Extending an oceanographic variational scheme to allow for affordable hybrid and four-dimensional data assimilation
A Storto, P Oddo, A Cipollone, I Mirouze… - Ocean Modelling, 2018 - Elsevier
The traditional formulation of three-dimensional variational (3DVAR) data assimilation
schemes for oceanographic applications neglects the temporal evolution of background …
schemes for oceanographic applications neglects the temporal evolution of background …
An evaluation of methods for normalizing diffusion‐based covariance operators in variational data assimilation
AT Weaver, M Chrust, B Ménétrier… - Quarterly Journal of …, 2021 - Wiley Online Library
Developing effective ways to model and cycle the background‐error covariance matrix is an
active area of research in data assimilation. An important aspect of this problem when using …
active area of research in data assimilation. An important aspect of this problem when using …
A new global ocean ensemble system at the Met Office: Assessing the impact of hybrid data assimilation and inflation settings
DJ Lea, J While, MJ Martin, A Weaver… - Quarterly Journal of …, 2022 - Wiley Online Library
We have developed a global ocean and sea‐ice ensemble forecasting system based on the
operational forecasting ocean assimilation model (FOAM) system run at the Met Office. The …
operational forecasting ocean assimilation model (FOAM) system run at the Met Office. The …
How uncertain and observable are marine ecosystem indicators in shelf seas?
Operational analysis and forecast products of shelf sea biogeochemistry often lack reliable
information on uncertainty. This is problematic, as good quality uncertainty information is …
information on uncertainty. This is problematic, as good quality uncertainty information is …
The impact of hybrid oceanic data assimilation in a coupled model: A case study of a tropical cyclone
TY Leung, AS Lawless, NK Nichols… - Quarterly Journal of …, 2022 - Wiley Online Library
Tropical cyclones tend to result in distinctive spatial and temporal characteristics in the
upper ocean, which suggests that traditional, parametrisation‐based background‐error …
upper ocean, which suggests that traditional, parametrisation‐based background‐error …