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Comparing the Vertical Structures of Weighting Functions and Adjoint Sensitivity of Radiance and Verifying Mesoscale Forecasts Using AIRS Radiance Observations
Publisher: American Meteorological Society
Abstract: An adjoint sensitivity analysis is conducted using the adjoint of the hyperspectral radiative transfer model (RTM) that simulates the radiance spectrum from the Advanced Infrared Sounder (AIRS). It is shown, both theoretically ...
Impact of Assimilating Surface Velocity Observations on the Model Sea Surface Height Using the NCOM-4DVAR
Publisher: American Meteorological Society
Abstract: he assimilation of surface velocity observations and their impact on the model sea surface height (SSH) is examined using an operational regional ocean model and its four-dimensional variational data assimilation (4DVAR) ...
Examining the Potential Impact of SWOT Observations in an Ocean Analysis–Forecasting System
Publisher: American Meteorological Society
Abstract: ASA?s Surface Water and Ocean Topography (SWOT) satellite, scheduled for launch in 2020, will provide observations of sea surface height anomaly (SSHA) at a significantly higher spatial resolution than current satellite ...
Do Assimilated Drifter Velocities Improve Lagrangian Predictability in an Operational Ocean Model?
Publisher: American Meteorological Society
Abstract: he Lagrangian predictability of general circulation models is limited by the need for high-resolution data streams to constrain small-scale dynamical features. Here velocity observations from Lagrangian drifters deployed ...
Impact of Assimilating Ocean Velocity Observations Inferred from Lagrangian Drifter Data Using the NCOM-4DVAR
Publisher: American Meteorological Society
Abstract: ulerian velocity fields are derived from 300 drifters released in the Gulf of Mexico by The Consortium for Advanced Research on Transport of Hydrocarbon in the Environment (CARTHE) during the summer 2012 Grand Lagrangian ...
A Multiscale Approach to High-Resolution Ocean Profile Observations within a 4DVAR Analysis System
Publisher: American Meteorological Society
Abstract: Most ocean data assimilation systems are tuned to process and assimilate observations to constrain features on the order of the mesoscale and larger. Typically this involves removal of observations or computing averaged ...
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