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Modeling Flow And Flood-Plain Storage In A Tidally Affected River, A. G. Strickland, Jerad D. Bales

United States Geological Survey: Staff Publications

A one-dimensional, unsteady-flow model was calibrated, validated, and tested for a 30.4-mile reach of the tidally affected Roanoke River, North Carolina. The model includes a storage reservoir to represent the two-dimensional processes associated with flood-plain storage and release in the one-dimensional flow model. Simulated and measured water levels differed by less than 0.5 foot, and the average absolute difference between simulated and measured flows was 7 percent.

Sediment Delivery On Rill And Interrill Areas, John E. Gilley, D. C. Kincaid, W. J. Elliot, J. M. Laflen

Department of Agricultural and Biological Systems Engineering: Faculty Publications

Equations which relate sediment delivery to a power function of flow rate and slope gradient were evaluated in this study. The data used to parameterize the calculations were obtained from sites where crop residues had been removed, and moldboard plowing and disking had occurred. Measurements of sediment delivery resulting from simulated rainfall were obtained from preformed rills and interrill areas. The equations provided reliable sediment delivery estimates for selected soils located throughout the United States. To use the sediment delivery equations, soil-related parameter values must he identified. Multiple regression analyses were performed to relate parameter values used in the equations …

Plant Resistance To Insect Herbivores: A Field Test Of The Environmental Stress Hypothesis, Svata M. Louda, Sharon K. Collinge

Svata M. Louda Publications

We tested the hypothesis that environmental stresses decrease overall plant resistance to insect herbivory in the field and evaluated biochemical mechanisms proposed to explain insect response to stressed plants. To impose a stress treatment, we severed lateral roots and rhizomes of a native crucifer (bittercress, Cardamine cordifolia) and quantified plant and herbivore responses for treatment and control clones. Severing roots and rhizomes once, early in the growing season: (1) produced moderate, but detectable, changes in plant physiological traits, specifically greater transient leaf water deficits at midday (P < .05) and elevated nitrate-nitrogen concentrations (P < .05); (2) altered plant quality, by causing an increase in soluble carbohydrates (P < .003), isoleucine concentrations in leaves (P < .01), and possibly glucosinolate concentration (P < .10), but made no differences in most primary nutrient concentrations, including total nitrogen, total free amino nitrogen, total amino acids, proline, and leaf water content; and (3) led to increased herbivore by chewing and leaf-mining (P < .001), but not by sap-feeding, insect herbivores. Trends toward decreased plant stature and fruit reproduction were not significant after 1 mo. In addition to the significant effect of our treatment, we found extensive variation in the magnitude of response to stress and herbivory among replicates. We hypothesize that environmentally induced physiological variation among plants within a plant population commonly distributes insect herbivore disproportionately onto a subset of the individuals, and in so doing influences the demography, distribution, and evolution of that plant population.

Historical Ecology As A Research Program, Daniel R. Brooks, Deborah A. Mclennan

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Modern evolutionary biology is the descendant of two theories proposed by Darwin. First, all organisms are connected by common genealogy, and second, the form and function of organisms is closely tied to the environments in which they live. Of these two theories, the role of the first (phylogeny) in evolutionary explanations has been diminishing in some fields, most notably in ecology and ethology. However, the last ten years have witnessed the beginning of a reversal in this trend. With increasing frequency, ecologists (Wanntorp et aI., 1990; Maurer and Brooks, submitted), ethologists (Dobson, 1985; Huey and Bennett, 1987; Mclennan et aI., …

1H, 15N, 13C, And 13Co Assignments Of Human Interleukin-4 Using Three-Dimensional Double- And Triple-Resonance Heteronuclear Magnetic Resonance Spectroscopy, Robert Powers, Daniel S. Garrett, Carl J. March, Eric A. Frieden, Angela M. Gronenborn, G. Marius Clore

Robert Powers Publications

The assignment of the ¹H, ¹⁵N, ¹³CO, and ¹³C resonances of recombinant human interleukin-4 (IL-4), a protein of 133 residues and molecular mass of 15.4 kDa, is presented based on a series of 11 three-dimensional (3D) double- and triple resonance heteronuclear NMR experiments. These studies employ uniformly labeled ¹⁵N- and ¹⁵N/¹³C-labeled IL-4 with an isotope incorporation of >95% for the protein expressed in yeast. Five independent sequential connectivity pathways via one-, two-, and three-bond heteronuclear J couplings are exploited to obtain unambiguous sequential assignments. Specifically, CO(i)-N(i+l),NH(i+l) correlations are observed in the HNCO …

Analysis Of The Backbone Dynamics Of The Ribonuclease H Domain Of The Human Immunodeficiency Virus Reverse Transcriptase Using 15N Relaxation Measurements, Robert Powers, G. Marius Clore, Stephen J. Stahl, Paul T. Wingfield, Angela Gronenborn

Robert Powers Publications

The backbone dynamics of the uniformly ¹⁵N-labeled ribonuclease H (RNase H) domain of human immunodeficiency virus (HIV- 1) reverse transcriptase have been investigated using two-dimensional inverse-detected heteronuclear ¹⁵N-^lH NMR spectroscopy. ¹⁵N T₁, T₂, and nuclear Overhauser enhancement (NOE) data were obtained for 107 out of a total of 134 backbone amide groups. The overall rotational correlation time (T_R) for the protein at 26˚ is 10.4 ns. The backbone N-H vectors for all the measurableresidues exhibit very fast motions on a time scale of <20 ps. The ¹⁵N relaxation data for …

Review Of: Steven Payne, O.C.D. John Of The Cross And The Cognitive Value Of Mysticism: An Analysis Of Sanjuanist Teaching And Its Philosophical Implications For Contemporary Discussion Of Mystical Experience, 1990, Elizabeth Wilhelmsen

Spanish Language and Literature Papers

In this study Steven Payne argues that mystical states have objective cognitive content and that consequently mysticism "has a significant bearing on the justification of religious faith ... " (p. ix). The book is divided into two main sections: the first is dedicated to the life and teachings of St John of the Cross; and the second is an attempt to "justify belief in the cognitive value of mystical and religious experience" by means of what Payne calls an "explanatory inference" (p. xiii).

Track Structure Model For Damage To Mammalian Cell Cultures During Solar Proton Events, Francis A. Cucinotta, J. W. Wilson, L. W. Townsend, J. L. Shinn, Robert Katz

Robert Katz Publications

Solar proton events (SPEs) occur infrequently and unpredictably, thus representing a potential hazard to interplanetary space missions. Biological damage from SPEs will be produced principally through secondary electron production in tissue, including important contributions due to delta rays from nuclear reaction products. We review methods for estimating the biological effectiveness of SPEs using a high energy proton model and the parametric cellular track model. Results of the model are presented for several of the historically largest flares using typical levels and body shielding.

Intact Parathyroid Hormone: Performance And Clinical Utility Of An Automated Assay Based On High-Performance Immunoaffinity Chromatography And Chemiluminescence Detection, David S. Hage, Bob Taylor, Pai C. Kao

David Hage Publications

The performance and clinical utility of an automated assay of intact parathyroid hormone (parathyrin, PTH) are evaluated. The method is based on the extraction of PTH from plasma by an HPLC column containing immobilized anti-(44-68 PTH) antibodies. The PTH retained is detected with a postcolumn reactor and use of anti-(1--34 PTH) chemiluminescent-labeled antibodies. The total cycle time of the assay is 6.5 mm per injection after a 1-h incubation.The lower limit of detection for PTH in a 66-pL plasma sample was 0.5 pmol/L based on peak heights and 0.2 pmol/L based on peak areas. Mean analytical recovery for PTH added …

Coprolite Analysis: A Biological Perspective On Archaeology, Karl J. Reinhard, Baughn M. Bryant Jr

Karl Reinhard Publications

The most remarkable dietary remains recoverable from archaeological contexts are coprolites. Coprolites are desiccated or mineralized feces that are preserved in sheltered and open sites in arid regions, primarily in the New World. These dietary remains are remarkable from several perspectives. They typically contain a variety of macroscopic and microscopic remains that form interrelated data sets for the reconstruction of diets. Because contexts containing coprolites are typified by excellent preservation, the remains coprolites contain tend to be in better states of preservation than dietary remains recovered from nonfecal deposits. Coprolites also contain the well-preserved remains of intestinal parasites and pathogens …

Phase Transitions In K2Zncl4, H. M. Lu, John R. Hardy

John R. Hardy Papers

It is shown that the potential-energy surface in K₂ZnCl₄ contains a double-well structure, very similar to some of the other A₂BX₄ compounds (e.g., K₂SeO₄, Rb₂ZnCl₄), except that the double well is much deeper and broader, giving rise to a highly disordered high-temperature phase as observed experimentally. A lattice-dynamics study of the Pna2₁ structure shows an instability with the wave vector q=0.5b^*+(0.5±δ)c^*, providing an explanation to the incommensurate phase transition reported recently.

Stable Isotope Study Of Water-Rock Interaction And Ore Formation, Bayhorse Base And Precious Metal District, Idaho, Robert R. Seal Ii, Robert O. Rye

United States Geological Survey: Staff Publications

The Bayhorse base and precious metal district situated east of the Idaho batholiths in south-central Idaho. The ores occur near the Nevada Mountain granitic stock as veins cutting the lower Paleozoic Ramshorn Slate and the Garden Creek Phyllite, and as fillings around breccias fragments within the Bayhorse Dolomite. The veins are dominated by siderite and tetrahedrite, with lesser quartz and galena, whereas the breccias ores dominantly comprise only quartz and galena. Mineralization and intrusive activity were contemporaneous during Cretaceous time. Fluid inclusion and stable isotope data indicate that mineralization formed from hot (ca. 375° -225°C), CO₂-rich (≤8.3 ± …

Introduction To Special Section On The Cajon Pass Scientific Drilling Project, Mark D. Zoback, Arthur H. Lachenbruch

United States Geological Survey: Staff Publications

Over the past few decades a generally accepted conceptual model for the thermomechanics of the San Andreas fault was based on three factors believed to have been supported by observation: (1) maximum horizontal shear stress increases with depth in the crust at the rate of 7-8 MPa/km (as indicated by measurements in relatively shallow boreholes), roughly the same rate of shear stress increase as in other regions [e.g., McGarr et al., 1982], (2) the maximum horizontal stress direction in the vicinity of the fault was oriented at about 300-45 ° to its strike (as indicated by the predominance of right-lateral …

Sr-Isotope Record Of Quaternary Marine Terraces On The California Coast And Off Hawaii, Kenneth R. Ludwig, Daniel R. Muhs, Kathleen R. Simmons, James G. Moore

United States Geological Survey: Staff Publications

Strontium-isotopic ratios of dated corals have been obtained from submerged reefs formed during Quaternary glacial periods off the Hawaiian islands. These data, combined with data from deep-sea sediments, tightly constrain the secular variation of marine ⁸⁷Sr/⁸⁶Sr for the past 800,000 yr. Although long-term trends are apparent, no significant (>0.02‰), rapid (<100,000 yr) excursions in ⁸⁷Sr/⁸⁶Sr were resolved nor did we observe any samples with ⁸⁷Sr/⁸⁶Sr greater than that of modern seawater. Strontium in mollusks from elevated marine terraces formed during interglacial periods on the southern California coast show resolvable and consistent variations in …

On Integrated Pollution Control, James E. Krier

Articles

Integrated pollution control, or IPC, can be defined for now as an approach to environmental regulation that "seeks particularly to link air, water, and waste programs. Its concern is institutional changes that reduce total risk to the environment from pollutants." 8 This sounds remarkably appealing, which perhaps explains IPC's recurring popularity. As we shall see, it enjoyed a brief celebrity about twenty years ago, and it is once again in vogue-especially within the U.S. Environmental Protection Agency (EPA).

Is the Agency's recent interest in IPC a good thing? We worry that it is not. First of all, IPC has an …

A Black (And Rising?) Tide: Controlling Maritime Oil Pollution In Canada, Suzanne Hawkes, Michael M'Gonigle

Osgoode Hall Law Journal

A series of dramatic oil spills in recent years has once again drawn critical attention to the nature and adequacy of existing domestic and international legislation regarding ship source oil pollution. Predictably, legislators and policy makers have responded with a plethora of studies, reviews, and consultations. However, past improvements to the domestic and international regimes have traditionally been slow and incremental, at best. In Canada, approximately three years have passed since the Nestucca spill took place off the B.C. coast. Yet, while there has been much discussion, domestic legislation remains virtually unaltered at the present time. The authors find that …

Technical Skills For Packaging Sales, Duane P. Beck

Theses

This study addresses technical skills for packaging sales. Based on the results of the study, a training manual and course of instruction have been developed to introduce an innovative approach to packaging sales. "Technical Skills for Packaging Sales" defines the packaging sales professional, or PSP, a new kind of professional combining the skills of the salesperson with expertise of an engineer. Firmly grounded in the customer-- comes-first philosophy, the PSP is a problem solver, able to evaluate any packaging application to satisfy the customer's needs. "Technical Skills for Packaging Sales" explains an engineer's approach to packaging, including analyzing details, writing …

Co-Occurrence Of Dinoflagellate Blooms And High Ph In Marine Enclosures, Kenneth R. Hinga

Graduate School of Oceanography Faculty Publications

High abundances of dinoflagellates in mixed phytoplankton populations in marine enclosures were strongly correlated with high pH during 23 enclosure-years of weekly samples. Diatom blooms were not similarly correlated with high pH. The correlation with high pH was not the result of dinoflagellate blooms themselves drawing down the CO₂ and driving up the seawater pH. Examination of individual blooms of >500 cells ml^-1 indicates that dinoflagellate cell counts increased only after the pH was driven high (i.e. >8.5). High pH occurred either by natural processes (diatom blooms) or, in one case, by an artificial manipulations of the pH …

Marital Property Rights In Transition, Lawrence W. Waggoner

Articles

The subject of "marital property rights" is very timely because those rights are in a state of transition. The term "marital property rights" covers a vast multitude of rights or interests conferred by law on persons who occupy the status of spouse. This lecture is divided into four discrete, yet related segments. The first segment addresses how the law allocates original ownership between spouses in a marriage. The second segment turns to the intestate share of the surviving spouse. This is not a topic that high-powered estate planners get involved in very much because intestate estates are usually fairly small. …

Tax Policy And Panda Bears, Douglas A. Kahn, Jeffrey S. Lehman

Articles

In this article. Professors Kahn and Lehman argue that the concept of tax expenditure is flawed as a tool for measuring the propriety of tax provisions. It assumes the existence of on true and correct standard of federal income taxation that applies to all circumstances. To make that a assumption, the proponents of the concept implicitly make a particular moral claim about the relative importance of a wide range of values, including efficiency, consumption/savings neutrality, privacy, distributional equity, administrabiliy, charity, and pragmatism. They then measure a tax provision's "normalcy" exclusively by how it conforms to their Platonic concept of income. …

Tax Expenditure Budgets: A Critical View, Douglas A. Kahn, Jeffrey S. Lehman

Articles

During the past few months, Tax Notes has featured an extended discussion about the "normalcy" (or lack thereof) of accelerated depreciation. Two contributions to that discussion came from Professor Calvin Johnson of the University of Texas Law School, who disagreed with certain aspects of an article that Professor Kahn wrote in 1979. And the debate shows no sign of slowing down. The interchange over the details of accelerated depreciation offers a useful backdrop against which to consider a more general issue: the intellectual coherence of the tax expenditure budgets. The larger concept of tax expenditures was what motivated Kahn to …

The Campus Map: The Case Of Wilfrid Laurier University, Tanya Dykshoorn

Theses and Dissertations (Comprehensive)

University campus maps are not generally designed for navigational purposes. However, they are often employed by universities for image-building purposes. A collection of campus maps of universities across Canada have been examined with regards to navigation and image-building. The final focus of this thesis is on the Wilfrid Laurier University campus map.

In order to understand the importance of the navigational process on the campus, it is necessary to examine the professions that depend upon maps to navigate through the environment. Children, orienteers and marine navigators provide us with the basic foundations and some of the finer details of employing …

The Advantages Of The Course Of Study School, D. Stephen Long

The Asbury Journal

No abstract provided.

The Miracle Of Atheism, Laurence W. Wood

The Asbury Journal

No abstract provided.

Journal In Entirety

The Asbury Journal

No abstract provided.

Book Reviews, David L. Thompson, Joseph R. Dongell, Joseph S. Wang, Jerry L. Walls, David W. Lutz, David Bundy, Aruthur J. Dyck, Phillip M. Hall

The Asbury Journal

No abstract provided.

Toward A Partial Economic, Game-Theoretic Analysis Of Hearsay, Richard D. Friedman

Articles

In this Article, I offer a fundamentally different and nondoctrinaire way of approaching hearsay questions. In brief, I take the view that the resolution of a hearsay dispute, when the declarant is not on the stand, is essentially a matter of deciding who should bear the burden of producing the declarant, or more precisely, how courts should allocate that burden. Adopting a simple procedural improvement, concerning the examination of the declarant if she is produced as a witness, allows the court to allocate the burden optimally. If live testimony by the declarant would be more probative than prejudicial, then most …

Standards Of Persuasion And The Distinction Between Fact And Law, Richard D. Friedman

Articles

The invitation to respond in these pages to Gary Lawson's very interesting article, Proving the Law, was tempting enough. But what made it irresistible was Professor Lawson's comment that he is "addressing, with a brevity that borders on the irresponsible, subjects well beyond [his] depth." Now, that's the kind of debate I really like. Let me jump right in. A principal question raised by Lawson, which I find quite interesting, may be phrased in general, and purposefully ambiguous, terms as follows: Before an actor treats a proposition as a valid2 proposition of law, what standard of persuasion should that proposition …

Evidentiary Rules And Rulings: The Role Of Treatises, Richard D. Friedman

Articles

I have devoted large gobs of time to work on a multi-author treatise on the law of evidence.' And before even one volume is published, I will devote further multiple gobs of time to the project-which, perhaps audaciously and perhaps merely foolishly, but with heredity and precedent on our side,2 we are calling The New Wigmore. Accordingly, I found the question posed by this symposium-Does Evidence Law Matter?-rather disquieting. If it is doubtful even whether the law of evidence matters, then how much can a treatise on the law of evidence matter, and how worthwhile can such a work be? …

An Asymmetrical Approach To The Problem Of Peremptories?, Richard D. Friedman

Articles

The Supreme Court's decision in Batson v. Kentucky, and the extension of Batson to parties other than prosecutors, may be expected to put pressure on the institution of peremptory challenges. After a brief review of the history of peremptories, this article contends that peremptories for criminal defendants serve important values of our criminal justice system. It then argues that peremptories for prosecutors are not as important, and that it may no longer be worthwhile to maintain them in light of the administrative complexities inevitable in a system of peremptories consistent with Batson. The article concludes that the asymmetry of allowing …