Study of Basin Scale Acoustic Transmissions

Abstract

A basin-scale acoustic tomography experiment was conducted in the northeast Pacific from May 1987 to September 1987. In this thesis, the stability of the forward model is analyzed. There are large non-linearities in the changes in travel time between ray paths for the four seasons. I constructed a model in which the change in warming in the upper 100 m of the ocean was due only to changes in surface solar irradiance. The value of the surface solar irradiance anomalies necessary to cause the tomography results for warming (Spiesberger and Metzger, 1991) was computed. This value was larger than the actual value of surface solar irradiance anomaly which was computed using inputs measured by satellite (Chertock, 1989).

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1992
Accession Number
ADA256496

Entities

People

  • John R. Nystrom

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Sensors
  • Space

DTIC Thesaurus Topics

  • Acoustic Tomography
  • Acoustic Waves
  • Acoustics
  • Climate Change
  • Computer Science
  • Databases
  • Grids
  • Heat Energy
  • Latent Heat
  • Massachusetts
  • Measurement
  • Ocean Acoustic Tomography
  • Refraction
  • Solar Energy
  • Solar Radiation
  • Specific Heat
  • World Geodetic System

Readers

  • Atmospheric Remote Sensing.
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Polar and Arctic Studies

Technology Areas

  • Space