Nifurpirinol (Furanace: P-7138) related lesions on channel catfish Ictalurus punctatus (Rafinesque)
A.J. Mitchell, J.M. Grizzle, J.A. Plumb
1978, Journal of Fish Diseases (1) 115-121
Skin lesions developed on channel catfish, Ictalurus punctatus, exposed to 0-5 mg/1 Furanace for 4 or 14 days. Lesions developed 3 days after the 4-day exposure and on the eleventh day of the 14-day exposure. The lesions continued to develop after the fish were moved to untreated water. The lesions which...
Geology and ground water in Door County, Wisconsin, with emphasis on contamination potential in the Silurian dolomite
Marvin G. Sherrill
1978, Water Supply Paper 2047
Door County is in northeastern Wisconsin and is an area of 491 square miles. The county forms the main body of the peninsula between Green Bay and Lake Michigan. The land surface is an upland ridge controlled by the underlying bedrock. The west edge of the ridge forms an escarpment...
Impact of potential phosphate mining on the hydrology of Osceola National Forest, Florida
James A. Miller, G.H. Hughes, R. W. Hull, John Vecchioli, P. R. Seaber
1978, Water-Resources Investigations Report 78-6
Potentially exploitable phosphate deposits underlie part of Osceola National Forest, Fla. Hydrologic conditions in the forest are comparable with those in nearby Hamilton County, where phosphate mining and processing have been ongoing since 1965. Given similarity of operations, hydroloigc effects of mining in the forest are predicted. Flow of stream...
Hydrologic appraisal of the water resources of the Homer-Preble Valley, New York
William Buller
1978, Water-Resources Investigations Report 78-94
Water resources of Homer-Preble Valley, 1 to 2 miles wide and 9 miles long, in central New York, were appraised because the area is expected to undergo considerable residential development in the near future. The main source of water supply to the residents of the area is the glacial-outwash aquifer....
Prevention and treatment of Nitrite toxicity in juvenile steelhead trout (Salmo gairdneri)
Gary A. Wedemeyer, W. T. Yasutake
1978, Journal of the Fisheries Research Board of Canada (35) 822-827
The efficacy of mineral salts, pH, and tetramethylthianine (methylene blue) treatment in reducing the acute toxicity of nitrite to fingerling steelhead trout (Salmo gairdneri) was determined using a static bioassay system at 10 °C. The acute toxicity (96-h LC50) was reduced by a factor of about 24 for 5-g steelhead...
Survival of the salmonid viruses infectious hematopoietic necrosis (IHNV) and infectious pancreatic necrosis (IPNV) in ozonated, chlorinated, and Untreated waters
Gary A. Wedemeyer, Nancy C. Nelson, Cathy A. Smith
1978, Journal of the Fisheries Research Board of Canada (35) 875-879
Ozone and chlorine inactivation curves were determined in three water types at 10 °C for the fish pathogenic viruses infectious hematopoietic necrosis (IHNV) and infectious pancreatic necrosis (IPNV). In phosphate-buffered, distilled water (PBDW) an ozone dose of 0.01 mg/L for 30 or 60 s inactivated IHNV or IPNV, respectively, suspended at a...
Arsenic in streams, stream sediments, and ground water, Fairbanks area, Alaska
Frederic H. Wilson, D. B. Hawkins
1978, Environmental Geology (2) 195-202
Arsenic concentrations of less than 5 ppb to as large as 1,260 ppb in stream waters and from 5 ppm to 4,000 ppm in stream sediments were found in the Pedro Dome-Cleary Summit area, Alaska. Waters from three of 20 wells sampled had arsenic concentrations exceeding the U.S. Public Health...
Low-flow characteristics of streams in the Rock-Fox River basin, Wisconsin
B. K. Holmstrom
1978, Water-Resources Investigations Report 78-85
Low-flow characteristics of streams in the Rock-Fox River basin, Wis., include estimates of low-flow frequency ad flow duration at 13 gaging stations; low-flow frequency characteristics at 32 low-flow partial-record stations and 78 miscellaneous sites; and a list of base-flow discharge measurements at 244 miscellaneous sites. Equations are provided to estimate...
Effects of paved surfaces on recharge to the Floridan aquifer in east-central Florida: A conceptual model
C. H. Tibbals
1978, Water-Resources Investigations Report 78-76
The proportionate amount of surface area that can be paved in Floridan aquifer recharge areas in east-central Florida without reducing the net recharge to the Floridan aquifer is a function of many variables that include rainfall, depth to water table, depth to potentiometric surface of the Floridan, evaporation from paved...
Stability of fluoride complex with silica and its distribution in natural water systems
C. E. Roberson, R.B. Barnes
1978, Chemical Geology (21) 239-256
Fluoride reacts with silicic acid to form SiF2−6. A fluoride electrode was used to obtain an equilibrium constant of 1030.18 for the reaction:Si(OH)06+ 6F−+4H+=SiF2−6+ 4H2O">Si(OH)06+ 6F−+4H+=SiF2−6+ 4H2O at 25°CAlthough there may be some experimental evidence for...
The potential source of lead in the Permian Kupferschiefer bed of Europe and some selected Paleozoic mineral deposits in the Federal Republic of Germany
K.H. Wedepohl, M.H. Delevaux, B. R. Doe
1978, Contributions to Mineralogy and Petrology (65) 273-281
New lead isotopic compositions have been measured for Paleozoic bedded and vein ore deposits of Europe by the high precision thermal emission (triple filament) technique. Eleven samples have been analyzed from the Upper Permian Kupferschiefer bed with representatives from Poland to England, three samples from the Middle Devonian Rammelsberg deposit...
A pollution history of Chesapeake Bay
E.D. Goldberg, V. Hodge, M. Koide, J. Griffin, E. Gamble, O.P. Bricker, G. Matisoff, G.R. Holdren Jr., R. Braun
1978, Geochimica et Cosmochimica Acta (42) 1413-1425
Present day anthropogenic fluxes of some heavy metals to central Chesapeake Bay appear to be intermediate to those of the southern California coastal region and those of Narragansett Bay. The natural fluxes, however, are in general higher. On the bases of Pb-210 and Pu-239 + 240 geochronologies and of the...
Possible fossil H2O liquid-ice interfaces in the Martian crust
L.A. Soderblom, D. B. Wenner
1978, Icarus (34) 622-637
Throughout the northern equatorial region of Mars, extensive areas have been uniformly stripped, roughly to a constant depth. These terrains vary widely in their relative ages. A model is described here to explain this phenomenon as reflecting the vertical distribution of H2O liquid and ice in the crust. Under present...
Methods for regional assessment of geothermal resources
P. Muffler, R. Cataldi
1978, Geothermics (7) 53-89
A consistent, agreed-upon terminology is prerequisite for geothermal resource assessment. Accordingly, we propose a logical, sequential subdivision of the "geothermal resource base", accepting its definition as all the thermal energy in the earth's crust under a given area, measured from mean annual temperature. That part of the resource base which...
Prediction of capacity factors for aqueous organic solutes adsorbed on a porous acrylic resin
E.M. Thurman, Ronald L. Malcolm, G. R. Aiken
1978, Analytical Chemistry (50) 775-779
The capacity factors of 20 aromatic, allphatic, and allcycllc organic solutes with carboxyl, hydroxyl, amine, and methyl functional groups were determined on Amberlite XAD-8, a porous acrylic resin. The logarithm of the capacity factor, k', correlated inversely with the logarithm of the aqueous molar solubility with significance of less than...
The solubility of the noble gases He, Ne, Ar, Kr, and Xe in water up to the critical point
R.W. Potter II, M.A. Clynne
1978, Journal of Solution Chemistry (7) 837-844
The solubility of the noble gases Ar, He, Ne, Kr, and Xe in pure water was measured from 298 to 561??K. These data in turn were extrapolated to the critical point of water, thus providing a complete set of Henry's law constants from 274 to 647??K when combined with the...
Determination of dissolved boron in fresh, estuarine, and geothermal waters by d.c. argon-plasma emission spectrometry
J.W. Ball, J. M. Thompson, Everett A. Jenne
1978, Analytica Chimica Acta (98) 67-75
A d.c. argon-plasma emission spectrometer is used to determine dissolved boron in natural (fresh and estuarine) water samples. Concentrations ranged from 0.02 to 250 mg l-1. The emission—concentration function is linear from 0.02 to 1000 mg l-1. Achievement of a relative standard deviation of ⩽ 3% requires frequent restandardization to...
Correction of ground-water chemistry and carbon isotopic composition for effects of CO2 outgassing
F. J. Pearson Jr., D.W. Fisher, Niel Plummer
1978, Geochimica et Cosmochimica Acta (42) 1799-1807
Direct Pco2">Pco2 measurements on water samples from several CO2-charged warm springs are significantly higher than Pco2">Pco2 values calculated from field pH and alkalinity (and other constituents). In addition, calcite saturation indices calculated from field pH and solution composition indicated supersaturation...
Vesicularity of basalt erupted at Reykjanes Ridge crest
W. A. Duffield
1978, Nature (274) 217-220
Average vesicularity of basalt drilled at three sites on the west flank of the Reykjanes Ridge increases with decreasing age. This change apparently records concomitant decrease in water depth at the ridge crest where the basalt was erupted and suggests substantial upward growth of the crest during the past 35...
Gases and water isotopes in a geochemical section across the Larderello, Italy, geothermal field
A.H. Truesdell, N.L. Nehring
1978, Pure and Applied Geophysics PAGEOPH (117) 276-289
Steam samples from six wells (Colombaia, Pineta, Larderello 57, Larderello 155, Gabbro 6, and Gabbro 1) in a south to north section across the Larderello geothermal field have been analyzed for inorganic and hydrocarbon gases and for oxygen-18 and deuterium of steam. The wells generally decrease in depth and increase...
Empirical model of Skeletonema costatum photosynthetic rate, with applications in the San Francisco Bay estuary
James E. Cloern
1978, Advances in Water Resources (1) 267-274
An empirical model of Skeletonema costatum photosynthetic rate is developed and fit to measurements of photosynthesis selected from the literature. Because the model acknowledges existence of: 1) a light-temperature interaction (by allowing optimum irradiance to vary with temperature), 2) light inhibition, 3) temperature inhibition, and 4) a salinity effect, it accurately estimates...
Uranium-isotope variations in groundwaters of the Floridan aquifer and Boulder Zone of south Florida
J.B. Cowart, M. I. Kaufman, J.K. Osmond
1978, Journal of Hydrology (36) 161-172
Water samples from four wells from the main Floridan aquifer (300-400 m below mean sea level) in southeast Florida exhibit 234U 233U activity ratios that are significantly lower than the secular equilibrium value of 1.00. Such anomalous values have been observed previously only in waters from sedimentary aquifers in the...
Lower Tertiary laterite on the Iceland-Faeroe Ridge and the Thulean land bridge
T. H. Nilsen
1978, Nature (274) 786-788
CORES of a lower Tertiary lateritic palaeosol resting on basalt were recovered1 from Deep Sea Drilling Project Site 336 (Leg 38) on the north-east flank of the Iceland-Faeroe Ridge (Fig. 1), a major aseismic oceanic ridge that, together with Iceland, forms the Icelandic transverse ridge 2. The transverse ridge extends...
Minerals produced during cooling and hydrothermal alteration of ash flow tuff from Yellowstone drill hole Y-5
T. E. C. Keith, L.J.P. Muffler
1978, Journal of Volcanology and Geothermal Research (3) 373-402
A rhyolitic ash-flow tuff in a hydrothermally active area within the Yellowstone caldera was drilled in 1967, and cores were studied to determine the nature and distribution of primary and secondary mineral phases. The rocks have undergone a complex history of crystallization and hydrothermal alteration since their emplacement 600,000 years...
Correlation between the silica concentration and the orifice temperature in the warm springs along the jordan-dead sea rift valley
D. Levitte, Y. Eckstein
1978, Geothermics (7) 1-8
Analysis of twenty-one thermal springs emerging along the Jordan-Dead Sea Rift Valley in Israel indicates a very good correlation between the concentration of dissolved silica and the temperature of the spring orifice. Dissolution of quartz was identified as the apparent source of the silica in the water. Application of the...