.1063/5.0039496

Observed decreasing trend in the upper-tropospheric cloud top temperature

Author(s): Huan Liu, Ilan Koren, Orit Altaratz
Published in: npj Climate and Atmospheric Science, Issue 6, 2023, ISSN 2397-3722
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s41612-023-00465-5

Effective reduced models from delay differential equations: Bifurcations, tipping solution paths, and ENSO variability

Author(s): Mickaël D. Chekroun, Honghu Liu
Published in: Physica D: Nonlinear Phenomena, Issue 460, 2024, Page(s) 134058, ISSN 0167-2789
Publisher: Elsevier BV
DOI: 10.1016/j.physd.2024.134058

The high-frequency and rare events barriers to neural closures of atmospheric dynamics

Author(s): Mickaël D Chekroun, Honghu Liu, Kaushik Srinivasan, James C McWilliams
Published in: Journal of Physics: Complexity, Issue 5, 2024, Page(s) 025004, ISSN 2632-072X
Publisher: IOP Publishing
DOI: 10.1088/2632-072x/ad3e59

Using Zodiacal Light For Spaceborne Calibration Of Polarimetric Imagers

Author(s): Or Avitan, Yoav Y. Schechner, Ehud Behar
Published in: IEEE Transactions on Pattern Analysis and Machine Intelligence, Issue 27 July 2023, 2023, Page(s) 1-12, ISSN 0162-8828
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tpami.2023.3299526

Variable imaging projection cloud scattering tomography

Author(s): R. Ronen, V. Holodovsky, Y. Y. Schechner
Published in: IEEE Transactions on Pattern Analysis and Machine Intelligence, 2022, Page(s) 1-12, ISSN 0162-8828
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tpami.2022.3195920

Multi-View Polarimetric Scattering Cloud Tomography and Retrieval of Droplet Size

Author(s): Aviad Levis, Yoav Y. Schechner, Anthony B. Davis, Jesse Loveridge
Published in: Remote Sensing, Issue 12/17, 2020, Page(s) 2831, ISSN 2072-4292
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/rs12172831

Non-Markovian reduced models to unravel transitions in non-equilibrium systems

Author(s): Mickaël D Chekroun, Honghu Liu, James C McWilliams
Published in: Journal of Physics A: Mathematical and Theoretical, Issue 58, 2025, Page(s) 045204, ISSN 1751-8113
Publisher: Institute of Physics Publishing
DOI: 10.1088/1751-8121/ada7ad

Deciphering organization of GOES-16 green cumulus through the empirical orthogonal function (EOF) lens

Author(s): Tom Dror, Mickaël D. Chekroun, Orit Altaratz, Ilan Koren
Published in: Atmospheric Chemistry and Physics, Issue 21/16, 2021, Page(s) 12261-12272, ISSN 1680-7324
Publisher: EGU publications
DOI: 10.5194/acp-21-12261-2021

Not as random: the stable dynamics controlling shallow convective clouds

Author(s): Ilan Koren, Tom Dror, Elizabeth-Ruth Shehter, Orit Altaratz
Published in: npj Climate and Atmospheric Science, Issue 8, 2025, ISSN 2397-3722
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s41612-025-00924-1

Gibbs states and Brownian models for coexisting haze and cloud droplets

Author(s): Manuel Santos Gutiérrez, Mickaël David Chekroun, Ilan Koren
Published in: Science Advances, Issue 10, 2024, ISSN 2375-2548
Publisher: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/sciadv.adq7518

Settings for space-borne 3-D scattering tomography of liquid-phase clouds by the CloudCT mission

Author(s): M. Tzabari, V. Holodovsky, O. Shubi, E. Eytan, I. Koren, Y. Y. Schechner,
Published in: IEEE Transactions on Geoscience and Remote Sensing, Issue Volume: 60, 2022, ISSN 0196-2892
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tgrs.2022.3198525

The Role of the Toroidal Vortex in Cumulus Clouds' Entrainment and Mixing

Author(s): Eshkol Eytan, Yael Arieli, Alexander Khain, Orit Altaratz, Mark Pinsky, Ehud Gavze, Ilan Koren
Published in: Journal of Geophysical Research: Atmospheres, Issue 129, 2025, ISSN 2169-897X
Publisher: American Geophysical Union (AGU)
DOI: 10.1029/2023jd039493

Shallow cumulus properties as captured by adiabatic fraction in high-resolution LES simulations

Author(s): E. Eytan, A. Khain, M. Pinsky, O. Altaratz, J. Shpund, and I. Koren
Published in: Journal of the atmospheric sciences, Issue monthly, 79.2, 2022, Page(s) 409–428, ISSN 0022-4928
Publisher: American Meteorological Society
DOI: 10.1175/jas-d-21-0201.1

Tomography of Turbulence Strength Based on Scintillation Imaging

Author(s): Nir Shaul, Yoav Schechner
Published in: ECCV 2022: Computer Vision – ECCV 2022, Issue LNCS, volume 13667, 2022, Page(s) 470–486, ISBN 978-3-031-20070-0
Publisher: Springer, Cham
DOI: 10.1007/978-3-031-20071-7_28

3D cloud tomography and droplet size retrievalfrom multi-angle polarimetric imaging of scattered sunlightfrom above

Author(s): Aviad Levis, Anthony B. Davis, Jesse R. Loveridge, Yoav Y. Schechner
Published in: SPIE, Proceedings Volume 11833, Polarization Science and Remote Sensing X, 2021
Publisher: SPIE
DOI: 10.1117/12.2593369

3DeepCT: Learning Volumetric Scattering Tomography of Clouds

Author(s): Yael Sde-Chen, Yoav Y. Schechner, Vadim Holodovsky, Eshkol Eytan
Published in: IEEE/CVF International Conference on Computer Vision (ICCV), 2021
Publisher: IEEE Xplore
DOI: 10.1109/iccv48922.2021.00562

3D volumetric tomography of in-lab cloud-cells

Author(s): Masada Tzabari, Vadim Holodovsky, Yoav Y Schechner, Noa Raifler, Ofer Yaron, Omer Shubi, Tamar Klein and Liam Hazan
Published in: International Radiation Symposium 2022, 2022, Page(s) Paper 426
Publisher: International Radiation Commission

THE CLOUDCT FORMATION OF 10 NANO-SATELLITES FOR COMPUTED TOMOGRAPHY TO IMPROVE CLIMATE PREDICTIONS

Author(s): M. von Arnim, I. Mammadov, L. Draschka, J. Scharnagl, K. Schilling
Published in: Proceedings of the International Astronautical Congress, IAC, Issue Vol. 2022-September, 2022
Publisher: IAC

Cloud Characterization by Computed Tomography Methods using a Satellite Formation of 10 Small Satellites for Improved Climate Prediction

Author(s): Lisa Elsner, Alexander Kleinschrodt, Timon Petermann, Ilham Mammadov, Orit Altaratz, Vadim Holodovsky, Alex Frid, Ilan Koren, Yoav Schechner, Klaus Schilling
Published in: IAF Earth Observation Symposium, 2025, Page(s) 485-492
Publisher: International Astronautical Federation (IAF)
DOI: 10.52202/078362-0063

CloudCT 3D volumetric tomography

Author(s): Vadim Holodovsky, Masada Tzabari, Yoav Y Schechner, Eshkol Eytan, Orit Altaratz, Ilan Koren and Klaus Schilling
Published in: International Radiation Symposium 2022, 2022, Page(s) Paper 317
Publisher: International Radiation Commission

Vicarious spaceborne polarimetric camera calibration using solar power stations

Author(s): Yannick Bertschy, Yoav Y Schechner
Published in: SPIE - Proceedings Volume 12112, Polarization: Measurement, Analysis, and Remote Sensing XV, Issue 12112, 2022, ISSN 0277-786X
Publisher: SPIE digital library
DOI: 10.1117/12.2622496

CloudCT 3D volumetric tomography: considerations for imager preference, comparing visible light, short-wave infrared, and polarized imagers

Author(s): Masada Tzabari, Vadim Holodovsky, Omer Shubi, Eshkol Eytan, Orit Altaratz, Ilan Koren, Anna Aumann, Klaus Schilling, Yoav Y. Schechner
Published in: SPIE, Proceedings Volume 11833, Polarization Science and Remote Sensing X, 2021
Publisher: SPIE
DOI: 10.1117/12.2594134

Retrieving 3D microphysical properties of shallow clouds with nanosatellites flying in formation

Author(s): L. Draschka, P. D. Kremmydas, J. Scharnagl, K. Schilling, M. Tzabari, V. Holodovsky, Y. Schechner, O. Altaratz, I. Koren
Published in: 72th International Astronautical Congress, IAC, 2021
Publisher: IAC

The Atmospheric Lidar Data Augmentation (ALiDAn) framework

Author(s): Adi Vainiger, Omer Shubi, Yoav Schechner, Yin Zhenping, Holger Baars, Birgit Heese, and Dietrich Althausen
Published in: International Radiation Symposium 2022, 2022, Page(s) Paper 417
Publisher: International Radiation Commission

Towards learning-based spatiotemporal lidar analysis aided by the Atmospheric Lidar Data Augmentation (ALiDAn) framework

Author(s): Adi Vainiger, Omer Shubi, Yoav Schechner, Yin Zhenping, Holger Baars, Birgit Heese, and Dietrich Althausen
Published in: International Radiation Symposium 2022, 2022, Page(s) Paper 421
Publisher: International Radiation Commission

4D Cloud Scattering Tomography

Author(s): Roi Ronen, Yoav Y. Schechner, Eshkol Eytan
Published in: IEEE/CVF International Conference on Computer Vision (ICCV), 2021
Publisher: IEEE
DOI: 10.1109/iccv48922.2021.00547

Spatiotemporal Optical Tomography of Cloud Micro-physics by Overying or Orbiting Cameras

Author(s): R. Ronen, Y. Y. Schechner, E. Eytan
Published in: International Radiation Symposium 2022, 2022, Page(s) Paper 150
Publisher: International Radiation Commission

CloudCT: 10 COOPERATING NANO-SATELLITES TO CHARACTERIZE THE INTERIOR OF CLOUDS

Author(s): Klaus Schilling, Yoav Schechner, Ilan Koren
Published in: Proceedings The 4S Symposium 2022, Issue paper 176, 2022
Publisher: S4

The CloudCT Nano-Satellite Formation to Characterize the Interior of Clouds for Improved Climate Prediction

Author(s): J. Scharnagl, K. Schilling
Published in: 11th International Workshop on Satellite Constellations & Formation Flying, Issue June 7-10, 2022
Publisher: IWSCFF

Computed tomography by a formation of ten CubeSats to characterize cloud composition

Author(s): Alexander Kleinschrodt, Johannes Dauner, Jonas-Julian Jensen, Lisa Elsner, Prachit Kamble, Ilham Mammadov, Klaus Schilling
Published in: Small Satellites Systems and Services Symposium (4S 2024), 2025, Page(s) 70
Publisher: SPIE
DOI: 10.1117/12.3061762

Supervised Learning Calibration of an Atmospheric Lidar

Author(s): Adi Vainiger, Omer Shubi,Yoav Y. Schechner, Yin Zhenping, Holger Baars, Birgit Heese, Dietrich Althausen
Published in: IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, 2022
Publisher: IEEE
DOI: 10.1109/igarss46834.2022.9883078

Formations of Small Satellites

Author(s): Klaus Schilling
Published in: Nanosatellites: Space and Ground Technologies, Operations and Economics, 2020, ISBN 978-1-119-04204-4
Publisher: John Wiley & Sons

ESTNeT: a discrete event simulator for space-terrestrial networks

Author(s): A. Freimann, M. Dierkes, T. Petermann, C. Liman, F. Kempf, K. Schilling
Published in: CEAS Space Journal, Issue 13/1, 2021, Page(s) 39-49, ISSN 1868-2502
Publisher: Springer Verlag
DOI: 10.1007/s12567-020-00316-6

Optimal management of harvested population at the edge of extinction

Author(s): Chekroun, Mickaël D.; Liu, Honghu
Published in: Issue 5, 2020
Publisher: AIMS Applied Mathematics Book series

Advances in 3D scattering tomography of cloud micro-physics

Author(s): Masada Tzabari, Vadim Holodovsky, Omer Shubi, Eitan Eshkol, Yoav Y. Schechner
Published in: arXiv, 2021
Publisher: arXiv
DOI: 10.48550/arxiv.2103.10305

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