The Jupiter system through the eyes of Voyager 1
B.A. Smith, L.A. Soderblom, T. V. Johnson, A.P. Ingersoll, S.A. Collins, E.M. Shoemaker, G.E. Hunt, H. Masursky, M. H. Carr, M. E. Davies, A.F. Cook II, J. Boyce, G. E. Danielson, Tobias Owen, C. Sagan, R.F. Beebe, J. Veverka, R.G. Strom, J.F. McCauley, D. Morrison, G.A. Briggs, V.E. Suomi
1979, Science (204) 951-972
The cameras aboard Voyager 1 have provided a closeup view of the Jupiter system, revealing heretofore unknown characteristics and phenomena associated with the planet's atmosphere and the surfaces of its five major satellites. On Jupiter itself, atmospheric motions—the interaction of cloud systems—display complex vorticity. On its dark side,...
A late Wisconsinan ice readvance near Manchester, New Hampshire
Byron D. Stone, Carl Koteff
1979, American Journal of Science (279) 590-601
No abstract available....
Alterations in rainbow trout liver function and body fluids following treatment with carbon tetrachloride or monochlorobenzene
L.J. Weber, W.H. Gingerich, K.F. Pfeifer
M. A. Q. Khan, J.J. Lech, J.J. Menn, editor(s)
1979, Book chapter, Pesticide and xenobiotic metabolism in aquatic organisms
Abstract not submitted to date...
Late Wisconsinan sea levels on the Southeast U.S. Atlantic shelf based on in-place shoreline indicators
B. W. Blackwelder, O. H. Pilkey, J.D. Howard
1979, Science (204) 618-620
A new interpretation of late Pleistocene sea levels on the U.S. Atlantic continental shelf is based on in-place lagoonal and salt-marsh sediments obtained from vibra-cores. These data show sea levels during the last Wisconsinan transgression were about 30 meters shallower than is indicated by existing sea-level curves....
The determination of snow avalanche frequency through tree-ring analysis and historical records at Ophir, Colorado
Paul E. Carrara
1979, GSA Bulletin (90) 773-780
Tree-ring analysis can be a reliable method of determining past snow avalanche events when good historical records are lacking. Characteristic features in the tree-ring record indicative of disturbance include: (1) the occurrence of reaction wood, (2) abrupt changes in growth rate, (3) age of scars caused by avalanche impact, (4)...
Abnormal P-wave delays in The Geysers-Clear Lake Geothermal area, California
H. M. Iyer, D. H. Oppenheimer, T. Hitchcock
1979, Science (204) 495-497
Large teleseismic delays, exceeding 1 second, are found near Mount Hannah in the Clear Lake volcanic field and in the steam-production area at The Geysers. The delays are superimposed on a general delay field of about 0.5 second extending over the volcanic rocks and the steam reservoir....
A stratified-cluster sampling procedure applied to a wildland vegetation inventory using remote sensing
W. G. Rohde, W. A. Miller, K. G. Bonner, E. Hertz, M. F. Engel
1979, Conference Paper, Proceedings of the 13th International Symposium on Remote Sensing of Environment
No abstract available....
Forest stand classification in western Washington using Landsat and computer-based resource data
G. R. Johnson, E. W. Barthmaier, T. W. D. Gregg, R. E. Aulds
1979, Conference Paper, Proceedings of the 13th International Symposium on Remote Sensing of Environment
No abstract available....
Monitoring of subsurface injection of wastes, Florida
John Vecchioli
1979, Groundwater (17) 244-249
Injection of waste liquids into Florida's subsurface is physically feasible in many places but should be accompanied by monitoring of the waste-receiving aquifer system in addition to the injection facility. Monitoring of the interaction of factors including hydrogeologic conditions, well construction, waste volumes and characteristics, and potable-water sources is desirable...
Marine magnetic anomalies
Richard J. Blakely, S.C. Cande
1979, Reviews of Geophysics (17) 204-214
Marine magnetic data have been available for many years from all of the world's oceans, and their contribution to marine geophysics and geology is profound. These data, for example, have allowed charting the age of the ocean floor, reconstruction of the geologic history of the major ocean basins, development of...
Spectra of altered rocks in the visible and near infrared
G.R. Hunt, Roger P. Ashley
1979, Economic Geology (74) 1613-1629
Visible and near-infrared (0.35 to 2.5 mu m) bidirectional reflection spectra were recorded for a suite of well-characterized hydrothermally altered rock samples. The spectra typically display well-defined bands caused by both electronic and vibrational processes in the individual mineral constituents.Electronic transitions in the iron-bearing constituent minerals produce diagnostic minima near...
The PHABSIM system for instream flow studies
Robert T. Milhous
1979, Book, Proceedings: 1979 Summer Computer Simulation Conference
No abstract available....
The Moon: Sources of the crustal magnetic anomalies
L. L. Hood, P.J. Coleman Jr., D.E. Wilhelms
1979, Science (204) 53-57
Previously unmapped Apollo 16 subsatellite magnetometer data collected at low altitudes over the lunar near side are presented. Medium-amplitude magnetic anomalies exist over the Fra Mauro and Cayley Formations (primary and secondary basin ejecta emplaced 3.8 to 4.0 billion years ago) but are nearly absent over the...
Origins and early years of the U.S. Geological Survey
1979, Earthquake Information Bulletin (USGS) (11) 40-46
The U.S. Geological Survey was established on March 3, 1879, in the closing hours of the final session of the 45th Congress. The bill appropriating the money for sundry civil expenses of the Government during fiscal year 1880 was signed by President Rutherford B. Hayes. Included in the bill was...
Endolith microborings and their preservation in Holocene-Pleistocene (Bahama-Florida) ooids
Paul M. Harris, Robert B. Halley, Karen J. Lukas
1979, Geology (7) 216-220
Holocene ooids from Joulters Ooid Shoal (Bahamas) are bored in various ways by blue-green algae that groove along the grain surface, reside just beneath the grain surface, and tunnel extensively a few tens of microns within the grain. The microborings, morphologically distinctive, are documented with scanning electron micrographs of open...
Weights of lesser snow geese taken on their winter range
Edward L. Flickinger, E.G. Bolen
1979, Journal of Wildlife Management (43) 531-533
Geese are assumed to accumulate fat on the winter range (Bent 1962, Williams 1967) to sustain them through the long northward migration and early part of the nesting season. However, there are no weights given in the literature of lesser snow geese (Anser c. caerulescens) on their winter ranges to...
Habitat evaluation
1979, Water Spectrum (11) 26-34
Ours has been a nation of rapid growth and development; our abundant water and other natural resources were quickly utilized to meet the needs of our expansion. Resources perceived to be “important” to the national interest were often exploited at the expense of others. Fish and wildlife, because of their...
The composite dynamic method as evidence for age-specific waterfowl mortality
Kenneth P. Burnham, David R. Anderson
1979, Journal of Wildlife Management (43) 356-366
For the past 25 years estimation of mortality rates for waterfowl has been based almost entirely on the composite dynamic life table. We examined the specific assumptions for this method and derived a valid goodness of fit test. We performed this test on 45 data sets representing a...
Characterization of EV-2, a virus isolated from European eels (Anguilla anguilla) with stomatopapilloma
T. Nagabayashi, K. Wolf
1979, Journal of Virology (30) 358-364
A virus designated EV-2 has been isolated from external tumor tissue and internal organs of European eels (Anguilla anguilla) with stomatopapilloma. It contains RNA and is ether, acid, and temperature labile above 4°C, and concentrated preparations agglutinate chicken and sheep erythrocytes. The addition of actinomycin D during the first 2.75...
Use of prairie pothole habitat by breeding mallards
T.J. Dwyer, Gary L. Krapu, D.M. Janke
1979, Journal of Wildlife Management (43) 526-531
Detailed information on the use by mallards (Anas platyrhynchos) of prairie pothole habitat during the nesting season is necessary to interpret habitat needs of the species during the breeding period. Many data have been collected and published relating pair counts to habitat use and water conditions (e.g., Evans and Black...
Age determination of mallards
Gary L. Krapu, Douglas H. Johnson, C.W. Dane
1979, Journal of Wildlife Management (43) 384-393
A technique for distinguishing adult from yearling wild mallards (Anas platyrhynchos), from late winter through the nesting season, was developed by applying discriminant analysis procedures to selected wing feather characters of 126 yearlings and 76 adults (2-year-olds) hand-reared from wild eggs during 1974, 1975, and 1977. Average values for feather...
Alcoholic fermentation in swamp and upland populations of Nyssa sylvatica: Temporal changes in adaptive strategy
Jon E. Keeley, E. H. Franz
1979, American Naturalist (113) 587-592
Both the upland and swamp varieties of Nyssa sylvatica respond initially to flooding with an acceleration of ethanol production. Under continued flooding the roots of the upland variety sylvatica have decreased rates of ethanol production, very likely a result of the progressively worsening necrosis of the root system. Few of...
Variable porosity in siliceous skeletons: Determination and importance
D.C. Hurd, C. Wenkam, H.S. Pankratz, J. Fugate
1979, Science (203) 1340-1343
Gas adsorption data were used to obtain the specific surface area and specific pore volume for a variety of biogenically precipitated silica samples. The results suggest that this material is finely divided and porous. This interpretation was corroborated by the use of transmission electron microscopy at magnifications...
Regional evaluation of wildlife habitat quality using rapid assessment methodologies
D.A. Asherin, H.L. Short, J. E. Roelle
1979, Book, Transactions of the forty-fourth North American Wildlife and Natural Resources Conference
No abstract available....
Altitude-age relationships of the lunar maria
Baerbel K. Lucchitta, J. M. Boyce
1979, Conference Paper
Altitudes and relative ages of mare surface units were compared to test if a systematic correlation in height of lava eruption surfaces and age might reflect a corresponding increase in depth of the magma chamber with time; in addition the altitudes were studied to shed light on the time and...
