Dean Jerome P.

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Jerome P.
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  • Technical Report
    A vector-averaging wind recorder (VWAR) system for surface meteorological measurements in CODE (Coastal Ocean Dynamics Experiment)
    (Woods Hole Oceanographic Institution, 1988-05) Dean, Jerome P. ; Beardsley, Robert C.
    As part of the Coastal Ocean Dynamics Experiment (CODE) field program, moored buoys were instrumented to measure and record wind speed and direction, air and water temperature, insolation, barometric pressure and relative humidity. Appropriate sensors were selected, necessary modifications to the sensors and existing current meters were made, and Vector Averaging Wind Recorders (VAWRs) were assembled. R. M. Young utility rotor and vane wind sets designed by G. Gill, Paroscientific Digiquartz pressure sensors, Eppley pyranometers and Hy-Cal relative humidity and solar sensors were used in two field experiments . Standard VACM direction and temperature sensors were maintained in the wind recorders. Devices were constructed as needed to protect against measurement errors due to wind, sun and ocean spray. Four W.H.O.I. VAWRs with Gill wind sensor sets were deployed CODE-1 in 1981. Seven VAWRs were deployed in CODE-2 in 1982. A modified VMCM (Vector Measuring Current Meter) was used for comparison in CODE-1, and the seventh VAWR deployed in CODE-2 carried an integral sensor set for comparison. Although several VAWRs had minor problems, all but one VAWR in the two experiments returned useful scientific data.
  • Technical Report
    Observations of the Antarctic polar front during FDRAKE 76 : a cruise report
    (Woods Hole Oceanographic Institution, 1976-11) Joyce, Terrence M. ; Dean, Jerome P. ; McCartney, Michael S. ; Millard, Robert C. ; Moller, Donald A. ; Voorhis, A. ; Dahm, C. ; Georgi, Daniel T. ; Kullenberg, G. ; Toole, John M. ; Zenk, Walter
    During March/April 1976 the small-scale structure of the Antarctic Polar Front was observed in the Drake Passage. The observations were part of the International Southern Ocean Studies (ISOS) program called FDRAke 76. The purpose of the program was to obtain densely sampled measurements of temperature, salinity, dissolved oxygen, and chemical nutrients in the Polar Front Zone (PFZ) and pilot measurements of horizontal and vertical velocities in order to explain the above scalar variability. The PFZ is a region where Antarctic and sub-Antarctic waters intermingle and presumably mix to affect the properties of Antarctic Intermediate Water. A report on the third leg of Cruise 107 of the R. V. THOMPSON is presented as well as a description of the measurements and a preliminary report of the data. A feature of interest is the pinching off of a northward meander of the circumpolar current system into a cyclonic ring of Antarctic Waters.
  • Technical Report
    Subduction in the subtropical gyre : Seasoar cruises data report
    (Woods Hole Oceanographic Institution, 1995-09) Pallant, Julie S. ; Bahr, Frank B. ; Joyce, Terrence M. ; Dean, Jerome P. ; Luyten, James R.
    The overall objective of the Subduction Accelerated Research Initiative (ARI) was to bring together several techniques to address the formation and evolution of newly formed water masses. The Seasoar component provided surveys of temperature and salinity to help determine the spatial varability of the temperature, salinity and density fields in both the active frontal regions and in the vicinity of subducting water tagged by bobbers. Data were collected in the eastern North Atlantic Ocean in spring 1991, winter 1992, winter 1993 and spring 1994. "Star" patterns were used to study the mesoscale varability. Temperature, pressure and thickness for each pattern were objectively mapped on potential density surfaces of 26.5, 26.7 and 26.9 kg/m3. Acoustic Doppler Current Profies (ADCP) maps were also created for the the two shallower density surfaces. We describe the Seasoar data collected during the four cruises. A CD-Rom includes 1- and 3-second conductivity-temperature-depth (CTD), cruise navigation, ADCP and Seasoar engineering data, as well as color figures of these data. This data report can also be viewed using an internet information browser (i.e., Mosaic, Netscape) using the provided CD-Rom.
  • Technical Report
    FASINEX (Frontal Air-Sea Interaction Experiment) moored instrumentation
    (Woods Hole Oceanographic Institution, 1989-02) Trask, Richard P. ; Dean, Jerome P. ; Valdes, James R. ; Marquette, Craig D.
    In 1986, FASINEX, a Frontal Air-Sea Interaction Experiment, a multi-investigator cooperative experiment, was conducted to study the role of horizontal variability in air-sea interaction in the persistent front formed in the subtropical convergence zone south of Bermuda. Aimed at investigating all aspects of the atmospheric and oceanic variables related to the formation and maintenance of the front, an array of meteorological and current meter moorings was deployed by the Woods Hole Oceanographic Institution Buoy Group in 5400 meters of water . Two subsurface current meter moorings were deployed in October, 1984; five surface meteorological and current meter moorings and four Profiling Current Meter (PCM) moorings were set in January 1986 . All except one PCM mooring, which was lost, were recovered in June 1986. This report discusses the extensive preparations of, and modifications to, the Woods Hole Oceanographic Institution Buoy Group instruments placed on the five surface moorings. The equipment included 30 vector measuring current meters, ten vector averaging current meters and five vector averaging wind recorders .
  • Technical Report
    Hudson '70 : gravity observations 62.9S̊ - 57.5N̊ along 150W̊
    (Woods Hole Oceanographic Institution, 1971-11) Von Arx, William S. ; Bowen, D. C. ; Dean, Jerome P. ; Harworth, R. T.
    To provide geoidal topography over the world oceans, a radar altimeter carried by earth satellite is planned. Ground truth calibration will be provided by a grid comprised of the equatorial belt and meridional traverses along the 30°W and 150°W meridians. Ground truth topography is derived from gravity values measured along these traverses. This report presents the free air gravity values and the computed free air anomalies obtained from 62.9°S to 57.5°N along the 150°W meridian.
  • Technical Report
    Gravity observations 09.0°E to 37.9°W along the equator
    (Woods Hole Oceanographic Institution, 1972-07) Dean, Jerome P. ; McCullough, C. B.
    This report presents free air gravity values and computed free air anomalies obtained on an equatorial traverse from 09°00'E. to 37°56'W. It is the second of a series of reports presenting the gravity data to be used in deriving a "ground truth" calibration grid for comparison with topographical details of the world oceans obtained by a radar altimeter in an earth satellite scheduled to fly in 1974. A previous report (WHOI Technical Report #71-68) gave similar values taken on a traverse along the 150°W. meridian from 62.9°S. to 57.5° N.
  • Technical Report
    Accuracy of temperature measurements with the VACM
    (Woods Hole Oceanographic Institution, 1976-10) Payne, Richard E. ; Bradshaw, Alvin L. ; Dean, Jerome P. ; Schleicher, Karl E.
    For the past five years the Buoy Group at Woods Hole Oceanographic Institution has included temperature as one of the variables recorded in its current meters. These measurements began with the first successful deployments of Vector Averaging Current Meters (VACMs) in 1971. Circuitry designed for making highly accurate temperature measurements has been included in all the Buoy Project's VACMs. During the past year we have begun to add similar circuitry to the EG&G 850 current meters. This report is intended to describe what we have learned about making water temperature measurements with VACMs.
  • Technical Report
    A moored instrument for vertical temperature gradients
    (Woods Hole Oceanographic Institution, 1979-12) Dean, Jerome P.
    Vector averaging current meters have been modified to measure the temperature gradient in addition to current and absolute temperature. The modified instrument measures the temperature difference between sensors spaced vertically 1.74 m apart (or closer) using thermistors in a Wheatstone bridge circuit. Calibrations provide corrections for drift and static offset resulting in temperature gradient measurements accurate to about 0.5 m ~c;m. Originally developed to infer vertical velocities, the instrument has also been successfully used to study mixed layer motions and thickness variations and to investigate temperature fine structure.