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  • CTD  (8)
  • Alvin (Submarine)  (6)
  • Physics
  • Woods Hole Oceanographic Institution  (15)
  • 2005-2009  (15)
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  • 1
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: Full scale dynamometer tests were run on a series of unshrouded propellers in the range of propeller diameters considered practical for use on the side propulsion units of the research submarine ALVIN. Measurements taken included static thrust, torque, and RPM for various values of hydraulic power input to the driving motor. In other tests, propellers having 14 inch diameter and 20 inch pitch (the present ALVIN configuration) were compared for static thrust as follows: conventional blade shape, unshrouded; conventional blade shape in ALVIN flow-accelerating nozzle unit; square-ended blades in ALVIN nozzle unit. Recommendations are given concerning the proposed new ALVIN side propulsion units.
    Keywords: Alvin (Submarine) ; Propellers ; Oceanographic submersibles
    Repository Name: Woods Hole Open Access Server
    Type: Working Paper
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  • 2
    Publication Date: 2022-05-25
    Description: This report describes calibration techniques developed over the past three years for the WHOI/Brown CTD in the Moored Array Program. Comparison is made with classical methods of hydrography for stations obtained in the MODE-1 density program. Methods for temperature lag correction and conversion of conductivity to salinity are given.
    Description: Prepared for the Office of Naval Research under Contract N00014-74-C0262; NR 083-004.
    Keywords: CTD ; Calibration ; Salinity
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 3
    Publication Date: 2022-05-25
    Description: Hydrograhic (CTD) and acoustic Doppler current profiler (ADCP) observations were made on the North Brazil shelf adjacent to the mouth of the Amazon River during R/V Iselin cruise I9113 November 5-25, 1991 as part of A Multidisciplinary Amazon Shelf SEDiment Study (AMASSEDS). These observations were obtained during a large-scale survey on Leg 3 in support of geological and geochemical sampling, and during a frontal zone survey on Leg 4 consisting of 14 and 26 hourly CTD casts at anchored stations. The maximum sampling depth at each station was within two meters of the bottom. The primary objectives of the AMASSEDS hydrographic meaurement program were (a) to observe and characterize the temperature, salinity, density, oxygen, fluorescence and light transmission fields and their spatial variabilty on the north Brazilian shelf directly influenced by the Amazon River discharge, (b) to resolve the seaward extent and vertical structure of the surface plume of low salinity Amazon River water during different stages of river discharge, (c) to describe the spatial structure of the turbidity and associated suspended sediment distributions across the shelf, (d) to chacterize the properties of the Amazon shelf water beneath the surface plume and their seasonal variabilty, and (e) to describe the landward penetration of the North Brazil Current with respect to water properties and shelf currents. This report represents a summary in graphic and tabular form of the hydrograhic observations made during the fourth AMASSEDS cruise (I9113) on the R/V Iselin.
    Description: Funding was provided by the National Science Foundation through Grant No. OCE 88-12917.
    Keywords: Hydrography ; CTD ; Suspended sediment ; North Brazil Coastal Region ; Amazon River ; AmasSeds (A Multidisciplinary Amazon Shelf SEDiment Study) ; Equator ; Equatorial ; Columbus Iselin (Ship) Cruise CI9113
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 4
    Publication Date: 2022-05-25
    Description: Detailed summary of geologic dives made by the submersible ALVIN in the Gulf of Maine. Report includes sampling procedures followed by the submersible, a listing and areal distribution of the samples collected, a comparison of the submersible to other sampling techniques, and the relationship of individual pilots to sampling success. Each dive is described in detail including representative bottom photographs and artist's concepts of outcrop regions.
    Description: Prepared for the Office of Naval Research under Contract N00014-73-C-0097; NR 265-107, the Department of Defense Research Project Agency Contract N00014-71-C-02B4; NR 293-00B, and for the National Science Foundation Grants GA-32454 and GD-3255B.
    Keywords: Alvin (Submarine) ; Geology
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 5
    Publication Date: 2022-05-25
    Description: A trans-Indian Ocean hydrographic section employing CTD/O2 profilers was conducted between Africa and Australia during austral spring 1987. The cruise track ranged between 29°S and 34°S; the average latitude of the crossing was 32°S. The purpose of the cruise was to explore various aspects of the South Indian Ocean including the characteristics of the core water masses of this ocean, the strength of the subtropical gyre, the structure and transport of deep western-boundary currents, and the net meridional heat flux. A total of 109 CTD/O2 profiles with associated rosette water sample measurements and 347 XBT profiles were collected, supplemented by underway upper ocean velocity, bathymetric and sea surface temperature and salinity data. This report detals the data collection, calibration, and reduction methods, and summarizes the hydrographic observations.
    Description: Funding was provided by the National Science Foundation through Grant No. OCE 86-14497.
    Keywords: CTD ; Hydrographic ; Charles Darwin (Ship) Cruise CD29
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 6
    Publication Date: 2022-05-25
    Description: Hydrographic (CTD) and acoustic Doppler current profiler (ADCP) observations were made on the North Brazil shelf adjacent to the mouth of the Amazon River during R/V Iselin cruise I9004 May 23-June 13, 1990 as part of A Multidisciplinary Amazon Shelf SEDiment Study (AMASSEDS). These observations were obtained during a small-scale survey on Leg 1 in support of mooring deployment operations, during a large-scale survey on Leg 3 in support of geological and geochemical sampling, during a frontal zone survey on Leg 4 consisting of 12 and 24 hourly CTD casts at anchored stations, and during a bottom tripod recovery on Leg 5. The maximum sampling depth at each station was within two meters of the bottom. The primary objectives of the AMASSEDS hydrographic measurement program were (a) to observe and characterize the temperature, salinity, density, oxygen, fluorescence and light transmission fields and their spatial variabilty on the North Brazilian shelf directly influenced by the Amazon River discharge, (b) to resolve the seaward extend and vertical structure of the surface plume of low salinity Amazon River water during different stages of river discharge, (c) to describe the spatial structure of the turbidity and associate suspended sediment distributions across the shelf, (d) to characterize the properties of the Amazon shelf water beneath the surface plume and their seasonal variabilty, and (e) to describe the landward penetration of the North Brazil Current with respect to water properties and shelf currents. This report represents a summary in graphic and tabular form of the hydrographic observations made during the third AMASSEDS cruise (I9004) on the R/V Iselin.
    Description: Funding was provided by the National Science Foundation through Grant No. OCE 88-12917.
    Keywords: Hydrography ; CTD ; Suspended sediment ; AmasSeds (A Multidisciplinary Amazon Shelf SEDiment Study) ; North Brazil Coastal Region ; Columbus Iselin (Ship) Cruise CI9004
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 7
    Publication Date: 2022-05-25
    Description: Originally issued as Reference No. 67-80, series later renamed WHOI-
    Description: In late June and July, 1967, the Deep Submergence Research Vehicle (DSRV) ALVIN, aboard its mother snip, LULU, proceeded from the spring base of operations, Nassau, to its home port of Woods Hole. During this trip, from July 2 to July 14, a series of five dives were made by ALVIN on the Blake Plateau off Georgia and South Carolina, and on the continental slope north of Cape Hatteras.
    Description: U.S. Geological Survey Contracts 14-08-0001-10875 Nonr-3484(00).
    Keywords: Alvin (Submarine) ; Lulu (Ship) Cruise
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 8
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: AQUI89 is a real-time shipboard Conductivity Temperature Depth profiler (CTD) data acquisition system used at the Woods Hole Oceanographic Institution to collect, preview and store (log) data from the WHOI/Brown Mark III CTD microprofiler on a MicroVAX II computer, running the VAX/VMS operating system, version 5.3. This manual contains the instructions for operation of the AQUI89 data acquisition system version 1.0.
    Description: Funding was provided by the National Science Foundation under Grant Nos. OCE87-12087 and OCE90-05218.
    Keywords: CTD ; Acquisition ; Operator's guide
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 9
    Publication Date: 2022-05-25
    Description: Hydrographic (CTD) and acoustic Doppler current profiler (ADCP) observations were made on the North Brazil shelf adjacent to the mouth of the Amazon River during R/V Iselin cruise I9002 February 10-March 29, 1990 as part of A Multidisciplinary Amazon Shelf SEDiment Study (AMASSEDS). These observations were obtained during a small-scale survey on Leg 1 in support of mooring deployment operations, during a lage-scale survey on Leg 3 in support of geological and geochemical sampling, during a frontal zone survey on Leg 4 consisting of 12 and 24 hourly CTD casts at anchored stations, and during a bottom tripod recovery on Leg 5. The maximum sampling depth at each station was within two meters of the bottom. The primary objectives of the AMASSEDS hydrographic measurement program were (a) to observe and characterize the temperature, salinity, density, oxygen, fluorescence and light transmission fields and their spatial variability on the North Brazilian shelf directly influence by the Amazon River discharge, (b) to resolve the seaward extent and vertical structure of the surface plume of low salinity Amazon River water during different stages of river discharge, (c) to describe the spatial structure of the turbidity and associate suspended sediment distributions across the shelf, (d) to characterize the properties of the Amazon shelf water beneath the surface plume and their seasonal variability, and (e) to describe the landward penetration of the North Brazil Current with respect to water properties and shelf currents. This report represents a summary in graphic and tabular form of the hydrographic observations made during the seond AMASSEDS cruise (I9002) on the R/V Iselin.
    Description: Funding was provided by the National Science Foundation through Grant No. OCE 88-12917.
    Keywords: Hydrography ; CTD ; Suspended sediment ; AmasSeds (A Multidisciplinary Amazon Shelf SEDiment Study) ; North Brazil Coastal Region ; Columbus Iselin (Ship) Cruise CI9002
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 10
    Publication Date: 2022-05-26
    Description: A series of laboratory intercalibrations of a CTD system were undertaken between 1986 and 1990 as part of cooperative research program between the United States (US) and People's Republic of China (PRC). A comparison of US and PRC calibration facility standards is carried out using a NBIS/EG&G Marine Instruments Mark IIIb CTD system as a "quasi-transfer standard." When compared with the quoted accuracy of the calibration facilities, pressure was found to be more accurate and temperatue was about as accurate as stated. The conductivity standard differences between facilities are difficult to assess because of the CTD conductivity sensor drift.
    Description: Funding was provided by the National Oceanographic and Atmospheric Administration under Grant No. NA85-AA-d-AC117.
    Keywords: CTD ; Calibration ; Intercalibration
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 11
    Publication Date: 2022-05-26
    Description: This report describes a system for underwater acoustic navigation developed, and in use, at the Woods Hole Oceanographic Institution. It includes a brief discussion of the electronic components, operation, mathematical analysis, and available computer programs. There is a series of supplementary Technical Memoranda containing more information on various aspects of the system. We believe that this kind of documentation is more flexible and better meets the needs of potential users than including all technical details in one large volume. These are not final or definitive reports; acoustic navigation capabilities will continue to evolve at W.H.O.I. for some time. Acoustic navigation provides a method of tracking a ship, and an underwater vehicle or instrument package (‘fish’), in the deep ocean. Acoustic devices attached to the ship and fish measure the length of time it takes a sound pulse to travel to acoustic transponders moored on the ocean floor. If the transponder positions and the average speed of sound are known, the ship or fish position can be found.
    Description: Prepared for the Office of Naval Research under Contracts N00014-71-C0284; NR 293-008 N00014-70-C0205; NR 263-103 and the National Science Foundation/International Decade of Ocean Exploration Grant GX-36024 and the Applied Physics Laboratory of The Johns Hopkins University Contract 372111.
    Keywords: Alvin (Submarine) ; Underwater navigation ; Underwater acoustics
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 12
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-26
    Description: This report is Volume IV in the series of reports entitled "Descriptions of W.H.O.I. Rock Dredge Samples." This volume is dedicated to rock samples recovered by DSV Alvin between 1971 - 1982 and includes data for all rock samples beginning with Alvin 338 and ending with Alvin 1247. The data contained in this volume is an accumulation and transcription of initial descriptions made at sea, along with post-cruise descriptions performed at the lab by the curtorial staff. Volumes I - III contain data from all W.H.O.I. dredging cruises up to 1986. Volume IV presents a digitized listing of all station data for the entire W.H.O.I. dredge/rock collection though 1986. The data in this listing are sorted by Marsden Square and can thus serve as a regional index for all rock samples included in Volumes I - IV.
    Description: Fundig was provided by the National Science Foundation under Contract No. OCE 88-00693 and the Ocean Industry Program.
    Keywords: Alvin (Submarine) ; Rocks ; Rock descriptions
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 13
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-26
    Description: AQUI89 is a real-time shipboard Conductivity Temperature Depth profiler (CTD) data acquisition system used at the Woods Hole Oceanographic Institution to collect, preview and store (log) data from the WHOI/Brown Mark III CTD microprofiler on a MicroVAX II computer, running the VAX/VMS operating system, version 5.3. This manual contains the instructions for the installation of the AQUI89 data acquisition system version 1.0.
    Description: Funding was provided by the National Science Foundation under Grant Nos. OCE87-12087 and OCE90-05218.
    Keywords: CTD ; Acquisition ; Installation maual
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 14
    Publication Date: 2022-05-26
    Description: In 2001, the Geophysical Fluid Dynamics Summer Study Program grappled with Conceptual Models of the Climate. Eli Tziperman (Weizman Institute), Paola Cessi (Scripps Institution of Oceanography) and Ray Pierre- Humbert (University of Chicago) provided the principal lectures. This introduction gave us all a glimpse into the complex problem of the climate, both in the present, past and future, and even on other planets. As always, the next weeks of the program were filled with many seminars from the visitors, and culminated in the fellow's reports.
    Keywords: Climatic changes ; Physics
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 15
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-26
    Description: The authors developed a pendulum inclinometer suitable for use with small deepsubmersibles or surface craft. The instrument uses a relatively short heavy pendulum and a viscous damping system for minimizing the effects of unwanted oscilatory motion. The pendulum relative motion is transmitted to the dial pointer through a flexible cord. The mechanism is designed so that the inclinometer gives a direct reading of the tangent of the angle of inclination. Adjustments are provided for leveling the instrument and for setting the dial to zero. Upper and lower clamping devices protect the pendulum suspension from damage during transit. The inclinometer has been used successfully in recent inclining experiments for the small research submarine Alvin.
    Description: Prepared for the Office of Naval Research under Contract N00014-73-C-0097; NR 083-383.
    Keywords: Deep-submersible stability ; Submersible certification testing ; Alvin (Submarine)
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
    Format: 2232788 bytes
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