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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Filter Total Items: 175531
Bølling-Allerød productivity in the subarctic Pacific driven by seasonal upwelling Bølling-Allerød productivity in the subarctic Pacific driven by seasonal upwelling
The Bølling-Allerød deglacial event is marked by high diatom productivity and opal deposition throughout the subarctic Pacific. This opal could either constitute a strengthened biological pump and thus carbon sequestration, or a weakened biological pump and release of marine-sequestered CO2 to the atmosphere. We quantify silicic acid supply at IODP Site U1340 in the Bering Sea using...
Authors
Kimberly A. deLong, Terrence Blackburn, Beth Elaine Caissie, Jason A. Addison, Zuzanna Stroynowski, Maria R. Sipala, Franco Marcantonio, Ana Christina Ravelo
Evaluation of SARS-CoV-2 antibody detection methods for wild Cervidae Evaluation of SARS-CoV-2 antibody detection methods for wild Cervidae
Wildlife surveillance programs often use serological data to monitor exposure to pathogens. Diagnostic sensitivity and specificity of a serological assay quantify the true positive and negative rates of the diagnostic assay, respectively. However, an assay’s accuracy can be affected by wild animals’ pathogen exposure history and quality of the sample collected, requiring separate...
Authors
Joshua Hewitt, Grete Wilson-Henjum, Jeffrey C. Chandler, Aaron T. Phillips, Diego G. Diel, W. David Walter, Alec Baker, Jennifer Høy-Petersen, Guillaume Bastille-Rousseau, Tadao Kishimoto, George Wittemyer, Jeremy Alder, Sara Hathaway, Kezia R. Manlove, Travis Gallo, Jennifer Mullinax, Carson Coriell, Matthew Payne, Meggan E. Craft, Tyler J. Garwood, Tiffany M. Wolf, Maria A. Diuk-Wasser, Meredith C. VanAcker, Laura Dudley Plimpton, Mark Q. Wilber, Daniel Grove, Justin Koseiwska, Lisa I. Muller, Kim M. Pepin
Prospectivity modeling of the NASA VIPER landing site at Mons Mouton near the Lunar South Pole Prospectivity modeling of the NASA VIPER landing site at Mons Mouton near the Lunar South Pole
We use a high-resolution digital elevation model and a numerical thermal model to produce a variety of inputs for a water-ice prospectivity model for the Volatiles Investigating Polar Exploration Rover (VIPER) landing site. These input data are maps of topography, surface slope, surface aspect, surface curvature, maximum temperature, depth to ice stability, permanently shadowed regions...
Authors
Joshua Aaron Coyan, Matthew A. Siegler, José Martinez-Comacho, Ross A. Beyer, Mark Shirley
Broadband stochastic simulation of earthquake ground motions with multiple strong phases with an application to the 2023 Kahramanmaraş, Turkey (Türkiye), earthquake Broadband stochastic simulation of earthquake ground motions with multiple strong phases with an application to the 2023 Kahramanmaraş, Turkey (Türkiye), earthquake
Stochastic ground motion simulation models are often less accurate at lower frequencies than at higher frequencies when fitting recorded data unless supplemented by a deterministic forward directivity velocity pulse model. Moreover, time-modulated stochastic models, which adjust ground motion amplitudes over time, typically use functions that fail to capture multiple strong-motion phases...
Authors
S. M. Sajad Hussaini, Shaghayegh Karimzadeh, Sanaz Rezaeian, Paulo B. Lourenco
Daily survival rate and nest-site selection of Zone-tailed Hawks (Buteo albonotatus) in the Chihuahuan Desert ecoregion of Texas Daily survival rate and nest-site selection of Zone-tailed Hawks (Buteo albonotatus) in the Chihuahuan Desert ecoregion of Texas
The Zone-tailed Hawk (Buteo albonotatus) is one of the least studied raptors in North America and lacks contemporary literature allowing informed management decisions for this species. Zone-tailed Hawks occupy rugged areas in the southwestern region of the United States and are listed as state threatened in Texas. Our objectives were to assess habitat, productivity, and daily survival...
Authors
Caroline Skidmore, Clint W. Boal, Ben R. Skipper, Russell Martin
Reproductive habitat mismatch influences chytrid infection dynamics in a tropical amphibian community Reproductive habitat mismatch influences chytrid infection dynamics in a tropical amphibian community
Batrachochytrium dendrobatidis (Bd) has been decimating amphibian populations globally; previous work indicates that infection risk increases with moisture and thermal mismatch from a host’s optimum. We hypothesized that, in addition to these abiotic influences, mismatch of hosts from their reproductive habitat heightens infection risk via exposure and/or susceptibility mechanisms. We...
Authors
Neil A. Gilbert, Rayna C. Bell, Alessandro Catenazzi, Renato A. Martins, Shannon Buttimer, Wesley J. Neely, Carolina Lambertini, Veronica Saenz Calderon, Célio F.B. Haddad, C. Guilherme Becker, Graziella Vittoria DiRenzo
Detection of landslide-generated tsunami by shipborne GNSS precise point positioning Detection of landslide-generated tsunami by shipborne GNSS precise point positioning
Precise point positioning (PPP) of ships using Global Navigation Satellite System (GNSS) data reveals the precise movements of marine vessels. This method may quantify anomalies in sea surface height with implications for oceanographic monitoring, exploration, and tsunami warning. The GNSS PPP data from the R/V Sikuliaq, a research ship of the University of Alaska Fairbanks, were...
Authors
Adam E. Manaster, Anne F Sheehan, Dara Elyse Goldberg, Katherine R. Barnhart, Ethan F. Roth
Destruction and transformation: Lessons learned from the 2015 Gorkha, Nepal, earthquake Destruction and transformation: Lessons learned from the 2015 Gorkha, Nepal, earthquake
No abstract available.
Authors
Surya Narayan Shrestha, Susan E. Hough
Footprints of past mining in Alaska (USA) derived from high-resolution satellite imagery Footprints of past mining in Alaska (USA) derived from high-resolution satellite imagery
Mapping the land area used for mining in the past is essential for guiding the remediation of affected landscapes and assessing the resource potential of related waste products. Despite significant recent progress delineating footprints of active and inactive mining globally, the known inventory of such mine lands remains incomplete. Here, I describe a new map dataset of footprints of...
Authors
Adrian Bender
Genetic structure and diversity in wild populations of the Light-footed Ridgway’s Rail reflect 20 years of augmentation through captive breeding and release Genetic structure and diversity in wild populations of the Light-footed Ridgway’s Rail reflect 20 years of augmentation through captive breeding and release
Captive breeding and release programs aimed at recovery of rare species can be informed by genetic data to help select high-diversity source populations, make pairing decisions to minimize inbreeding, and manage release strategies. We developed a set of 54 microsatellite loci to assess genetic structure and diversity across the United States range of the Light-footed Ridgway’s Rail...
Authors
Amy G. Vandergast, Julia G. Smith, Anna Mitelberg, Dustin A. Wood, Kimberley A. Sawyer, Courtney J. Conway
Satellite imagery can predict bird species occupancy and inform multispecies management in pine savannas Satellite imagery can predict bird species occupancy and inform multispecies management in pine savannas
Multispecies management can contribute to meeting growing challenges of preserving biodiversity, yet current game and threatened species management often focuses on individual species. Satellite imagery available at high spatial and temporal resolution provides a potential tool to overcome the challenge posed by multispecies management of linking patterns of habitat use among species. We...
Authors
Cory R. Allred, Todd M. Schneider, Elizabeth Ann Hunter
U.S. Geological Survey 2024 Rocky Mountain Region Science Exchange—Showcasing cutting-edge science to adapt to extreme weather events and stakeholder needs U.S. Geological Survey 2024 Rocky Mountain Region Science Exchange—Showcasing cutting-edge science to adapt to extreme weather events and stakeholder needs
Introduction The Rocky Mountains and the Colorado River Basin in the Western United States are complex, interconnected systems that sustain a large variety of species, including tens of millions of humans. These regions face risks from drought, wildfires, invasive plant and animal species, and habitat reduction. Working with many stakeholders, scientists can help to characterize these...
Authors
William J. Andrews, Timothy N. Titus, Lauren Ellissa Eng, Kristine L. Zellman, Patrick J. Anderson, Jeremy C. Havens