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RISDynamics of Deep Thermocline Jets in The POLYMODE Region
Publisher: American Meteorological Society
Abstract: We present the study of a series of very energetic events, which occur in the 360 days of the Polymode Synoptic Dynamics Experiment dataset. The method consists of the assimilation of data by a quasi-geostrophic open ...
XBT Measurements of Thermal Gradients in the MODE Eddy
Publisher: American Meteorological Society
Abstract: Estimates of the repeatability and accuracy of XBT measurements were made using XBT data taken during MODE. The XBT observations of the depth of isotherms had systematic errors of up to 15 decibars (by comparison to ...
Structure and Dynamics of the Rhodes Gyre System and Dynamical Interpolation for Estimates of the Mesoscale Variability
Publisher: American Meteorological Society
Abstract: A coastal quasigeostrophic (QG) methodology is extended in an exploration of the mesoscale variability of the Rhodes Gyre region of the Eastern Mediterranean Sea, given multiscale data taken as part of the POEM program. ...
Multiscale Processes and Nonlinear Dynamics of the Circulation and Upwelling Events off Monterey Bay
Publisher: American Meteorological Society
Abstract: The nonlinear multiscale dynamics of the Monterey Bay circulation during the Second Autonomous Ocean Sampling Network (AOSN-II) Experiment (August 2003) is investigated in an attempt to understand the complex processes ...
Assimilation of Altimeter Eddy Fields in a Limited-Area Quasi-Geostrophic Model
Publisher: American Meteorological Society
Abstract: Techniques for the synoptic analysis, vertical inference, dynamical adjustment, and forecast of altimetric and deeper in situ data are presented as a first step towards the design of continuous assimilation schemes in ...
Currents, Water Masses, Eddies and Jets in the Mediterranean Levantine Basin
Publisher: American Meteorological Society
Abstract: Hydrographic measurements in the southeastern Levantine basin are analyzed, and the climatological water masses of the region and their seasonal variations are identified. We observe the formation of the salty and warm ...
A Study of the Iceland–Faeroe Frontal Variability Using the Multiscale Energy and Vorticity Analysis
Publisher: American Meteorological Society
Abstract: The multiscale nonlinear interactive Iceland?Faeroe frontal (IFF) variability during 14?22 August 1993 is investigated for complex dynamics with the localized multiscale energy and vorticity analysis (MS-EVA). In terms of ...
Hindcasting and Forecasting of the POLYMODE Data Set with the Harvard Open–Ocean Model
Publisher: American Meteorological Society
Abstract: A regional quasi-geostrophic model has been used to hindcast and forecast the POLYMODE data set. After briefly discussing hindcast methodology, the hindcast fields are compared with the analyzed data set Periods of significant ...
Regional Primitive Equation Studies of the Gulf Stream Meander and Ring Formation Region
Publisher: American Meteorological Society
Abstract: Primitive equation and quasi-geostrophic eddy resolving, open ocean models are used for hindcast studies in the Gulf Stream meander and ring formation region. A feature model approach is used to initialize the models, based ...
On the Time-Dependent Meandering of a Thin Jet
Publisher: American Meteorological Society
Abstract: A thin-jet model predicts the location of the axis of a strong current such as the Gulf Stream by using the vertical and cross-stream integrated vorticity balance, under the assumption that the meandering scales are large ...