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Articles 91 - 97 of 97
Full-Text Articles in Physical Sciences and Mathematics
Mechanics Of Beach Cusp Formation, Asbury H. Sallenger
Mechanics Of Beach Cusp Formation, Asbury H. Sallenger
Dissertations, Theses, and Masters Projects
Beach cusps are crescentic shoreline accumulations of unconsolidated sediment that are characterized by a quasi-equal longshore spacing. The processes controlling the development of the cuspate form and the spacing of cusps were investigated. Field measurements showed that the cuspate form was derived through erosion of beach ridges, The ridges oriented alongshore in the swash zone are characterized by quasi-equally spaced channels cut normal to the shoreline whose widths are much less than the channel spacing. The upwash flows up the front face of the ridge and ponds shoreward of the ridge crest. The ponded fluid returns seaward through the channels. …
Carbon Transport In Two York River, Virginia Tidal Marshes, Kenneth Alan Moore
Carbon Transport In Two York River, Virginia Tidal Marshes, Kenneth Alan Moore
Dissertations, Theses, and Masters Projects
Annual net transports of particulate organic carbon (POC), dissolved organic carbon (DOC), and ATP-carbon were determined for two York River, Virginia, tidal marshes by monthly sampling for one year. Annual net losses of POC, DOC, and ATP-carbon from the marsh to the York River were observed for both areas, indicating that the long-term effect of these marshlands is to contribute both living and detrital organic material to the estuary. The mesohaline marsh area, Carter Creek, was observed to have the greater amount of organic carbon loss in the particulate fraction, while the oligohaline marsh area, Ware Creek, was observed to …
Inner Shelf Sediments Off Chesapeake Bay. I - General Lithology And Composition, Maynard M. Nichols
Inner Shelf Sediments Off Chesapeake Bay. I - General Lithology And Composition, Maynard M. Nichols
Reports
The sedimentary materials and bottom topography of more than 2400 square miles of the inner continental shelf floor north off the Chesapeake Bay entrance have been surveyed for potential mineral resources. Sediments consist of two principal types: (1) fine sand and (2) medium to coarse sand. The fine sand is grey-colored, subrounded, rich in quartz and relatively 11clean 11 and well sorted. The medium-coarse sand is typically iron-stained, rich in shell and poorly sorted. The fine sand covers inner parts of the shelf floor whereas medium to coarse sand covers seaward parts. Additionally, shell-rich medium to coarse sand occurs on …
Bahamas Bibliography : A List Of Citations For Scientific, Engineering And Historical Articles Pertaining To The Bahama Islands, Carol Fang, W. Harrison
Bahamas Bibliography : A List Of Citations For Scientific, Engineering And Historical Articles Pertaining To The Bahama Islands, Carol Fang, W. Harrison
Reports
Specialized bibliographies are sometimes needed in connection with the research studies being pursued at the Virginia Institute of Marine Science. The Bahamas Bibliography arose out of the needs of marine geologists, biologists and physical oceanographers engaged in studies of beaches, fishes and inlet currents in the Bahama Islands. Although the present bibliography may suffer from completeness, it significantly surpasses in number of citations the only other known bibliography of like kind.
The Beach Water Table As A Response Variable Of The Beach-Ocean-Atmosphere System, Leland Edward Fausak
The Beach Water Table As A Response Variable Of The Beach-Ocean-Atmosphere System, Leland Edward Fausak
Dissertations, Theses, and Masters Projects
Fluctuations of the water table in a marine beach over a rising half-tide cycle were investigated as a function of variations in local still water level, swash runup distance, distance of a sampling station from the shoreline, and atmospheric pressure. The data were taken from a 30-day time series of observations of environmental variables taken at Virginia Beach, Virginia, during August and September, 1969. Sequential linear multiple regression analyses were used to rank the process variables in order of importance in each of 13 water-table monitoring wells spaced along a transect transverse to the shoreline . Results showed that tidal …
A Study Of The Effects Of Dredging And Dredge Spoil Disposal On The Marine Environment: Project Report., Virginia Institute Of Marine Science
A Study Of The Effects Of Dredging And Dredge Spoil Disposal On The Marine Environment: Project Report., Virginia Institute Of Marine Science
Reports
The Rappahannock Shoal and spoil disposal area investigated encompasses an area of approximately 180 square miles. The initial sampling program (1961) consisted of the establishment of a series of transects across the survey area. One hundred sampling stations were located along the established transects.
Inasmuch as the texture of the bottom sediments varied distinctly from place to place within the mid-bay region, the initial objective was to delineate the sediment distribution. Ninety-eight core samples were taken from the area with a modified Phleger coring device and analyzed in detail for textural characteristics. Representative stations were chosen and core samples were …
Possible Late Pleistocene Uplift, Chesapeake Bay Entrance, W. Harrison, Rj Malloy, Ga Rusnak, J Terasmae
Possible Late Pleistocene Uplift, Chesapeake Bay Entrance, W. Harrison, Rj Malloy, Ga Rusnak, J Terasmae
VIMS Articles
Paleontological and lithological studies of engineering borings and boring logs subaerial erosion surface of Pliocene (?)-Pleistocene age cuts across clastic sediments of pre-Yorktownian Miocene age in the subsurface and subbottom of the lower Chesapeake Bay area. When the bore-hole data are coupled with the results of subbottom echo profiling and piledriving records, it is possible to construct accurate cross sections of the buried Miocene-Pleistocene contact. The cross sections show "lows" in the erosion surface that may be correlated with the buried channels of the Pleistocene Elizabeth, James, York, and Susquehanna river valleys. Probable channel depths below mean low water at …