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RISEstimation and Impact of Nonuniform Horizontal Correlation Length Scales for Global Ocean Physical Analyses
Publisher: American Meteorological Society
Abstract: ptimally modeling background-error horizontal correlations is crucial in ocean data assimilation. This paper investigates the impact of releasing the assumption of uniform background-error correlations in a global ocean ...
Implementing a Parallel Version of a Variational Scheme in a Global Assimilation System at Eddy-Resolving Resolution
Publisher: American Meteorological Society
Abstract: Recent advances in global ocean prediction systems are fostered by the needs of accurate representation of mesoscale processes. The day-by-day realistic representation of its variability is hampered by the scarcity of ...
Assimilating Along-Track Altimetric Observations through Local Hydrostatic Adjustment in a Global Ocean Variational Assimilation System
Publisher: American Meteorological Society
Abstract: A global ocean three-dimensional variational data assimilation system was developed with the aim of assimilating along-track sea level anomaly observations, along with in situ observations from bathythermographs and ...
A Neural Network–Based Observation Operator for Coupled Ocean–Acoustic Variational Data Assimilation
Publisher: American Meteorological Society
Strongly Coupled Data Assimilation Experiments with Linearized Ocean–Atmosphere Balance Relationships
Publisher: American Meteorological Society
Abstract: AbstractCoupled data assimilation is emerging as a target approach for Earth system prediction and reanalysis systems. Coupled data assimilation may be indeed able to minimize unbalanced air?sea initialization and maximize ...
Improved Prediction of the Indian Ocean Dipole Mode by Use of Subsurface Ocean Observations
Publisher: American Meteorological Society
Abstract: AbstractThe numerical seasonal prediction system using the Scale Interaction Experiment?Frontier version 1 (SINTEX-F) ocean?atmosphere coupled model has so far demonstrated a good performance for prediction of the Indian ...
Advancing Global and Regional Reanalyses
Publisher: American Meteorological Society
The EU-FP7 ERA-CLIM2 Project Contribution to Advancing Science and Production of Earth System Climate Reanalyses
Publisher: American Meteorological Society
Abstract: AbstractThe European Reanalysis of Global Climate Observations 2 (ERA-CLIM2) is a European Union Seventh Framework Project started in January 2014 and due to be completed in December 2017. It aims to produce coupled ...