Davi Mignac
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View article: Improvements to the Met Office's global ocean–sea ice forecasting system including model and data assimilation changes
Improvements to the Met Office's global ocean–sea ice forecasting system including model and data assimilation changes Open
The Forecast Ocean Assimilation Model (FOAM) is the Met Office's operational, coupled ocean–sea ice system, which produces analyses and short-range forecasts at global and regional scales each day for various stakeholders, including defenc…
View article: Sensitivity to Sea Ice Thickness Parameters in a Coupled Ice‐Ocean Data Assimilation System
Sensitivity to Sea Ice Thickness Parameters in a Coupled Ice‐Ocean Data Assimilation System Open
Sea ice thickness (SIT) estimates derived from CryoSat‐2 radar freeboard measurements are assimilated into the Met Office's Forecast Ocean Assimilation Model. We test the sensitivity of winter simulations to the snow depth, radar freeboard…
View article: Updates to the Met Office’s global ocean-sea ice forecasting system including model and data assimilation changes
Updates to the Met Office’s global ocean-sea ice forecasting system including model and data assimilation changes Open
The Forecast Ocean Assimilation Model (FOAM) is the Met Office’s operational, coupled ocean-sea ice system, which produces analyses and short-range forecasts at global and regional scales each day for various stakeholders, including defenc…
View article: Sensitivity of short-range forecasts to sea ice thickness data assimilation parameters in a coupled ice-ocean system
Sensitivity of short-range forecasts to sea ice thickness data assimilation parameters in a coupled ice-ocean system Open
Sea ice thickness (SIT) estimates derived from CryoSat-2 radar freeboard measurements are assimilated into the Met Office's global ocean–sea ice forecasting system, FOAM. We test the sensitivity of short-range forecasts to the snow depth, …
View article: Variability and Feedbacks in the Atlantic Freshwater Budget of CMIP5 Models With Reference to Atlantic Meridional Overturning Circulation Stability
Variability and Feedbacks in the Atlantic Freshwater Budget of CMIP5 Models With Reference to Atlantic Meridional Overturning Circulation Stability Open
It has been suggested that freshwater transports by the Atlantic Meridional Overturning Circulation (AMOC) in the South Atlantic may be a useful metric for determining the stability of the AMOC because it can lead to feedbacks onto North A…
View article: An Evaluation of the Performance of Sea Ice Thickness Forecasts to Support Arctic Marine Transport
An Evaluation of the Performance of Sea Ice Thickness Forecasts to Support Arctic Marine Transport Open
In response to declining sea ice cover, human activity in the Arctic is increasing, with access to the Arctic Ocean becoming more important for socio-economic reasons. Accurate knowledge of sea ice conditions is therefore becoming increasi…
View article: Improving the Met Office's Forecast Ocean Assimilation Model (<scp>FOAM</scp>) with the assimilation of satellite‐derived sea‐ice thickness data from <scp>CryoSat</scp>‐2 and <scp>SMOS</scp> in the Arctic
Improving the Met Office's Forecast Ocean Assimilation Model (<span>FOAM</span>) with the assimilation of satellite‐derived sea‐ice thickness data from <span>CryoSat</span>‐2 and <span>SMOS</span> in the Arctic Open
Derived from two complementary satellites, CryoSat‐2 and Soil Moisture and Ocean Salinity (SMOS), sea ice thickness (SIT) data are assimilated into the Met Office's global ocean–sea ice forecasting system, FOAM, using a 3D‐Var assimilation…
View article: Assimilation of sea ice thickness derived from CryoSat-2 along-track freeboard measurements into the Met Office's Forecast Ocean Assimilation Model (FOAM)
Assimilation of sea ice thickness derived from CryoSat-2 along-track freeboard measurements into the Met Office's Forecast Ocean Assimilation Model (FOAM) Open
The feasibility of assimilating sea ice thickness (SIT) observations derived from CryoSat-2 along-track measurements of sea ice freeboard is successfully demonstrated using a 3D-Var assimilation scheme, NEMOVAR, within the Met Office's glo…
View article: Comment on tc-2021-127
Comment on tc-2021-127 Open
Abstract. The feasibility of assimilating sea ice thickness (SIT) observations derived from CryoSat-2 along-track measurements of sea ice freeboard is successfully demonstrated using a 3D-Var assimilation scheme, NEMOVAR, within the Met O…
View article: Review on tc-2021-127
Review on tc-2021-127 Open
Abstract. The feasibility of assimilating sea ice thickness (SIT) observations derived from CryoSat-2 along-track measurements of sea ice freeboard is successfully demonstrated using a 3D-Var assimilation scheme, NEMOVAR, within the Met O…
View article: Comment on tc-2021-127
Comment on tc-2021-127 Open
Abstract. The feasibility of assimilating sea ice thickness (SIT) observations derived from CryoSat-2 along-track measurements of sea ice freeboard is successfully demonstrated using a 3D-Var assimilation scheme, NEMOVAR, within the Met O…
View article: Assimilation of sea ice thickness derived from CryoSat-2 along-track freeboard measurements into the Met Office’s Forecast Ocean Assimilation Model (FOAM)
Assimilation of sea ice thickness derived from CryoSat-2 along-track freeboard measurements into the Met Office’s Forecast Ocean Assimilation Model (FOAM) Open
The feasibility of assimilating SIT (sea ice thickness) observations derived from CryoSat-2 along-track measurements of sea ice freeboard is successfully demonstrated using a 3D-Var assimilation scheme, NEMOVAR, within the Met Office’s glo…
View article: The mean state and variability of the North Atlantic circulation: a perspective from ocean reanalyses
The mean state and variability of the North Atlantic circulation: a perspective from ocean reanalyses Open
<p>The observational network around the North Atlantic has improved significantly over the last few decades with the advent of Argo and satellite observations, and the more recent efforts to monitor the Atlantic Meridional Overturnin…
View article: The Mean State and Variability of the North Atlantic Circulation: A Perspective From Ocean Reanalyses
The Mean State and Variability of the North Atlantic Circulation: A Perspective From Ocean Reanalyses Open
The observational network around the North Atlantic has improved significantly over the last few decades with subsurface profiling floats and satellite observations and the recent efforts to monitor the Atlantic Meridional Overturning Circ…
View article: Decoupled Freshwater Transport and Meridional Overturning in the South Atlantic
Decoupled Freshwater Transport and Meridional Overturning in the South Atlantic Open
Freshwater transports ( F ov ) by the Atlantic meridional overturning circulation (AMOC) are sensitive to salinity distributions and may determine AMOC stability. However, climate models show large salinity biases, distorting the relation …
View article: South Atlantic meridional transports from NEMO-based simulations and reanalyses
South Atlantic meridional transports from NEMO-based simulations and reanalyses Open
The meridional heat transport (MHT) of the South Atlantic plays a key role in the global heat budget: it is the only equatorward basin-scale ocean heat transport and it sets the northward direction of the global cross-equatorial transport.…
View article: South Atlantic meridional transports from NEMO-based simulations and reanalyses
South Atlantic meridional transports from NEMO-based simulations and reanalyses Open
The South Atlantic meridional transports are evaluated for four state-of-the-art global Ocean Reanalyses (ORAs) and two Free-Running Models (FRMs) in the period 1997–2010. All products employ the Nucleus for European Modelling of the Ocean…