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Particulate Organic Matter In Surface Waters Off Southern California And Its Relationship To Phytoplankton, R. W. Eppley, W. G. Harrison, S. W. Chisholm, E. Stewart

Journal of Marine Research

Particulate carbon, nitrogen, chlorophyll a, adenosine triphosphate, particle count and particle volume were measured in the euphotic zone during six quarterly cruises (between September, 1974, and March, 1976) in the Southern California Bight. The distribution and quantitative relationships among these parameters were examined in an attempt to estimate the relative contributions of plankton to the total particulate matter....

Tidally Induced Residual Currents In Estuaries Of Constant Breadth And Depth, John P. Ianniello

Journal of Marine Research

Two-dimensional analytic solutions are derived, as a function of depth and longitudinal distance, for the Eulerian and Lagrangian residual currents induced in narrow tidal channels of constant breadth, depth and rectangular cross-section by the nonlinear interactions of the first order tides. The turbulence is represented by several different vertically variable eddy viscosity models chosen to bracket the range of likely vertical variation....

Synthetic Models For Catechol-O-Methyl Transferase, Robert William Hand

Yale Medicine Thesis Digital Library

No abstract provided.

Bulletin Of Yale University School Of Nursing 1977-1978, Yale School Of Nursing

Yale School of Nursing Bulletins and Catalogues

Series 73, Number 13

September 1, 1977

Production And Characterization Of A Murine Lymphocyte Activating Factor, James Allen Fox

Yale Medicine Thesis Digital Library

No abstract provided.

The Effects Of Coastal Geometry On Equatorial Waves (Forced Waves In The Gulf Of Guinea), S. G.H. Philander

Journal of Marine Research

The response of a stratified, semi-infinite equatorial ocean, bounded by a zonal coast close to the equator, to forcing at a given frequency and zonal wavenumber, is considered. If the coast is distant from the equator, the vertically propagating waves that are excited could include an infinite set of inertia-gravity waves, a finite set of Rossby waves, a Rossby-gravity wave and a coastally or equatorially trapped Kelvin wave....

Properties Of Teratocarcinoma Somatic Cell Hybrids, Richard A. Miller

Yale Medicine Thesis Digital Library

No abstract provided.

Specialized Scales In The Cloacal Region Of Two Paleozoic Fishes (Crossopterygii), Keith S. Thomson, Jerome S. Rackoff, Joan S. Darling

Postilla

Modified scales in the cloacal region of two osteolepid rhipidistians are described for the first time. A specimen of Megalichthys sp. (from the Pennsylvanian of Ohio), consisting of an isolated portion of the pelvic region, shows five enlarged scales along the ventral midline: two sets of paired flanking scales and one unpaired central scale. There is no direct evidence of the cloaca in this specimen. In the only known specimen of Sterropterygion brandei (from the Upper Devonian of Pennsylvania), the cloacal position is preserved, and there is one pair of enlarged scales flanking the opening. The modified scales in both …

Economic Development Of Traditional China, John C. H. Fei

Discussion Papers

No abstract provided.

Prosauropod Dinosaurs (Reptilia: Saurischia) Of North America, Peter Malcolm Galton

Postilla

The prosauropods from the Lower Jurassic Portland Formation of the Connecticut Valley are referred to two monospecific genera: the slender-footed Anchisaurus polyzelus (junior synomyns A. colurus, Yaleosaurus colurus) and the broad-footed Ammosaurus major (junior synonyms Ammosaurus solus, Anchisaurus solus); the material from Arizona is referred to Ammosaurus cf. major. The family Anchisauridae is restricted to three slenderfooted genera (Anchisaurus, Efraasia, Thecodontosaurus); the remaining anchisaurids are broad-footed forms which are transferred to the family Plateosauridae along with Ammosaurus, a genus long regarded as an extremely primitive coelurosaur. The replacement of prosauropods by ornithischians as the dominant "smallto medium-sized" (up to 10 …

Nutrition And The Fertility Of Younger Women In Kinshasa, Zaire, Barbara Anderson, James L. Mccabe

Discussion Papers

No abstract provided.

A New Species Of Apterodon (Mammalia, Creodonta) From The Upper Eocene Qasr El-Sagha Formation Of Egypt, Elwyn L. Simons, Philip D. Gingerich

Postilla

The mandible of a medium-sized carnivore discovered by a recent Yale paleontological expedition to the Fayum Province of Egypt represents a new species of the creodont Apterodon. The type and only specimen of this new species, Apterodon saghensis, comes from the Upper Eocene Qasr el-Sagha Formation and thus represents the earliest terrestrial carnivore yet described from the African continent. Unfortunately the specimen contributes little to our understanding of the origin and relationships of Apterodon.

Adult-Larval Interactions In Dense Infaunal Assemblages: Patterns Of Abundance, Sarah Ann Woodin

Journal of Marine Research

Dense assemblages of infauna! organisms are of three types: burrowing deposit feeders, suspension feeders, and tube builders. Such assemblages are discrete, often age-class dominated, and have sharp boundaries with neighboring assemblages. The hypothesis presented is that the sharp boundaries observed among assemblage types and the maintenance of these discrete dense assemblages in infauna! systems is due to interactions among the established infaunal individuals and settling larvae....

The Density Of Seawater Solutions At One Atmosphere As A Function Of Temperature And Salinity, Frank J. Millero, Agustin Gonzalez, Gary K. Ward

Journal of Marine Research

The relative density (d – d0) of diluted and evaporated standard seawater solutions have been determined at one atmosphere with a magnetic float densimeter and a suspension balance from 0.5 to 40‰ salinity and 0 to 40°C….

The Seasonal Upwelling Cycle Along The Eastern Boundary Of The North Atlantic, Warren S. Wooster, Andrew Bakun, Douglas R. Mclain

Journal of Marine Research

Merchant ship observations were summarized for one-degree squares along the eastern shore of the Atlantic between 7° and 44°N; monthly averages were prepared for several properties including sea surface temperature and its difference from mid-ocean values, offshore Ekman transport, and surface current....

Generation Of Langmuir Circulations By Surface Waves ---- A Feedback Mechanism, Christopher Garrett

Journal of Marine Research

Surface gravity waves propagating obliquely through a surface current pattern (U(y), V(y)) representative of Langmuir circulations exert a force on the water which tends to produce surface convergences at maxima of U(y). Moreover, the waves achieve their largest amplitude at maxima of U(y) and so are most likely to dissipate there and give up their momentum to the mean flow. A feedback mechanism thus exists...

Munk And Riley Revisited: Nutrient Diffusion Transport And Rates Of Phytoplankton Growth, Jerome Gavis

Journal of Marine Research

Although phytoplankton nutrient uptake rates are controlled primarily by biological properties of the organism and nutrient concentration, diffusion transport of nutrient to the organism through the medium in which the organism is immersed can influence uptake rates. The original ideas of Munk and Riley on control of nutrient uptake by diffusion transport are recast in terms of present knowledge of the interaction of diffusion transport and biological control of uptake rates....

A New Large Volume Filtration System For The Sampling Of Oceanic Particulate Matter, J. K.B. Bishop, J. M. Edmond

Journal of Marine Research

A large volume in situ filtration system has been developed for the extraction of material greater than one micron in diameter from several cubic meters of water. The system has worked reliably to 400 meters. The particulate matter concentrations determined in profile compare well with those found using conventional Niskin-Nuclepore techniques. By using 53µm Nitex and 1µm glass fiber filters in series, the samples are separated into two size fractions....

Model Of World Ocean Circulation: Ii. Thermally Driven, Two-Layer, George Veronis

Journal of Marine Research

Oceanic motions are partly driven by thermal forces associated with differential heating of the surface waters between tropical and polar regions. In this study thermal driving is parameterized in a two-layer system by an assumed upwelling of fluid through the interface. The upwelling is steady and horizontally uniform wherever upper-layer water is present. With an assumed constant depth of the interface along the eastern boundary the transports of the upper and lower layers and the interface distribution are derived for the interior ocean....

Particulate Matter Sinking To The Deep-Sea Floor At 2000 M In The Tongue Of The Ocean, Bahamas, With A Description Of A New Sedimentation Trap, Peter H. Wiebe, Steven H. Boyd, Clifford Winget

Journal of Marine Research

A sedimentation trap for use just above the deep-sea floor was free-fallen to a depth of 2050 m in the Tongue of the Ocean canyon on January 3, 1974. On March 6, it was successfully recovered with the assistance of D.S.R.V. Alvin. The trap has a base 1 m square and a height of 30 cm. At the trap bottom are filters to retain falling particles. Two spring-powered sliding doors, each 1 m × 0.5 m, are used to close off the lower 2 cm of the trap during ascent to prevent disturbance of the particles collected on the filters....

A Note On Estuarine Mean Flow Estimation, Robert H. Weisberg

Journal of Marine Research

The sampling interval required for estuarine mean flow estimation is examined. Examples drawn from the literature show that nontidal estuarine flow is highly variable and that under common everyday conditions this variance is predominantly wind-induced. Thus, record lengths sufficiently longer than the time scale of locally energetic wind fluctuations are required. A nondimensional parameter expressing the number of tidal cycles which must be averaged over to attain a given error tolerance is offered....

Baroclinic Rossby Waves As Inferred From Temperature Fluctuations In The Eastern Pacific, William J. Emery, Lorenz Magaard

Journal of Marine Research

Monthly mean values of temperature from both hydrographic and XBT casts are used to compute isotherm displacements at weather station November (30N, 140W) and at six 2-degree squares between Hawaii and the weather station. A composite spectrum computed from all the isotherms in the six 2-degree squares shows significantly higher potential energy in the frequency range below the theoretical cut-off frequency (corresponding period about five months) for baroclinic Rossby waves....

The Effect Of Mean Flow During An Upwelling Event On The Rays Of Internal Waves, John Kroll

Journal of Marine Research

Hayes and Halpern (1976) have calculated the rays associated with internal waves in the semidiurnal frequency range. This they do to show how the change of the trajectories of these rays, due to density changes occurring during an upwelling event, can explain the decrease of semidiumal activity observed at their mooring site. Here we consider the additional effect of the mean flow generated by an upwelling event....

The Somali Current Response To The Southwest Monsoon: The Relative Importance Of Local And Remote Forcing, David L.T. Anderson, Philip B. Rowlands

Journal of Marine Research

A simple model of the Somali current is formul ated which allows both local longshore forcing and remote east-west forcing. Asymptotic solutions for the pressure perturbation and velocity fields are obtained for both cases and the sensitivity of the boundary response to changes in the shape and position of the forcing is examined. The local forcing drives a flow whose north-south velocity increases linearly with time and the remote forcing , a flow in which the north-south velocity increases quadratically....

Possible Interactions Between Plankton And Semidiurnal Internal Tides. Ii. Deep Thermoclines And Trophic Effects, Daniel Kamykowski

Journal of Marine Research

Previous results of a computer model suggested a number of possible interactions between semidiurnal internal tides and phytoplankton. One extension considers a phytoplankton grid (swimming speed 1-2 m h-1) that is initially distributed at sunset in the upper layer of a water column characterized by a relatively deep mean thermocline depth (25 m) . The organisms undergo a diurnal vertical migration while the water column is simultaneously disturbed by successive semidiurnal internal tides....

A Comparison Of Upwelling Events In Two Locations: Oregon And Northwest Africa, Adriana Huyer

Journal of Marine Research

Intensive observations of the low frequency (less than one cycle per day) response of upwelling regimes to fluctuations in the wind have been made in two locations: the Oregon coast near 45°15'N, and the Northwest African coast at 21°40'N. Both regimes show an equatorward coastal jet at the surface, quasi-barotropic fluctuations in the alongshore flow, and a poleward undercurrent....

Hadal Community Structure: Implications From The Aleutian Trench, Peter A. Jumars, Robert R. Hessler

Journal of Marine Research

A 0.25-m2 box core from the Aleutian Trench (50°58.0'N, 171°37.5'W) was used to generate hypotheses concerning the regulation of benthic community structure in oceanic trenches. High food supply and the concentrating effects of trench topography are suggested by the unexpectedly high standing crop (1272 individuals of macrofaunal taxa m2) and by the feeding modes of the captured polychaetes....

The Relationship Between Cupric Ion Activity And The Toxicity Of Copper To Phytoplankton, William Sunda, Robert R.L. Guillard

Journal of Marine Research

Culture experiments with the estuarine diatom Thalassiosira pseudonana (clone 3H) in highly chelated seawater media demonstrate that growth rate inhibition and copper content of cells are related to cupric ion activity, and not to total copper concentration. Cupric ion activity was altered independently of total copper concentration by varying the chelator concentration, and the pH....

Species Densities Of Macrobenthos Associated With Seagrass: A Field Experimental Study Of Predation, David K. Young, Martin A. Buzas

Journal of Marine Research

Caging experiments in a wide variety of marine environments over a period of almost fifty years have produced dramatic density increases of macrobenthos in the absence of predators. This study utilized predator exclusion cages in seagrass areas of a subtropical estuary in east central Florida to determine if predicted increases in density would result....

Tide-Induced Residual Current, A 2-D Nonlinear Numerical Tidal Model, K. T. Tee

Journal of Marine Research

Tide-induced residual current was studied through solution of the two-dimensional nonlinear shallow-water equation. A simple numerical method was developed and applied to Minas Channel and Minas Basin at the head of the Bay of Fundy where strong residual currents of up to 0.76 m/sec have been measured....