Reply to Dr. Stoesselfs comment on “Reaction paths and equilibrium end-points in solid-solution aqueous-solution systems”
Pierre D. Glynn, Eric J. Reardon, Niel Plummer, Eurybiades Busenberg
1992, Geochimica et Cosmochimica Acta (56) 2559-2572
In reply to the Critical Comment of R. K. Stoessell (this issue), limiting activity coefficients of bromide in halite (γNaBr) have been calculated by least-squares fitting of Simons et al.'s (1952) bromide distribution coefficient data for the Na(Cl,Br)-NaOH-H2O system at 35°C. Regular and subregular solidsolution model fits give γNaBr...
Seismicity and geometry of a 110‐km‐long blind thrust fault 1. The 1985 Kettleman Hills, California, earthquake
E. Ekstrand, Ross Stein, J. P. Eaton, D. Eberhart-Phillips
1992, Journal of Geophysical Research B: Solid Earth (97) 4843-4864
The August 4, 1985, Kettleman Hills earthquake was the third in a sequence of moderate shocks to occur beneath the northern half of a 110‐km‐long fold chain bounding the eastern California Coast Ranges. The 1982 MW =5.4 New Idria, 1983 MW=6.5 Coalinga, and 1985 MW=6.1 Kettleman Hills events define a southward...
Limitations of quantitative analysis of deep crustal seismic reflection data: Examples from GLIMPCE
Myung W. Lee, Deborah R. Hutchinson
1992, Journal of Geophysical Research B: Solid Earth (97) 4705-4719
Amplitude preservation in seismic reflection data can be obtained by a relative true amplitude (RTA) processing technique in which the relative strength of reflection amplitudes is preserved vertically as well as horizontally, after compensating for amplitude distortion by near-surface effects and propagation effects. Quantitative analysis of relative true amplitudes of...
Nonresponse patterns in the Federal Waterfowl Hunter Questionnaire Survey
Grey W. Pendleton
1992, Journal of Wildlife Management (56) 344-348
I analyzed data from the 1984 and 1986 Federal Waterfowl Hunter Questionnaire Survey (WHQS) to estimate the rate of return of name and address contact cards, to evaluate the efficiency of the Survey's stratification scheme, and to investigate potential sources of bias due to nonresponse at the contact card and...
Shear stress and bed roughness estimates for combined wave and current flows over a rippled bed
D.E. Drake, D.A. Cacchione, W.D. Grant
1992, Journal of Geophysical Research C: Oceans (97) 2319-2326
High‐quality bottom boundary layer measurements and bottom photographs were obtained over a sand substrate during a 10‐day deployment of the GEOPROBE tripod at an inner shelf (35‐m water depth) location off northern California. The seafloor surrounding the tripod was composed of well‐sorted medium‐grained (mean diameter, 0.25 mm) sand which was...
Estimating transition probabilities for stage-based population projection matrices using capture-recapture data
James D. Nichols, John R. Sauer, Kenneth H. Pollock, Jay B. Hestbeck
1992, Ecology (73) 306-312
In stage—based demography, animals are often categorized into size (or mass) classes, and size—based probabilities of surviving and changing mass classes must be estimated before demographic analyses can be conducted. In this paper, we develop two procedures for the estimation of mass transition probabilities from capture—recapture data. The first approach...
Fyke-net and gill-net size selectivities for yellow perch in Green Bay, Lake Michigan
Clifford E. Kraft, Barry L. Johnson
1992, North American Journal of Fisheries Management (12) 230-236
We estimated a fyke‐net selectivity function for yellow perch Perca flavescens in Green Bay, Lake Michigan, by comparing length‐frequency distributions of yellow perch captured in fyke nets with different mesh sizes in 1986. Using a length—girth relationship for Green Bay yellow perch, we expressed selectivity as the ratio of girth (G) to...
Acoustic waveform logging: Advances in theory and application
F.L. Paillet, C.H. Cheng, W.D. Pennington
1992, Log Analyst (33) 239-258
Full-waveform acoustic logging has made significant advances in both theory and application in recent years, and these advances have greatly increased the capability of log analysts to measure the physical properties of formations. Advances in theory provide the analytical tools required to understand the properties of measured seismic waves, and...
Morphology of the island of Hawaii
James G. Moore, Robert K. Mark
1992, GSA Today (2) 257-262
Digital elevation data for the island of Hawaii from the U.S. Geographical Survey gridded at 30 m spacing was used to generate a slope map, a shaded relief map, and plots that compare slope and elevation for each of the five volcanoes that compose the island.These computer- generated products are...
Geographic Variation in Hirundo pyrrhonota (Cliff Swallow) from Northern North America
M. Ralph Browning
1992, Western Birds (23) 21-29
The number of subspecies recognized in Hirundo pyrrhonota Vieillot (Cliff Swallow) from Alaska, Canada, and the northern contiguous United States ranges from one (Peters 1960) to three (e.g., Jewett et al. 1953, Oberholser, 1920, breeding from central Alaska to the central Great Basin, and two disjunct populations of nominate pyrrhonota,...
Geologic sampling of the Chiricahua mountains, Arizona
E. A. Du Bray
1992, Bulletin 2021
Geochemical data for, and availability of samples collected during geologic mapping of the quadrangle....
Assessment of habitat of wildlife communities on the Snake River, Jackson, Wyoming
Richard L. Schroeder, Arthur W. Allen
1992, Report, Fish and Wildlife Service Resource Publication 190
The composition of the wildlife community in western riparian habitats is influenced by the horizontal and vertical distribution of vegetation, the physical complexity of the channel, and barriers to movement along the corridor. Based on information from the literature and a workshop, a model was developed to evaluate the wildlife...
Comparison of algorithms for replacing missing data in discriminant analysis
Daniel J. Twedt, D.S. Gill
1992, Communications in Statistics - Theory and Methods (21) 1567-1578
We examined the impact of different methods for replacing missing data in discriminant analyses conducted on randomly generated samples from multivariate normal and non-normal distributions. The probabilities of correct classification were obtained for these discriminant analyses before and after randomly deleting data as well as after deleted data were replaced...
Enhancement and integration of airborne gamma-ray spectrometric and Landsat imagery for regolith mapping — Cape York Peninsula
J. R. Wilford, C. F. Pain, J. C. Dohrenwend
1992, Exploration Geophysics (23) 441-445
Airborne gamma-ray spectrometric data (400-m line spacing), gathered for the National Geoscience Mapping Accord North Queensland Project, has proved invaluable for differentiating regolith types based on their potassium, thorium and uranium signatures. The ability of the gamma-ray signal to penetrate the vegetation cover and as much as 40 cm below...
Use of remote sensing and GIS to identify Flamingo habitat in the Argentine Altiplano
Susan C. Boyle, Roger M. Hoffer, Terence P. Boyle, Enrique H. Bucher
1992, Bulletin of the Ecological Society of America (73)
The Argentine altiplano is a remote area which has never been adequately mapped. It is an arid region with harsh climate, little vegetation, sparse population, and an average elevation of over 3,500 feet. Little is known about the large populations of three species of flamingos which nest and...
Use of ecological data in the defense of natural resources in parks and protected areas: Scientific, legal, and social strategies
T. P. Boyle, N. J. Hoefs
1992, Bulletin of the Ecological Society of America (73) 118-119
No abstract available....
Techniques for estimating 7-day, 10-year low-flow characteristics for ungaged sites on streams in Mississippi
Pamela A. Telis
1992, Water-Resources Investigations Report 91-4130
Mississippi State water laws require that the 7-day, 10-year low-flow characteristic (7Q10) of streams be used as a criterion for issuing wastedischarge permits to dischargers to streams and for limiting withdrawals of water from streams. This report presents techniques for estimating the 7Q10 for ungaged sites on streams in Mississippi...
Commissioned Review. Carbon: freshwater plants
Jon E. Keeley, D.R. Sandquist
1992, Plant, Cell & Environment (15) 1021-1035
δ13C values for freshwater aquatic plant matter varies from −11 to −50‰ and is not a clear indicator of photosynthetic pathway as in terrestrial plants. Several factors affect δ13C of aquatic plant matter. These include: (1) The δ13C signature of the source carbon has been observed to range from +1‰...
Flooding mortality and habitat renewal for least terns and piping plovers
John G. Sidle, D.E. Carlson, E.M. Kirsch, J.J. Dinan
1992, Colonial Waterbirds (15) 132-136
We observed extensive mortality (eggs and chicks) of the endangered interior population of the Least Tern (Sterna antillarum) and threatened Piping Plover (Charadrius melodus) caused by natural flooding during the 1990 breeding season along the Platte River, Nebraska USA. Aerial videography of the Platte River before and after the flood...
Survey of non-charter boat recreational fishing in the U.S. Virgin Islands
Cecil A. Jennings
1992, Bulletin of Marine Science (50) 342-351
A telephone survey was conducted by the U.S. Virgin Islands Division of Fish and Wildlife from July- September 1986 to evaluate the efficacy of telephone surveys as a sampling technique for obtaining reliable fisheries data, and to collect fisheries data for the recreational non-charter boat fishery around the Virgin...
Bluegill growth as modified by plant density: an exploration of underlying mechanisms
Jacqueline F. Savino, Elizabeth A. Marschall, Roy A. Stein
1992, Oecologia (89) 153-160
Bluegill (Lepomis macrochira) growth varies inconsistently with plant density. In laboratory and field experiments, we explored mechanisms underlying bluegill growth as a function of plant and invertebrate density. In the laboratory, bluegills captured more chironomids (Chironomus riparius) than damselflies (Enallagma spp. and Ischnura spp.), but energy intake per...
Cross-boundary issues for National Parks: What works "on the ground."
M. Buechner, C. Schonewald-Cox, R. Sauvajot, B. Wilcox
1992, Environmental Management (16) 799-809
In recent years, cross-boundary management has become an essential part of park management. In this article we compare the perspectives of managers of several US national parks to the advice on this issue presented in the published literature. Data were obtained from interviews of the superintendents,...
Assessment of sediment contamination at Great Lakes Areas of Concern: the ARCS Program Toxicity-Chemistry Work Group strategy
P.E. Ross, G.A. Burton Jr., E.A. Crecelius, J. C. Filkins, J. P. Giesy, C.G. Ingersoll, P.F. Landrum, M. J. Mac, T. J. Murphy, J. E. Rathbun, V. E. Smith, H. E. Tatem, R.W. Taylor
1992, Journal of Aquatic Ecosystem Health (1) 193-200
In response to a mandate in Section 118(c)(3) of the Water Quality Act of 1987, a program called Assessment and Remediation of Contaminated Sediments (ARCS) was established. Four technical work groups were formed. This paper details the research strategy of the Toxicity-Chemistry Work Group.The Work Group's general objectives...
The use of tumors in wild populations of fish to assess ecosystem health
Paul C. Baumann
1992, Journal of Aquatic Ecosystem Health (1) 135-146
Evidence has linked toxicants in aquatic systems with cancer in fish and population level effects on species. Thus some types of tumors may be useful monitors of ecosystem health, at least as affected by genotoxins and promoters. However, tumors caused by purely genetic mechanisms or by virus would not be...
Functional response and capture timing in an individual-based model: predation by northern squawfish (Ptychocheilus oregonensis) on juvenile salmonids in the Columbia River
James H. Petersen, Donald L. DeAngelis
1992, Canadian Journal of Fisheries and Aquatic Sciences (49) 2551-2565
The behavior of individual northern squawfish (Ptychocheilus oregonensis) preying on juvenile salmonids was modeled to address questions about capture rate and the timing of prey captures (random versus contagious). Prey density, predator weight, prey weight, temperature, and diel feeding pattern were first incorporated into predation equations analogous to Holling Type...
