[HTML][HTML] Review of the ensemble Kalman filter for atmospheric data assimilation

PL Houtekamer, F Zhang - Monthly Weather Review, 2016 - journals.ametsoc.org
Review of the Ensemble Kalman Filter for Atmospheric Data Assimilation in: Monthly
Weather Review Volume 144 Issue 12 (2016) Jump to Content Jump to Main Navigation …

Improved ensemble-mean forecasting of ENSO events by a zero-mean stochastic error model of an intermediate coupled model

F Zheng, J Zhu - Climate Dynamics, 2016 - Springer
How to design a reliable ensemble prediction strategy with considering the major
uncertainties of a forecasting system is a crucial issue for performing an ensemble forecast …

Impact of assimilating Formosat-7/COSMIC-II GNSS radio occultation data on heavy rainfall prediction in Taiwan

CC Chang, SC Yang - Terrestrial, Atmospheric and Oceanic Sciences, 2022 - Springer
This study investigates the impact of assimilating Formosat-7/COSMIC-II (FS7/C2) radio
occultation (RO) refractivity data on predicting the heavy rainfall event that occurred in …

Influence of the track forecast of Typhoon Prapiroon on the heavy rainfall in western Japan in July 2018

T Enomoto - Sola, 2019 - jstage.jst.go.jp
The predictability of the Heavy Rain Event in July 2018 is examined by forecast 10
experiments with an operational global atmospheric forecast model. Experiments from 11 …

Hybrid gain data assimilation using variational corrections in the subspace orthogonal to the ensemble

CC Chang, SG Penny, SC Yang - Monthly Weather Review, 2020 - journals.ametsoc.org
The viability of a parameterless hybrid data assimilation algorithm is investigated. As an
alternative to the traditional hybrid covariance scheme, hybrid gain data assimilation …

A regional hybrid gain data assimilation system and preliminary evaluation based on Radio Occultation reflectivity assimilation

CC Chang, SC Yang, SG Penny - SOLA, 2022 - jstage.jst.go.jp
A regional hybrid gain data assimilation (HGDA) system is newly developed using Weather
Research and Forecasting model (WRF). The WRF-HGDA augments an ensemble-based …

Parallel direct solution of the covariance-localized ensemble square root Kalman filter equations with matrix functions

JL Steward, JE Roman, AL Daviña… - Monthly Weather …, 2018 - journals.ametsoc.org
Recently, the serial approach to solving the square root ensemble Kalman filter (ESRF)
equations in the presence of covariance localization was found to depend on the order of …

The role of stochastic model error perturbations in predicting the 2011/12 double-dip La Niña

L Feng, F Zheng, J Zhu, H Liu - Sola, 2015 - jstage.jst.go.jp
Abstract The 2011/12 La Niña, referred to as a double-dip La Niña event with following a
previous La Niña event, was not well predicted by most climate models when starting from …

[HTML][HTML] Mesoscale hybrid data assimilation system based on JMA nonhydrostatic model

K Ito, M Kunii, T Kawabata, K Saito… - Monthly Weather …, 2016 - journals.ametsoc.org
Mesoscale Hybrid Data Assimilation System based on JMA Nonhydrostatic Model in:
Monthly Weather Review Volume 144 Issue 9 (2016) Jump to Content Jump to Main …

[PDF][PDF] Data Assimilation Research Team

T Miyoshi, K Terasaki, S Otsuka, K Kondo, S Kotsuki… - r-ccs.riken.jp
Data Assimilation Research Team (DA Team) was launched in October 2012 and is
composed of 28 research and technical staff including 12 visiting members as of March …