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Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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.
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Upper conduit structure and explosion dynamics at Stromboli
Modeling of very long period seismic data recorded during explosive activity at Stromboli in 1997 provides an image of the uppermost 1 km of its volcanic plumbing system. Two distinct dike-like conduit structures are identified, each representative of explosive eruptions from two different vents located near the northern and southern perimeters of the summit crater. Inferred volumetric changes in
Authors
Bernard A. Chouet, Phillip B. Dawson, Marcello Martini
Wildlife values of North American ricelands
Ricelands have become an indispensable component of waterbird habitat and a leading example of integrating agricultural and natural resource management in the Mississippi Alluvial Valley, Gulf Coast, and Central California. Residual rice, weed seeds, and invertebrates provide food for many avian species during fall and winter. In North America, considerable information exists on the use of ricef
Authors
J.M. Eadie, C.S. Elphick, K. J. Reinecke, M. R. Miller
Coastal systems and low-lying areas
Since the IPCC Third Assessment Report (TAR), our understanding of the implications of climate change for coastal systems and low-lying areas (henceforth referred to as ‘coasts’) has increased substantially and six important policy-relevant messages have emerged. Coasts are experiencing the adverse consequences of hazards related to climate and sea level (very high confidence). Coasts are highly v
Authors
R.J. Nicholls, P.P. Wong, Virginia Burkett, Jorge O. Codignotto, John Hay, Roger F, McLean, Sachooda Ragoonaden, Colin D. Woodroffe
Conservation and use of coastal wetland forests in Louisiana
No abstract available.
Authors
Stephen Faulkner, J. L. Chambers, William H. Conner, Richard F. Keim, John W. Day, Emile S. Gardiner, M.S. Hughes, Sammy L. King, K.W. McLeod, Craig A. Miller, J. Andrew Nyman, Gary P. Shaffer
Assessing the impact of tidal flooding and salinity on long-term growth of baldcypress under changing climate and riverflow
No abstract available
Authors
Thomas W. Doyle, William H. Conner, Marceau Ratard, L.W. Inabinette
Plant community composition of a tidally influenced, remnant Atlantic white cedar stand in Mississippi
No abstract available.
Authors
Bobby D. Keeland, John W. McCoy
Tidal freshwater swamps of the southeastern United States: Effects of land use, hurricanes, sea-level rise, and climate change
No abstract available.
Authors
Thomas W. Doyle, Calvin P. O'Neil, Marcus Melder, Andrew From, Monica M. Palta
The introduction and emergence of wildlife diseases in North America
No abstract available.
Authors
Robert G. McLean
Natural bitumen and extra-heavy oil
Since 2005, oil price increases have greatly increased investment in the production of extra- heavy oil and natural bitumen (tar sands or oil sands) to supplement conventional oil supplies. These oils are characterised by their high viscosity, high density (low API gravity), and high concentrations of nitrogen, oxygen, sulphur, and heavy metals. Extra-heavy oil and natural bitumen are the remnants
Authors
Emil D. Attanasi, R. F. Meyer
Laboratory toxicity testing with freshwater mussels: Chapter 5
No abstract available.
Authors
Christopher G. Ingersoll, N.J. Kernaghan, Timothy S. Gross, Cristi D. Bishop, Ning Wang, Andy Roberts
The geology and tectonic history of Santa Clara County
No abstract available.
Authors
M. Clark Blake, C. M. Wentworth
Towards quantitative monitoring of semivolatile organic compounds using passive air samplers: Chapter 6
Passive air samplers can be used to measure the air concentration of various semivolatile organic compounds (SOCs) with reasonable reliability. To use passive air samplers to measure atmospheric concentrations of pollutants, calibration data are required. Calibration data include parameters such as sampling rates, sampler/air partition coefficients and loss rate constants. These parameters are usu
Authors
M.E. Bartkow, Carl E. Orazio, Todd Gouin, James N. Huckins, J.F. Muller