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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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Mission Area Publications

We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Filter Total Items: 171941

Measurements of soil carbon dioxide and methane concentrations and fluxes, and soil properties at Four Ages of Jack Pine Forest in the Southern Study Area of the Boreal Ecosystem Atmosphere Study, Saskatchewan, Canada, 1993-95

No abstract available.
Authors
K.P. Wickland, Robert G. Striegl

Methane in coastal sea water, sea ice, and bottom sediments, Beaufort Sea, Alaska; results from 1995

No abstract available.
Authors
T.D. Lorenson, K.A. Kvenvolden

New dates for the north China Mesolithic

The Mesolithic - as the 'time in between' - raises issues of definition, the more so as chronology is refined and the abruptness of environmental change at the end of the glaciation becomes clearer. This clarification of an unusual regional sequence is an instance.
Authors
R. G. Elston, X. Cheng, David B. Madsen, Z. Kan, R. L. Bettinger, L. Jingzen, P. J. Brantingham, Wang Huiming, Yu Jun

Nitrogen and pesticide concentrations in an agricultural basin in north-central Connecticut

No abstract available.
Authors
John R. Mullaney, Marc James Zimmerman

Observations of geothermal activity near Pavlof Volcano on the Alaska Peninsula during March and April of 1996

No abstract available.
Authors
Chris Flowers

Occurrence and Distribution of Organochlorine Compounds in Biological Tissue and Bed Sediment From Streams in the Trinity River Basin, Texas, 1992-93

This report describes the occurrence and distribution of organochlorine compounds in biological tissue and bed sediment from the Trinity River Basin study area of the National Water-Quality Assessment Program. Concentrations of organochlorine pesticides, polychlorinated biphenyls (PCBs), and other organochlorine compounds were determined in biological tissue and surficial bed sediment...
Authors
J. Bruce Moring
By
Water Resources Mission Area, Oklahoma-Texas Water Science Center

Paleomagnetic and 40Ar/39Ar results from the Grant intrusive breccia and comparison to the Permian Downeys Bluff sill — Evidence for Permian igneous activity at Hicks Dome, southern Illinois Basin

Igneous processes at Hicks dome, a structural upwarp at lat 37.5° N., long 88.4° W. in the southern part of the Illinois Basin, may have thermally affected regional basinal fluid flow and may have provided fluorine for the formation of the Illinois-Kentucky Fluorspar district. The timing of both igneous activity and mineralization is poorly known. For this reason, we have dated an...
Authors
Richard L. Reynolds, Martin B. Goldhaber, Lawrence W. Snee

Perception of neighboring plants by rhizomes and roots: Morphological manifestations of a clonal plant

A previous study showed that clonal morphology of the rhizomatous grass Elymus lanceolatus ssp. lanceolatus (Scibner & J.G. Smith Gould) was influenced more by neighbouring root systems than by the local distribution of nutrients. In this study we determine whether individual rhizomes or roots of E. lanceolatus perceive neighbouring root systems and how this is manifested in...
Authors
Elisabeth Huber-Sannwald, M. M. Caldwell, David A. Pyke
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center

Pesticides associated with suspended sediments in the San Francisco Bay Estuary, California

During the study of inputs of sediment-associated pesticides into the San Francisco Bay Estuary, suspended sediments were isolated from large-volume water samples collected over several years at various stations in Suisun Bay and also covering the principal inputs and outlet. The samples were analyzed for 21 pesticides and pesticide degradation products to provide information about the...
Authors
Brian A. Bergamaschi, Kathryn L. Crepeau, Kathryn Kuivila

Portraying chemical properties of bedrock for water quality and ecosystem analysis; an approach for the New England region

No abstract available.
Authors
G. R. Robinson

Potentiometric Surface of the Aquia Aquifer in southern Maryland, September 1995

A map showing the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in southern Maryland during September 1995 was prepared from water-level measurements in 80 wells. The potentiometric surface was above sea level near the northwestern boundary and outcrop area of the aquifer in topographically high areas of Anne Arundel and Prince Georges Counties, and...
Authors
Stephen E. Curtin, David C. Andreasen, Frederick K. Mack

Precipitation-chemistry data at selected sites in northwestern Colorado, 1980-94

The chemical content of precipitation was monitored during the period 1980-94 at three sites at altitudes above 2,400 meters near the Piceance Basin in northwestern Colorado. Daily precipitation volumes, specific conductance, pH (in this report pH is expressed as hydrogen-ion concentration), concentrations of major cations and anions, calculated charge balance between cations and anions...
Authors
A.J. Ranalli
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