Breeding canvasbacks: a test of a habitat model
Douglas H. Johnson, M.C. Hammond, T. L. McDonald, C.L. Nustad
1989, Prairie Naturalist (21) 193-202
Schroeder (1984) proposed a habitat suitability model for breeding canvasbacks (Aythya valisineria) based on the size, water regime, and emergent vegetation of wetlands. We evaluated the model with data from surveys of canvasbacks on 2265 wetlands in North Dakota, South Dakota, and Minnesota. The model proved inadequate as a predictor...
Assessment of geothermal resources at Newcastle, Utah
Robert E. Blackett, Michael A. Shubat, David S. Chapman, Craig B. Forster, Charles M. Schlinger
1989, Conference Paper, Transactions - Geothermal Resources Council
Integrated geology, geophysics, and geochemistry studies in the Newcastle area of southwest Utah are used to develop a conceptual geologic model of a blind, moderate-temperature hydrothermal system. Studies using 12 existing and 12 new, thermal gradient test holes, in addition to geologic mapping, gravity surveys, and other investigations have helped...
Presumed drowning of Aleutian Canada geese on the Pacific coast of California and Oregon
Paul F. Springer, Roy W. Lowe, Richard K. Stroud, Patricia A. Gullett
1989, Journal of Wildlife Diseases (25) 276-279
Carcasses of 42 and 17 Aleutian Canada geese (Branta canadensis leucopareia), a federally listed endangered species, were found on ocean beaches near Crescent City, California, and near Pacific City, Oregon, respectively, following severe storms. Necropsies and other information suggest that the birds were flushed during the storms and somehow entered...
Breeding bird census: 1988 - Kentucky bluegrass prairie: mixed prairie I-V
Douglas H. Johnson
1989, Journal of Field Ornithology (60) 58-60
Abstract has not been submitted...
Simulation of precipitation by weather-type analysis
G. J. McCabe Jr., L.E. Hay, L.S. Kalkstein, M. A. Ayers, D.M. Wolock
1989, Conference Paper
A new approach that uses weather-type analysis as a basis for stochastic precipitation modeling was developed and tested for Philadelphia, Pennsylvania. The weather types permit the identification of weather conditions associated with varying frequencies, intensities, and amounts of precipitation. Weather-type frequencies were used to stochastically simulate precipitation for Philadelphia and...
Swift snowmelt and floods (lahars) caused by great pyroclastic surge at Mount St Helens volcano, Washington, 18 May 1980
R. B. Waitt
1989, Bulletin of Volcanology (52) 138-157
The initial explosions at Mount St. Helens, Washington, on the moring of 18 May 1980 developed into a huge pyroclastic surge that generated catastrophic floods off the east and west flanks of the volcano. Near-source surge deposits on the east and west were lithic, sorted, lacking in accretionary lapilli and...
Significance of loessite in the Maroon Formation (Middle Pennsylvanian to Lower Permian), Eagle Basin, northwest Colorado
S. Y. Johnson
1989, Journal of Sedimentary Petrology (59) 782-791
Quaternary loess deposits are widespread on the earth's surface, yet pre-Quaternary loess deposits have rarely been reported. The Maroon Formation (Middle Pennsylvanian to Lower Permian) of the Eagle Basin, northwest Colorado, includes a siltstone-dominated facies interpreted as loessite (lithified loess) along its downwind...
Late Quaternary paleolimnology of Walker Lake, Nevada
Bradbury J. Platt, R. M. Forester, R.S. Thompson
1989, Journal of Paleolimnology (1) 249-267
Diatoms, crustaceans, and pollen from sediment cores, in conjunction with dated shoreline tufas provide evidence for lake level and environmental fluctuations of Walker Lake in the late Quaternary. Large and rapid changes of lake chemistry and level apparently resulted from variations in the course and discharge of the Walker River....
Igneous history of the Koyukuk terrane, western Alaska: Constraints on the origin, evolution, and ultimate collision of an accreted island arc terrane
S. E. Box, W. W. Patton Jr.
1989, Journal of Geophysical Research Solid Earth (94) 15843-15867
The Koyukuk terrane of western Alaska consists of volcanic, volcaniclastic, and plutonic rocks which range from Late Paleozoic to Early Cretaceous in age. The terrane crops out in a U-shaped belt which is roughly paralleled by outer belts of ultramafic rocks, oceanic plate basalts and cherts, and retrograded blueschist facies...
Hydrologic effects on water level changes associated with episodic fault creep near Parkfield, California
E.A. Roeloffs, S.S. Burford, F. S. Riley, A.W. Records
1989, Journal of Geophysical Research Solid Earth (94) 12387-12402
As part of the Parkfield, California, earthquake prediction experiment, water level is monitored in a well 460 m from the main trace of the San Andreas fault on Middle Mountain, in the preparation zone of the anticipated Parkfield earthquake. The well configuration allows water level to be monitored in two...
California's potential volcanic hazards
P. Jorgenson
1989, Earthquakes & Volcanoes (USGS) (21) 96-100
This is a summary of "Potential Hazards from Future Volcanic Eruptions in California' (USGS Bulletin No. 1847: price $4.75). The chief areas of danger are Lassen Peak, Mount Shasta and Medicine Lake Highland in the north; Clear Lake, Mono Lake and Long Valley in the centre; and Owen's River-Death Valley,...
Artificial recharge to the Floridan aquifer system, Orlando Area, Central Florida
E. R. German, L. A. Bradner
1989, Conference Paper
Approximately 400 drainage wells exist in Orange County, central Florida. The rate of recharge through drainage wells is limited by the rate of surface flow to the wells; the hydraulic properties of weirs, overflow pipes, and well casings; or the water level above the top of the casing. The rate...
Reinterpretation of lower Mesozoic rocks on the Chilkat Peninsula, Alaska, as a displaced fragment of Wrangellia
George Plafker, C.D. Blome, Norman J. Silberling
1989, Geology (17) 3-6
The southern Chilkat Peninsula is underlain by low-grade metamorphic rocks consisting of a thick unit of greenstone, in part of Carnian age, that is locally overlain by an attenuated section of calcareous sedimentary rocks and chart of latest Carnian to late Norian age...
Synthesis, spectral, and redox properties of three triply bridged complexes of ruthenium
A. Llobet, M.E. Curry, H. T. Evans, T.J. Meyer
1989, Inorganic Chemistry (28) 3131-3137
No abstract available....
A 107-year-old coral from Florida Bay: barometer of natural and man- induced catastrophes?
J.H. Hudson, G.V.N. Powell, M. B. Robblee, T. J. Smith III
1989, Bulletin of Marine Science (44) 283-291
The 107-yr growth history of a massive coral Solenastrea bournoni from Florida Bay was reconstructed with X-ray imagery from a single 4 in. diameter (10 cm) core that penetrated the exact epicenter of the 95.3 cm high colony. Growth increments totalled 952.9 mm, averaging 8.9 mm/yr over the life of...
Seasonal reproductive development of Lampsilis cardium, Amblema plicata plicata, and Potamilus alatus
L. E. Holland Bartels, T. W. Kammer
1989, Journal of Freshwater Ecology (5) 87-92
Adult specimens of three species of freshwater mussels common to the upper Mississippi River were examined histologically to determine seasonal patterns of development in gametogenesis and release of glochidia. Full maturation of gonadal materials in Lampsilis cardium (formerly L. ovata ventricosa), a long-term breeder, occurred when ambient river temperatures...
Brain cholinesterase activity of nestling great egrets snowy egrets and black-crowned night-herons
T. W. Custer, H. M. Ohlendorf
1989, Journal of Wildlife Diseases (25) 359-363
Inhibition of brain cholinesterase (ChE) activity in birds is often used to diagnose exposure or death from organophosphorus or carbamate pesticides. Brain ChE activity in the young of altricial species increases with age; however, this relationship has only been demonstrated in the European starling (Sturnus vulgaris). Brain ChE activity of...
Publications of the U.S. Geological Survey, 1988
Water Resources Division, U.S. Geological Survey
1989, Report
This catalog is a list of (1) books and maps that were published during 1988, and (2) articles by Geological Survey personnel in non-Geological Survey journals and books that came to our attention in 1988; it supplements the permanent catalogs "Publications of the Geological Survey, 1879-1961", "Publications of the Geological...
Thermal infrared (2.5-13.5 μm) spectroscopic remote sensing of igneous rock types on particulate planetary surfaces
John W. Salisbury, Louis S. Walter
1989, Journal of Geophysical Research (94) 9192-9202
Fundamental molecular vibration bands are significantly diminished by scattering. Thus such bands in spectra of fine particulate regoliths (i.e., dominated by <5-μm particles), or regoliths displaying a similar scale of porosity, are difficult to use for mineralogical or rock type identification. Consequently, other spectral features have been sought that may...
A high-resolution seismic reflection/refraction study of the Chugach-Peninsular terrane boundary, southern Alaska
T.M. Brocher, M. A. Fisher, E.L. Geist, N.I. Christensen
1989, Journal of Geophysical Research Solid Earth (94) 4441-4455
We present results from a high-resolution seismic refraction analysis of the shallow (approximately 2 km) crustal structure along the 107-km-long Trans-Alaska Crustal Transect Chugach reflection line in southern Alaska and a comparison with laboratory measurements of field samples. The refraction analysis includes the two-dimensional interpretation of several thousand first- and...
Preliminary map of upper Eocene to Holocene volcanic and related rocks of the Cascade Range, Oregon
David R. Sherrod, James G. Smith
1989, Open-File Report 89-14
Since 1979 the Geothermal Research Program of the U.S. Geological Survey has carried out multidisciplinary research in the Cascade Range. The goal of this research is to understand the geology, tectonics, and hydrology of the Cascades in order to characterize and quantify geothermal resource potential. A major goal of the...
Reversed-phase thin-layer chromatography of homologs of Antimycin-A and related derivatives
Sharon L. Abidi
1989, Journal of Chromatography (464) 453-458
Using a reversed-phase high-performance liquid chromatographic (HPLC) technique, a mixture of antimycins A was separated into eight hitherto unreported subcomponents, Ala, Alb, A2a, A2b, A3a, A3b, A4a, and A4b. Although a base-line resolution of the known four major antimycins Al, A2, A3, and A4 was readily achieved with mobile phases...
Subsurface temperatures and geothermal gradients on the North Slope, Alaska
Timothy S. Collett, Kenneth J. Bird, Leslie B. Magoon
1989, Society of Petroleum Engineers of AIME, (Paper) SPE
Geothermal gradients as interpreted from a series of high-resolution stabilized well-bore-temperature surveys from 46 North Slope, Alaska, wells vary laterally and vertically throughout the near-surface sediment (0-2,000 m). The data from these surveys have been used in conjunction with depths of ice-bearing permafrost, as interpreted from 102 well logs, to...
Notes on sedimentation activities calendar year 1988
U.S. Interagency Advisory Committee on Water Data- Subcommittee on Sedimentation
1989, Report
This report is a digest of information furnished by Federal agencies conducting sedimentation investigations. The decision to publish the report was made in 1946, from a proposal by the Chairman of the Federal Interagency River Basin Committee, Subcommittee on Ground Water. The subcommittee approved the proposal and agreed to issue...
ELISA-based segretation of adult spring Chinook salmon for control of bacterial kidney disease
S.L. Kaatari, D.D. Rockey, G.D. Weins, L.L. Gilkey, J. R. Winton, J. L. Bartholomew, J.M. Lehner-Fournier, R.L. Diehm
1989, Report
No abstract available...
