Lagrangian and Eulerian diffusion study in the coastal surface layers. Progress report, July 1, 1979-June 30, 1980

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Description

This research project addresses a fundamental problem in turbulence theory, the relation between Lagrangian and Eulerian statistics, by carrying out, analyzing, and interpreting a set of field experiments in the coastal waters off the south shore of Long Island. The study will not only provide information on the relation between the Lagrangian and Eulerian autocorrelations but also between the various experimental methods for quantitatively estimating turbulent diffusion. Two experiments, one in summer and one in winter, consisting of simultaneous measurements of dye diffusion, drogue dispersion, and Eulerian current velocities in a typical coastal locale were planned. In order to ensure ... continued below

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Pages: 52

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Carter, H H; Okubo, A; Wilson, R E; Sanderson, B & Pritchard, D W July 1, 1980.

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Description

This research project addresses a fundamental problem in turbulence theory, the relation between Lagrangian and Eulerian statistics, by carrying out, analyzing, and interpreting a set of field experiments in the coastal waters off the south shore of Long Island. The study will not only provide information on the relation between the Lagrangian and Eulerian autocorrelations but also between the various experimental methods for quantitatively estimating turbulent diffusion. Two experiments, one in summer and one in winter, consisting of simultaneous measurements of dye diffusion, drogue dispersion, and Eulerian current velocities in a typical coastal locale were planned. In order to ensure a match between the Lagrangian (drogues, dye) scales of motion and the Eulerian (current meters) scales, however, a preliminary experiment, consisting of a 6 mooring current meter array and a short (approx. 3 hours) drogue experiment, was conducted during March 1980. Results of this preliminary experiment and their implications to the experimental program are discussed. The principal results were an improved design of our current meter array, and a wider variety of drogue experiments, i.e., multi-level, multi-scale, and continuous source simulation.

Physical Description

Pages: 52

Notes

NTIS, PC A04/MF A01.

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  • Report No.: DOE/EV/10250-T1
  • Grant Number: AS02-79EV10250
  • DOI: 10.2172/5179133 | External Link
  • Office of Scientific & Technical Information Report Number: 5179133
  • Archival Resource Key: ark:/67531/metadc1057962

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • July 1, 1980

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 25, 2018, 12:51 p.m.

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Carter, H H; Okubo, A; Wilson, R E; Sanderson, B & Pritchard, D W. Lagrangian and Eulerian diffusion study in the coastal surface layers. Progress report, July 1, 1979-June 30, 1980, report, July 1, 1980; United States. (digital.library.unt.edu/ark:/67531/metadc1057962/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.