[HTML][HTML] Evaluating high-frequency radar data assimilation impact in coastal ocean operational modelling

J Hernandez-Lasheras, B Mourre, A Orfila… - Ocean …, 2021 - os.copernicus.org
The impact of the assimilation of HFR (high-frequency radar) observations in a high-
resolution regional model is evaluated, focusing on the improvement of the mesoscale …

[HTML][HTML] A four-dimensional incremental analysis update for the ensemble Kalman filter

L Lei, JS Whitaker - Monthly Weather Review, 2016 - journals.ametsoc.org
A Four-Dimensional Incremental Analysis Update for the Ensemble Kalman Filter in:
Monthly Weather Review Volume 144 Issue 7 (2016) Jump to Content Jump to Main …

Assimilation of deformation data for eruption forecasting: Potentiality assessment based on synthetic cases

MG Bato, V Pinel, Y Yan - Frontiers in Earth Science, 2017 - frontiersin.org
In monitoring active volcanoes, the magma overpressure is one of the key parameters used
in forecasting volcanic eruptions. This parameter can be inferred from the ground …

OpenDA-NEMO framework for ocean data assimilation

N van Velzen, MU Altaf, M Verlaan - Ocean dynamics, 2016 - Springer
Data assimilation methods provide a means to handle the modeling errors and uncertainties
in sophisticated ocean models. In this study, we have created an OpenDA-NEMO framework …

Assimilation of sea surface temperature, sea ice concentration and sea ice drift in a model of the Southern Ocean

A Barth, M Canter, B Van Schaeybroeck, S Vannitsem… - Ocean Modelling, 2015 - Elsevier
Current ocean models have relatively large errors and biases in the Southern Ocean. The
aim of this study is to provide a reanalysis from 1985 to 2006 assimilating sea surface …

Assessment of a nonlinear ensemble transform filter for high-dimensional data assimilation

J Tödter, P Kirchgessner, L Nerger… - Monthly Weather …, 2016 - journals.ametsoc.org
This work assesses the large-scale applicability of the recently proposed nonlinear
ensemble transform filter (NETF) in data assimilation experiments with the NEMO ocean …

Data assimilation with the ensemble Kalman filter in a high-resolution wave forecasting model for coastal areas

S Almeida, L Rusu… - Journal of operational …, 2016 - Taylor & Francis
The present work describes a post-processing implementation of the ensemble Kalman filter
(EnKF) that is used to improve the wave predictions in a high-resolution Simulating Waves …

An ensemble Kalman filter system with the Stony Brook Parallel Ocean Model v1. 0

S Ohishi, T Hihara, H Aiki, J Ishizaka… - Geoscientific Model …, 2022 - gmd.copernicus.org
This study develops an ensemble Kalman filter (EnKF)-based regional ocean data
assimilation system in which the local ensemble transform Kalman filter (LETKF) is …

Ensemble assimilation of ARGO temperature profile, sea surface temperature, and altimetric satellite data into an eddy permitting primitive equation model of the N …

Y Yan, A Barth, JM Beckers, G Candille… - Journal of …, 2015 - Wiley Online Library
Sea surface height, sea surface temperature, and temperature profiles at depth collected
between January and December 2005 are assimilated into a realistic eddy permitting …

The smoother extension of the nonlinear ensemble transform filter

P Kirchgessner, J Tödter, B Ahrens… - Tellus A: Dynamic …, 2017 - Taylor & Francis
The recently-proposed nonlinear ensemble transform filter (NETF) is extended to a fixed-lag
smoother. The NETF approximates Bayes' theorem by applying a square root update. The …