Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16727
Hydraulic conductivity of the streambed, east branch Grand Calumet River, northern Lake County, Indiana Hydraulic conductivity of the streambed, east branch Grand Calumet River, northern Lake County, Indiana
Horizontal and vertical hydraulic conductivity of the Streambed were estimated from results of hydraulic tests along four transects across the east branch Grand Calumet River in northern Lake County, Indiana. Tests were done in two types of temporary wells installed in the Streambed 2-inch-diameter wells that had a 1- or 2-foot length of wire-wrapped screen and 3-inch-diameter wells that...
Authors
R.F. Duwelius
Assessment of severity and distribution of corrosive ground water in Pennsylvania Assessment of severity and distribution of corrosive ground water in Pennsylvania
Relations between corrosive ground water, water chemistry, and geology in Pennsylvania were evaluated by use of a modified version of the Langelier Saturation Index (LSIsn) and a geologic contact dataset in a Geographic Information System. Water-chemistry information for water samples collected from 4,839 combined private and public-supply wells from 1900 to 1993 was used to calculate...
Authors
M. J. Langland, D.L. Dugas
Three-dimensional models of deformation near strike-slip faults Three-dimensional models of deformation near strike-slip faults
We use three-dimensional elastic models to help guide the kinematic interpretation of crustal deformation associated with strike-slip faults. Deformation of the brittle upper crust in the vicinity of strike-slip fault systems is modeled with the assumption that upper crustal deformation is driven by the relative plate motion in the upper mantle. The driving motion is represented by...
Authors
Uri S. ten Brink, Rafael Katzman, J. Lin
Gravity field over the Sea of Galilee: Evidence for a composite basin along a transform fault Gravity field over the Sea of Galilee: Evidence for a composite basin along a transform fault
The Sea of Galilee (Lake Kinneret) is located at the northern portion of the Kinneret-Bet Shean basin, in the northern Dead Sea transform. Three hundred kilometers of continuous marine gravity data were collected in the lake and integrated with land gravity data to a distance of more than 20 km around the lake. Analyses of the gravity data resulted in a free-air anomaly map, a variable...
Authors
Z. Ben-Avraham, Uri S. ten Brink, R. Bell, M. Reznikov
Hepatic neoplasms in wild common carp Hepatic neoplasms in wild common carp
Common carp Cyprinus carpio from West Point Lake, Georgia-Alabama, were sampled (N = 81) during fall 1991. Gross examination revealed single nodules in the livers of four fish; representative tissues from all sampled fish were preserved for histological examination. One of the four nodules was a hepatocellular adenoma and the other three were hepatocellular carcinomas. Two additional...
Authors
M.K. Pritchard, J.W. Fournie, V. S. Blazer
Effect of a thiamine antagonist on blood thiamine levels in lake trout Effect of a thiamine antagonist on blood thiamine levels in lake trout
No abstract available at this time
Authors
E. Lee, D. C. Honeyfield
Smolt production Smolt production
No abstract available at this time
Authors
W.C. Clarke, R.L. Saunders, S. D. McCormick
Techniques for estimating abundance and species richness: Estimation of mammal abundance. Introduction Techniques for estimating abundance and species richness: Estimation of mammal abundance. Introduction
No abstract available.
Authors
J.D. Nichols, M.J. Conroy
Systemic noninfectious granulomatoses of fishes (revised) Systemic noninfectious granulomatoses of fishes (revised)
No abstract available at this time
Authors
R. L. Herman
Sediment distribution on a storm-dominated insular shelf, Luquillo, Puerto Rico, U.S.A. Sediment distribution on a storm-dominated insular shelf, Luquillo, Puerto Rico, U.S.A.
A sea-floor mapping investigation designed to assess the sediment distribution, the movement of the nearshore sand supply, and the fate of sediment eroded from the shoreline was conducted using high-resolution sidescan-sonar, seismic reflection, and sediment sampling techniques on the northern insular shelf of Puerto Rico, off the town of Luquillo. Sea-floor structures and the...
Authors
W. C. Schwab, R. W. Rodriguez, W.W. Danforth, M. H. Gowen
AMS radiocarbon analyses from Lake Baikal, Siberia: Challenges of dating sediments from a large, oligotrophic lake AMS radiocarbon analyses from Lake Baikal, Siberia: Challenges of dating sediments from a large, oligotrophic lake
A suite of 146 new accelerator-mass spectrometer (AMS) radiocarbon ages provides the first reliable chronology for late Quaternary sediments in Lake Baikal. In this large, highly oligotrophic lake, biogenic and authigenic carbonate are absent, and plant macrofossils are extremely rare. Total organic carbon is therefore the primary material available for dating. Several problems are...
Authors
Steven M. Colman, Glenn A. Jones, M. Rubin, J.W. King, J.A. Peck, W. H. Orem
Linkages between chemical contaminants and tumors benthic Great Lakes fish Linkages between chemical contaminants and tumors benthic Great Lakes fish
Cutaneous papilloma have been observed at high prevalences in populations of brown bullheads (Ameiurus nebulosus) and white suckers (Catostomus commersoni) distributed throughout the Great Lakes, with no clear-cut delineation between prevalences in fish populations from industrialized sites in comparison to more pristine sites. However, bullhead papilloma prevalences greater than 20%...
Authors
P. C. Baumann, I.R. Smith, C.D. Metcalfe