Briscoe Melbourne G.

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Briscoe
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Melbourne G.
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Start date: 1979 × End date: 1979 ×

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  • Technical Report
    Atlantis II : cruise 102 : preliminary CTD data from Jasin 1978
    (Woods Hole Oceanographic Institution, 1979-12) Pennington, Nancy J. ; Briscoe, Melbourne G.
    102 profiles of conductivity, temperature, and depth (pressure) (CTD) were taken in the JASIN area northwest of Scotland in July-September 1978. These stations consisted of single and yo-yo profiles. The data set includes 14 stations taken near Anton Dohrn Seamount at 57°30'N, 11°W . Plotted profiles of temperature, salinity, sigma-theta, and buoyancy frequency, and a listing of the data, are included for most stations.
  • Technical Report
    Atlantis II : cruise 102 : moored and shipboard surface meteorological measurements during JASIN 1978
    (Woods Hole Oceanographic Institution, 1979-12) Briscoe, Melbourne G. ; Alessi, Carol A. ; Payne, Richard E. ; Peal, Kenneth R.
    During cruise 102 of the R/V Atlantis-II in the Joint Air-Sea Interaction Project (JASIN), surface meteorological data were gathered by Woods Hole Oceanographic Institution personnel from two moored buoys and from the ship. One buoy (JASIN W2/WHOI 651) carried a Vector Averaging Wind Recorder (VAWR) and a Vector Measuring Wind Recorder (VMWR); these instruments provided 18 days of intercomparison data and 38 days of meteorological data from 30 July to 6 September 1978. The other buoy (JASIN H2) carried a VMWR and gave 25 total days of data from 16 July to 10 August, and from 26 August to 1 September. A PET computer, hardwired to sensors positioned on the ship, displayed data that were logged during both legs of the cruise. Manual data were gathered by the science watches. This report describes the PET system, and displays and compares all the data. VAWR hourly meteorological data are listed for the 38 day period. Scientific interpretation of these data, such as calculations of heat fluxes, will be published separately.
  • Technical Report
    A compilation of moored current meter and wind recorder data : volume XVIII (JASIN 1978, moorings 651-653)
    (Woods Hole Oceanographic Institution, 1979-07) Tarbell, Susan A. ; Briscoe, Melbourne G. ; Weller, Robert A.
    Summaries of current and temperature measurements from three moorings in the 1978 Joint Air-Sea Interaction Project . (JASIN) are presented; the moorings are WHOI/JASIN numbers 651/Wl, 652/W2, and 653/W3. The instruments were either Vector Averaging Current Meters (VACM), Scripps Institution of Oceanography Vector Measuring Current Meters (VMCM) , or Neil Brown Acoustic Current Meters (ACM). Displays include time series, histograms, progressive vector diagrams, scatter plots, and spectra; statistics are given for the entire deployment period (some 40 days) and for each 5-day segment. Additional measurements include pressure and vertical temperature gradient. Wind records and other meteorological observations from one of the moorings are given, as well as partial wind records from another JASIN mooring (H2) .
  • Technical Report
    Vertical coherence of the internal wave field from towed sensors
    (Woods Hole Oceanographic Institution, 1979-12) Katz, Eli J. ; Briscoe, Melbourne G.
    Constant depth and isopycnal‐following tows are used to estimate the, towed vertical coherence of the internal wave field, at vertical separations of 8.5, 18, 28 and 70 m. The depths of the tows are ∼750 m at the maximum of the buoyancy frequency in the main thermocline of the Sargasso Sea, and near 350 m in the buoyancy frequency minimum between the main and seasonal thermoclines. The towed spectra and towed vertical coherence are compared with three model spectra (GM75, GM76 and IWEX): at 750 m the agreement between data and models is very good, with IWEX being slightly better. At 350 m several of the measured towed vertical coherence spectra are more complex than the spectra from the deeper tows, there are anomalously high coherences in a band from 0.7 to 2 cycles per kilometer that are not predictable by the models. We suggest this coherence bump may be evidence of Eckart resonance, i.e., modes tunneling between the two thermoclines into the region of low buoyancy frequency.