Geostrophic Turbulence in the Frequency-Wavenumber Domain: Eddy-Driven Low-Frequency Variability

Abstract

Ocean tides, and the atmospherically forced oceanic general circulation and its associated mesoscale eddy field, have long been run separately in high-resolution global models. They are now being simulated concurrently in a high-resolution version of the HYbrid Coordinate Ocean Model (HYCOM). The incorporation of horizontally varying stratification with the addition of atmospheric forcing yields internal tides (internal waves of tidal frequency) in high-latitude, low-stratification regions that are qualitatively different from those in earlier global internal tide models, in which atmospheric forcing and horizontally variable stratification were absent. The internal tides in the new concurrent HYCOM simulations compare well with those measured in along-track satellite altimeter data.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2014
Accession Number
ADA608201

Entities

People

  • Andrew J. Morten
  • Brian K. Arbic
  • Guillaume Serazin
  • James G. Richman
  • Jay F. Shriver
  • Malte Mueller
  • Robert B. Scott
  • Thierry Penduff

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Computational Fluid Dynamics
  • Dynamics
  • Energy Transfer
  • Fluid Dynamics
  • Frequency
  • Frequency Domain
  • Grids
  • Gulf Stream
  • High Latitudes
  • High Resolution
  • Kinetic Energy
  • Ocean Currents
  • Oceanography
  • Oceans
  • Simulations
  • Two Dimensional

Fields of Study

  • Environmental science

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Coastal Oceanography
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers

Technology Areas

  • Space