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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Resurvey of the Marble Canyon and Bridge Canyon dam sites in Grand Canyon National Park—Changes in sediment storage and evidence supporting the occurrence of bedrock incision through the mid-20th century Resurvey of the Marble Canyon and Bridge Canyon dam sites in Grand Canyon National Park—Changes in sediment storage and evidence supporting the occurrence of bedrock incision through the mid-20th century
The Bureau of Reclamation developed an extensive plan for a network of dams, water tunnels, and hydropower plants in and around Grand Canyon, Arizona, in the 1940s through 1960s. The two largest of these planned dams were the Marble Canyon and Bridge Canyon Dams on the Colorado River. Though these dams were ultimately never built, Reclamation conducted extensive topographic, bathymetric...
Authors
David J. Topping, Joseph E. Hazel, Matthew A. Kaplinski, Paul E. Grams
A methods framework for evaluating measurement consistency across spectrometers for multispectral uncrewed aerial system vegetation mapping applications A methods framework for evaluating measurement consistency across spectrometers for multispectral uncrewed aerial system vegetation mapping applications
The U.S. Geological Survey collects remote sensing data to support national scientific assessments of natural resources, hazards, and landscape change. Spectrometers and spectroradiometers are essential for gathering point-based spectral measurements used in applications such as uncrewed aerial systems (UAS) multispectral image calibration, validation, and analysis. Evaluating how...
Authors
Victoria Mary Scholl, Jennifer Marie Cramer, Alexandra Danielle Evans, Evan Cox, Raymond F. Kokaly
King Rails in southeastern Arkansas are majority resident King Rails in southeastern Arkansas are majority resident
King Rails (Rallus elegans), a declining species of secretive marsh bird, have a mixed migratory strategy, with some individuals migrating and some being year-round residents. Determining the distribution of migratory versus resident King Rails is critical to guiding habitat management and assessing risks to populations. We examined the migratory status of adult King Rails at the Choctaw...
Authors
Jessica M Novobilsky, Caleb Powell Roberts, Jason McCallie, Karen Rowe, Auriel M.V. Fournier
Delayed submarine caldera subsidence creates extreme tsunami hazard Delayed submarine caldera subsidence creates extreme tsunami hazard
The 2022 Hunga volcano eruption generated one of the largest and most destructive volcanic tsunamis ever recorded. We interpret the timing, nature and relative hazard of volcanic-tsunamigenic processes by combining geophysical, oceanographic, atmospheric, and eye-witness observations of this event. Hydro-acoustic signal (T waves) detected on seismic stations up to 2600 km away provided a...
Authors
Shane J. Cronin, Bastian Steinke, Jose C. Borrero, Emile A. Okal, Marta Ribó, Jie Wu, James D.L. White, Marco Brenna, Joali Paredes-Mariño, Mila Huebsch, Rachel Baxter, Ulrich Speidel, Alexa R. Van Eaton, Larry G. Mastin, Michael A. Clare, Isobel A. Yeo, James E. Hunt, Jacob Nash, James B. Garvin, Rennie Vaiomounga, Taaniela Kula, Sung-Hyun Park
Adaptive capacity of alpine fauna in Australia Adaptive capacity of alpine fauna in Australia
Climate change is leading to rapid and unprecedented changes to Australia's alpine ecosystems. The impacts of these changes at a species level are not fully understood, making it challenging to holistically assess the impacts of a changing climate in these ecosystems. To address this gap, we combine a literature review with expert opinion to conduct individual adaptive capacity analyses...
Authors
Eleanor Drinkwater, Lindsey L. Thurman, Hayley Bates, Linda Broome, Nick Clemann, Francisco Encinas-Viso, Madison Fink, Sonya Geange, Margaret L. Haines, Adrienne Nicotra, Tarmo A. Raadik, Ben C. Scheele, Erik Wapstra, Geoffrey M. While, Kate D.L. Umbers
Efficient physics‐informed ground‐motion simulations with reduced‐order models: CyberShake implications and high‐resolution site terms for southern San Andreas fault earthquakes Efficient physics‐informed ground‐motion simulations with reduced‐order models: CyberShake implications and high‐resolution site terms for southern San Andreas fault earthquakes
Recent advances in Probabilistic Seismic Hazard Analysis (PSHA) leverage physics‐based ground‐motion simulations to estimate seismic hazard, such as the CyberShake project. However, computational costs quickly escalate when performing PSHA for numerous faults or sites and can become prohibitively expensive. To reduce computational demands, CyberShake uses reciprocity and interpolates...
Authors
John M. Rekoske, Scott Callaghan, Kevin Ross Milner, Dave A. May, Alice-Agnes Gabriel
Adult sicydiine gobies visually communicate via a spectacular array of signals, ornaments, and behaviours Adult sicydiine gobies visually communicate via a spectacular array of signals, ornaments, and behaviours
Arguably, the most striking aspect of rock-climbing gobies of the subfamily Sicydiinae is their display of colour. Conversely, the taxonomy, biogeography, and migratory aspects of sicydiine biology have progressed much more than has the science of their visual communication and behaviour. Here, we form a virtual team to consolidate and offer our collective experiences in observing...
Authors
Brendan C. Ebner, Jordi Ryall, James Donaldson, David Boseto, Paul Thuesen, Philippe Keith, Clara Lord, Gerard Marquet, Robson Helavao, Helen Larson, Samuel Chak Lam Ho, Raphael Lagarde, Gavin Butler, Richard Blob, Heiko L. Schoenfuss, Takashi Maie, Marion Labeille, James Wong, Timothy Howell, Stuart A. Welsh, Philippe Gerbeaux, Midori Iida, Nozomi Hanahara, Darrell Kemp, Yoshio Suzuki, Ken Maeda
Landscape-scale drivers of bat acoustic activity in the interior mid-Atlantic Landscape-scale drivers of bat acoustic activity in the interior mid-Atlantic
We assessed the landscape scale foraging habitat associations from a multi-year perspective using generalized linear mixed models for nine bat species using bat detectors in the interior mid-Atlantic region of Maryland and Pennsylvania, United States. The landscape use trends we detected included greater Eptesicus fuscus acoustic activity along field edges than in forested habitats, and...
Authors
Zackary W. Isenhour, Katherine M. Gorman, Megan L. Moran, Hila Taylor, W. Mark Ford
An evaluation of transmitter effects on the return rate of adult and juvenile Common Terns to a breeding colony An evaluation of transmitter effects on the return rate of adult and juvenile Common Terns to a breeding colony
Advancements in technology have facilitated a rapid expansion in the range of species for which tracking studies can be implemented. Such efforts often require unique attachment methods or materials for which careful evaluation is required to fully understand potential tagging effects and subsequent implications. During the 2021 breeding season, our research team affixed two types of...
Authors
Jeffery D. Sullivan, Jeffrey A. Spendelow, Samuel J. Denenberg, David F. Brinker, Peter C. McGowan, Carl R. Callahan, Amy W. O’Donnell, John Griffith Crockett, Diann J. Prosser
Geolocator devices did not affect chick growth or adult return rates in Wedge-tailed Shearwaters (Ardenna pacifica) despite interannual variation in chick development Geolocator devices did not affect chick growth or adult return rates in Wedge-tailed Shearwaters (Ardenna pacifica) despite interannual variation in chick development
Although biologging has transformed seabird ecology, bird-borne devices could alter the behaviors being studied, including parental care. We tested for effects of leg-mounted light-level geolocators ( 1% of body mass) on chick growth and adult return rates in Wedge-tailed Shearwaters (‘ua‘u kani, Ardenna pacifica) breeding on O‘ahu, Hawai‘i during two consecutive breeding seasons that...
Authors
Alyssa Piauwadsy, Luke R. Halpin, Josh Adams, James Potemra, K. David Hyrenbach
Site fidelity of American Oystercatcher Haematopus palliatus in the Cape Romain Region, South Carolina, United States of America Site fidelity of American Oystercatcher Haematopus palliatus in the Cape Romain Region, South Carolina, United States of America
Site fidelity of American Oystercatchers Haematopus palliatus to both high-tide roosts and nesting habitats remains less-well studied than other aspects of their ecology. During high tides, shorebirds concentrate at roosts primarily to sleep and preen, and the loss of high-quality roost habitat has been linked to population declines in several species. Similarly, high-quality nesting...
Authors
Felicia J. Sanders, Maina C. Handmaker, Janet M. Thibault, Mark D. Spinks, Nicholas J. Wallover, Samantha A. Collins, Patrick G.R. Jodice
Using high frequency GPS data to assess wintering goose proximity to commercial poultry facilities on the Delmarva peninsula for avian influenza risk management and surveillance Using high frequency GPS data to assess wintering goose proximity to commercial poultry facilities on the Delmarva peninsula for avian influenza risk management and surveillance
The ongoing global outbreak of Highly Pathogenic Avian Influenza Virus (HPAIv) Clade 2.3.4.4 H5N1 in poultry, which was first detected in the United States (USA) in February 2022, underscores the importance of improving food biosecurity and wild bird surveillance. The Delmarva Peninsula is vital to wintering waterfowl and to poultry production, thereby increasing the risk of HPAIv...
Authors
Matthew J. Hardy, Christopher J. Williams, Brian S. Ladman, Maurice E. Pitesky, Cory T. Overton, Michael L. Casazza, Elliott L. Matchett, Diann J. Prosser, Pierre Legagneux, Josée Lefebvre, Jeffrey J. Buler