Journal ArticleDOI
Ocean acoustic tomography: a scheme for large scale monitoring
Walter Munk,Carl Wunsch +1 more
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TLDR
It is concluded that such a system for monitoring ocean basins for mesoscale fluctuations, using acoustic inverse techniques, is achievable now and has potential for development in a number of directions.About:
This article is published in Deep Sea Research.The article was published on 1979-02-01. It has received 578 citations till now. The article focuses on the topics: Ocean acoustic tomography & Temporal resolution.read more
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Data assimilation in meteorology and oceanography
TL;DR: A review of current operational practice and of advanced data assimilation techniques in meteorology can be found in this article, where the authors provide a review of the most advanced data-assimilation techniques for meteorological and oceanographic data.
Journal ArticleDOI
An overview of matched field methods in ocean acoustics
TL;DR: In this paper, a short historical overview of matched field processing (MFP) is presented, followed by background material in both ocean acoustics and array processing needed for MFP.
Journal ArticleDOI
Linear Differential Operators. By C. Lanczos. Pp. 580. 80s. 1961. (Van Nostrand, London)
TL;DR: In this article, the Fourier series for differentiable functions of higher differentiability has been studied and an alternative method of estimation has been proposed for estimating the Gibbs oscillations of the finite Fourier expansion.
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Ocean Acoustic Tomography
TL;DR: In this paper, the authors present a comprehensive presentation of the underlying oceanography and mathematics necessary to understand and develop such a system, as well as numerous models for data interpretation, including forward and inverse tomography.
References
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Journal ArticleDOI
The Resolving Power of Gross Earth Data
George E. Backus,Freeman Gilbert +1 more
TL;DR: In this article, the authors show how to determine whether a given finite set of gross Earth data can be used to specify an Earth structure uniquely except for fine-scale detail, and the shortest length scale which the given data can resolve at any particular depth.
Journal ArticleDOI
Determination of the three‐dimensional seismic structure of the lithosphere
TL;DR: In this article, a new three-dimensional earth modeling is proposed as a framework to obtain more detailed and accurate information about the earth's interior, based on the teleseismic P travel time residuals observed at an array of seismographs distributed on the surface above the earth volume.
Journal ArticleDOI
Numerical Applications of a Formalism for Geophysical Inverse Problems
George E. Backus,J. F. Gilbert +1 more
TL;DR: In this paper, the authors prove that the collection of Earth models which yield the physically observed values of any independent set of gross Earth data is either empty or infinite dimensional, and exploit this very high degree of non-uniqueness in real geophysical inverse problems to generate computer programs which iteratively produce Earth models to fit given gross earth data and satisfy other criteria.
Journal ArticleDOI
Space-Time Scales of Internal Waves' A Progress Report
Chris Garrett,Walter Munk +1 more
TL;DR: In this article, a revised model for the distribution of internal wave energy in wave number frequency space is presented, guided by the following measurements: moored spectra and moored coherences for horizontal and vertical separations.