Aneesh C. Subramanian

Linear versus Nonlinear Filtering with Scale-Selective Corrections for Balanced Dynamics in a Simple Atmospheric Model

This paper investigates the role of the linear analysis step of the ensemble Kalman filters (EnKF) in disrupting the balanced dynamics in a simple atmospheric model and compares it …

aneesh-c.-subramanian

The Madden-Julian Oscillation in CCSM4

This study assesses the ability of the Community Climate System Model, version 4 (CCSM4) to represent the Madden-Julian oscillation (MJO), the dominant mode of intraseasonal …

aneesh-c.-subramanian

An Adaptive Approach to Mitigate Background Covariance Limitations in the Ensemble Kalman Filter

A new approach is proposed to address the background covariance limitations arising from undersampled ensembles and unaccounted model errors in the ensemble Kalman filter (EnKF). …

hajoon-song