The significance of observations at active volcanoes; A review and annotated bibliography of studies at Kilauea and Mount St. Helens
Thomas L. Wright, Don Swanson
1987, Geochemical Society Special Publication (1) 231-240
Study of active volcanoes yields information of much broader significance than to only the discipline of volcanology. Some applications are 1) interpretation of lava-flow structures, stratigraphic complexities, and petrologic relations in older volcanic units; 2) interpretation of bulk properties of the mantle and constraints on partial melting and deep magma...
Geomorphic and hydrologic dynamics of zero-order basins
Richard M. Iverson
1987, Eos, Transactions, American Geophysical Union (68) 1808-1808
The 1987 International Symposium on Erosion and Sedimentation in the Pacific Rim, held August 3–7, 1987, in Corvallis, Oreg., included a special session on the geomorphic and hydrologic dynamics of zero-order drainage basins. “Zero-order basin” is one of several terms used to describe unchanneled swales or hollows...
Hawaii Volcano Observatory 75th anniversary
Thomas L. Wright, R. Decker
1987, Eos, Transactions, American Geophysical Union (68) 570-570
The 75th anniversary of the founding of the U.S. Geological Survey (USGS) Hawaiian Volcano Observatory (HVO) was celebrated during January 1987. The festivities began on January 9 with the opening in Hilo of a major exhibit at the Wailoa Center on the current work of HVO, its history, and its...
Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico
James E. Fassett, S. G. Lucas, F.M. O’Neill
1987, GSA Special Papers (209) 17-34
The Ojo Alamo Sandstone of the San Juan Basin of New Mexico is composed of interbedded conglomeratic sandstone, sandstone, siltstone, and mudstone. Conglomerates are found in the western part of the basin; siliceous pebbles diminish in size both southward and eastward across the basin, becoming rare to nonexistent in the...
The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado
James E. Fassett
1987, GSA Special Papers (209) 5-16
The Kirtland Shale or Fruitland Formation directly underlies the Cretaceous-Tertiary boundary throughout most of the San Juan Basin of northwest New Mexico and southwest Colorado. These formations have been known to be Late Cretaceous in age since the early 1900s. Now, with the greatly renewed interest in rocks adjacent to...
Effect of crustal layering upon dislocation modeling
James C. Savage
1987, Journal of Geophysical Research B: Solid Earth (92) 10595-10600
Slip distribution at depth on a fault may be inferred from the deformation observed on the surface. In inverting the surface deformation data to obtain the slip distribution, the Earth is generally approximated by an elastic half‐space. Slip distributions inferred from a half‐space model may contain artifacts, including zones of...
Yukon Flats National Wildlife Refuge land cover mapping project user's guide
Carl J. Markon
1987, Report
Title III of the Alaska National Interest Lands Conservation Act (ANILCA, 1980) established the Yukon Flats National Wildlife Refuge (YFNWR). Section 304 of the Act requires the Secretary of Interior to "prepare, and from time to time revise, a comprehensive conservation plan" for the refuge. Before developing a plan for...
Use of the bottomland hardwoods subset of the wetland values data base
Gregor T. Auble
1987, Report
This report documents a bibliographic data base concerning functions and values of bottomland hardwoods and similarly vegetated areas. This data base is being provided for a limited time (until September 30, 1988) as a supplement to the publication entitled "Synopsis of Wetland Functions and Values: Bottomland Hardwoods with Special Emphasis...
Anaerobic production of magnetite by a dissimilatory iron-reducing microorganism
Derek R. Lovley, J.F. Stolz, Gordon L. Nord Jr., Elizabeth J.P. Phillips
1987, Nature (330) 252-254
The potential contribution of microbial metabolism to the magnetization of sediments has only recently been recognized. In the presence of oxygen, magnetotactic bacteria can form intracellular chains of magnetite while using oxygen or nitrate as the terminal electron acceptor for metabolism1. The production of ultrafine-grained magnetite by magnetotactic bacteria in...
Real-time landslide warning during heavy rainfall
David K. Keefer, R. C. Wilson, R. K. Mark, E. E. Brabb, W. M. Brown III, S. D. Ellen, E. L. Harp, G. F. Wieczorek, C.S. Alger, R.S. Zatkin
1987, Science (238) 921-925
A real-time system for issuing warnings of landslides during major storms is being developed for the San Francisco Bay region, California. The system is based on empirical and theoretical relations between rainfall and landslide initiation, geologic determination of areas susceptible to landslides, real-time monitoring of a regional network of telemetering...
Effects of wetland channelization of storm runoff in Lambert Creek, Ramsey County, Minnesota
R. G. Brown
1987, Conference Paper, National Wetlands Symposium of Wetland Hydrology, Chicago, Illinois, September 16-18, 1987 [Proceedings]
No abstract available....
Selenium in aquatic organisms from subsurface agricultural drainage water, San Joaquin Valley, California
Michael K. Saiki, T. Peter Lowe
1987, Archives of Environmental Contamination and Toxicology (16) 657-670
Concentrations of total selenium were high in 1983 in water, sediment, organic detritus, aquatic plants and invertebrates, and mosquitofish (Gambusia affinis) from Kesterson Reservoir (San Joaquin Valley, California) and the San Luis Drain. Selenium concentrations in biota from the Reservoir and Drain (referred to here collectively as “Kesterson”)...
Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system
Norman B. Bliss, William U. Reybold
1987, Conference Paper, International Geographic Information Systems (IGIS) Symposium: The research agenda
No abstract available....
Laboratory investigation of longitudinal dispersion in anisotropic porous media
Stephen E. Silliman, Leonard F. Konikow, C.I. Voss
1987, Water Resources Research (23) 2145-2151
In this study, laboratory experiments were used to investigate mechanisms that may cause anisotropy in the dispersion coefficient and to investigate the relation between anisotropy in hydraulic conductivity and anisotropy in longitudinal dispersion. Measurements of sodium chloride concentration (used as a tracer) were made at 105 in situ sampling locations...
Minimum tailwater flows in relation to habitat suitability and sport-fish harvest
K.E. Jacobs, W.D. Swink, J.F. Novotny
1987, North American Journal of Fisheries Management (7) 569-574
The instream flow needs of four sport fishes (rainbow trout Salmo gairdneri, channel catfish Ictalurus punctatus, smallmouth bass Micropterus dolomieui, and white crappie Pomoxis annularis) were evaluated in the tailwater below Green River Lake, Kentucky. The Newcombe method, a simple procedure developed in British Columbia that is based on the...
Toxicity of TFM lampricide to early life stages of walleye
J.G. Seelye
1987, North American Journal of Fisheries Management (7) 598-601
We studied the effects of the lampricide 3-trifluoromethyl-4-nitrophenol (TFM) on gametes, newly fertilized eggs, eyed eggs, larvae, and swim-up fry of the walleye Stizostedion vitreum. When gametes from sexually mature walleyes were stripped into solutions of TFM, no effects were observed during the fertilization process at concentrations up to 3.0...
Geomys bursars burrowing patterns: influence of season and food patch structure
Douglas C. Andersen
1987, Ecology (68) 1306-1318
The relationship between belowground food resources and the pattern and pace of soil excavation by Geomys bursarius, the plains pocket gopher, was assessed during spring and autumn using replicated 18 x 18 m enclosures containing uniform arrays of food plants (Daucus carota) at spacings assumed to result in burrowing being...
Dinosaurs, spherules, and the “magic” layer: A new K-T boundary clay site in Wyoming
B.F. Bohor, Don M. Triplehorn, Douglas J. Nichols, Hugh T. Millard Jr.
1987, Geology (15) 896-899
A new Cretaceous-Tertiary (K-T) boundary clay site has been found along Dogie Creek in Wyoming in the drainage of Lance Creek—the type area of the Lance Formation of latest Cretaceous age. The boundary clay was discovered in the uppermost part of the Lance Formation, 4–7 cm beneath the lowest lignite...
Selective transport of hydrocarbons in the unsaturated zone due to aqueous and vapor phase partitioning
Arthur L. Baehr
1987, Water Resources Research (23) 1926-1938
Long-term groundwater contamination can result from vapors and solutes emanating from organic liquids spilled in the unsaturated zone. The mathematical modeling analysis presented in this paper demonstrates for gasoline-range hydrocarbons, and other volatile organics commonly spilled, that diffusive transport in the unsaturated zone is a significant transport mechanism which can...
Chemistry of hydrothermal solutions from the southern Juan de Fuca Ridge
Karen L. Von Damm, James L. Bischoff
1987, Journal of Geophysical Research B: Solid Earth (92) 11334-11346
Fluids from three vent fields on the southern Juan de Fuca Ridge were sampled in September 1984 using the DSRV Alvin. The fluids are uniquely high in both chloride, which ranges up to twice the seawater value, and in metal content. Simple vapor-liquid phase separation could not have produced both...
Morphometric variability within the axial zone of the southern Juan de Fuca Ridge: Interpretation from Sea MARC II, Sea MARC I, and deep-sea photography
Ellen S. Kappel, William R. Normark
1987, Journal of Geophysical Research B: Solid Earth (92) 11291-11302
The morphometric characteristics of the axial regions of oceanic spreading centers are determined by (1) the type of volcanic flows, (2) the relation between primary volcanic relief (on a scale of a few meters to tens of meters) and degree of sediment cover, and (3) the extent of surficial expression...
Microbial infections in a declining wild turkey population in Texas
Tonie E. Rocke, Thomas M. Yuill
1987, Journal of Wildlife Management (51) 778-782
A survey was conducted at 5 locations in Texas for avian pathogens that might adversely affect wild turkey (Meleagris gallopavo) productivity and survival. At 1 site, the Rob and Bessie Welder Wildlife Refuge (WWR), turkeys have declined precipitously in recent years. During the winters of 1983-85, 442 wild turkeys were...
A decoy trap for breeding-season mallards in North Dakota
David E. Sharp, John T. Lokemoen
1987, Journal of Wildlife Management (51) 711-715
A modified decoy trap was effective for capturing wild adult male and female mallards (Anas platyrhynchos) during the 1980-81 breeding seasons in North Dakota. Key features contributing to the trap's success included a central decoy cylinder, large capture compartments with spring-door openings, an adjustable trigger mechanism with a balanced door...
Effects of winter fasting and refeeding on white-tailed deer blood profiles
Glenn D. DelGiudice, L. David Mech, Ulysses S. Seal, Patrick D. Karns
1987, Journal of Wildlife Management (51) 865-873
This study examined the effects of dietary protein, fasting, and refeeding on blood characteristics of 9 nonpregnant, female white-tailed deer (Odocoileus virginianus) in captivity from 23 February to 3 May 1984. Percent weight loss was greater in fasted deer than in deer fed diets of 2 crude protein levels. Fasting...
Survival of young American alligators on a Florida lake
Allan R. Woodward, Tommy C. Hines, C.L. Abercrombie, James D. Nichols
1987, Journal of Wildlife Management (51) 931-937
A capture-recapture study was conducted on Orange Lake, Florida, from 1979 through 1984 to estimate survival rates of young in an American alligator (Alligator mississippiensis) populations. Hatchlings remained together in sibling groups (pods) for at least their 1st year and then began to disperse during their 2nd spring and summer....
