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Page 1370, results 34226 - 34250

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Borates, 2013
Robert Crangle Jr.
2014, Mining Engineering (66) 35-35
No abstract available....
Engineering uses of physics-based ground motion simulations
Jack W. Baker, Nicolas Luco, Norman A. Abrahamson, Robert W. Graves, Phillip J. Maechling, Kim Olsen
2014, Conference Paper, Proceedings of the 10th National Conference in Earthquake Engineering
This paper summarizes validation methodologies focused on enabling ground motion simulations to be used with confidence in engineering applications such as seismic hazard analysis and dynmaic analysis of structural and geotechnical systems. Numberical simullation of ground motion from large erthquakes, utilizing physics-based models of earthquake rupture and wave propagation, is...
Screening native botanicals for bioactivity: an interdisciplinary approach
Anik Boudreau, Diana M. Cheng, Carmen Ruiz, David Ribnicky, Larry K. Allain, C. Ray Brassieur, D. Phil Turnipseed, William T. Cefalu, Z. Elizabeth Floyd
2014, Nutrition (30) S11-S16
Objective: Plant-based therapies have been used in medicine throughout recorded history. Information about the therapeutic properties of plants often can be found in local cultures as folk medicine is communicated from one generation to the next. The aim of this study was to identify native Louisiana plants from Creole folk...
Scale criticality in estimating ecosystem carbon dynamics
Shuqing Zhao, Shuguang Liu
2014, Global Change Biology (20) 2240-2251
Scaling is central to ecology and Earth system sciences. However, the importance of scale (i.e. resolution and extent) for understanding carbon dynamics across scales is poorly understood and quantified. We simulated carbon dynamics under a wide range of combinations of resolution (nine spatial resolutions of 250 m, 500 m, 1 km, 2 km, 5 km,...
Fishing for Northern Pike in Minnesota: A comparison of anglers and dark house spearers
Susan A. Schroeder, David C. Fulton
2014, North American Journal of Fisheries Management (34) 678-691
In order to project fishing effort and demand of individuals targeting Northern Pike Esox lucius in Minnesota, it is important to understand the catch orientations, management preferences, and site choice preferences of those individuals. Northern Pike are specifically targeted by about 35% of the approximately 1.5 million licensed anglers in...
Avian response to timber harvesting applied experimentally to manage Cerulean Warbler breeding populations
James Sheehan, Petra Bohall Wood, David A. Buehler, Patrick D. Keyser, Jeffrey L. Larkin, Amanda D. Rodewald, T. Bently Wigley, Than J. Boves, Gregory A. George, Marja H. Bakermans, Tiffany A. Beachy, Andrea Evans, Molly E. McDermott, Felicity L. Newell, Kelly A. Perkins, Matthew White
2014, Forest Ecology and Management (321) 5-18
Timber harvesting has been proposed as a management tool to enhance breeding habitat for the Cerulean Warbler (Setophaga cerulea), a declining Neotropical–Nearctic migratory songbird that nests in the canopy of mature eastern deciduous forests. To evaluate how this single-species management focus might fit within an ecologically based management approach for...
Standardization of vitrinite reflectance measurements in shale petroleum systems: How accurate are my Ro data?
Paul C. Hackley
2014, Conference Paper
Vitrinite reflectance generally is considered the most robust thermal maturity parameter available for application to hydrocarbon exploration and petroleum system evaluation. However, until 2011 there was no standardized methodology available to provide guidelines for vitrinite reflectance measurements in shale. Efforts to correct this deficiency resulted in publication of ASTM D7708-11:...
Collaborative socioeconomic tool development to address management and planning needs
Leslie A. Richardson, Christopher Huber, Catherine Cullinane Thomas, Elizabeth Donovan, Lynne M. Koontz
2014, George Wright Society Forum (31) 205-214
Public lands and resources managed by the National Park Service (NPS) and other land management agencies provide a wide range of social and economic benefits to both nearby local communities and society as a whole, ranging from job creation, to access to unique recreational opportunities, to subsistence and tribal uses...
Arroyo channel head evolution in a flash-flood-dominated discontinuous ephemeral stream system
Stephen B. DeLong, Joel P. L. Johnson, Kelin X. Whipple
2014, Geological Society of America Bulletin (126) 1683-1701
We study whether arroyo channel head retreat in dryland discontinuous ephemeral streams is driven by surface runoff, seepage erosion, mass wasting, or some combination of these hydrogeomorphic processes. We monitored precipitation, overland flow, soil moisture, and headcut migration over several seasonal cycles at two adjacent rangeland channel heads in southern...
Low-frequency earthquakes reveal punctuated slow slip on the deep extent of the Alpine Fault, New Zealand
Calum J. Chamberlain, David R. Shelly, John Townend, T.A. Stern
2014, Geochemistry, Geophysics, Geosystems (15) 2984-2999
We present the first evidence of low-frequency earthquakes (LFEs) associated with the deep extension of the transpressional Alpine Fault beneath the central Southern Alps of New Zealand. Our database comprises a temporally continuous 36 month-long catalog of 8760 LFEs within 14 families. To generate this catalog, we first identify 14...
Prolactin and teleost ionocytes: new insights into cellular and molecular targets of prolactin in vertebrate epithelia
Jason P. Breves, Stephen D. McCormick, Rolf O. Karlstrom
2014, General and Comparative Endocrinology (203) 21-28
The peptide hormone prolactin is a functionally versatile hormone produced by the vertebrate pituitary. Comparative studies over the last six decades have revealed that a conserved function for prolactin across vertebrates is the regulation of ion and water transport in a variety of tissues including those responsible for whole-organism ion homeostasis. In teleost fishes,...
A test of the compensatory mortality hypothesis in mountain lions: a management experiment in West-Central Montana
Hugh S. Robinson, Richard Desimone, Cynthia Hartway, Justin A. Gude, Michael J. Thompson, Michael S. Mitchell, Mark Hebblewhite
2014, Journal of Wildlife Management (78) 791-807
Mountain lions (Puma concolor) are widely hunted for recreation, population control, and to reduce conflict with humans, but much is still unknown regarding the effects of harvest on mountain lion population dynamics. Whether human hunting mortality on mountain lions is additive or compensatory is debated. Our primary objective was to...
Trends in annual, seasonal, and monthly streamflow characteristics at 227 streamgages in the Missouri River watershed, water years 1960-2011
Parker A. Norton, Mark T. Anderson, John F. Stamm
2014, Scientific Investigations Report 2014-5053
The Missouri River and its tributaries are an important resource that serve multiple uses including agriculture, energy, recreation, and municipal water supply. Understanding historical streamflow characteristics provides relevant guidance to adaptive management of these water resources. Streamflow records in the Missouri River watershed were examined for trends in time series...
Source processes for the probabilistic assessment of tsunami hazards
Eric L. Geist, Patrick J. Lynett
2014, Oceanography (27) 86-93
The importance of tsunami hazard assessment has increased in recent years as a result of catastrophic consequences from events such as the 2004 Indian Ocean and 2011 Japan tsunamis. In particular, probabilistic tsunami hazard assessment (PTHA) methods have been emphasized to include all possible ways a tsunami could be generated....
A framework for the probabilistic analysis of meteotsunamis
Eric L. Geist, Uri S. ten Brink, Matthew D. Gove
2014, Natural Hazards (74) 123-142
A probabilistic technique is developed to assess the hazard from meteotsunamis. Meteotsunamis are unusual sea-level events, generated when the speed of an atmospheric pressure or wind disturbance is comparable to the phase speed of long waves in the ocean. A general aggregation equation is proposed for the probabilistic analysis, based...
Scenario earthquake hazards for the Long Valley Caldera-Mono Lake area, east-central California (ver. 2.0, January 2018)
Rui Chen, David M. Branum, Chris J. Wills, David P. Hill
2014, Open-File Report 2014-1045
As part of the U.S. Geological Survey’s (USGS) multi-hazards project in the Long Valley Caldera-Mono Lake area, the California Geological Survey (CGS) developed several earthquake scenarios and evaluated potential seismic hazards, including ground shaking, surface fault rupture, liquefaction, and landslide hazards associated with these earthquake scenarios. The results of these...
Calibration of a conodont apatite-based Ordovician 87Sr/86Sr curve to biostratigraphy and geochronology: Implications for stratigraphic resolution
M. R. Saltzman, C. T. Edwards, S. A. Leslie, Gary S. Dwyer, J. A. Bauer, John E. Repetski, A. G. Harris, S. M. Bergstrom
2014, GSA Bulletin (126) 1551-1568
The Ordovician 87Sr/86Sr isotope seawater curve is well established and shows a decreasing trend until the mid-Katian. However, uncertainties in calibration of this curve to biostratigraphy and geochronology have made it difficult to determine how the rates of 87Sr/86Sr decrease may have varied, which has implications for both the stratigraphic resolution possible...
Seismicity of the Earth 1900-2012 Java and vicinity
Eric S. Jones, Gavin P. Hayes, Melissa Bernardino, Fransiska K. Dannemann, Kevin P. Furlong, Harley M. Benz, Antonio Villaseñor
2014, Open-File Report 2010-1083-N
The Sunda convergent margin extends for 5,600 km from the Bay of Bengal and the Andaman Sea, both located northwest of the map area, towards the island of Sumba in the southeast, and then continues eastward as the Banda arc system. This tectonically active margin is a result of the...
Sampling little fish in big rivers: Larval fish detection probabilities in two Lake Erie tributaries and implications for sampling effort and abundance indices
Jeremy J. Pritt, Mark R. DuFour, Christine M. Mayer, Edward F. Roseman, Robin L. DeBruyne
2014, Transactions of the American Fisheries Society (143) 1011-1027
Larval fish are frequently sampled in coastal tributaries to determine factors affecting recruitment, evaluate spawning success, and estimate production from spawning habitats. Imperfect detection of larvae is common, because larval fish are small and unevenly distributed in space and time, and coastal tributaries are often large and heterogeneous. We estimated...
Regional regression equations for the estimation of selected monthly low-flow duration and frequency statistics at ungaged sites on streams in New Jersey
Kara M. Watson, Amy R. McHugh
2014, Scientific Investigations Report 2014-5004
Regional regression equations were developed for estimating monthly flow-duration and monthly low-flow frequency statistics for ungaged streams in Coastal Plain and non-coastal regions of New Jersey for baseline and current land- and water-use conditions. The equations were developed to estimate 87 different streamflow statistics, which include the monthly 99-, 90-,...
Air-sea interactions during strong winter extratropical storms
Jill Nelson, Ruoying He, John C. Warner, John Bane
2014, Ocean Dynamics
A high-resolution, regional coupled atmosphere–ocean model is used to investigate strong air–sea interactions during a rapidly developing extratropical cyclone (ETC) off the east coast of the USA. In this two-way coupled system, surface momentum and heat fluxes derived from the Weather Research and Forecasting model and sea surface temperature (SST)...
Rapid reservoir erosion, hyperconcentrated flow, and downstream deposition triggered by breaching of 38 m tall Condit Dam, White Salmon River, Washington
Andrew C. Wilcox, James E. O'Connor, Jon J. Major
2014, Journal of Geophysical Research F: Earth Surface (119) 1376-1394
Condit Dam on the White Salmon River, Washington, a 38 m high dam impounding a large volume (1.8 million m3) of fine-grained sediment (60% sand, 35% silt and clay, and 5% gravel), was rapidly breached in October 2011. This unique dam decommissioning produced dramatic upstream and downstream geomorphic responses in...
Incubation success and habitat selection of shore-spawning kokanee Onchorhynchus nerka: effects of water level regulation and habitat characteristics.
Steven L. Whitlock, Michael C. Quist, Andrew M. Dux
2014, Ecology of Freshwater Fish (24) 412-423
Changes to water-level regimes have been known to restructure fish assemblages and interfere with the population dynamics of both littoral and pelagic species. The effect of altered water-level regimes on shore-spawning kokanee Oncorhynchus nerka incubation success was evaluated using a comprehensive in situ study in Lake Pend Oreille, ID, USA. Survival was not related...
Low-flow characteristics of streams in the Lahaina District, West Maui, Hawai'i
Chui Ling Cheng
2014, Scientific Investigations Report 2014-5087
The purpose of this study was to characterize streamflow availability under natural low-flow conditions for streams in the Lahaina District, west Maui, Hawaiʻi. The study-area streams included Honolua Stream and tributary Pāpua Gulch, Honokahua Stream and tributary Mokupeʻa Gulch, Kahana Stream, Honokōwai Stream and tributaries Amalu and Kapāloa Streams, Wahikuli...