The Viking landing sites: Selection and certification
H. Masursky, N.L. Crabill
1976, Science (193) 809-812
During the past several years the Viking project developed plans to use Viking orbiter instruments and Earth-based radar to certify the suitability of the landing sites selected as the safest and most scientifically rewarding using Mariner 9 data. During June and July 1976, the Earth-based radar and...
Relocation of local earthquakes by seismic ray tracing
E.R. Engdahl, W.H.K. Lee
1976, Journal of Geophysical Research (81) 4400-4406
Seismic ray tracing is used to relocate a set of local earthquakes recorded by a dense seismic array in Bear Valley, California. The crustal velocity structure is two-dimensional and incorporates most of the known and inferred velocity differences in the region. Relocated hypocenters fall within the San Andreas fault zone,...
Determination of three‐dimensional velocity anomalies under a seismic array using first P arrival times from local earthquakes: 1. A homogeneous initial model
Keiiti Aki, W.H.K. Lee
1976, Journal of Geophysical Research (81) 4381-4399
Geiger's method of locating local earthquakes has been extended to include the effect of P velocity variation along the ray paths in three dimensions. The crustal structure was modeled by rectangular blocks, and a parameter was assigned to each block describing the perturbation of P wave slowness...
Monitoring arctic habitat and goose production by satellite imagery
H.M. Reeves, F.G. Cooch, R. E. Munro
1976, Journal of Wildlife Management (40) 532-541
Spacecraft imagery, especially from the National Atmospheric and Oceanic Administration's Improved TIROS (Television Infra-Red Observational Satellite) Operational Satellites, permits timely evaluations of snow and ice conditions encountered by arctic nesting geese. Imagery from the TIROS satellite for 5 wide]y scattered locations in arctic North America was obtained for three...
Simulation of forest changes related to hydrologic variables in the Atchafalaya River basin, Louisiana
M. E. Jennings, C. P. O’Neil
1976, Journal of Research of the U.S. Geological Survey (4) 481-489
Results of forest-trend modeling from one data set in the Atchafalaya River basin show that predicted forest acreage totals for 16 forest types agree within 30 percent of actual values in two-thirds of the comparisons. A forest-trend simulation model based on statistical regression relations of forest and hydrologic variables and...
Comparative membrane microviscosity of fish and mammalian rhabdoviruses studied by fluorescence depolarization
N.F. Moore, Y. Barenholz, P. E. McAllister, R.R. Wagner
1976, Journal of Virology (19) 275-278
The microviscosity of the hydrophobic region of the membrane of infectious hematopoietic necrosis virus was determined using fluorescence depolarization analysis of the probe 1,6-diphenyl-1,3,5-hexatriene and was found to be much lower at 37 C than that of another rhabdovirus, vesicular stomatitis virus. However, the microviscosity of this fish virus at...
Blood values of the canvasback duck by age, sex and season
R. M. Kocan, S.M. Pitts
1976, Journal of Wildlife Diseases (12) 341-346
Blood samples were obtained from canvasback ducklings from Manitoba and Saskatchewan and from immature and adult canvasbacks on the Mississippi River near LaCrosse, Wisconsin and the Chesapeake Bay. These samples were used to determine baseline data on red cell counts, hematocrit, total protein, glucose, cholesterol, hemaglobin and distribution of plasma...
Mathematical models for nonparametric inferences from line transect data
K.P. Burnham, David R. Anderson
1976, Biometrics (32) 325-336
A general mathematical theory of line transects is develoepd which supplies a framework for nonparametric density estimation based on either right angle or sighting distances. The probability of observing a point given its right angle distance (y) from the line is generalized to an arbitrary function g(y). Given only that...
Evaluation of LANDSAT-1 image applications to geologic mapping, structural analysis and mineral resource inventory of South America with special emphasis on the Andes Mountain region: Type III final report for period January 1973 to July 1974
William D. Carter
1976, Report
The author has identified the following significant results. The discovery of copper mineralization along a lineament mapped in Area 7 (La Paz) has lent credence to the use of LANDSAT 1 data as a basic step in mineral exploration. In Area 9 (Copiapo Region), a number of lineaments were found...
Intermediate-scale mapping
J. LeRoy Ward
1976, Journal of Research of the U.S. Geological Survey (4) 253-254
The U.S. Geological Survey has introduced an intermediate-scale map series (1:100,000 and 1:50,000) in response to the demand for maps at scales between the 1:24,000 and 1:250,000 standard series. The goal is to provide basic cartographic data at the level of detail and in the format selected by Federal, State,...
Effects of local geological conditions in the San Francisco Bay region on ground motions and the intensities of the 1906 earthquake
Roger D. Borcherdt, James F. Gibbs
1976, Bulletin of the Seismological Society of America (66) 467-500
Measurements of ground motion generated by nuclear explosions in Nevada have been completed for 99 locations in the San Francisco Bay region, California. The recordings show marked amplitude variations in the frequency band 0.25 to 3.0 Hz that are consistently related to the local geological conditions of the recording site....
Definitive X-ray powder data for covellite, anilite, djurleite, and chalcocite
Robert W. Potter II, Howard T. Evans Jr.
1976, Journal of Research of the U.S. Geological Survey (4) 205-212
By using the Guinier-Hägg focusing X-ray powder camera with CrKα1 and CuKα1 radiations, new powder data for covellite (CuS), anilite (Cu7S4, djurleite (Cu1.934S), and low chalcocite (Cu2S) have been obtained from synthetic and natural materials. The powder data were treated by least-squares analysis to obtain the best unit-cell parameters consistent...
The volumetric properties of H2O — A graphical portrayal
James R. Fisher
1976, Journal of Research of the U.S. Geological Survey (4) 189-193
A graphical display of the volumetric properties of H2O is presented as density (0.01 to 1.0 g-cm-3) contoured on pressure-temperature coordinates and pressure (1-10,000 bars) contoured on density-temperature coordinates over the temperature range 0-1,000 °C. Data were obtained from sources published during 1964-1969; several minor inconsistencies are observed and attributed...
Geochemistry of thermal waters in Long Valley, Mono County, California
Robert H. Mariner, Lawrence M. Willey
1976, Journal of Geophysical Research (81) 792-800
Thermal springs and wells in Long Valley, California, issue sodium bicarbonate‐chloride waters containing 1000–1420 mg/l of dissolved solids. Thermal waters of sodium bicarbonate‐chloride composition are usually associated with hot‐water reservoirs. Chloride concentrations and stable isotope data indicate that the thermal waters have had varied histories. All of the thermal springs...
Availability of Earth resources data
Water Resources Division, U.S. Geological Survey
1976, Report
The purpose of this booklet is to help the reader to become aware of the volume of Earth resources data that have been collected by agencies of the United States Government and to find out where and how these data may be obtained. Earth resources data as discussed here are...
Ground-water quality at the site of a proposed deep-well injection system for treated wastewater, West Palm Beach, Florida
William A. J. Pitt Jr., Frederick W. Meyer
1976, Open-File Report 76-91
The U.S. Geological Survey collected scientific and technical information before, during, and after construction of a deep test well at the location of a future regional waste-water treatment plant to be built for the city of West Palm Beach, Florida. Data from the test well will be used by the...
Geologic data from test drilling in Palm Beach County, Florida since 1970
James J. Schneider
1976, Open-File Report 76-713
Test hole data, in Palm Beach County, Florida, include lithologic logs from 66 test wells and geophysical logs from 54 test wells. The purpose of the study is to provide the geohydrologic information needed for water management and land use decisions, with emphasis on the urbanized eastern part of the...
Water resources data for Iowa, water year 1975
U.S. Geological Survey
1976, Report
No abstract available....
Lakes of Oregon, Volume 4: Clackamas County
M.V. Shulters
1976, Report
An inventory of lakes and reservoirs of Oregon is essential for a complete evaluation of the total surface-water supply of the State and to provide a basis for answering questions about Oregon's lakes. Much of the information on lakes and reservoirs previously collected by Federal and State agencies has never...
Coral reef recovery in Florida and the Persian Gulf
Eugene A. Shinn
1976, Environmental Geology (1) 241-254
Long-term observations and study of coral reef destruction by hurricanes in the Florida Keys show, surprisingly, that although corals are devastated on a grand scale during storms, recovery is rapid. Recovery occurs because of the widespread scattering of live fragments, many of which become growth sites...
National Cartographic Information Center (NCIC)
Water Resources Division, U.S. Geological Survey
1976, Report
The National Cartographic Information Center (NCIC), established by the U.S. Geological Survey, Department of the Interior, in July 1974, provides a national information service to make cartographic data of the United States more easily accessible to the public and to various Federal, State, and local agencies. At present, more than...
Access routes to the U.S. Geological Survey's EROS Data Center, Sioux Falls, South Dakota
Water Resources Division, U.S. Geological Survey
1976, Report
The EROS Data Center is a part of the Earth Resources Observation Systems (EROS) Program of the Department of the Interior, managed by the U.S. Geological Survey. It is the national center for the processing anddissemination of spacecraft and aircraft acquired photographic imagery and electronic data of the Earth's resources....
Computation of unsteady flows in rivers and estuaries by the method of characteristics
Chintu Lai, C. A. Onions
1976, Report
This report is a program documentation to the latest revision (1975) of the unsteady open-channel flow simulation model by the method of characteristics, Version 13 in the program series, which employs a multiple-reach scheme treating each subreach as a prismatic shape. A long waterway of variable cross section, properties and...
A reward band study of mallards to estimate band reporting rates
Charles J. Henny, K.P. Burnham
1976, Journal of Wildlife Management (40) 1-14
Reward bands ($10) were placed on 2,122 hatching-year mallards (Anas platyrhynchos), and an additional 11,490 received conventional bands (controls) to estimate band reporting rates. An analysis of band recoveries indicated that the reporting rate was dependent primarily upon three factors: (1) the distance banded birds were recovered from the banding...
Limnological data report for the Maine Department of Environmental Protection: U.S. Geological Survey cooperative lake studies project
Derrill J. Cowing, Matthew Scott
1976, Report
The report contains physical, chemical, and biological information collected on 43 Maine lakes during the 1975 calendar year. Methods for the collection and analysis of the hydrologic data are outlined.Physical characteristics listed include drainage area, surface area, surface elevation, volume, maximum depth, mean depth, epilimnion depth, epilimnion volume, and length...
