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Articles 15991 - 16020 of 16421

Full-Text Articles in Physical Sciences and Mathematics

The Physical Effects Of A Thermal Discharge On An Estuary, G. C. (Gary Cridlin) Parker Jan 1975

The Physical Effects Of A Thermal Discharge On An Estuary, G. C. (Gary Cridlin) Parker

Dissertations, Theses, and Masters Projects

No abstract provided.


A Study On The Classification Of The Sciaenoid Fishes Of China, With Description Of New Genera And Species, Yuanding Zhu, Lo Yun-Ling, Wu Han-Ling Jan 1975

A Study On The Classification Of The Sciaenoid Fishes Of China, With Description Of New Genera And Species, Yuanding Zhu, Lo Yun-Ling, Wu Han-Ling

Reports

This book was a thesis selected by "The Collective Papers of Science and Technology Research of Shanghai City, 1960". The article reviews the literature of past hundred years on sciaenid fishes, examines sciaenid specimens collected along our coastal areas, and contains a detailed description of the taxonomy of Chinese sciaenids. This book is for the use of the teachers and students of the biology departments in colleges and scientists of related specialties.


A Study Of Naturally Occurring Algicides Produced By Freshwater Algae, Denny O. Harris, Harry D. Caldwell Dec 1974

A Study Of Naturally Occurring Algicides Produced By Freshwater Algae, Denny O. Harris, Harry D. Caldwell

KWRRI Research Reports

The mode of action of the algicide produced by Pandorina morum was examined by exposing Volvox globator and isolates spinach chloroplasts to a partially purified algicide preparation. Oxygen evolution of Volvox, whole chloroplasts and broken chloroplasts (minus the Calvin cycle),was reduced indicating that the algicide inhibits the light reactions of photosynthesis. Oxygen evolution studies of other Volvocaceae confirmed the observation that Pandorina morum is not significantly influenced by its own inhibitor. Molecular weight approximation by gel filtration established that the inhibitor has a low molecular weight (probably below 100 mw). Field studies indicate that this algicide has tremendous potential as …


Public Access To The Beaches Of Connecticut, Don W. Oswalt Dec 1974

Public Access To The Beaches Of Connecticut, Don W. Oswalt

Marine Affairs Theses and Major Papers

Elements of the public of Connecticut are engaged in direct conflict against private and municipal property rights over the issue of increased public access to beaches of the state. In Connecticut, as well as the nation, definite solutions to the problem are slow to materialize. The public's right to the whole beach is being clarified by only a few states, while public access under common law remains a clouded issue nationwide. The research study I am proposing would examine in detail the legal issues involved, the state and federal legislative actions, geographical considerations, etc. I feel that the resulting collation …


Quantitative And Qualitative Seasonal Analysis Of The Surface Zooplankton Of Magothy Bay, Virginia, Malcom E. Browne Oct 1974

Quantitative And Qualitative Seasonal Analysis Of The Surface Zooplankton Of Magothy Bay, Virginia, Malcom E. Browne

OES Theses and Dissertations

No abstract provided.


Suspended Sediments Near Pier 12 Norfolk Navy Base On 26 June And 15 September, 1973, Evon P. Ruzecki, R. Ayres Oct 1974

Suspended Sediments Near Pier 12 Norfolk Navy Base On 26 June And 15 September, 1973, Evon P. Ruzecki, R. Ayres

Reports

Results of two suspended sediment studies near Norfolk Navy Base Pier 12 are given. The studies were conducted during one tidal cycle on both 26 June and 15 September 1973. The following parameters were measured at five stations in the vicinity of the pier: suspended sediment water temperature, salinity and density current speed and direction iv


A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume 1 : Physical Oceanography, Virginia Institute Of Marine Science Sep 1974

A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume 1 : Physical Oceanography, Virginia Institute Of Marine Science

Reports

The paucity of oceanographic data on the continental shelf and in the estuaries south of Cape Hatteras, North carolina hinders attempts to document the oceanographic conditions. In general data are more available and conditions better understood in the estuaries than on the continental shelf.

The estuaries of the Southern Atlantic Bight have not been studied as extensively as the large embayments to the north. Generally the estuaries tend to be partially mixed since runoff and thus river flow is not great in these river systems. Both the distance the tidal effect is felt and the distance up the estuary that …


Sodium, Potassium, Calcium And Magnesium Content Of Northwest Arkansas Rain Water In 1973 And Trace Metal Analyses Of 1974 Rains, G. H. Wagner, R. W. Holloway Sep 1974

Sodium, Potassium, Calcium And Magnesium Content Of Northwest Arkansas Rain Water In 1973 And Trace Metal Analyses Of 1974 Rains, G. H. Wagner, R. W. Holloway

Technical Reports

No abstract provided.


A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume Ii : Climatology, Virginia Institute Of Marine Science Sep 1974

A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume Ii : Climatology, Virginia Institute Of Marine Science

Reports

The geographic area covered in this report extends from Cape Hatteras, North Carolina, on the north, to Cape Canaveral, Florida, to the·south. Included within this area are portions of the coastal areas of South Carolina and Georgia. All or portions of thirty coastal counties are included within the study area.

Estuaries in this area tend to be partially mixed due to relatively low runoff per mile of coast. The proximity of the Gulf Stream to the continental shelf and the low runoff combine to cause the salinity of the coastal water to be somewhat higher than that of the coastal …


A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume Iv: Geological Oceanography, Virginia Institute Of Marine Science Sep 1974

A Socio-Economic Environmental Baseline Summary For The South Atlantic Region Between Cape Hatteras, North Carolina And Cape Canaveral, Florida Volume Iv: Geological Oceanography, Virginia Institute Of Marine Science

Reports

The geographic area covered in this report extends from Cape Hatteras, North Carolina, on the north, to Cape Canaveral, Florida, to the south. Included within this area are portions of the coastal areas of South Carolina and Georgia. All or portions of thirty coastal counties are included within the study area.

  • Chapter 1 - Introduction
  • Chapter 2 - Coastal Plain-Subzone I-Cape Hatteras to Winyah Bay
  • Chapter 3 - Coastal Plain-Subzone II-Winyah Bay to St. Johns River
  • Chapter 4 - Coastal Plain-Subzone III-St. Johns River to Cape Canaveral
  • Chapter 5 - Continental Shelf-Subzone I-Cape Hatteras to Winyah Bay
  • Chapter 6 - …


Build-Up Of Mineral Content In Lake Dardanelle And The Effect On Zooplankton, Tom N. Palko Aug 1974

Build-Up Of Mineral Content In Lake Dardanelle And The Effect On Zooplankton, Tom N. Palko

Technical Reports

No abstract provided.


Studies Of Certain Impacts Of Tropical Storm Agnes On The Chesapeake Bay And Its Tributaries - A Final Report On Activities, William J. Hargis Jr. Aug 1974

Studies Of Certain Impacts Of Tropical Storm Agnes On The Chesapeake Bay And Its Tributaries - A Final Report On Activities, William J. Hargis Jr.

Reports

In the summer of 1972 Hurricane Agnes, spawned over the Yucatan Peninsula, developed in full force in the Gulf of Mexico, bulled its way ashore in Western Florida (and Southeastern Alabama) and spent its fury in the interior. It arrived in the Middle-Atlantic States as an Extratropical Storm. At every stage it was disruptive and destructive.

In the Chesapeake Bay Drainage Basin, Agnes was particularly spectacular even though her wind velocities were markedly reduced. In particular, she poured vast amounts of rain on an already saturated land. In rapid succession the James, the Potomac and the Susquehanna were driven into …


The European Economic Community: Example Of Regionalization Of The Sea?, B. Deniaux Jul 1974

The European Economic Community: Example Of Regionalization Of The Sea?, B. Deniaux

Marine Affairs Theses and Major Papers

The European Law and power has not such a world-wide application nowadays, and it is rather against the rules created by the old European order that the nations formed during the second part of this century have begun a rebellion process. One can address the following questions: what exactly is nowadays the action of the European Community at sea: is there a common policy of the common Market toward marine related problems? If there is one, what is the actual impact of this policy at the international level, and especially these days, in regards of the Law of the Sea …


Feeding And Food Preferences By Three Sympatric Species Of Cyprinodontid Fishes, Lawrence J. Baer Jul 1974

Feeding And Food Preferences By Three Sympatric Species Of Cyprinodontid Fishes, Lawrence J. Baer

OES Theses and Dissertations

The feeding and food utilization by three sympatric species of cyprinodontid fishes was examined using a modified Ivlev Electivity Co-efficient. Results indicated that although Fundulus heteroalitus and Fundulus majalis are sympatric in the area examined,their usage of the available food source varied noticeably. The third investigated species, Cyprinodon variegatus, fed mainly upon a vegetal detritus food source varied by the consumption of invertebrate and vertebrate food items. Slight intra-specific variances of diet between crespuscular periods was also discussed.


Laboratory Simulation Of Rainfall Erosivity For Gully Formation Study, T. Y. Kao May 1974

Laboratory Simulation Of Rainfall Erosivity For Gully Formation Study, T. Y. Kao

KWRRI Research Reports

The objective of this study was to develop a rainfall simulator, which imparts to the laboratory rainfall the more important characteristics of natural rainfall such as intensity, drop spectrum, kinetic energy, and momentum at impact, for using in soil erosion research with better results. In developing this simulator the better features of the basic types of earlier simulators, drip and nozzle, have been incorporated into this single design. The simulator developed in this study consists of a number of individual box modules placed in a rectangular pattern to form a single unit. Each module has a grid of capillary holes …


International Regulation Of Marine Pollution From Land-Based Sources, Richard Tucker Scully Apr 1974

International Regulation Of Marine Pollution From Land-Based Sources, Richard Tucker Scully

Marine Affairs Theses and Major Papers

Most of the waste products of human society end up in the oceans and the number and quantities of pollutants entering the oceans have been increasing at exponential rates. Recognition of these trends has resulted in expansion of international environmental attention to include sources of marine pollution other than vessels. Source, in this sense, refers to the pathway through which pollutants reach the sea. Land-based sources accounts for the vast bulk of the pollutants reaching the oceans. Effective protection of the marine environment, therefore, must include regulation of land-based sources of marine pollution.


The Perplexities Of The U. S. Marine Transportation System, Stewart B. Nelson Apr 1974

The Perplexities Of The U. S. Marine Transportation System, Stewart B. Nelson

Marine Affairs Theses and Major Papers

The U. S. merchant marine, today, is struggling to attain physical and economic health, but it is a formidable undertaking since approximately 95 percent of U. S. ocean-borne trade is currently being carried by foreign flag vessels. As used in this paper, the marine transportation system will focus upon the "well-balanced" aspects of maritime activities. Emphasis will be placed on the carriage of water-borne commerce and related supportive activities and industries. This paper, with only the broadest of perspectives, attempts to make some general comments concerning the economies of the marine transportation system and the interrelationships between marine transportation modes …


Very Large Crude Carriers (Vlccs) And Rules Of The Road For The Prevention Of Collisions, Charles F. Ake Apr 1974

Very Large Crude Carriers (Vlccs) And Rules Of The Road For The Prevention Of Collisions, Charles F. Ake

Marine Affairs Theses and Major Papers

A discussion of tanker ship development from the World War II T-2 to the million ton "Delta Ship" concept and an analysis of present and proposed Rules of the Road as they apply to VLCCs.The advantages of size, design characteristics, crew size and automation, propulsion systems and shiphandling characteristics are discussed in general comparitive terms. Projections show tremendous increase not only in the size of tank ships, but also in the size of the world's tanker fleet - approaching 5,000 vessels in the next ten years or so. The increasing size of crude oil carriers and their immense pollution potential …


The Tanker And Ocean Oil Pollution, Raymond Coombs Apr 1974

The Tanker And Ocean Oil Pollution, Raymond Coombs

Marine Affairs Theses and Major Papers

It is now clear that the capacity of the oceans to accept some of the by-products of civilization is limited. The oceans can no longer be the world's sink, it we are to maintain the ecological viability of the biosphere. The dangers of the present situation are compounded by the difficulties in defining "marine pollution." Today's concern with pollution and its effects upon our way of life requires that the impact of ships on the marine environment be considered in order to minimize the risk that waterborne cargoes, particularly petroleum products, present to the ecology.


The Dilemma Of Deep Ocean Mining, Paul W. Dillingham Jr. Apr 1974

The Dilemma Of Deep Ocean Mining, Paul W. Dillingham Jr.

Marine Affairs Theses and Major Papers

Mineral substances and materials derived from them, whether in the form of fuels, construction materials, metals for farbication, tools, chemicals, or fertilizers, are the foundation of our technological civilization. The modern industrial civilization depends upon the continued availability of mineral raw materials. The problem is not one of actual scarcity ; the raw materials are there in the ground and in the sea in great supply. The question and the uncertainty is economic; How will these resources be recovered and by whom? This proposition becomes the central force in order to adjust to the new resources climate.


The Two Hundred Mile Economic Zone And Scientific Research, Peter R. Latham Apr 1974

The Two Hundred Mile Economic Zone And Scientific Research, Peter R. Latham

Marine Affairs Theses and Major Papers

Knowledge of the deep ocean floor; continental shelves and margins is basic to many present and future uses of the sea. Such uses include mineral extraction, navigation of surface and subsurface vehicles, construction of structures on the sea bottom and along the margin, and exploitation of living resources of the shelf and of the water column. Uses of the ocean are directly impinged upon by technological changes resulting from research efforts. Applied science is nowhere more visible than in current development of offshore petroleum sources, development of new fisheries and speculation over possibilities for wealth awaiting mankind on the sea …


Tb69: Variability Of Drought In The Northeast, Eliot Epstein Apr 1974

Tb69: Variability Of Drought In The Northeast, Eliot Epstein

Technical Bulletins

Drought has been defined in many different terms and interpreted in different ways by meteorologists, hydrologists, and agriculturists. Essentially, the interpretation has depended on the means of evaluation. Hydrologists are essentially concerned with precipitation and runoff and often defines drought as a given period without rain. Agriculturists define drought in terms of soil moisture as related to crop growth. This publication presents many different graphs and maps on precipitation, evapotranspiration, and soil-plant relationships.


Distribution Of Trace Metals In A Warm Water Release Impoundment, J. Nix Apr 1974

Distribution Of Trace Metals In A Warm Water Release Impoundment, J. Nix

Technical Reports

A water quality study of the DeGray Reservoir, Arkansas, was conducted beginning immediately following the beginning of impoundment through the first year in which the reservoir was operated near normal pool elevation. DeGray Reservoir is the first major dam in Arkansas to be equipped with upper level release capabilities. Temperature, dissolved oxygen, and turbidity were measured in situ at stations located over the old river channel. Samples were taken from selected levels within the water column at each station and analyzed for the following parameters: pH, sodium, potassium, calcium, magnesium, nitrate, phosphate, sulfate, chloride, fluoride, alkalinity, COD, iron, manganese, copper, …


Waste Disposal In The Waters Of The New York Bight: The Genesis Of A Dead Sea, Edward J. Linky Apr 1974

Waste Disposal In The Waters Of The New York Bight: The Genesis Of A Dead Sea, Edward J. Linky

Marine Affairs Theses and Major Papers

This paper is composed of four chapters. Chapter I will seek to delineate the scope of the paper and acquaint the reader with recent activity concerning pollution in the Bight. Chapter II will focus exclusively on scientific data gathered to date, about the effects of pollution on marine ecosystems. Chapter II will consider legal aspects of the problem, including relevant legislation, standing and other remedies which would be available to individuals or groups seeking to ultimately halt all ocean dumping in the area. Chapter IV will consist of conclusions to be drawn from this study.


The Port Of Boston: Perspective On A Maritime Dilemma, Louis Edward Cellineri Apr 1974

The Port Of Boston: Perspective On A Maritime Dilemma, Louis Edward Cellineri

Marine Affairs Theses and Major Papers

Few in Massachusetts, or even in the metropolitan Boston area, however, understand their Port's past, and few still appreciate its present contributions and sympathize with its struggles and problematic future. Whatever its past fame or present indignities, the excitement of a vibrant, profitable waterfront does not enter into the advocacy and implementation of harbor recreational and residential development plans, with or without commercial activities. This near dismissal of the Seaport's present and potential value in certain circles, only presents another dilemma to those attempting to cope with this veritable maritime bag of worms. But despite all these obstacles, the Port …


Observations On The Distribution And Composition Of Zooplankton In Portions Of The Intracoastal Waterway, Virginia, O. Clair Hillard Jr. Apr 1974

Observations On The Distribution And Composition Of Zooplankton In Portions Of The Intracoastal Waterway, Virginia, O. Clair Hillard Jr.

Biological Sciences Theses & Dissertations

Five stations were established in the Southern Branch of the Elizabeth River, the Dismal Swamp Canal, the Albemarle and Chesapeake Canal and the North Landing River. Representative samples of zooplankton were taken from October 1971 to June 1972. A. total of 57 species were identified and discussions regarding seasonal distribution in relation to physical factors and circulation are presented.

The composition of the zooplankton was found to fluctuate greatly due to the variables characteristic of the study area. The combined effect of tidal flow with freshwater input in conjunction with drainage from the Great Dismal Swamp, results in isolated populations …


Deepwater Ports, Ronald Joel Calhoun Jan 1974

Deepwater Ports, Ronald Joel Calhoun

Marine Affairs Theses and Major Papers

This paper is designed to provide an overview of the oil energy import problem and an analysis in a case study format of the various deepwater port alternatives for direct shipment and transshipment of foreign crude oil. This work was initiated prior to the recent expanded energy crisis and although touches on the problems of dependency of the United States to foreign crude oil, the various alternative sources of energy, the essence of this paper is an analysis of the various deepwater port considerations for the direct or indirect importation of foreign crude oil; specifically along the Gulf Coast.


Lupin Agronomy: Time Of Planting, Seeding Rate And Variety In A Long Season Area., M. W. Perry Jan 1974

Lupin Agronomy: Time Of Planting, Seeding Rate And Variety In A Long Season Area., M. W. Perry

Experimental Summaries - Plant Research

To evaluate lupin varieties and agronomic practices in a long season district using a factorial experimental design. 74A16a Location - Warriup 57 km E. of .Albany. 74A16b Green Range, 70 km E. of Albany. Time of Planting (4) Seeding Rates (4) Varieties (4) Fertiliser.


Summary Of Experimental Work 1974, G Walton Jan 1974

Summary Of Experimental Work 1974, G Walton

Experimental Summaries - Plant Research

Lupinus albus cv WB2: Maximum yield response to 36 plants/m2 at Avondale (1973 and 1974) and Mt Barker Research Station in 1973 (achieved with 180 to 200 kg/ha seed rate), Maximum yield response to 48 plants/m2 at Chapman 1973 and 1974 and at Eradu 1974 (achieved with 220 tG 240 kg/ha). Very good yield results: Season - site Avondale 1973-3300, 1974-2250. kg/ha Chapman 1973-2800, 1974-2400. Mt Barker 1973-1900. 74A2 - Rates Of seeding for L, albus cv WB2. 74A21 - Rates of super on two lupin varieties. 74BR1 - Pasture regeneration after lupin survey. 74C4 - Rates of seeding L. …


Prostaglandins From Plexaura Homomalla: Ecology, Utilization And Conservation Of A Major Medical Marine Resource. A Symposium, Frederick M. Bayer, Alfred J. Weinheimer Jan 1974

Prostaglandins From Plexaura Homomalla: Ecology, Utilization And Conservation Of A Major Medical Marine Resource. A Symposium, Frederick M. Bayer, Alfred J. Weinheimer

Studies in Tropical Oceanography

No abstract provided.