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Double-Diffusive Intrusions on a Finite-Width Thermohaline Front
Publisher: American Meteorological Society
Abstract: A density-compensated thermohaline front with a finite width L? and total lateral salinity variation ?S superimposed on a finger-favorable thermocline is studied by means of linear theory and nonlinear numerical calculations ...
Double-Diffusive Intrusions in a Stable Salinity Gradient “Heated from Below”
Publisher: American Meteorological Society
Abstract: Two-dimensional direct numerical simulations (DNS) are used to investigate the growth and nonlinear equilibration of spatially periodic double-diffusive intrusion for negative vertical temperature Tz < 0 and salinity Sz < ...
Equilibration of Two-Dimensional Double-Diffusive Intrusions
Publisher: American Meteorological Society
Abstract: This paper considers the equilibration of lateral intrusions in a doubly diffusive fluid with uniform unbounded basic-state gradients in temperature and salinity. These are density compensated in the horizontal direction ...
Internal Wave Overturns Produced by Salt Fingers
Publisher: American Meteorological Society
Abstract: The salt finger fluxes obtained in small-domain direct numerical simulations (DNSs) are used to parameterize the fluxes in a larger domain that resolves internal gravity waves. For the case in which the molecular diffusivity ...
River Discharge and Bathymetry Estimation from Inversion of Surface Currents and Water Surface Elevation Observations
Publisher: American Meteorological Society
Abstract: We developed an approach for estimating river discharge and water depth from measurements of surface velocity and water surface elevation, based on analytical velocity?depth and velocity?slope relationships derived from ...