activity
20212023
most citedIntegrating Recurrent Neural Networks with Data Assimilation for Scalable Data-Driven State Estimation

55 citations · 113 across the 8 of their papers we have counts for

collaborators

8 papers

cs.LG2023★ 2 cited

Temporal Subsampling Diminishes Small Spatial Scales in Recurrent Neural Network Emulators of Geophysical Turbulence

Timothy A. Smith, Stephen G. Penny, Jason A. Platt +1

The immense computational cost of traditional numerical weather and climate models has sparked the development of machine learning (ML) based emulators. Because ML methods benefit…

cs.LG2023★ 2 cited

Constraining Chaos: Enforcing dynamical invariants in the training of recurrent neural networks

Jason A. Platt, Stephen G. Penny, Timothy A. Smith +2

Drawing on ergodic theory, we introduce a novel training method for machine learning based forecasting methods for chaotic dynamical systems. The training enforces dynamical invari…

cs.NE2022★ 2 cited

A Systematic Exploration of Reservoir Computing for Forecasting Complex Spatiotemporal Dynamics

Jason A. Platt, Stephen G. Penny, Timothy A. Smith +2

A reservoir computer (RC) is a type of simplified recurrent neural network architecture that has demonstrated success in the prediction of spatiotemporally chaotic dynamical system…

cs.LG2022★ 2 cited

`Next Generation' Reservoir Computing: an Empirical Data-Driven Expression of Dynamical Equations in Time-Stepping Form

Tse-Chun Chen, Stephen G. Penny, Timothy A. Smith +1

Next generation reservoir computing based on nonlinear vector autoregression (NVAR) is applied to emulate simple dynamical system models and compared to numerical integration schem…

cs.LG2021★ 55 cited

Integrating Recurrent Neural Networks with Data Assimilation for Scalable Data-Driven State Estimation

Stephen G. Penny, Timothy A. Smith, Tse-Chun Chen +4

Data assimilation (DA) is integrated with machine learning in order to perform entirely data-driven online state estimation. To achieve this, recurrent neural networks (RNNs) are i…

physics.ao-ph2021★ 9 cited

Identifying efficient ensemble perturbations for initializing subseasonal-to-seasonal prediction

Jonathan Demaeyer, Stephen G. Penny, Stéphane Vannitsem

The prediction of the weather at subseasonal-to-seasonal (S2S) timescales is dependent on both initial and boundary conditions. An open question is how to best initialize a relativ…

physics.comp-ph2021★ 38 cited

Robust Forecasting using Predictive Generalized Synchronization in Reservoir Computing

Jason A. Platt, Adrian S. Wong, Randall Clark +2

Reservoir computers (RC) are a form of recurrent neural network (RNN) used for forecasting timeseries data. As with all RNNs, selecting the hyperparameters presents a challenge whe…

cs.NE2021★ 3 cited

Forecasting Using Reservoir Computing: The Role of Generalized Synchronization

Jason A. Platt, Adrian Wong, Randall Clark +2

Reservoir computers (RC) are a form of recurrent neural network (RNN) used for forecasting time series data. As with all RNNs, selecting the hyperparameters presents a challenge wh…