research overview
- My research interests encompass subgrid-scale parameterization for global ocean models, the development of new data assimilation methods, and the theory of geophysical fluid dynamics and turbulence.
- Contact Info
Grooms, Ian G
Positions
- Associate Professor, Applied Mathematics
Research Areas
Research
keywords
- applied mathematics, geophysical fluid dynamics, data assimilation
Publications
selected publications
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conference proceeding
- Turbulence Model Development Using Markov Chain Monte Carlo Approximate Bayesian Computation 2019
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Parameter Estimation using Wavelength Modulation Spectroscopy Temperature Measurements and Approximate Bayesian Computation.
EM3A.5-EM3A.5.
2018
- A Parameter Estimation for a Pulsating Turbulent Buoyant Jet Using Approximate Bayesian Computation 2017
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Parameter Estimation for a Turbulent Buoyant Jet with Rotating Cylinder Using Approximate Bayesian Computation
2017
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Parameter Estimation for a Turbulent Buoyant Jet using Approximate Bayesian Computation
2017
- Parameter Estimation for a Turbulent Buoyant Jet Using Approximate Bayesian Computation 2016
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journal article
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Balancing Backscatter and Diffusion in a 1/4° Forced Global Ocean Model.
Journal of Advances in Modeling Earth Systems.
2026
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Two‐step ensemble data assimilation on the simplex: Application to sea‐ice concentration.
Quarterly Journal of the Royal Meteorological Society.
2026
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Data assimilation with an integral-form ensemble square-root filter.
Journal of Computational Physics.
2025
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The Data Assimilation Research Testbed: A Robust, Scalable Software Facility with Groundbreaking Capabilities for Model-Data Integration.
Bulletin of The American Meteorological Society - (BAMS).
E2328-E2345.
2025
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Ekman-driven buoyancy flux in quasi-geostrophic flow.
Journal of Fluid Mechanics.
2025
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The Stochastic GM plus E Closure: A Framework for Coupling Stochastic Backscatter With the Gent and McWilliams Parameterization.
Journal of Advances in Modeling Earth Systems.
2025
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Cross-Attractor Transforms: Improving Forecasts by Learning Optimal Maps Between Dynamical Systems and Imperfect Models.
Geophysical Research Letters.
2025
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Asymptotic approximations for convection onset with Ekman pumping at low wavenumbers.
Journal of Fluid Mechanics.
2025
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The Averaged Hydrostatic Boussinesq Ocean Equations in Generalized Vertical Coordinates.
Journal of Advances in Modeling Earth Systems.
2024
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Parameterized Ekman boundary layers on the tilted f-plane.
Journal of Fluid Mechanics.
2024
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A Quantile-Conserving Ensemble Filter Based on Kernel-Density Estimation.
Remote Sensing.
2024
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CONTINUOUS AND DISCRETE BAROCLINIC MODES IN CONTINUOUSLY VARYING STRATIFICATION.
SIAM Journal on Applied Mathematics.
2502-2521.
2024
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Backscatter in energetically-constrained Leith parameterizations.
Ocean Modelling.
2023
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Comparing Two Parameterizations for the Restratification Effect of Mesoscale Eddies in an Isopycnal Ocean Model.
Journal of Advances in Modeling Earth Systems.
2023
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Impact of Stochastic Ocean Density Corrections on Air-Sea Flux Variability.
Geophysical Research Letters.
2023
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Analog ensemble data assimilation in a quasigeostrophic coupled model.
Quarterly Journal of the Royal Meteorological Society.
1018-1037.
2023
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Two Methods for Data Assimilation of Wind Direction.
Tellus, Series A: Dynamic Meteorology and Oceanography.
145-158.
2023
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Diagnosing Scale-Dependent Energy Cycles in a High-Resolution Isopycnal Ocean Model.
Journal of Physical Oceanography.
157-176.
2023
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Limits on the Rate of Conversion of Potential to Kinetic Energy in Quasigeostrophic Turbulence.
Fluids.
2022
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A comparison of nonlinear extensions to the ensemble Kalman filter Gaussian anamorphosis and two-step ensemble filters.
Computational Geosciences.
633-650.
2022
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Parameterizing the Impact of Unresolved Temperature Variability on the Large-Scale Density Field: 2. Modeling.
Journal of Advances in Modeling Earth Systems.
2022
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GCM-Filters: A Python Package for Diffusion-based Spatial Filtering of Gridded Data.
Journal of Open Source Software.
3947-3947.
2022
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Machine learning techniques to construct patched analog ensembles for data assimilation.
Journal of Computational Physics.
2021
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Multivariate localization functions for strongly coupled data assimilation in the bivariate Lorenz 96 system.
Nonlinear Processes in Geophysics.
565-583.
2021
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Diffusion-Based Smoothers for Spatial Filtering of Gridded Geophysical Data.
Journal of Advances in Modeling Earth Systems.
2021
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The fidelity of exponential and IMEX integrators for wave turbulence: Introduction of a new near-minimax integrating factor scheme (vol 434, 109992, 2021).
Journal of Computational Physics.
2021
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The fidelity of exponential and IMEX integrators for wave turbulence: Introduction of anew near-minimax integrating factor scheme.
Journal of Computational Physics.
2021
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A hybrid particle-ensemble Kalman filter for problems with medium nonlinearity.
PLoS ONE.
2021
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Multivariate localization functions for strongly coupled data; assimilation in the bivariate Lorenz ’96 system
2021
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Flow parameter estimation using laser absorption spectroscopy and approximate Bayesian computation.
Experiments in Fluids.
2021
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Analog ensemble data assimilation and a method for constructing analogs with variational autoencoders.
Quarterly Journal of the Royal Meteorological Society.
139-149.
2021
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On the control of subantarctic stratification by the ocean circulation.
Climate Dynamics.
299-327.
2021
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Parameterizing the Impact of Unresolved Temperature Variability on the Large-Scale Density Field: Part 1. Theory..
Journal of Advances in Modeling Earth Systems.
2020
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Vertical Structure of Ocean Mesoscale Eddies with Implications for Parameterizations of Tracer Transport.
Journal of Advances in Modeling Earth Systems.
2020
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On energy exchanges between eddies and the mean flow in quasigeostrophic turbulence.
Journal of Fluid Mechanics.
2020
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Rigorous bounds on the heat transport of rotating convection with Ekman pumping.
Journal of Mathematical Physics.
2020
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A FAST TUNABLE BLURRING ALGORITHM FOR SCATTERED DATA.
SIAM Journal on Scientific Computing.
A2281-A2299.
2020
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An eddifying Stommel model: fast eddy effects in a two-box ocean.
Geophysical and Astrophysical Fluid Dynamics.
505-526.
2019
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Energy-conserving Galerkin approximations for quasigeostrophic dynamics.
Journal of Computational Physics.
23-40.
2019
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Exact instantaneous optimals in the non-geostrophic Eady problem and the detrimental effects of discretization.
Theoretical and Computational Fluid Dynamics.
125-139.
2019
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Diagnosing, modeling, and testing a multiplicative stochastic Gent-McWilliams parameterization.
Ocean Modelling.
1-10.
2019
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Multiscale Models in Geophysical Fluid Dynamics.
Earth and Space Science.
668-675.
2018
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Parameter estimation for complex thermal-fluid flows using approximate Bayesian computation.
Physical Review Fluids.
2018
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Comparing Eddy-Permitting Ocean Model Parameterizations via Lagrangian Particle Statistics in a Quasigeostrophic Setting.
Journal of Geophysical Research (JGR): Oceans.
5637-5651.
2018
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Improving Particle Filter Performance by Smoothing Observations.
Monthly Weather Review.
2433-2446.
2018
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Some effects of horizontal discretization on linear baroclinic and symmetric instabilities.
Ocean Modelling.
106-116.
2018
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Assimilation of ocean sea-surface height observations of mesoscale eddies.
Chaos.
2017
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Simulations of eddy kinetic energy transport in barotropic turbulence.
Physical Review Fluids.
2017
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A note on 'Toward a stochastic parameterization of ocean mesoscale eddies'.
Ocean Modelling.
30-33.
2017
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The Effects of Mesoscale Ocean-Atmosphere Coupling on the Quasigeostrophic Double Gyre.
Fluids.
2016
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A Gaussian-product stochastic Gent-McWilliams parameterization.
Ocean Modelling.
27-43.
2016
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Investigations of non-hydrostatic, stably stratified and rapidly rotating flows.
Journal of Fluid Mechanics.
430-458.
2016
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On Galerkin Approximations of the Surface Active Quasigeostrophic Equations.
Journal of Physical Oceanography.
125-139.
2016
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A computational study of turbulent kinetic energy transport in barotropic turbulence on the f-plane.
Physics of Fluids.
2015
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Ensemble Filtering and Low-Resolution Model Error: Covariance Inflation, Stochastic Parameterization, and Model Numerics.
Monthly Weather Review.
3912-3924.
2015
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Asymptotic behavior of heat transport for a class of exact solutions in rotating Rayleigh-Benard convection.
Geophysical and Astrophysical Fluid Dynamics.
145-158.
2015
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A framework for variational data assimilation with superparameterization.
Nonlinear Processes in Geophysics.
601-611.
2015
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Bounds on heat transport in rapidly rotating Rayleigh-Benard convection.
Nonlinearity.
29-41.
2015
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NUMERICAL SCHEMES FOR STOCHASTIC BACKSCATTER IN THE INVERSE CASCADE OF QUASIGEOSTROPHIC TURBULENCE.
Multiscale Modeling and Simulation.
1001-1021.
2015
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Stochastic superparameterization in a quasigeostrophic model of the Antarctic Circumpolar Current.
Ocean Modelling.
1-15.
2015
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Submesoscale baroclinic instability in the balance equations.
Journal of Fluid Mechanics.
256-272.
2015
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Ensemble Kalman filters for dynamical systems with unresolved turbulence.
Journal of Computational Physics.
435-452.
2014
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New perspectives on superparameterization for geophysical turbulence.
Journal of Computational Physics.
60-77.
2014
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Stochastic superparameterization in quasigeostrophic turbulence.
Journal of Computational Physics.
78-98.
2014
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STOCHASTIC SUPERPARAMETERIZATION IN A ONE- DIMENSIONAL MODEL FOR WAVE TURBULENCE.
Communications in Mathematical Sciences.
509-525.
2014
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Mesoscale Eddy Energy Locality in an Idealized Ocean Model.
Journal of Physical Oceanography.
1911-1923.
2013
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Efficient stochastic superparameterization for geophysical turbulence.
Proceedings of the National Academy of Sciences of the United States of America.
4464-4469.
2013
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Multiscale models for synoptic-mesoscale interactions in the ocean.
Dynamics of Atmospheres and Oceans.
95-107.
2012
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Statistical and physical balances in low Rossby number Rayleigh-Benard convection.
Geophysical and Astrophysical Fluid Dynamics.
392-428.
2012
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Linearly implicit methods for nonlinear PDEs with linear dispersion and dissipation.
Journal of Computational Physics.
3630-3650.
2011
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On the interactions between planetary geostrophy and mesoscale eddies.
Dynamics of Atmospheres and Oceans.
109-136.
2011
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Model of Convective Taylor Columns in Rotating Rayleigh-Benard Convection.
Physical Review Letters.
2010
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MOLECULAR EMBEDDING VIA A SECOND ORDER DISSIMILARITY PARAMETERIZED APPROACH.
SIAM Journal on Scientific Computing.
2733-2756.
2009
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Balancing Backscatter and Diffusion in a 1/4° Forced Global Ocean Model.
Journal of Advances in Modeling Earth Systems.
2026
Background
education and training
- Ph.D., University of Colorado Boulder 2011
- B.S., College of William and Mary 2005
awards and honors
International Activities
geographic focus
- Australia Country
- Canada Country
- France Country
- United Kingdom Country