Physical Sciences and Mathematics Commons^™

Surface Sediments And Their Relationship To Water Quality In Hillsborough Bay, A Highly Impacted Subdivision Of Tampa Bay, Florida, J.O.R. Johansson, A.P. Squires

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This paper will summarize the composition of surface sediment and sediment oxygen demand rated in Hillsborough Bay. Also, a first attempt is made to relate the nutrients released from these sediments to the phytoplankton, the dominant primary producers of the bay.

Preliminary Assessment Of Beaches And Offshore Sand Resources Of St. Eustatius, Netherlands Antilles : A Report To The Government Of St. Eustatius, John D. Boon, Robert J. Byrne, L. D. Wright, Robert A. Gammisch, Lauro Julio Calliari

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Objectives: A pilot study was undertaken in July 1988 to: 1. Provide an estimate of the location and size of offshore sand resources suitable for beach nourishment. 2. Perform beach surveys and associated sampling for determining beach equilibrium configurations. 3. Provide a preliminary assessment of sites suitable for beach enhancement. 4. Provide a preliminary assessment of areas having extraordinary environmental sensitivity. Emphasis was given.to Oranje Baai and adjoining regions.

Friction Factor Tests On 375 Mm High Density Polyethylene Pipe, Steven L. Barfuss, J. Paul Tullis

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No abstract provided.

Toxicity And Environmental Health Hazards Of Petroleum Products In Wells Used For Drinking Water In The Intermountain West, Robert D.R. Parker, Raghubir P. Sharma, R. Ryan Dupont, Gin-Chang Hsieh

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Introduction: Groundwater is aprimary source of drinking water for about 50 percent of the population in the U.S. This source of drinking water has been generally regarded as safe from contamination. Several papers indicate that numerous underground storage tanks containing petroleum products may be leaking and contaminating public water supply wells across the U.S. (Matis, 1971; Ferguson, 1979; Woodhull, 1981; Burmaster and Harris, 1982; Lehman, 1984; Dowd, 1984; OTA, 1984). A study conducted by the Utah Cureau of Solid and Hazardous Wastes in 1985 concluded that there are at least 2,314 underground steel tanks, most of which are used to …

Soil Phase Photodegradation Of Toxic Organics At Contaminated Disposal Sites For Soil Renovation And Groundwater Quality Protection, W. M. Moore, R. Ryan Dupont, J. E. Mclean

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Accurate assessment of the potential for contaminated soil remediation requires detailed knowledge of the fate of waste constituents within the soil environment. For many non-biodegradable organics compounds, photochemical degradation may provide a potential pathway for the removal of such compounds from soil surfaces. A study was conducted to evaluate the rate of photodegradation of ten hazardous organic compounds from three soils, silica gel, and four soil minerals (kaolinite, montmorillonite, illite, and calcite) under conditions of controlled irradiation. In addition, the effect of siz amendment treatments (methylene blue, riboflavin, hydrogen peroxide, diethylamine, peat moss, and silica gel) on the rates of …

Friction Factor Tests On 300 Mm High Density Polyethylene Pipe, Steven L. Barfuss, J. Paul Tullis

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No abstract provided.

Bear River Water Quality: Bioavailable Phosphorus Measurement, Sources, And Control, Kenneth W. Barker, Darwin L. Sorensen, Jay C. Andersen, Jean M. Ihnat

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No abstract provided.

A Characterization Of Tampa Bay Sediments, L J. Doyle, G. R. Brooks, K. A. Fanning, E. S. Van Vleet, R. H. Byrne, N. J. Blake

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This initial phase of the project involves assessing the present state of knowledge of sediments in Tampa Bay and the identification of data gaps, or areas where more detailed information is required to achieve project objectives. The literature search produced 273 data sources that from their abstracts in the data base are applicable to the project (Appendix I). Data sources were reviewed by experts in the fields of sedimentology, nutrient chemistry, organic geochemistry, trace metal and radionuclide geochemistry, and benthic biology who then contributed the following summary sections.

Distribution Patterns And Accumulation Rates Of Fine-Grained Sediments In Upper Tampa Bay, Florida, Gregg R. Brooks

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Tampa Bay, a drowned river valley, is the largest estuary on Florida's west coast.

Surface sediments consist of a mixture of carbonate and terrigenous clastic sands and muds.

The objectives of this study are to determine accumulation rates and processes controlling the distribution patterns of fine grain sediments.

Ascidian Investigations In Hillsborough Bay, City Of Tampa Bay Study Group

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The City of Tampa Bay Study Group has noticed high numbers of an anural solitary mogulid tunicate, of an unknown ascidian species, dominating some bottom communities of Hillsborough Bay during the winter. Ascidian concentrations have been found in excess of 4000/me , and lengths have ranged from O.25mm to 20mm for larvae and adults, respectively. Coincident with these high ascidian concentrations, excellent water clarity has been observed, where the bay bottom is visible through water of 2 to 3m depths. Ascidians can filter large volumes of seawater as part of their food gathering process. Although not found in Hillsborough Bay, …

Evaluation Of Algrow As A Binder In Hydromulch And Preliminary Determination Of The Influence Of Algrow On Germination And Seedling Growth, C. Earl Israelsen, Gilberto Urroz, Ronald V. Canfield

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Introduction: The application of mulch during or immediately following seeding provides the minimum following advantages: energy dissipation of falling raindrops which decreases or eliminates erosion, prevention of surface-soil crusting, decreased water loss, and surface temperature modification. To better hold mulch in place, chemical binders are addd to it during munufacture or just before it is applied to the soil. Sometimes a binder is applied as an oversptray after the mulch is in place. (This overspray is generally referred to as a tackifier.) Algea Produkter A/S, Drammen, Norway, produces a product called ALGROW which may habe utility as a mulch binder …

Plume Monitoring Of Rappahannock And York Spit Channels, Baltimore Harbor And Channels: Phase Ii, York Spit Channel, M. Nichols, R. J. Diaz, Et Al

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This report provides new data acquired by monitoring of hopper dredging operations at the York Spit Channel in southern Chesapeake Bay. Turbidity was measured and acoustical sensing was performed from a vessel tracking through the plumes while water samples were obtained at fixed stations for analyses of salinity and total suspended sediment concentrations. Other parameters include temperature and thickness of deposited layers. The plumes were monitored June 14, 1988 for 8.5 hours and six dredging cycles along the channel length. Most of the dredged material is silty sand. Normal background concentrations before dredging are in the range 2.6 to 17 …

Distribution Of Potentially Endangered And Threatened Plants Of The Northern Neck Of Virgina, James E. Perry, Carl H. Hershner

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No abstract provided.

Oyster Spatfall In Virginia Rivers: 1988 Annual Summary, Bruce Barber, James Whitcomb

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The Virginia Institute of Marine Science (VIMS) conducts annual surveys of oyster spatfall ( or "sett.ing") in Virginia waters. This survey provides an estimate of the potential of a particular area for receiving a "striken or set of oysters and helps define the timiug of setting events. In 1988 spatfall was monitored from June 6 to October 16 at a total of forty-two stations (Figure 1). · During this period shellstrings were deployed at each station (0.5m off the bottom) on a weekly basis. A shellstring consists of 12 oyster shells drilled through the center and strung on a piece …

Study Of Economic Heavy Minerals Of The Virginia Inner Continental Shelf, C. R. Berquist, C. H. Hobbs Iii

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No abstract provided.

Cross-Shoreface Suspended Sediment Transport : A Response To The Interaction Of Nearshore And Shelf Processes, Fall 1994 Duck, Nc Field Experiment, D. A. Hepworth, Carl T. Friedrichs, John Brubaker

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Deployment : The tripods were assembled, tested and secured onboard the RIV Sea Diver, which left the Little Creek Amphibious Base in Norfolk, Virginia early on 26 September. While underway to the deployment site, the continuous surface water conductivity and temperature survey was run and several CTD casts were made. The tripods were deployed on 26 September and secured to the sea floor with sand anchors by VIMS divers. The R/V Sea Diver then began the series of on/off shore transects at the tripod deployment site for approximately 12 hours. The vessel returned to port on 27 September .

Recovery: …

Experimental Studies Of Zinc-65 Uptake Rates By The American Oyster, Crassostrea Virginica With Regard To Salinity, Sediment Concentration, And Body Size, Cheol Mo, Bruce Neilson

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Three sets of twelve oysters from the ,James River were placed in three recirculating aquaria dosed with the radioactive tracer zinc-65. All aquaria had the same amount of river bottom sediment which was kept in suspension by the water movement caused by aeration; one aquarium had twice as much tracer as the other two. The salinity of one of the low dose aquaria and. the high dose aquarium was maintained at 18 0/00: the other low dose aquarium was maintained at 1:2 0/00. All other factors were kept constant. Sediment-water-tracer mix was added to the aquaria every 12 hours. Water …

Sediment Nutrient Flux Data From A Seasonal Simulation Of Water Chemistry In Gunston Cove, Va, B. E. Baker, C. F. Cerco

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No abstract provided.

An Ongoing Survey Of Halodule Wrightii, Ruppia Maritima And The Alga, Caulerpa Prolifera, In Hillsborough Bay, Florida, City Of Tampa Department Of Sanitary Sewers

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The Bay Study Group intends to periodically monitor seagrass coverage, seagrass speciecs composition, and C. prolifera coverage within Hillsborough Bay and adjacent waters. Potential relationships between various environmental parameters and seagrass coverage will be investigated. Results should provide valuable information concerning natural seagrass renewal and rates of seagrass growth. Such information is much needed in order to make sound decisions concerning seagrass restoration and viable mitigation options.

The Durability Of Gabions Used For Marine Structures In Virginia, C. Scott Hardaway Jr.

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No abstract provided.

The State Of The Bay - 1987, Tampa Bay Regional Planning Council (Tbrpc), Agency On Bay Management

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Council's Agency on Bay Management has continued to lead and support major Bay related activities through legislation, development review, intergovernmental coordination, impact assessment and public education in 1987. Management and research efforts expand for the Bay as awareness grows of its significance. The State of the Bay - 1987 document represents the compilation of regional activities and these expanding effort to promote the Tampa Bay estuary.

Water Quality 1986 - 1987 Hillsborough County, Florida, Hillsborough County Environmental Protection Commission

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The Hillsborough County Environmental Protection Act charges the Environmental Protection commission with the function of establishing, operating and maintaining a continuous program for monitoring water pollution. A county-wide water quality surveillance network has been designed to enable the staff to determine compliance with the Act and to determine whether the level of water pollution is increasing or decreasing throughout the county.

These data, obtained during 1972-1987 may provide useful background for eventual development, revision _ and enforcement of regulations, standard effluent limitation plans, or programs established under the Federal Water Pollution Control Act of 1972.

Recalibration Of Pagan River Water Quality Model, Albert Kuo, Gamble M. Sisson, Bruce J. Neilson

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Two water quality models of the Pagan River were developed in the 1970s by the Virginia Institute of Marine Science. The first model was developed under the CSA (cooperative state agencies) program (Kuo, Lewis and Fang, 1976). It simulated the oxidation of organic matter and the effect that, and reaeration, had on the dissolved oxygen regime of the river. The model included four water quality parameters: salinity, dissolved oxygen, carbonaceous oxygen demand and nitrogenous oxygen demand. A later model, developed as part of the Hampton Roads 208 studies, was an expansion of the first one. It included the nitrogen and …

Analysis Of Effluents And Associated Sediments And Tissue For Toxic Organic Compounds, 1987-1988 : Final Report To Virginia State Water Control Board, Robert Hale, Craig L. Smith

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Effluent and sediment samples were collected from 30 point source discharge sites within tributaries to the Chesapeake Bay, and analyzed for the presence of toxic organic compounds. The facilities selected included: municipal treatment plants, oil refining and storage operations, shipyards, military bases, paper companies, electrical power generators and various other manufacturing enterprises. In addition to sediment, shellfish were collected from the receiving streams. Unfortunately, environmental conditions in the vicinity of many of the facilities were unsatisfactory for the long-term survival of shellfish. As a consequence their availability was limited. ....

Hillsborough Bay Sediment Research, City Of Tampa Bay Study Group

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The City of Tampa Bay Study Group has conducted and sponsored several sediment studies of Hillsborough Bay since 1983. These include: 1. Determination of the areal coverage of major sediment types. 2. Measurements of oxygen demands and nutrient exchange rates by major sediment types. 3. High resolution seismic reflection studies of mud dominated sediment deposits

Great Salt Lake Interisland Diking: Water Quality Considerations, Executive Summary, Utah Water Research Laboratory, J. P. Riley, J. I. Blandamer, W. J. Doucette, R. R. Dupont, A. W. Grover, J. Herrick, J. M. Ihnat, J. E. Mclean, M. W. Nath, S. R. Rushforth, J. L. Sims, R. C. Sims, W. A. Wurtsbaugh

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No abstract provided.

Stochastic Interpolation Of Precipitation Data From Multiple Sensors, D. J. Seo, A. Azimi-Zonooz, D. S. Bowles, W. F. Krajewski, C. J. Duffy, K. P. Georgakakos, T. H. Lee

Reports

Introduction: This report summarizes the work conducted under Grant No. ECE-8419189, "Stochastic Interpolation of Precipitation Data from Multiple Sensors," which was awarded to Utah State University in September, 1985, and completed February 29, 1988. it also covers work under a supplemental award made in February, 1986. The final report is organized into four sections. The following section presents the objective of the research and a brief problem statment. Section 3 contains a summary of second-year work including the project team, work plan, work completed, and publications. In Section4, project conclusions are summarized. A summary of on-going future work is given …

Great Salt Lake Interisland Diking: Water Quality Considerations, John I. Blandamer, William J. Doucette, Ryan R. Dupont, Anthony W. Grover, James Herrick, Jean M. Ihnat, Joan E. Mclean, Michael W. Nath, Samuel R. Rushforth, Judith L. Sims, Ronald C. Sims, Wayne A. Wurtsbaugh

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No abstract provided.

Friction Factor Tests On High Density Polyethylene Pipe, Steven L. Barfuss

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No abstract provided.

Population Status Of Five Potentially Threatened Vascular Plants From Coastal Plain Tidal Rivers In Virginia, Carl Hershner, James Perry

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Work is underway to clarify the population status of Virginia's biota that have been considered rare, endangered, or of an unknown population status by earlier scientists (Porter, 1979). The purpose of the current study was to investigate the population status and areal distribution of five of these plant species found on the tidal rivers of the Coasta1 Plain in Virginia. Although only a small portion of a much larger effort, it is hoped that this work will help fill some of the gaps that exist in our data base on these species. Furthermore, it is hoped that the following information …