[HTML][HTML] A method for assimilating lagrangian data into a shallow-water-equation ocean model

H Salman, L Kuznetsov, C Jones… - Monthly Weather …, 2006 - journals.ametsoc.org
Lagrangian drifter coordinates at assimilation. It is shown that this method is best formulated
using the ensemble Kalman filter, … transparent for assimilating Lagrangian data. The method …

Ensemble Kalman filter versus ensemble smoother for assessing hydraulic conductivity via tracer test data assimilation

E Crestani, M Camporese, D Baú… - Hydrology and Earth …, 2013 - hess.copernicus.org
Lagrangian formulation of the transport with a Kalman-filter-based technique and assimilating
a … work is to compare the ensemble Kalman filter (EnKF) and the ensemble smoother (ES) …

Ensemble kalman filtering

PL Houtekamer, HL Mitchell - Quarterly Journal of the Royal …, 2005 - Wiley Online Library
… atmospheric data assimilation. We show how the EnKF relates to the Kalman filter. In … values
at the upstream locations in the semi-Lagrangian time-stepping scheme used in the forecast …

A multigrid/ensemble Kalman filter strategy for assimilation of unsteady flows

G Moldovan, G Lehnasch, L Cordier, M Meldi - Journal of Computational …, 2021 - Elsevier
Ensemble Kalman Filter for Data Assimilation of fluid flows is presented in this research work.
The main feature of this estimator is that the Kalman filter … -th order Lagrange interpolators. …

Variational ensemble Kalman filtering applied to data assimilation problems in computational fluid dynamics

IS Amour - 2016 - lutpub.lut.fi
data assimilation is on how to estimate the error covariance of the analysis. The ensemble
Kalman filter … attention to combining or coupling ensemble methods with variational methods (…

Assimilating multi-source data into a three-dimensional hydro-ecological dynamics model using Ensemble Kalman Filter

C Chen, J Huang, Q Chen, J Zhang, Z Li… - Environmental modelling & …, 2019 - Elsevier
… applied Ensemble Kalman Filter to assimilate multi-source data … Two data assimilation
experiments (named EnKF1 and … Data assimilation technology is one of the best ways to achieve …

The impact of nonlinearity in Lagrangian data assimilation

A Apte, C Jones - Nonlinear Processes in Geophysics, 2013 - npg.copernicus.org
… the Lagrangian data assimilation framework. We will use the Bayesian viewpoint of the data
assimilation … of data assimilation and the ensemble Kalman filter in the following section. …

Ensemble kalman filter based state estimation in 2d shallow water equations using lagrangian sensing and state augmentation

OP Tossavainen, J Percelay, A Tinka… - 2008 47th IEEE …, 2008 - ieeexplore.ieee.org
… More specifically, we seek to incorporate Lagrangian … boundary conditions using an
Ensemble Kalman Filter (EnKF). The … XL Dimet, “Lagrangian data assimilation for river hydraulics …

Strongly coupled ocean-atmosphere data assimilation with the local ensemble transform Kalman filter

TC Sluka - 2018 - search.proquest.com
… has shown that strongly coupled data assimilation (SCDA), whereby … ensemble Kalman
filter. A prototype method for SCDA is developed with the local ensemble transform Kalman filter (…

Data assimilation and parameter estimation via ensemble Kalman filter coupled with stochastic moment equations of transient groundwater flow

M Panzeri, M Riva, A Guadagnini… - Water Resources …, 2013 - Wiley Online Library
… (EnKF) is a powerful tool for assimilating data in earth system models. The approach allows
… as new data become available. This paper focuses on EnKF data assimilation in models of …