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Wednesday, August 5, 2020 | History

2 edition of SOFAR float Mediterranean outflow experiment found in the catalog.

SOFAR float Mediterranean outflow experiment

Marguerite E. Zemanovic

SOFAR float Mediterranean outflow experiment

summary and data from 1986-88

by Marguerite E. Zemanovic

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  • 1 Currently reading

Published by Woods Hole Oceanographic Institution in Woods Hole, Mass .
Written in English

    Subjects:
  • Ocean currents -- Mediterranean Sea.,
  • Ocean circulation -- Measurement -- North Atlantic Ocean.

  • About the Edition

    In October, 1984, the Woods Hole Oceanographic Institution SOFAR float group began a three and a half year field program to measure the velocity field of the Mediterranean water in the eastern North Atlantic. The principal scientific goal was to learn how the Mediterranean salt tongue is produced by the general circulation and the eddy diffusion of the Canary Basin. Thirty-two floats were launched at depths near 1100 m: 14 in a cluster centered on 32N, 24W, with nearest neighbors at 20 km spacing, 10 at much wider spacing to explore regional variations of first order flow statistics, and 8 in three different Meddies (Mediterranean water eddies) in collaboration with investigators from Scripps Institution of Oceanography and the University of Rhode Island. The floats were launched in 1984 and 1985, and tracked with U.S. and French ALSs (moored listening stations) from October 1984 to June 1988. This report includes a summary of the whole three and a half year experiment, the final year and a half of data processed from the third ALS setting (October 1986-June 1988), and the first deep sea test of Bobber EB014 in the eastern subtropical North Atlantic (May 1986-May 1988). Approximately 60 years of float trajectories were produced during the three and a half years of the experiment.

    Edition Notes

    Statementby Marguerite E. Zemanovic, Philip L. Richardson and James F. Price.
    SeriesWHOI / Woods Hole Oceanographic Institution -- 90-01., WHOI (Series) -- 90-01.
    ContributionsRichardson, Philip L. 1940-, Price, James F.
    The Physical Object
    Paginationiv, 239 p. :
    Number of Pages239
    ID Numbers
    Open LibraryOL15158293M

    Mediterranean outflow water in terms of its salinity, density, and flow patterns. Part 1 of this work is a descriptive analysis of the fate of the Mediterranean Water once it flows out of the Strait of Gibraltar. Tracing the salinity and density signatures, high-resolution maps. cnal float using a spring and a piston, and how sound is transmitted via the SOFAR channel. It also considers sig-nificant findings from a number of float experiments. The anecdotes from the early experiments, at a time when ocean theory and float engineering were in their infancy, make entertaining reading. Chapter 2 (by R. Lumpkin and.

    The trickle of water that began to flow from the Mediterranean Sea into the Atlantic Ocean after the opening of the Strait of Gibraltar turned into a veritable flood by the end of the Pliocene 2 to 3 million years ago. It then began to influence large-scale ocean circulation in earnest. Hernández-Molina et al. describe marine sediment cores collected by an ocean drilling expedition (see the. Mediterranean outflow water moves downward along the continental slope, mixing with Atlantic water as it sinks to a depth of--• m, where it reaches water of the same density. At this level it spreads out across the Atlantic, resulting in an intermediate-depth salinity maximum, which is the characteristic feature of the core of upper North.

    2 Publications Richardson, Philip L., and John A. Knauss, Gulf Stream and western boundary undercurrent observations at Cape Hatteras. Deep-Sea Research, This wasn’t just an exciting idea; it was a revolutionary concept. Twenty SOFAR floats were deployed to great success to study the mesoscale eddy field in the Mid-Ocean Dynamics Experiment (MODE) in Many SOFAR float studies followed, including one to tag and track a Mediterranean .


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SOFAR float Mediterranean outflow experiment by Marguerite E. Zemanovic Download PDF EPUB FB2

In order to broaden and increase the data coverage of the region and to obtain more accurate estimates of Eulerian velocities, the data were supplemented with historical observations at the depth of the MW: SOFAR floats SOFAR float Mediterranean outflow experiment book the Mediterranean Outflow Experiment (MOE; Armi et al.

; Richardson et al. ; Spall et al. ; Richardson et al Cited by:   SOFAR float Mediterranean outflow experiment data from the second year, View/ Open. WHOIpdf (Mb) Date Author. Zemanovic, Marguerite E. Concept link Richardson, Philip L. Concept link Valdes, James R. Concept link Price, James F.

Author: Marguerite E. Zemanovic, Philip L. Richardson, James R. Valdes, James F. Price, Laurence Armi. SOFAR float trajectories from an experiment to measure the Atlantic cross equatorial flow () View/ Open.

WHOIpdf (Mb) Date Author. The Mediterranean outflow experiment was carried out between and to observe the long-term motion of SOFAR floats released within the Mediterranean salt tongue. The primary goal of the experiment was to understand how advection and diffusion produce. Recent moored current meter and SOFAR float observations in the eastern Atlantic near 32N.

Mediterranean outflow experiment: data from the first year. the high frequency contains all the energy at periods between 2 and 50 days based on the Lagrangian trajectories from the SOFAR float Mediterranean outflow experiment. The zonal motions are found near the core of the salt tongue in the Canary Basin while the.

SOFAR Float Mediterranean Outflow Data from the first year, Woods Hole Oceanographic Institution Technical Report WHOI, pp. Ruddick, B.R.,   Trajectory of a SOFAR float O'GARA R. M., H. ROSSBY and D. SPAIN () SOFAR float pilot studies in the western North Atlantic University of Rhode Island Technical Report No.pp.

OWENS W. () A synoptic and statistical description of the Gulf Stream and subtropical gyre using SOFAR floats. SOFAR floats used for the TOPOGULF experiment were made of aluminum tubing (cm diameter, more than 7 m long, for kg weight in air).

These floats were ballasted before launch for a target in situ density at db of kg m −3 (T = °C, S = ) at the western launch site and kg m −3 (T = °C, S = ) at the. Poulain, P.-M., Zanasca, P., Drifter and float observations in the Adriatic Sea (): data report.

NATO SACLANT Undersea Research Centre Memorandum. SM Richez, Claude, The West Spitsbergen Current as seen by SOFAR floats during the ARCTEMIZ 88 Experiment: statistics, differential kinematic properties, and. Lagrangian trajectories from the SOFAR float Mediterranean outflow experiment are used to estimate the low frequency variability and mixing in the vicinity of the Mediterranean salt tongue.

Two. Mediterranean Outflow. A Mediterranean Undercurrent Seeding Experiment (AMUSE )- Armi,Bower In this project, PI's will study the dispersion of Mediterranean Water into the North Atlantic by seeding the Mediterranean Undercurrent near its source with lagrangian drifters. SOFAR float Mediterranean outflow experiment, data from the second year – Woods Hole Oceanographic Institution Technical Report, WHOI, pp.

Price, James F., Theresa K. McKee, James R. Valdes, Philip L. Richardson and Laurence Armi, SOFAR Float Mediterranean Outflow Experiment: Data from the first year, – Gulf Stream Recirculation Experiment (GUSREX) and Line Experiment SOFAR float data Woods Hole Oc- eanographic Institution Tech.

Rept. WHOI, pp. McKee, T.K., A summary of historical SOFAR float data in the western North Atlantic, SOFAR float Mediterranean Outflow Experiment. Summary and data from - Jan p. NTIS NO. PB /AS. Bonjo. Sus Richard Irishfield an Albert Pllledde The Arctic Environmental Drifting Buoy CAEB). Report of field operations and results: August April Jan iv, p.

NTIS NO. ADA Osteraann. SOFAR Float Observations of an Intermediate-Depth Eastern Boundary Current and Mesoscale Variability in the Eastern Tropical Atlantic Ocean* DAVID M. FRATANTONI AND PHILIP L.

RICHARDSON Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts (Manuscript received 28 Augustin final form 13 July. / The lOS experiment is designed specifically with the near-sea-bed DOE interests in mind but it will benefit both logistically and scientifically from other SOFAR float measurements to be carried out simultaneously by US and European laboratories.

Fig. It will be seen in this document however that none of the other projects will make. The Mediterranean Sea produces a salty, dense outflow that is strongly modified by entrainment as it first begins to descend the continental slope in the eastern Gulf of Cadiz.

The current accelerates to meters per second, which raises the internal Froude number above 1, and is intensely turbulent through its full thickness. The outflow loses about half of its density anomaly and roughly.

34 - SOFAR Float Pilot Studies PRELDE Rossby URI SOFAR 63 35 - Semaphore Meddies SEMMED Richardson WHOI RAFOS 10 38 - Red Sea Outflow Experiement REDSOX Bower WHOI RAFOS 49 39 - Export Pathways from the Subpolar North Atlantic EXPATH Bower WHOI RAFOS 55 41 - SOFAR ARGOS Experiment.

In experiment NoNile, the freshwater sink at Gibraltar was increased from to Sv to mimic the additional freshwater loss in the absence of Nile inflow into the Mediterranean. In experiment Salt, a fairly realistic tongue of Mediterranean water spreads westward across the Atlantic, with a maximum salinity at 1, m.

A Mediterranean Undercurrent Seeding Experiment (AMUSE): Part I I: RAFOS Float Data Report May - March by Heather D. Hunt, Christine M. Wooding, Cynthia L. Chandler, and Amy S. Bower RAFOS floats are designed to take measurements of temperature, salinity, and pressure in layers of ocean water one to three thousand meters below the.Ocean circulation model experiments, however, suggest that this fear is unfounded.

While Mediterranean saltwater outflow (Figure 1a) does appear to have some effect on North Atlantic circulation and surface climate, the change in Mediterranean salt budget resulting from the Aswan Dam is far too small to have any noticeable impact. Preliminary results from the SOFAR float Mediterranean outflow experiment.

ICCM; Las Palmas de Gran Canaria (Spain) pp. ; ; (Oceanography and marine resources in the Eastern Central Atlantic) pp.