Publications

Publications are shown here in reversed chronological order. A list of publications sorted per topic can be found here.

Preprints

Numerical comparison of energy- versus circulation-preserving stochastic vortex dynamics
S. Ephrati and D.D. Holm (2026)

DOI PDF
Minimum-enstrophy solutions in topographic quasi-geostrophic flow on the rotating sphere
S. Ephrati and E. Jansson (2026)

DOI PDF
Trajectory learning for ensemble forecasts via the continuous ranked probability score: a Lorenz'96 case study
S. Ephrati and J. Woodfield (2025)

DOI PDF
Critical latitude in global quasi-geostrophic flow on a rotating sphere
A.D. Franken, E. Luesink, S. Ephrati and B.J. Geurts (2025)

DOI PDF
An exponential map free implicit midpoint method for stochastic Lie-Poisson systems
S. Ephrati , E. Jansson, A. Lang and E. Luesink (2024)

DOI PDF
Geometric derivation and structure-preserving simulation of quasi-geostrophy on the sphere
E. Luesink, A.D. Franken, S. Ephrati and B.J. Geurts (2024)

DOI PDF

Peer-Reviewed Articles

2026

Convergence of Zeitlin truncation for multilayer critical latitude predictions of quasi-geostrophic flow on an earth-like planet
A.D. Franken, S. Ephrati, E. Luesink and B.J. Geurts (2026)
J. Comput. Dyn.

DOI PDF

2025

Diffusive behavior of transport noise on S2
S. Ephrati, E. Jansson and A. Papini (2025)
J. Comput. Dyn.

DOI PDF
Thermal quasi-geostrophic model on the sphere: derivation and structure-preserving simulation
M. Roop and S. Ephrati (2025)
Phys. Fluids

DOI PDF
Probabilistic data-driven turbulence closure modeling by assimilating statistics
S. Ephrati (2025)
J. Comp. Phys.

DOI PDF
On spectral scaling laws for averaged turbulence on the sphere
S. Ephrati, E. Jansson and K. Modin (2025)
Physica D

DOI PDF
Casimir preserving numerical method for global multilayer geostrophic turbulence
A.D. Franken, E. Luesink, S. Ephrati and B.J. Geurts (2025)
J. Comp. Phys.

DOI PDF
Two minimal-variable symplectic integrators for stochastic spin systems
S. Ephrati and E. Jansson (2025)
Phys. Rev. E

DOI PDF
Continuous data assimilation closure for modeling statistically steady turbulence in large-eddy simulation
S. Ephrati, A.D. Franken, E. Luesink, P. Cifani and B.J. Geurts (2025)
Phys. Rev. Fluids

DOI PDF

2024

Casimir preserving stochastic Lie–Poisson integrators
E. Luesink, S. Ephrati, P. Cifani and B.J. Geurts (2024)
Adv. Contin. Discrete Models

DOI PDF

2023

Data-driven spectral turbulence modelling for Rayleigh–Bénard convection
S. Ephrati, P. Cifani and B.J. Geurts (2023)
J. Fluid Mech.

DOI PDF
Data-driven stochastic spectral modeling for coarsening of the two-dimensional Euler equations on the sphere
S. Ephrati, P. Cifani, M. Viviani and B.J. Geurts (2023)
Phys. Fluids

DOI PDF
Data-Driven Stochastic Lie Transport Modeling of the 2D Euler Equations
S. Ephrati, P. Cifani, E. Luesink and B. J. Geurts (2023)
J. Adv. Model. Earth Syst.

DOI PDF

2022

Computational modeling for high-fidelity coarsening of shallow water equations based on subgrid data
S. Ephrati, E. Luesink, G. Wimmer, P. Cifani and B.J. Geurts (2022)
Multiscale Model. Simul.

DOI PDF

Refereed Proceedings

Stochastic data-driven POD-based modeling for high-fidelity coarsening of two-dimensional Rayleigh-Bénard turbulence
S. Ephrati, P. Cifani and B.J. Geurts (2023)
ERCOFTAC Workshop Direct and Large Eddy Simulation

PDF
Sparse-Stochastic Model Reduction for 2D Euler Equations
P. Cifani, S. Ephrati, M. Viviani (2023)
Stochastic Transport in Upper Ocean Dynamics II (STUOD 2022)

DOI

Theses

Data-driven Stochastic Modeling for Coarsened Computational Geophysical Fluid Dynamics
S. Ephrati (2023)

PDF

↑ Back to top