Publications
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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The long shadow of a major disaster: Modeled dynamic impacts of the hypothetical HayWired earthquake on California’s economy The long shadow of a major disaster: Modeled dynamic impacts of the hypothetical HayWired earthquake on California’s economy
We develop and apply a dynamic economic simulation model to analyze the multi-regional impacts of, and mechanisms of recovery from, a major disaster, the HayWired scenario — a hypothetical Magnitude 7.0 earthquake affecting California’s San Francisco Bay Area. The model integrates loss pathways: capital stock damage, labor supply shocks due to short-term population displacement and...
Authors
Ian Sue Wing, Adam Z Rose, Dan Wei, Anne Wein
Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India
Artificial Neural Networks (ANN) were used to assess methane hydrate occurrence and saturation in marine sediments offshore India. The ANN analysis classifies the gas hydrate occurrence into three types: methane hydrate in pore space, methane hydrate in fractures, or no methane hydrate. Further, predicted saturation characterizes the volume of gas hydrate with respect to the available...
Authors
Leebyn Chong, Timothy Collett, C. Gabriel Creason, Yongkoo Seol, E.M. Myshakin
Reimagining large river management using the Resist–Accept–Direct (RAD) framework in the Upper Mississippi River Reimagining large river management using the Resist–Accept–Direct (RAD) framework in the Upper Mississippi River
Background Large-river decision-makers are charged with maintaining diverse ecosystem services through unprecedented social-ecological transformations as climate change and other global stressors intensify. The interconnected, dendritic habitats of rivers, which often demarcate jurisdictional boundaries, generate complex management challenges. Here, we explore how the Resist–Accept...
Authors
Nicole K. Ward, Abigail Lynch, Erik A. Beever, Joshua Booker, Kristen L. Bouska, Holly Susan Embke, John F. Kocik, Joshua Kocik, Mary Grace T. Lemon, David J. Lawrence, Douglas Limpinsel, Madeline Magee, Bryan M. Maitland, Owen P. McKenna, Andrew R. Meier, John M. Morton, Jeffrey Muehlbauer, Robert Newman, Devon C. Oliver, Heidi M. Rantala, Greg G. Sass, Aaron D. Shultz, Laura Thompson, Jennifer L. Wilkening
Evaluating the spatial and temporal distribution and ecology of Bighead and Silver Carp and native fishes of the lower Red River basin Evaluating the spatial and temporal distribution and ecology of Bighead and Silver Carp and native fishes of the lower Red River basin
We investigated the spatial and temporal distribution of Bighead Carp and Silver Carp (hereafter Carp) in the lower Red River basin of Arkansas. Our study objectives were: 1) determine the spatial and temporal extent of Bighead and Silver Carp in the Red River basin of Arkansas; 2) determine habitat associations of large river fish assemblages; and 3) summarize the demographics of...
Authors
Shannon K. Brewer, John Dattilo, Paul Ramsey, Ben Birdsall
Striped bass exploitation in tailwater habitats of east-central Oklahoma Striped bass exploitation in tailwater habitats of east-central Oklahoma
Striped Bass (Morone saxatilis) is naturally anadromous, but a few land-locked populations have been documented that are self-sustaining, including fish in the Arkansas River, Oklahoma. This rare population is the source of brood stock for the Oklahoma Department of Wildlife Conservation hatcheries and is an important sportfish stock. Striped Bass often congregate in tailwater habitats...
Authors
Alex Vaisvil, Daniel Shoup, Shannon K. Brewer
Evaluating the spatial and temporal distribution and ecology of Bighead and Silver Carp and native fishes of the lower Red River basin Evaluating the spatial and temporal distribution and ecology of Bighead and Silver Carp and native fishes of the lower Red River basin
We investigated the spatial and temporal distribution of Bighead Carp and Silver Carp (hereafter Carp) in the lower Red River basin of Arkansas. Our study objectives were: 1) determine the spatial and temporal extent of Bighead and Silver Carp in the Red River basin of Arkansas; 2) determine habitat associations of large river fish assemblages; and 3) summarize the demographics of...
Authors
Shannon K. Brewer, John Dattilo, Paul Ramsey, Ben Birdsall
Effects of vehicle traffic on space use and road crossings of caribou in the Arctic Effects of vehicle traffic on space use and road crossings of caribou in the Arctic
Assessing the effects of industrial development on wildlife is a key objective of managers and conservation practitioners. However, wildlife responses are often only investigated with respect to the footprint of infrastructure, even though human activity can strongly mediate development impacts. In Arctic Alaska, there is substantial interest in expanding energy development, raising...
Authors
John P. Severson, Heather E. Johnson, Timothy C. Vosburgh
Spatial variation in density of American black bears in northern Yellowstone National Park Spatial variation in density of American black bears in northern Yellowstone National Park
The quality and availability of resources are known to influence spatial patterns of animal density. In Yellowstone National Park, relationships between the availability of resources and the distribution of grizzly bears (Ursus arctos) have been explored but have yet to be examined in American black bears (Ursus americanus). We conducted non-invasive genetic sampling during 2017–2018...
Authors
Nathaniel R. Bowersock, Andrea R. Litt, Michael A. Sawaya, Kerry A. Gunther, Frank T. van Manen
How long do runoff-generated debris-flow hazards persist after wildfire? How long do runoff-generated debris-flow hazards persist after wildfire?
Runoff-generated debris flows are a potentially destructive and deadly response to wildfire until sufficient vegetation and soil-hydraulic recovery have reduced susceptibility to the hazard. Elevated debris-flow susceptibility may persist for several years, but the controls on the timespan of the susceptible period are poorly understood. To evaluate the connection between vegetation...
Authors
Andrew Paul Graber, Matthew A. Thomas, Jason W. Kean
Lateral edifice collapse and volcanic debris avalanches: A post-1980 Mount St. Helens perspective Lateral edifice collapse and volcanic debris avalanches: A post-1980 Mount St. Helens perspective
The 1980 eruption of Mount St. Helens was instrumental in advancing understanding of how volcanoes work. Lateral edifice collapses and the generation of volcanic debris avalanches were not widely recognized prior to that eruption, making assessment of their hazards and risks challenging. The proliferation of studies since 1980 on resulting deposits and evaluation of processes leading to...
Authors
Lee Siebert, Mark E. Reid
Monitoring sediment transport pathways from an artificial nearshore berm, South Padre Island, Texas, USA, August 2018 to November 2019: Implications for coastal management Monitoring sediment transport pathways from an artificial nearshore berm, South Padre Island, Texas, USA, August 2018 to November 2019: Implications for coastal management
During August 2018 – November 2019, the transport pathways of dredge material from a specially constructed nearshore feeder berm were investigated as part of a collaborative study by the City of South Padre Island, U.S. Army Corps of Engineers–Galveston District, U.S. Geological Survey, Partrac GeoMarine Inc., and Texas A&M University, into the efficacy of beneficial use dredge material...
Authors
Darwin Ockerman, Douglas James Schnoebelen, Jack Poleykett, Patrick L. Friend, Coraggio K. Maglio, Kristina Boburka
Predatory impacts of invasive Blue Catfish in an Atlantic coast estuary Predatory impacts of invasive Blue Catfish in an Atlantic coast estuary
Objective Predatory invasive fishes may consume species of management interest and alter food webs. Blue Catfish Ictalurus furcatus is a large-bodied, salinity-tolerant species that exhibits broad diet breadth and preys on species of both conservation concern and fisheries management interest. To better understand the ecological consequences of the establishment of Blue Catfish fisheries...
Authors
Corbin David Hilling, Joseph Schmitt, Yan Jiao, Donald J. Orth