Urban sprawl as a risk factor in motor vehicle crashes
Reid Ewing, Shima Hamidi, James B. Grace
2016, Urban Studies (53) 247-266
A decade ago, compactness/sprawl indices were developed for metropolitan areas and counties which have been widely used in health and other research. In this study, we first update the original county index to 2010, then develop a refined index that accounts for more relevant factors, and finally seek to test...
Aptian ‘Shale Gas’ Prospectivity in the Downdip Mississippi Interior Salt Basin, Gulf Coast, USA
Paul C. Hackley, Brett J. Valentine, Catherine B. Enomoto, Celeste D. Lohr, Krystina R. Scott, Frank T. Dulong, Alana M. Bove
2016, Conference Paper, Unconventional Resources Technology Conference Proceedings
This study evaluates regional ‘shale gas’ prospectivity of the Aptian section (primarily Pine Island Shale) in the downdip Mississippi Salt Basin (MSB). Previous work by the U.S. Geological Survey estimated a mean undiscovered gas resource of 8.8 trillion cubic feet (TCF) in the chronostratigraphic-equivalent Pearsall Formation in the Maverick Basin...
Atlantic salmon, Salmo salar L. are broadly susceptible to isolates representing the North American genogroups of infectious hematopoietic necrosis virus
Gael Kurath, James R. Winton, Ole B. Dale, Maureen K. Purcell, Knut Falk, Robert D. Busch
2016, Journal of Fish Diseases (39) 55-67
Beginning in 1992, three epidemic waves of infectious hematopoietic necrosis, often with high mortality, occurred in farmed Atlantic salmon Salmo salar L. on the west coast of North America. We compared the virulence of eleven strains of infectious hematopoietic necrosis virus (IHNV), representing the U, M and L genogroups, in experimental challenges...
Natural flow regimes of the Ozark-Ouachita Interior Highlands region
Douglas R. Leasure, Daniel D. Magoulick, S. D. Longing
2016, River Research and Applications (32) 18-35
Natural flow regimes represent the hydrologic conditions to which native aquatic organisms are best adapted. We completed a regional river classification and quantitative descriptions of each natural flow regime for the Ozark–Ouachita Interior Highlands region of Arkansas, Missouri and Oklahoma. On the basis of daily flow records from 64 reference...
New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range
Jeffrey A. Coe, Jason W. Kean, Jonathan W. Godt, Rex L. Baum, Eric S. Jones, David Gochis, Gregory S Anderson
2016, GSA Today (24) 4-10
Rainfall on 9–13 September 2013 triggered at least 1,138 debris flows in a 3430 km2 area of the Colorado Front Range. The historical record reveals that the occurrence of these flows over such a large area in the interior of North America is highly unusual. Rainfall that triggered the debris...
Raft and floating radio frequency identification (RFID) antenna systems for detecting and estimating abundance of PIT-tagged fish in rivers
Eric R. Fetherman, Brian W. Avila, Dana L. Winkelman
2016, North American Journal of Fisheries Management (34) 1065-1077
Portable radio frequency identification (RFID) PIT tag antenna systems are increasingly being used in studies examining aquatic animal movement, survival, and habitat use, and their design flexibility permits application in a wide variety of settings. We describe the construction, use, and performance of two portable floating RFID PIT...
Behavioural thermoregulation and bioenergetics of riverine smallmouth bass associated with ambient cold-period thermal refuge
Jacob T. Westhoff, Craig P. Paukert, Sarah Ettinger-Dietzel, H.R. Dodd, Michael Siepker
2016, Ecology of Freshwater Fish (25) 72-85
Smallmouth bass in thermally heterogeneous streams may behaviourally thermoregulate during the cold period (i.e., groundwater temperature greater than river water temperature) by inhabiting warm areas in the stream that result from high groundwater influence or springs. Our objectives were to determine movement of smallmouth bass (Micropterus dolomieu) that use thermal...
Regional analysis of social characteristics for evacuation resource planning: ARkStorm scenario
Anne Wein, Jamie L. Ratliff, Allan Baez, Rachel Sleeter
2016, Natural Hazards Review (17)
Local planning is insufficient for regional catastrophes; regional exercises are needed to test emergency plans and decision-making structures. The ARkStorm scenario would trigger a mass evacuation that would be complicated by the social characteristics of populations [e.g., vehicle ownership, age, poverty, English language limitation (ELL), and shelter needs]. Land cover...
The 3D Elevation Program: summary for Hawaii
William J. Carswell Jr.
2016, Fact Sheet 2014-3079
Elevation data are essential to a broad range of applications, including forest resources management, wildlife and habitat management, national security, recreation, and many others. For the State of Hawaii, elevation data are critical for infrastructure and construction management, flood risk management, geologic resource assessment and hazard mitigation, natural resources conservation,...
A hierarchical community occurrence model for North Carolina stream fish
S.R. Midway, Tyler Wagner, B.H. Tracy
2016, Transactions of the American Fisheries Society (143) 1348-1357
The southeastern USA is home to one of the richest—and most imperiled and threatened—freshwater fish assemblages in North America. For many of these rare and threatened species, conservation efforts are often limited by a lack of data. Drawing on a unique and extensive data set spanning over 20 years, we modeled...
Influence of slip-surface geometry on earth-flow deformation, Montaguto earth flow, southern Italy
L. Guerriero, Jeffrey A. Coe, P. Revellio, G. Grelle, F. Pinto, F. Guadagno
2016, Geomorphology (219) 285-305
We investigated relations between slip-surface geometry and deformational structures and hydrologic features at the Montaguto earth flow in southern Italy between 1954 and 2010. We used 25 boreholes, 15 static cone-penetration tests, and 22 shallow-seismic profiles to define the geometry of basal- and lateral-slip surfaces; and 9 multitemporal maps to...
Differential response of carbon fluxes to climate in three peatland ecosystems that vary in the presence and stability of permafrost
Eugenie S. Euskirchen, C.W. Edgar, M.R. Turetsky, Mark P. Waldrop, Jennifer W. Harden
2016, Journal of Geophysical Research: Biogeosciences (119) 1576-1595
Changes in vegetation and soil properties following permafrost degradation and thermokarst development in peatlands may cause changes in net carbon storage. To better understand these dynamics, we established three sites in Alaska that vary in permafrost regime, including a black spruce peat plateau forest with stable permafrost, an internal collapse...
Optimizing surveillance for South American origin influenza A viruses along the United States Gulf Coast through genomic characterization of isolates from blue-winged teal (Anas discors)
Andrew M. Ramey, Patrick Walther, Paul Karl Link, Rebecca L. Poulson, Benjamin R. Wilcox, George M. Newsome, Erica Spackman, J. Brown, David E. Stallknecht
2016, Transboundary and Emerging Diseases (63) 194-202
Relative to research focused on intercontinental viral exchange between Eurasia and North America, less attention has been directed towards understanding the redistribution of influenza A viruses (IAVs) by wild birds between North America and South America. In this study, we genomically characterized 45 viruses isolated from blue-winged teal (Anas discors)...
First record of the bigeye shiner (Notropis boops) from West Virginia
Stuart A. Welsh, Daniel A. Cincotta, Richard L. Raesly
2016, American Midland Naturalist (172) 373-375
We report a population of Bigeye Shiner Notropis boops in the South Fork Hughes River drainage of the Little Kanawha River, West Virginia. A total of 27 individuals of N. boops were collected during five sampling efforts from 1999 to 2005. These specimens represent an addition to the...
High-precision relocation of long-period events beneath the summit region of Kı̄lauea Volcano, Hawai‘i, from 1986 to 2009
Robin S. Matoza, Peter M. Shearer, Paul G. Okubo
2016, Geophysical Research Letters (41) 3413-3421
Long-period (0.5–5 Hz, LP) seismicity has been recorded for decades in the summit region of Kı̄lauea Volcano, Hawai‘i, and is postulated as linked with the magma transport and shallow hydrothermal systems. To better characterize its spatiotemporal occurrence, we perform a systematic analysis of 49,030 seismic events occurring in the Kı̄lauea...
Effectiveness of eugenol sedation to reduce the metabolic rates of cool and warm water fish at high loading densities
Aaron R. Cupp, Kim T. Fredricks, Christopher F. Hartleb, Mark P. Gaikowski
2016, Aquaculture Research (47) 234-242
Effects of eugenol (AQUI-S®20E, 10% active eugenol) sedation on cool water, yellow perch Perca flavescens (Mitchill), and warm water, Nile tilapia Oreochromis niloticus L. fish metabolic rates were assessed. Both species were exposed to 0, 10, 20 and 30 mg L−1 eugenol using static respirometry. In 17°C water and loading densities of 60, 120 and 240 g L−1, yellow...
Effectiveness of eugenol sedation to reduce the metabolic rates of cool and warm water fish at high loading densities
Aaron R. Cupp, Christopher F. Hartleb, Kim T. Fredricks, Mark P. Gaikowski
2016, Aquaculture Research (47) 234-242
Effects of eugenol (AQUI-S®20E, 10% active eugenol) sedation on cool water, yellow perch Perca flavescens (Mitchill), and warm water, Nile tilapia Oreochromis niloticus L. fish metabolic rates were assessed. Both species were exposed to 0, 10, 20 and 30 mg L−1 eugenol using static respirometry. In 17°C water and loading...
Reproductive success and habitat characteristics of Golden-winged Warblers in high-elevation pasturelands
Petra Wood, Kyle R. Aldinger
2016, Wilson Journal of Ornithology (126) 279-287
The Golden-winged Warbler (Vermivora chrysoptera) is one of the most rapidly declining vertebrate species in the Appalachian Mountains. It is the subject of extensive range-wide research and conservation action. However, little is known about this species' breeding ecology in high-elevation pasturelands, a breeding habitat with conservation potential considering the U.S....
Manganese nodules
James R. Hein
Jan Harff, Sven Petersen, Jorn Thiede, editor(s)
2016, Book chapter, Encyclopedia of marine geosciences
The existence of manganese (Mn) nodules (Figure 1) has been known since the late 1800s when they were collected during the Challenger expedition of 1873–1876. However, it was not until after WWII that nodules were further studied in detail for their ability to adsorb metals from seawater. Many of the...
Bathymetric terrain model of the Atlantic margin for marine geological investigations
Brian D. Andrews, Jason D. Chaytor, Uri S. ten Brink, Daniel S. Brothers, James V. Gardner, Elizabeth A. Lobecker, Brian R. Calder
2016, Open-File Report 2012-1266
A bathymetric terrain model of the Atlantic margin covering almost 725,000 square kilometers of seafloor from the New England Seamounts in the north to the Blake Basin in the south is compiled from existing multibeam bathymetric data for marine geological investigations. Although other terrain models of the same area are...
Detecting temporal change in freshwater fisheries surveys: statistical power and the important linkages between management questions and monitoring objectives
Tyler Wagner, Brian J. Irwin, James R. Bence, Daniel B. Hayes
2016, Fisheries (38) 309-319
Monitoring to detect temporal trends in biological and habitat indices is a critical component of fisheries management. Thus, it is important that management objectives are linked to monitoring objectives. This linkage requires a definition of what constitutes a management-relevant “temporal trend.” It is also important to develop expectations for the...
Geophysical log database for the Floridan aquifer system and southeastern Coastal Plain aquifer system in Florida and parts of Georgia, Alabama, and South Carolina
Lester J. Williams, Jessica E. Raines, Amanda E. Lanning
2016, Data Series 760
A database of borehole geophysical logs and other types of data files were compiled as part of ongoing studies of water availability and assessment of brackish- and saline-water resources. The database contains 4,883 logs from 1,248 wells in Florida, Georgia, Alabama, South Carolina, and from a limited number of offshore...
Unsteady flow in natural compound channel: Experiment and simulation
Francisco J. Simoes, Paul J. Kinzel
2016, Conference Paper, River flow 2012: Proceedings of the International Conference on Fluvial Hydraulics
Phragmites Australis, or common reed, is an invasive plant species that has spread along channels of the Platte River (Nebraska, USA), adversely altering the biogeomorphology of the system. Of particular interest have been the impacts on riparian habitat, specifically the reduction of suitable areas for crane roosting and shorebird nesting....
Impact of carbon dioxide level, water velocity, and feeding regimen on growth and fillet attributes of cultured rainbow trout (Oncorhynchus mykiss)
Patricia M. Mazik, P. M. Mazik, P. B. Kenney, J.T Silverstein
2016, Book chapter, Aquaculture
Production and management variables such as carbon dioxide (CO2) level, water velocity, and feeding frequency influence the growth and fillet attributes of rainbow trout (Oncorhynchus mykiss), as well as cost of production. More information is needed to determine the contributions of these variables to growth...
Tabulated Transmissivity and Storage Properties of the Floridan Aquifer System in Florida and Parts of Georgia, South Carolina, and Alabama
Eve L. Kuniansky, Jason C. Bellino
2016, Data Series 669
A goal of the U.S. Geological Survey Groundwater Resources Program is to assess the availability of fresh water within each of the principal aquifers in the United States with the greatest groundwater withdrawals. The Floridan aquifer system (FAS), which covers an area of approximately 100,000 square miles in Florida and...
