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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Hidden Markov movement models reveal diverse seasonal movement patterns in two North American ungulates Hidden Markov movement models reveal diverse seasonal movement patterns in two North American ungulates
Animal movement is the mechanism connecting landscapes to fitness, and understanding variation in seasonal animal movements has benefited from the analysis and categorization of animal displacement. However, seasonal movement patterns can defy classification when movements are highly variable. Hidden Markov movement models (HMMs) are a class of latent-state models well-suited to modeling...
Authors
J. Terrill Paterson, Aaron N. Johnston, Anna Ortega, Cody F. Wallace, Matthew J. Kauffman
Comparing sediment microbial communities of Arctic beaver ponds to tundra lakes and streams Comparing sediment microbial communities of Arctic beaver ponds to tundra lakes and streams
In recent decades the habitat of North American beaver (Castor canadensis) has expanded from boreal forests into Arctic tundra ecosystems. Beaver ponds in Arctic watersheds are known to alter stream biogeochemistry, which is likely coupled with changes in the activity and composition of microbial communities inhabiting beaver pond sediments. We investigated bacterial, archaeal, and...
Authors
Kelly Shannon, Natasha R. Christman, Byron C. Crump, Michael P. Carey, Joshua C. Koch, Laura L. Lapham, Jonathan A. O’Donnell, Brett A. Poulin, Ken D. Tape, Jason A. Clark, Frederick S. Colwell
Modeling global indices for estimating non-photosynthetic vegetation cover Modeling global indices for estimating non-photosynthetic vegetation cover
Non-photosynthetic vegetation (NPV) includes plant litter, senesced leaves, and crop residues. NPV plays an essential role in terrestrial ecosystem processes, and is an important indicator of drought severity, ecosystem disturbance, agricultural resilience, and wildfire danger. Current moderate spatial resolution multispectral satellite systems (e.g., Landsat and Sentinel-2) have only a...
Authors
Phillip Dennison, Brian T. Lamb, Michael J. Campbell, Raymond F. Kokaly, W. Dean Hively, Eric F. Vermote, Philip W. Dabney, Guy Serbin, Miguel Quemada, Craig S.T. Daughtry, Jeffery G. Masek, Zhuoting Wu
Compressional-wave seismic velocity, bulk density, and their empirical relations for geophysical modeling of the Midcontinent Rift System in the Lake Superior region Compressional-wave seismic velocity, bulk density, and their empirical relations for geophysical modeling of the Midcontinent Rift System in the Lake Superior region
Compressional-wave seismic velocity (velocity) and bulk density (density) data were compiled from published sources for rock suites and earth materials that are significant for geophysical modeling of the Mesoproterozoic Midcontinent Rift System in the Lake Superior region. The data include laboratory measurements of outcrop and drill core samples, seismic refraction studies, and a sonic...
Authors
V. J. S. Grauch
The global wildland-urban interface The global wildland-urban interface
The wildland–urban interface (WUI) is where buildings and wildland vegetation meet or intermingle. It is where human–environmental conflicts and risks can be concentrated, including the loss of houses and lives to wildfire, habitat loss and fragmentation and the spread of zoonotic diseases. However, a global analysis of the WUI has been lacking. Here, we present a global map of the 2020...
Authors
F. Schug, Avi Bar-Massada, Amanda Renee Carlson, H. Cox, Todd Hawbaker, D. Helmers, Patrick Hostert, D. Kaim, Neda K. Kasraee, S. Martinuzzi, Miranda H. Mockrin, Kira A. Pfoch, Volker C. Radeloff
ECCOE Landsat quarterly Calibration and Validation report—Quarter 1, 2023 ECCOE Landsat quarterly Calibration and Validation report—Quarter 1, 2023
Executive Summary The U.S. Geological Survey Earth Resources Observation and Science Calibration and Validation (Cal/Val) Center of Excellence (ECCOE) focuses on improving the accuracy, precision, calibration, and product quality of remote-sensing data, leveraging years of multiscale optical system geometric and radiometric calibration and characterization experience. The ECCOE Landsat...
Authors
Md Obaidul Haque, Rajagopalan Rengarajan, Mark Lubke, Nahid Hasan, Ashish Shrestha, Fatima Tuz Zafrin Tuli, Jerad L. Shaw, Alex Denevan, Shannon Franks, Esad Micijevic, Michael J. Choate, Cody Anderson, Kurt Thome, Ed Kaita, Julia Barsi, Raviv Levy, Jeff Miller
Turbulence near a sandbar island in the lower Missouri River Turbulence near a sandbar island in the lower Missouri River
River turbulence is spatially variable due to interactions between morphology of rivers and physical mechanics of flowing water. Understanding the variation of turbulence in rivers is important for characterizing transport processes of soluble and particulate materials in these systems. We present an exploratory effort to understand ecologically relevant flow patterns using measurements...
Authors
Geng Li, Caroline M. Elliott, Bruce Call, Brandon James Sansom, R. B. Jacobson, Bin Wang
Closing the gap between science and management of cold-water refuges in rivers and streams Closing the gap between science and management of cold-water refuges in rivers and streams
Human activities and climate change threaten coldwater organisms in freshwater ecosystems by causing rivers and streams to warm, increasing the intensity and frequency of warm temperature events, and reducing thermal heterogeneity. Cold-water refuges are discrete patches of relatively cool water that are used by coldwater organisms for thermal relief and short-term survival. Globally...
Authors
Francine H. Mejia, Valerie Ouellet, Martin A. Briggs, Stephanie M. Carlson, Rose Casas-Mulet, Mollie Chapman, Matthias J. Collins, Stephen J. Dugdale, Joseph L. Ebersole, Danielle M. Frechette, Aimee H. Fullerton, Carol-Anne Gillis, Zachary Johnson, Christa Kelleher, Barret L. Kurylyk, Rebecca Lave, Benjamin Letcher, Knut M. Myrvold, Tracie-Lynn Nadeau, Helen Neville, Herve Piégay, Kathryn E. Smith, Diego Tonolla, Christian E. Torgersen
Tire-derived transformation product 6PPD-quinone induces mortality and transcriptionally disrupts vascular permeability pathways in developing coho salmon Tire-derived transformation product 6PPD-quinone induces mortality and transcriptionally disrupts vascular permeability pathways in developing coho salmon
Urban stormwater runoff frequently contains the car tire transformation product 6PPD-quinone, which is highly toxic to juvenile and adult coho salmon (Onchorychus kisutch). However, it is currently unclear if embryonic stages are impacted. We addressed this by exposing developing coho salmon embryos starting at the eyed stage to three concentrations of 6PPD-quinone twice weekly until...
Authors
Justin Blaine Greer, Ellie Maureen Dalsky, Rachael F. Lane, John D. Hansen
Crustal structure across the central Dead Sea Transform and surrounding areas: Insights into tectonic processes in continental transforms Crustal structure across the central Dead Sea Transform and surrounding areas: Insights into tectonic processes in continental transforms
New geophysical profiles across the central Dead Sea Transform (DST) near the Sea of Galilee, Israel, and surrounding highlands, augmented by static stress modeling, allow us to study continental transform plate deformation. The DST separates a ∼10 km thick sedimentary column above a thinned (16–23 km) crust to the west from a ∼7 km column above a ∼30-km thick crust to the east. Crustal...
Authors
Uri S. ten Brink, Eldad Levi, Claudia Flores, Ivan Koulakov, Nadav Bronshtein, Zvi Ben-Avraham
Camera trap distance sampling survey design, Andersen Airforce Base, Guam Camera trap distance sampling survey design, Andersen Airforce Base, Guam
Reliable population estimates of animal density is one of the most elementary needs for the control and management of wildlife, particularly for introduced ungulates on oceanic islands. On Guam, Philippine deer (Rusa marianna) and wild pigs (Sus scrofa; wild boar and descendants of domestic pigs) cause agricultural and ecological damage and are hunted for recreational, nutritional, and...
Authors
Richard J. Camp, Trevor M. Bak
Assessment of factors that influence human water demand for Providence, Rhode Island Assessment of factors that influence human water demand for Providence, Rhode Island
To determine the most relevant climatic and economic factors driving water demand for Providence, Rhode Island, and to further the understanding of human interactions with water availability, linear regression models were developed to estimate single-family and multifamily residential, commercial, and industrial water demand for the service area of Providence Water for 2014–21. Monthly...
Authors
Timothy J. Stagnitta, Laura Medalie