Water Mass Transformation Due to Mixed Layer Entrainment and Mesoscale Stirring: In Series or Parallel?

Abstract

The convergence of advective and diffusive buoyancy flux must match the air-sea buoyancy flux between two outcropping isopycnals. This leads to a diagnostic framework for water mass transformation in which a myriad of different processes can be incorporated under a unifying balance. We review how the diapycnal advection due to ubiquitous mixed layer entrainment can be included in this framework, and we estimate its contribution to the large scale transformation. We also consider how decomposing the flow and buoyancy field into mean, eddy and turbulent parts leads to clarifying the interaction of mixed layer and mesoscale (or sub-mesoscale) eddies in the overall large scale balance.

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Document Details

Document Type
Technical Report
Publication Date
Jan 19, 2001
Accession Number
ADP013586

Entities

People

  • Aditya Tandon

Organizations

  • University of Massachusetts

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Advection
  • Atlantic Ocean
  • Buoyancy
  • Control Surfaces
  • Heat Energy
  • Heat Flux
  • Isotherms
  • Layers
  • Mixing
  • North Atlantic Ocean
  • Oceanography
  • Oceans
  • Rate Of Formation
  • Simulations
  • Temperature Gradients
  • Thermodynamic Processes
  • Water Masses

Fields of Study

  • Environmental science

Readers

  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Systems Analysis and Design

Technology Areas

  • Autonomy