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RISThree- and Four-Dimensional Variational Assimilation with a General Circulation Model of the Tropical Pacific Ocean. Part I: Formulation, Internal Diagnostics, and Consistency Checks
Publisher: American Meteorological Society
Abstract: Three- and four-dimensional variational assimilation (3DVAR and 4DVAR) systems have been developed for the Océan Parallélisé (OPA) ocean general circulation model (OGCM) of the Laboratoire d'Océanographie Dynamique et de ...
Incorporating State-Dependent Temperature–Salinity Constraints in the Background Error Covariance of Variational Ocean Data Assimilation
Publisher: American Meteorological Society
Abstract: Several studies have illustrated how the univariate assimilation of temperature data can have a detrimental effect on the ocean-state variables (salinity, currents, etc.) not directly constrained by the data. In this paper, ...
The Aeroclipper: A New Device to Explore Convective Systems and Cyclones
Publisher: American Meteorological Society
Abstract: During the Validation of the Aeroclipper System under Convective Occurrences (VASCO) test experiment in January and February 2007, eight Aeroclipper prototypes were launched from Mahé Island in the tropical Indian Ocean. ...
Three- and Four-Dimensional Variational Assimilation with a General Circulation Model of the Tropical Pacific Ocean. Part II: Physical Validation
Publisher: American Meteorological Society
Abstract: Three- and four-dimensional variational assimilation (3DVAR and 4DVAR) systems have been developed for the Océan Parallélisé (OPA) ocean general circulation model of the Laboratoire d'Océanographie Dynamique et de Climatologie. ...
Initialization of Seasonal Forecasts Assimilating Sea Level and Temperature Observations
Publisher: American Meteorological Society
Abstract: In this paper, the combined assimilation of satellite observed sea level anomalies and in situ temperature data into a global ocean model, which is used to initialize a coupled ocean?atmosphere forecast system, is described. ...
RAMA: The Research Moored Array for African–Asian–Australian Monsoon Analysis and Prediction*
Publisher: American Meteorological Society
Abstract: The Indian Ocean is unique among the three tropical ocean basins in that it is blocked at 25°N by the Asian landmass. Seasonal heating and cooling of the land sets the stage for dramatic monsoon wind reversals, strong ...
Supplement to RAMA: The Research Moored Array for African—Asian—Australian Monsoon Analysis and Prediction
Publisher: American Meteorological Society
Salinity Measurements Collected by Fishermen Reveal a “River in the Sea” Flowing Along the Eastern Coast of India
Publisher: American Meteorological Society
Abstract: only tropical ocean bounded by a continent to the north, the Indian Ocean is home to the most powerful monsoon system on Earth. Monsoonal rains and winds induce huge river discharges and strong coastal currents in the ...
Cirene: Air–Sea Interactions in the Seychelles–Chagos Thermocline Ridge Region
Publisher: American Meteorological Society
Abstract: The Vasco?Cirene program explores how strong air?sea interactions promoted by the shallow thermocline and high sea surface temperature in the Seychelles?Chagos thermocline ridge results in marked variability at synoptic, ...
Supplement to Cirene: Air—Sea Interactions in the Seychelles—Chagos Thermocline Ridge Region
Publisher: American Meteorological Society
Abstract: The Vasco?Cirene field experiment, in January?February 2007, targeted the Seychelles?Chagos thermocline ridge (SCTR) region, with the main purpose of investigating Madden?Julian Oscillation (MJO)-related SST events. The ...