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Colin James Grudzien
Colin James Grudzien
Senior Data Assimilation Scientist, Center for Western Weather and Water Extremes (CW3E)
Verified email at ucsd.edu - Homepage
Title
Cited by
Cited by
Year
Degenerate Kalman filter error covariances and their convergence onto the unstable subspace
M Bocquet, KS Gurumoorthy, A Apte, A Carrassi, C Grudzien, ...
SIAM/ASA Journal on Uncertainty Quantification 5 (1), 304-333, 2017
542017
Rank deficiency of Kalman error covariance matrices in linear time-varying system with deterministic evolution
KS Gurumoorthy, C Grudzien, A Apte, A Carrassi, CKRT Jones
SIAM Journal on Control and Optimization 55 (2), 741-759, 2017
29*2017
Data assimilation for chaotic systems
A Carrassi, C Grudzien, M Bocquet, J Demaeyer, P Raanes, S Vannitsem
Data assimilation for atmospheric, oceanic and hydrological applications, 2021
28*2021
Chaotic dynamics and the role of covariance inflation for reduced rank Kalman filters with model error
C Grudzien, A Carrassi, M Bocquet
Nonlinear Processes in Geophysics 25 (3), 633-648, 2018
272018
Asymptotic forecast uncertainty and the unstable subspace in the presence of additive model error
C Grudzien, A Carrassi, M Bocquet
SIAM/ASA Journal on Uncertainty Quantification 6 (4), 1335-1363, 2018
212018
Geometric phase in the Hopf bundle and the stability of non-linear waves
CJ Grudzien, TJ Bridges, CKRT Jones
Physica D: Nonlinear Phenomena 334, 4-18, 2016
8*2016
On the numerical integration of the Lorenz-96 model, with scalar additive noise, for benchmark twin experiments
Grudzien C., Bocquet M., Carrassi A.
Geosci. Model Dev. 13, 1903–1924, 2020
52020
Structure-and physics-preserving reductions of power grid models
C Grudzien, D Deka, M Chertkov, SN Backhaus
Multiscale Modeling & Simulation 16 (4), 1916-1947, 2018
52018
The instability of the Hocking–Stewartson pulse and its geometric phase in the Hopf bundle
C Grudzien
Journal of Computational and Applied Mathematics 307, 162-169, 2016
42016
A Tutorial on Bayesian Data Assimilation
C Grudzien, M Bocquet
arXiv preprint arXiv:2112.07704, 2021
32021
A fast, single-iteration ensemble kalman smoother for sequential data assimilation
C Grudzien, M Bocquet
Geoscientific Model Development Discussions 2021, 1-62, 2021
32021
DAPPER: data assimilation with Python: a package for experimental research
PN Raanes, Y Chen, C Grudzien
Journal of Open Source Software 9 (94), 5150, 2024
12024
Assimilation of Airborne Radio Occultation (ARO) Observation Using MPAS-JEDI for an 11-flight Sequence of California ARs
IH Banos, JS Haase, P Hordyniec, B Cao, Z Liu, J Guerrette, C Grudzien, ...
104th AMS Annual Meeting, 2024
2024
Automatic Differentiation for Variational Assimilation
C Merchant, C Grudzien
103rd AMS Annual Meeting, 2023
2023
DataAssimilationBenchmarks. jl: a data assimilation research framework.
C Grudzien, C Merchant, S Sandhu
Journal of Open Source Software 7 (79), 4129, 2022
2022
The method of the geometric phase in the Hopf bundle as a reformulation of the Evans function for reaction diffusion equations
CJ Grudzien
The University of North Carolina at Chapel Hill, 2016
2016
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Articles 1–16