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Biological Processes in the Water Column of the South Atlantic Bight. Progress Report, July 12--August 20, 1976

Description: Preliminary results are reported from a study of the relationship between intrusions of phytoplankton, zooplankton, and particulate matter in the South Atlantic Bight off the coast of Georgia and Northeast Florida. The relationship between temperature, chlorophyll, and particle volume in bottom water from various locations was determined and the data were correlated with data on water mass movements. Samples were collected from a ship following a specified grid pattern.
Date: February 1, 1977
Creator: Paffenhofer, G. A. & Dunstan, W. M.
Partner: UNT Libraries Government Documents Department
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Hydrography of Onslow Bay, North Carolina: September 1975 (OBIS II)

Description: Data collected during studies of Onslow Bay, off the North Carolina coast during cruises during September, 1975, are reported. Current meters and thermography were placed at depths of 10 and 22 m along the 28 m isobath in the northeastern and southwestern sectors of the Bay. Data are included on wind turbulence and velocity; seawater salinity and temperature at various depths; the content of nitrates, phosphates, silicate, oxygen, chlorophyll, and phytoplankton biomass at various depths. Hydrog… more
Date: September 1, 1975
Creator: Atkinson, L. P.; Singer, J. J.; Dunstan, W. M. & Pietrafesa, L. J.
Partner: UNT Libraries Government Documents Department
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Continental Shelf Processes Effecting the Oceanography of the South Atlantic Bight. Hydrography of Onslow Bay, North Carolina: September 1975 (OBIS II). Progress Report

Description: Over the course of OBIS II, 3-14 September, two intrusion cores were observed. One was apparently trapped nearshore over much of the study period, but as time went on, it either dissipated, moved too far shoreward or moved too far laterally along the shelf to be detected by the existing observational grid. The other (later) intrusion was first detected on 5-7 September and was observed to be moving into the Bay from the southeast over the remainder of the study period. Plots of the horizontal t… more
Date: March 12, 1976
Creator: Atkinson, L. P.; Singer, J. J.; Dunstan, W. M. & Pietrafesa, L. J.
Partner: UNT Libraries Government Documents Department
open access

Mathematical model of nutrient distribution in coastal waters

Description: An approach to biological modelling involving the use of separation transformation theory has been developed. By use of the theory, it is possible to reduce the number of independent variables in the system. The original four dimensional system (x, y, z, t) can be reduced to a vertical plane conceptual model by assuming along isobath homogeneity in the flow field as a partial function of the baroclinic flow field. Both temporally dependent and independent nitrate concentration equations are the… more
Date: February 1, 1977
Creator: Hofmann, E. E.; Pietrafesa, L. J.; Atkinson, L. P.; Paffenhoefer, G. A. & Dunstan, W. M.
Partner: UNT Libraries Government Documents Department
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