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Articles 4171 - 4200 of 4579
Full-Text Articles in Physical Sciences and Mathematics
The Effect Of Tropical Storm Agnes On Heavy Metal And Pesticide Residues In The Eastern Oyster From Southern Chesapeake Bay, M. E. Bender, R. J. Huggett
The Effect Of Tropical Storm Agnes On Heavy Metal And Pesticide Residues In The Eastern Oyster From Southern Chesapeake Bay, M. E. Bender, R. J. Huggett
VIMS Books and Book Chapters
The concentrations of cadmium, copper, and zinc in the eastern oyster, Crassostrea virginica, are compared for samples collected before and after Tropical Storm Agnes. The "before" samples consisted of 475 animals from 95 stations collected in January 1971 and the "after" samples of 285 animals from 57 stations collected in January 1973. Shifts in the areal concentrations distributions were observed, apparently due to Agnes. Analyses of hard clams, blue crabs and oysters for chlorinated hydrocarbon pesticides showed influx of these compounds to be minimal as reflected by the residue levels observed. Comparison of residue levels in oysters to pre-Agnes conditions …
A Two-Dimensional Time-Dependent Numerical Model Investigation Of The Coastal Sea Circulation Around The Chesapeake Bay Entrance, Everett Michael Stanley
A Two-Dimensional Time-Dependent Numerical Model Investigation Of The Coastal Sea Circulation Around The Chesapeake Bay Entrance, Everett Michael Stanley
Dissertations, Theses, and Masters Projects
No abstract provided.
Isolation And Characterization Of Estuarine And Marine Sedimentary Humic Acids, John G. Windsor Jr
Isolation And Characterization Of Estuarine And Marine Sedimentary Humic Acids, John G. Windsor Jr
Dissertations, Theses, and Masters Projects
No abstract provided.
Development Of A Tidal Prism Model And Its Application To The Pagan River, Virginia, Angela D'Amico
Development Of A Tidal Prism Model And Its Application To The Pagan River, Virginia, Angela D'Amico
Dissertations, Theses, and Masters Projects
No abstract provided.
Geomorphic Processes Of A Drowned River Valley, Lower York River Estuary, Virginia, Michael Joseph Carron
Geomorphic Processes Of A Drowned River Valley, Lower York River Estuary, Virginia, Michael Joseph Carron
Dissertations, Theses, and Masters Projects
No abstract provided.
A Mathematical Model Of Chincoteague Bay, Virginia, John Joseph Vaccaro
A Mathematical Model Of Chincoteague Bay, Virginia, John Joseph Vaccaro
Dissertations, Theses, and Masters Projects
No abstract provided.
An Examination Of Shoaling Wave Parameters, Lee Weishar
An Examination Of Shoaling Wave Parameters, Lee Weishar
Dissertations, Theses, and Masters Projects
No abstract provided.
Life History Of The Spotfin Killifish, Fundulus Luciae (Pisces Cyprinodontidae), In Fox Creek Marsh, Virginia, Donald M. Byrne
Life History Of The Spotfin Killifish, Fundulus Luciae (Pisces Cyprinodontidae), In Fox Creek Marsh, Virginia, Donald M. Byrne
Dissertations, Theses, and Masters Projects
No abstract provided.
The Reproductive Cycle Of Mya Arenaria L And Distribution Of Juvenile Clams In The Upper Portion Of The Nearshore Zone Of The York River, Virginia, Jon Lucy
Dissertations, Theses, and Masters Projects
No abstract provided.
Titanium Assisted Alkylations Of Selected Alkynols, Leslie C. Smedley
Titanium Assisted Alkylations Of Selected Alkynols, Leslie C. Smedley
Dissertations, Theses, and Masters Projects
No abstract provided.
A Two-Dimensional Stratospheric Model Of The Dispersion Of Aerosols From The Fuego Volcanic Eruption, Carolyn Frances Jones
A Two-Dimensional Stratospheric Model Of The Dispersion Of Aerosols From The Fuego Volcanic Eruption, Carolyn Frances Jones
Dissertations, Theses, and Masters Projects
No abstract provided.
Quadrupole Modulation Of Nmr Free Induction Decays, M. Kent Cueman
Quadrupole Modulation Of Nmr Free Induction Decays, M. Kent Cueman
Dissertations, Theses, and Masters Projects
No abstract provided.
Stability And Spectra Of The Bumpy Theta Pinch, Thomas E. Cayton
Stability And Spectra Of The Bumpy Theta Pinch, Thomas E. Cayton
Dissertations, Theses, and Masters Projects
No abstract provided.
Pressure Anisotropy Effects On The Stability Of The Guiding Center Model Of The Bumpy Theta Pinch, Michael J. Schmidt
Pressure Anisotropy Effects On The Stability Of The Guiding Center Model Of The Bumpy Theta Pinch, Michael J. Schmidt
Dissertations, Theses, and Masters Projects
No abstract provided.
Two Electron Bond-Orbital Model, Chuping. Huang
Two Electron Bond-Orbital Model, Chuping. Huang
Dissertations, Theses, and Masters Projects
No abstract provided.
Deep-Inelastic Electroproduction Of Pions In A Quark-Parton Model ; Pion-Deuteron Elastic Scattering And The Pion-Pion Scattering Lengths, Mary Elizabeth. Vislay
Deep-Inelastic Electroproduction Of Pions In A Quark-Parton Model ; Pion-Deuteron Elastic Scattering And The Pion-Pion Scattering Lengths, Mary Elizabeth. Vislay
Dissertations, Theses, and Masters Projects
No abstract provided.
Studies Of Ion Wave Propagation In Inhomogeneous Plasmas, Shiew-Luan Y. Hsieh
Studies Of Ion Wave Propagation In Inhomogeneous Plasmas, Shiew-Luan Y. Hsieh
Dissertations, Theses, and Masters Projects
No abstract provided.
The Morphology And Processes Of The Virginia Chesapeake Bay Shoreline, Peter Stuart Rosen
The Morphology And Processes Of The Virginia Chesapeake Bay Shoreline, Peter Stuart Rosen
Dissertations, Theses, and Masters Projects
No abstract provided.
Local Environmental Management, A Case Study: The Virginia Wetlands Act, 1972-1974, John Claiborne Jones
Local Environmental Management, A Case Study: The Virginia Wetlands Act, 1972-1974, John Claiborne Jones
Dissertations, Theses, and Masters Projects
No abstract provided.
Changes In Salinity Structure Of The James, York And Rappahannock Estuaries Resulting From The Effects Of Tropical Storm Agnes, Paul V. Hyer, Evon P. Ruzecki
Changes In Salinity Structure Of The James, York And Rappahannock Estuaries Resulting From The Effects Of Tropical Storm Agnes, Paul V. Hyer, Evon P. Ruzecki
VIMS Books and Book Chapters
The peak effect of the flood waters produced by Tropical Storm Agnes was seen on June 25 in the James, June 26 in the Rappahannock, and June 30 in the York. Recovery toward normal salinity conditions after the high runoffs proceeded discontinuously, with alternating periods of vertical stratification and destratification. During strongly stratified stages, saline water advanced upstream along the bottom. In the York and James Rivers, the most dramatic stratification occurred about July 20- 25. This event resulted in bottom salinity values exceeding normal ambient values and, at the river mouths, reaching values hitherto unobserved. This event was apparently …
Coastal Data Acquisition, Compilation And Analysis, Virginia Beach Coastal Compartment, Southeastern Virginia : Quarterly Technical Status Report December 1, 1975 - February 29, 1976, Victor Goldsmith, Susan Strum, George Thomas
Coastal Data Acquisition, Compilation And Analysis, Virginia Beach Coastal Compartment, Southeastern Virginia : Quarterly Technical Status Report December 1, 1975 - February 29, 1976, Victor Goldsmith, Susan Strum, George Thomas
Reports
No abstract provided.
Vims Statement Portsmouth Refinery, Virginia Institute Of Marine Science
Vims Statement Portsmouth Refinery, Virginia Institute Of Marine Science
Reports
With regard to the Proposed Final Environmental Impact Statement issued by the U. S. Army Corps for the Portsmouth Refinery and Marine Terminal , we shall comment on four subject areas which the statement discusses.· These are 1) the potential impact of new pollutant loadings in the lower James River, · 2) the potential impact of oil spills, 3) transportation risks and 4) the effects of dredging for the marine terminal. In addition, comments are included which address: 1) interagency communications regarding oil spills in the Bay region, 2) safety precautions taken during the transportation of oil by vessels in …
Shoreline Situation Report Prince William County, Virginia, Lynne M. Rogers, Dennis W. Owen, Margaret H. Peoples, Robert J. Byrne, Carl H. Hobbs Iii
Shoreline Situation Report Prince William County, Virginia, Lynne M. Rogers, Dennis W. Owen, Margaret H. Peoples, Robert J. Byrne, Carl H. Hobbs Iii
Reports
No abstract provided.
The Effects Of The Agnes Flood On The Salinity Structure Of The Lower Chesapeake Bay And Contiguous Waters, A. Y. Kuo, E. P. Ruzecki, C. S. Fang
The Effects Of The Agnes Flood On The Salinity Structure Of The Lower Chesapeake Bay And Contiguous Waters, A. Y. Kuo, E. P. Ruzecki, C. S. Fang
VIMS Books and Book Chapters
The transient response of salinity distribution in lower Chesapeake Bay to flood waters from Tropical Storm Agnes is studied in terms of a two-layered, partially mixed estuary. Prior to 30 June 1972, surface salinities were well depressed throughout the Bay while those at the bottom near the Bay mouth were not depressed by 5 July. This resulted in a highly stratified situation normally found in the spring of the year. Stratification decreased when bottom waters were flushed down-bay by the flood (on 5 to 10 July for the region south of New Point Comfort). The "rebound" of salinity structure started …
The Effects Of Tropical Storm Agnes On The Copper And Zinc Budgets Of The Rappahannock River, Robert J. Huggett, Michael E. Bender
The Effects Of Tropical Storm Agnes On The Copper And Zinc Budgets Of The Rappahannock River, Robert J. Huggett, Michael E. Bender
VIMS Books and Book Chapters
The metals copper and zinc were analyzed in bottom sediments (top 1 cm) from the Rappahannock River before and after Tropical Storm Agnes. By extracting the sediments with various techniques (HN03, HCl) the nature of the metal speciation can be estimated. Data show that the inorganic copper was increased by a factor of 2 to 3 in the normally saline portion of the river as a result of Agnes but returned to before-Agnes levels within one year. Metal analyses of suspended sediments collected during the Agnes flooding allows an estimate of sedimentation indicating at least 7.5 mm of new sediments …
Flood Wave-Tide Wave Interaction On The James River During The Agnes Flood, John P. Jacobson, C. S. Fang
Flood Wave-Tide Wave Interaction On The James River During The Agnes Flood, John P. Jacobson, C. S. Fang
VIMS Books and Book Chapters
During the Agnes flood hourly tidal height data were collected at seven locations along the tidal James River and currents were measured at two transects in the lower James. A comparison between actual tides and currents and the predicted tidal features as given by the tide and tidal current tables of NOAA was made. Results of this comparison show that Agnes did significantly affect water levels in the upper portion of the tidal James, especially near Richmond. However in the lower portion of the James no discernible rise was evident due to the passage of the flood crest. A small …
Effects Of Tropical Storm Agnes On Nutrient Flux And Distribution In Lower Chesapeake Bay, C. L. Smith, W. G. Macintyre, C. A. Lake, J. G. Windsor Jr.
Effects Of Tropical Storm Agnes On Nutrient Flux And Distribution In Lower Chesapeake Bay, C. L. Smith, W. G. Macintyre, C. A. Lake, J. G. Windsor Jr.
VIMS Books and Book Chapters
Nutrient concentrations measured in lower Chesapeake Bay in the summer of 1972 immediately following the flooding associated with Tropical Storm Agnes are compared with those in the summer of 1973, a season of more normal rainfall. The large amount of land runoff produced unseasonably high concentrations of dissolved inorganic nitrogen in the Bay near the mouth of the Potomac River. Phosphate concentrations were essentially unaffected by the flooding. Fluxes of total nitrogen and total phosphorus nutrients through the mouth of Chesapeake Bay were calculated for both summers. The calculated net export of nutrients from the Bay in both August 1972, …
Observations On Dissolved Oxygen Conditions In Three Virginia Estuaries After Tropical Storm Agnes (Summer 1972), R.A. Jordan
Observations On Dissolved Oxygen Conditions In Three Virginia Estuaries After Tropical Storm Agnes (Summer 1972), R.A. Jordan
VIMS Books and Book Chapters
Dissolved oxygen (DO) and salinity levels in the James, York, and Rappahannock estuaries were monitored for approximately two months (June 24-August 31, 1972) following Tropical Storm Agnes. DO depressions developed more rapidly and were more severe in the deep waters of the York and Rappahannock than in the James. Depressions that developed immediately after the storm were followed by recoveries and subsequent, more severe depressions. In late July, bottom water DO concentrations below 1 mg/1 were found at stations covering 15 miles of the York and 25 miles of the Rappahannock. Comparison of river data with Chesapeake Bay data suggests …
The Effect Of Tropical Storm Agnes As Reflected In Chlorophyll A And Heterotrophic Potential Of The Lower Chesapeake Bay, Paul L. Zubkoff, J. Ernest Warriner Iii
The Effect Of Tropical Storm Agnes As Reflected In Chlorophyll A And Heterotrophic Potential Of The Lower Chesapeake Bay, Paul L. Zubkoff, J. Ernest Warriner Iii
VIMS Books and Book Chapters
A hydrographic station (Station Y) at the mouth of the York River (37°14.6'N, 76°23.4'W) was under biological surveillance for one year prior to the arrival of Tropical Storm Agnes. For one full year following this storm, these measurements were continued. In addition, the chlorophyll a and heterotrophic potential measurements were incorporated into an ongoing zooplankton sampling program of the lower Chesapeake Bay below 37°40'N latitude.
Public Health Aspects Of Tropical Storm Agnes In Virginia's Portion Of Chesapeake Bay And Its Tributaries, M. P. Lynch, J. Claiborne Jones
Public Health Aspects Of Tropical Storm Agnes In Virginia's Portion Of Chesapeake Bay And Its Tributaries, M. P. Lynch, J. Claiborne Jones
VIMS Books and Book Chapters
All Virginia waters within Chesapeake Bay were closed for the taking of shellfish for direct consumption on 23 June 1972. This initial closing was in anticipation of high microorganism levels accompanying flood waters moving downstream. Various areas beginning with the lower portion of Chesapeake Bay were reopened beginning )n 20 July 1972. By 5 October 1972 all areas closed as a result )f Tropical Storm Agnes were reopened. No increased incidents of infectious diseases caused by waterborne microorganisms were noted in Virginia which could be attributed to Tropical Storm Agnes.