PHI AND LAMBDA COMPUTATIONS FOR REAL AND CANONICAL OCEANS.

R. Leung, Harry A Deferrari

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Numerical methods are presented for the computation of PHI , the strength parameter, and LAMBDA , the diffraction parameter, for arbitrary vertical sound-speed and Brunt-Vaisala frequency profiles. Normal mode solutions to the internal wave equation are obtained numerically. Conventional ray tracing using segments of constant sound-speed gradient determines the ray paths. The ray tube method is developed and solved numerically to give the phase curvature A(x) and, in turn, used to compute LAMBDA . Model calculations examine the relationship between the parameters and source-receiver range and depth for canonical profile and profiles typical of the mid-latitudes in the North Atlantic and Pacific Oceans.

Original languageEnglish (US)
Pages (from-to)169-176
Number of pages8
JournalJournal of the Acoustical Society of America
Volume67
Issue number1
StatePublished - Jan 1980

Fingerprint

oceans
rays
profiles
Brunt-Vaisala frequency
internal waves
Atlantic Ocean
acoustics
Pacific Ocean
ray tracing
wave equations
receivers
curvature
tubes
gradients
diffraction
Ray
Ocean
Sound
Curvature
Equations

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

PHI AND LAMBDA COMPUTATIONS FOR REAL AND CANONICAL OCEANS. / Leung, R.; Deferrari, Harry A.

In: Journal of the Acoustical Society of America, Vol. 67, No. 1, 01.1980, p. 169-176.

Research output: Contribution to journalArticle

Leung, R. ; Deferrari, Harry A. / PHI AND LAMBDA COMPUTATIONS FOR REAL AND CANONICAL OCEANS. In: Journal of the Acoustical Society of America. 1980 ; Vol. 67, No. 1. pp. 169-176.
@article{1127aa2d5fd947beaac4fec0850beccc,
title = "PHI AND LAMBDA COMPUTATIONS FOR REAL AND CANONICAL OCEANS.",
abstract = "Numerical methods are presented for the computation of PHI , the strength parameter, and LAMBDA , the diffraction parameter, for arbitrary vertical sound-speed and Brunt-Vaisala frequency profiles. Normal mode solutions to the internal wave equation are obtained numerically. Conventional ray tracing using segments of constant sound-speed gradient determines the ray paths. The ray tube method is developed and solved numerically to give the phase curvature A(x) and, in turn, used to compute LAMBDA . Model calculations examine the relationship between the parameters and source-receiver range and depth for canonical profile and profiles typical of the mid-latitudes in the North Atlantic and Pacific Oceans.",
author = "R. Leung and Deferrari, {Harry A}",
year = "1980",
month = "1",
language = "English (US)",
volume = "67",
pages = "169--176",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "1",

}

TY - JOUR

T1 - PHI AND LAMBDA COMPUTATIONS FOR REAL AND CANONICAL OCEANS.

AU - Leung, R.

AU - Deferrari, Harry A

PY - 1980/1

Y1 - 1980/1

N2 - Numerical methods are presented for the computation of PHI , the strength parameter, and LAMBDA , the diffraction parameter, for arbitrary vertical sound-speed and Brunt-Vaisala frequency profiles. Normal mode solutions to the internal wave equation are obtained numerically. Conventional ray tracing using segments of constant sound-speed gradient determines the ray paths. The ray tube method is developed and solved numerically to give the phase curvature A(x) and, in turn, used to compute LAMBDA . Model calculations examine the relationship between the parameters and source-receiver range and depth for canonical profile and profiles typical of the mid-latitudes in the North Atlantic and Pacific Oceans.

AB - Numerical methods are presented for the computation of PHI , the strength parameter, and LAMBDA , the diffraction parameter, for arbitrary vertical sound-speed and Brunt-Vaisala frequency profiles. Normal mode solutions to the internal wave equation are obtained numerically. Conventional ray tracing using segments of constant sound-speed gradient determines the ray paths. The ray tube method is developed and solved numerically to give the phase curvature A(x) and, in turn, used to compute LAMBDA . Model calculations examine the relationship between the parameters and source-receiver range and depth for canonical profile and profiles typical of the mid-latitudes in the North Atlantic and Pacific Oceans.

UR - http://www.scopus.com/inward/record.url?scp=0018924897&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0018924897&partnerID=8YFLogxK

M3 - Article

VL - 67

SP - 169

EP - 176

JO - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 1

ER -