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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.
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Orthoreoviruses Orthoreoviruses
This chapter contains section titled: Introduction History Distribution Host Range Etiology Epizootiology Clinical Signs and Pathology Diagnosis Immunity Public Health Concerns Domestic Animal Health Concerns Treatment and Control Management Implications Literature Cited
Authors
Tuula E. Hollmen, Douglas E. Docherty
Avian pox Avian pox
This chapter contains section titled: Introduction Synonyms History Distribution Host Range Etiology Epizootiology Clinical Signs Pathogenesis Pathology Diagnosis Immunity Public Health Concerns Domestic Animal Health Concerns Wildlife Population Impacts Treatment and Control Management Implications Acknowledgements Literature Cited
Authors
Charles van Riper, Donald J. Forrester
Avian herpesviruses Avian herpesviruses
This chapter contains section titled: Introduction Synonyms History Distribution Host Range Etiology Epizootiology Clinical Signs Pathology Diagnosis Immunity Public Health Concerns Domestic Animal Health Concerns Wildlife Population Impacts Treatment and Control Management Implications Acknowlegements Literature Cited
Authors
Erhard F. Kaleta, Douglas E. Docherty
State of the art and progress in the earthquake early warning system in Taiwan State of the art and progress in the earthquake early warning system in Taiwan
We report here the recent progress and future development of real-time seismic monitoring in Taiwan, especially on earthquake early warning system (EWS) developed at the Central Weather Bureau (CWB), using the telemetered signals from strong-motion instruments. Utilizing a quick magnitude determination based on the first 10 sec of signals from a virtual and sub-network which is...
Authors
Y. Wu, Nai-Chi Hsiao, W.H.K. Lee, Ta-Liang Teng, Tzay-Chyn Shin
Regenerated cellulose dialysis membrane sampler Regenerated cellulose dialysis membrane sampler
No abstract available.
Authors
Thomas E. Imbrigiotta
Model calibration and issues related to validation, sensitivity analysis, post-audit, uncertainty evaluation and assessment of prediction data needs Model calibration and issues related to validation, sensitivity analysis, post-audit, uncertainty evaluation and assessment of prediction data needs
When simulating natural and engineered groundwater flow and transport systems, one objective is to produce a model that accurately represents important aspects of the true system. However, using direct measurements of system characteristics, such as hydraulic conductivity, to construct a model often produces simulated values that poorly match observations of the system state, such as...
Authors
Claire R. Tiedeman, Mary C. Hill
Glaciers: scribes of climate, harbingers of change Glaciers: scribes of climate, harbingers of change
No abstract available.
Authors
Dorothy K. Hall, Richard S. Williams
Submarine slope failures near Seward, Alaska, during the M9.2 1964 earthquake Submarine slope failures near Seward, Alaska, during the M9.2 1964 earthquake
Following the 1964 M9.2 megathrust earthquake in southern Alaska, Seward was the only town hit by tsunamis generated from both submarine landslides and tectonic sources. Within 45 seconds of the start of the earthquake, a 1.2-km-long section of waterfront began sliding seaward, and soon after, ~6-8-m high waves inundated the town. Studies soon after the earthquake concluded that...
Authors
Peter J. Haeussler, H.J. Lee, H. F. Ryan, Keith A. Labay, R. E. Kayen, M. A. Hampton, E. Suleimani
Mechanisms for an ∼7‐kyr climate and sea‐level oscillation during marine isotope stage 3 Mechanisms for an ∼7‐kyr climate and sea‐level oscillation during marine isotope stage 3
No abstract available.
Authors
Peter U. Clark, Steven W. Hostetler, N. G. Pisias, Andreas Schmittner, K. J. Meissner
Reassessment of seismically induced, tsunamigenic submarine slope failures in Port Valdez, Alaska, USA Reassessment of seismically induced, tsunamigenic submarine slope failures in Port Valdez, Alaska, USA
The M9.2 Alaska earthquake of 1964 caused major damage to the port facilities and town of Valdez, most of it the result of submarine landslide and the consequent tsunamis. Recent bathymetric multibeam surveys, high-resolution subbottom profiles, and dated sediment cores in Port Valdez supply new information about the morphology and character of the landslide deposits. A comparison of pre...
Authors
H.J. Lee, H. F. Ryan, Peter J. Haeussler, R. E. Kayen, M. A. Hampton, Jacques Locat, E. Suleimani, C. R. Alexander
Public geoscience at the frontiers of democracy Public geoscience at the frontiers of democracy
No abstract available.
Authors
Deborah R. Hutchinson, Richard S. Williams
Sediment and sediment-associated contaminant transport through karst Sediment and sediment-associated contaminant transport through karst
The unusual characteristics of subterranean flow in karst aquifers allow for the transport of sediment. Kartst ground-water system are created by dissolution of the bedrock matrix coupled with structural and stratigraphic controls. As a result, high flow velocities, large-diameter openings, and turbulent flow, all necessary for the entrainment and transport of particles, are present—at...
Authors
Barbara Mahler, J.-C. Personne, F. Leo Lynch, Peter C. Van Metre