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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6158
Chemical weathering in small catchments: Climatic and anthropogenic influences Chemical weathering in small catchments: Climatic and anthropogenic influences
No abstract available
Authors
C.E. Johnson, M.I. Litaor, M.F. Billet, O.P. Bricker
Common tern (Sterna hirundo) Common tern (Sterna hirundo)
No abstract available.
Authors
J. A. Spendelow
Commonly encountered hatching problems Commonly encountered hatching problems
No abstract available.
Authors
Glenn H. Olsen, F. Duvall
Continent-ocean transition in Alaska: The tectonic assembly of eastern Denalia Continent-ocean transition in Alaska: The tectonic assembly of eastern Denalia
Alaska is the eastern, subaerial part of a large subcontinent of distinctive tectonic character that serves as an isthmus between nuclear North America, with its fringing belt of allochthonous terranes, and the accreted terranes and volcanic belts that constitute northeastern Russia. Physiographically, this subcontinent, which we name Denalia, is a bulge in the continental platform in...
Authors
Thomas E. Moore, Arthur Grantz, S. M. Roeske
Convective heat discharge of Wood River group of springs in the vicinity of Crater Lake, Oregon Convective heat discharge of Wood River group of springs in the vicinity of Crater Lake, Oregon
Data sets for spring and stream chemistry are combined to estimate convective heat discharge and discharge anomalous amounts of sodium and chloride for the Wood River group of springs south of Crater Lake. The best estimate of heat discharge is 87 MWt based on chloride inventory; this value is 3-5 times the heat input to Crater Lake itself. Anomalous discharges of sodium and chloride are...
Authors
Manuel Nathenson, Robert H. Mariner, J. Michael Thompson
Cretaceous rocks from southwestern Montana to southwestern Minnesota, northern Rocky Mountains, and Great Plains Cretaceous rocks from southwestern Montana to southwestern Minnesota, northern Rocky Mountains, and Great Plains
In Montana, Wyoming, North and South Dakota, and Minnesota, Cretaceous strata are preserved in the asymmetric Western Interior foreland basin. More than 5,200 m (17,000 ft) of Cretaceous strata are present in southwestern Montana, less than 300 m (1,000 ft) in eastern South Dakota. The asymmetry resulted from varying rates of subsidence due to tectonic and sediment loading. The strata...
Authors
T. S. Dyman, W. A. Cobban, J. E. Fox, R. H. Hammond, D. J. Nichols, W. J. Perry, K. W. Porter, D. D. Rice, D. R. Setterholm, G. W. Shurr, R. G. Tysdal, J. C. Haley, E. B. Campen
Culebra Island giant anole Anolis roosevelti Culebra Island giant anole Anolis roosevelti
Abstract not supplied at this time
Authors
C.K. Dodd
Cycling of mercury across the sediment-water interface in seepage lakes: Chapter 13, Advances in Chemistry Cycling of mercury across the sediment-water interface in seepage lakes: Chapter 13, Advances in Chemistry
The magnitude and direction of Hg fluxes across the sediment—water interface were estimated by groundwater, dry bulk sediment, sediment pore water, sediment trap, and water-column analyses in two northern Wisconsin seepage lakes. Little Rock Lake (Treatment Basin) received no groundwater discharge during the study period (1988—1990), and Follette Lake received continuous groundwater...
Authors
James P. Hurley, David P. Krabbenhoft, Christopher L. Babiarz, Anders Andren
Demographic and life history characteristics influence the cytonuclear composition of mosquitofish populations Demographic and life history characteristics influence the cytonuclear composition of mosquitofish populations
Experimental laboratory crosses and population experiments reveal significant differences in individual life-history traits and population demography between two related species of mosquitofish, Gambusia affinis and G. holbrooki. With respect to life-history traits, progeny from G. holbrooki exhibit larger size at birth and earlier age at sexual maturity than do progeny from G. affinis...
Authors
Kim T. Scribner, John C. Avise
Designing global land cover databases to maximize utility—the US prototype Designing global land cover databases to maximize utility—the US prototype
One of the most pressing problems in global climate and ecosystem studies is a lack of adequate land cover data. Staff from the United States Geological Survey's EROS Data Center and the University of Nebraska have developed a United States prototype for a proposed global land cover characteristics database derived from 1-km Advanced Very High Resolution Radiometer satellite data. A...
Authors
B. C. Reed, Thomas R. Loveland, L. T. Steyaert, Jesslyn F. Brown, J.W. Merchant, D.O. Ohlen
Developmental stability in plants: symmetries, stress and epigenesis Developmental stability in plants: symmetries, stress and epigenesis
No abstract available
Authors
D.C. Freeman, J.H. Graham, J.M. Emlen
Dioxins, dibenzofurans, PCBs and colonial, fish-eating water birds Dioxins, dibenzofurans, PCBs and colonial, fish-eating water birds
No abstract available.
Authors
J. P. Giesy, J. P. Ludwig, D. E. Tillitt