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  • Geophysics  (25)
  • Alvin (Submarine)  (6)
  • Atmosphere-ocean system
  • Salinity
  • Woods Hole Oceanographic Institution  (33)
  • American Meteorological Society  (2)
  • Nigerian Institute for Oceanography and Marine Research  (1)
  • Springer Nature
  • 2005-2009  (36)
  • 1975-1979
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Year
  • 1
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    Using Temperature–Salinity Relations in a Global Ocean Implementation of a Multivariate Data Assimilation Scheme (2008)
    American Meteorological Society
    Details
    Publication Date: 2017-04-04
    Description: In this paper results from the application of an ocean data assimilation (ODA) system, combining a multivariate reduced-order optimal interpolator (OI) scheme with a global ocean general circulation model (OGCM), are described. The present ODA system, designed to assimilate in situ temperature and salinity observations, has been used to produce ocean reanalyses for the 1962–2001 period. The impact of assimilating observed hydrographic data on the ocean mean state and temporal variability is evaluated. A special focus of this work is on the ODA system skill in reproducing a realistic ocean salinity state. Results from a hierarchy of different salinity reanalyses, using varying combinations of assimilated data and background error covariance structures, are described. The impact of the space and time resolution of the background error covariance parameterization on salinity is addressed.
    Description: This work has been funded by the ENACT Project (Contract EVK2-CT2001-00117) for A. Bellucci and P. Di Pietro, and partially by the ENSEMBLES Project (Contract GOCE-CT-2003-505539) for A. Bellucci.
    Description: Published
    Description: 3785-3807
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: JCR Journal
    Description: reserved
    Keywords: ocean modelling ; data assimilation ; reanalysis ; upper ocean variability ; temperature ; Salinity ; 03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    The Role of the Land Surface Background State in Climate Predictability (2005)
    American Meteorological Society
    Details
    Publication Date: 2021-05-19
    Description: Skill in ensemble-mean dynamical seasonal climate hindcasts with a coupled land-atmosphere model and specified observed sea surface temperature is compared to that for long multi-decade integrations of the same model where the initial conditions are far removed from the seasons of validation. The evaluations are performed for surface temperature and compared among all seasons. Skill is found to be higher in the seasonal simulations than the multi-decadal integrations except during boreal winter. The higher skill is prominent even beyond the first month when the direct influence of the atmospheric initial state elevates model skill. Skill is generally found to be lowest during the winter season for the dynamical seasonal forecasts, equal to that of the long integrations, which show some of the highest skill during winter. The reason for the differences in skill during the non-winter months is attributed to the severe climate drift in the long simulations, manifest through errors in downward fluxes of water and energy over land and evident in soil wetness. The drift presses the land surface to extreme dry or wet states over much of the globe, into a range where there is little sensitivity of evaporation to fluctuations in soil moisture. Thus, the land-atmosphere feedback is suppressed, which appears to lessen the model’s ability to respond correctly over land to remote ocean temperature anomalies.
    Description: Center for Ocean-Land-Atmosphere Studies
    Description: Published
    Keywords: Atmosphere-ocean system
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
    Format: 503454 bytes
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  • 3
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    Seasonal variation in surface temperature and salinity around Lagos harbour, Nigeria. (2006)
    Nigerian Institute for Oceanography and Marine Research | Lagos, Nigeria
    Details
    Publication Date: 2021-05-19
    Description: Continuous monitoring of Sea and Harbour (Lagoon) Surface temperature and salinity at two stations has been carried out from 1978 to 1981. This paper presents the findings for the period and relates it to the prevailing meteorological regimes. The pattern of sea surface temperature at Victoria beach in the study period shows a clearly defined mean maximum temperature of 29.34oC in April, and clearly defined mean minimum temperature of 25.63 in August. Depending on the year, there may be a less clearly defined mean maximum and minimum temperature in October/November and in January respectively. The pattern of surface temperature in the Harbour station is basically similar. The salinity cycle especially in the Harbour was found to be critically dependent on rainfall. Practical salinity values as low as zero was recorded in the Harbour during the rainy season while in the dry season, values greater than 30.0 were sometimes recorded. The effect of rainfall on sea surface salinity was expectedly less significant.
    Description: NIOMR, LAGOS
    Description: Published
    Keywords: Salinity ; Surface water ; Oceanography ; Harbours ; Surface temperature ; Surface salinity
    Repository Name: AquaDocs
    Type: Report , Non-Refereed
    Format: 2169641 bytes
    Format: application/pdf
    Format: 20pp.
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  • 4
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    Tests of propellers for Alvin side propulsion units (2006)
    Woods Hole Oceanographic Institution
    Details
    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
    Format: 3559149 bytes
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  • 5
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    W.H.O.I./Brown CTD microprofiler : methods of calibration and data handling (2006)
    Woods Hole Oceanographic Institution
    Details
    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
    Format: 3977131 bytes
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  • 6
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    Summary of the geologic dives conducted in the Gulf of Maine during 1971 and 1972 by the research submersible Alvin (2006)
    Woods Hole Oceanographic Institution
    Details
    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
    Format: 44058338 bytes
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  • 7
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    ALVIN dives on the continental margin off the southeastern United States, July 2-13, 1967 (2007)
    Woods Hole Oceanographic Institution
    Details
    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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    MapTool version 2 : user’s manual (2006)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: MapTool is an interactive computer program for the display of common marine geophysical data. At present, the program displays isolines, color-filled contours, navigation tracklines, and navigated scalar values in a variety of styles. A variety of map projections are supported. This document describes the basic requirements for running the MapTool program, for creating various displays, and generating hard copy output. The supported data file formats are described. All of the options, displays, menus, and windows are documented.
    Description: Funding was provided by the Office of Naval Research under Grant N00014-90-J-1621.
    Keywords: Mapping ; Geophysics ; Digital display software
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
    Format: 5401284 bytes
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  • 9
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    Geophysical fluid dynamics : notes on the 1960 Summer Study Program in Geophysical Fluid Dynamics at the Woods Hole Oceanographic Institution (2009)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: Originally issued as Reference No. 60-46, series later renamed WHOI-.
    Description: National Science Foundation under Research Grant NSF 12556
    Keywords: Geophysics ; Fluid dynamics
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 10
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    1982 summer study program in geophysical fluid dynamics : particle motions in fluids (2009)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: The (Lagrangian) motion of a fluid particle was contrasted with the (Eulerian) flow past a fixed point in space during this twenty-fourth summer program in geophysical fluid dynamics at the Woods Hole Oceanographic Institution.
    Description: Office of Naval Research under Contract N00014-82-G-0079 and National Science Foundation Grant MCS-82-00450. Partial support from the Center for Analysis of Marine Systems (CAMS) at Woods Hole Oceanographic Institution.
    Keywords: Geophysics ; Fluid dynamics
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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