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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Modelling the transport and deposition of ash following a magnitude 7 eruption: The distal Mazama tephra Modelling the transport and deposition of ash following a magnitude 7 eruption: The distal Mazama tephra
Volcanic ash transport and dispersion models (VATDMs) are necessary for forecasting tephra dispersal during volcanic eruptions and are a useful tool for estimating the eruption source parameters (ESPs) of prehistoric eruptions. Here we use Ash3D, an Eulerian VATDM, to simulate the tephra deposition from the ~ 7.7 ka climactic eruption of Mount Mazama. We investigate how best to apply a...
Authors
Hannah Maeve Buckland, Larry G. Mastin, Samantha Engwell, Katharine V. Cashman
Movement of white‐tailed deer in contrasting landscapes influences management of chronic wasting disease Movement of white‐tailed deer in contrasting landscapes influences management of chronic wasting disease
Chronic wasting disease (CWD) continues to expand in distribution and prevalence across North America. Upon detection, either for the first time in a novel area or in a region with an existing outbreak, wildlife management agencies are tasked with responding to mitigate the disease. This response often entails creation or modification of a management zone with modified rules and...
Authors
Christopher S. Jennelle, W. David Walter, Joanne Crawford, Christopher S. Rosenberry, Bret D. Wallingford
Microgravity change during the 2008-2018 Kı̄lauea summit eruption: Nearly a decade of subsurface mass accumulation Microgravity change during the 2008-2018 Kı̄lauea summit eruption: Nearly a decade of subsurface mass accumulation
Results from nine microgravity campaigns from Kı̄lauea, Hawaiʻi, spanning most of the volcano's 2008–2018 summit eruption, indicate persistent mass accumulation at shallow levels. A weighted least squares approach is used to recover microgravity results from a network of benchmarks around Kı̄lauea's summit, eliminate instrumental drift, and restore suspected data tares. A total mass of 1...
Authors
Mathijs R. Koymans, Elske de Zeeuw-van Dalfsen, Laslo G. Evers, Michael P. Poland
Boiga irregularis (brown treesnake) Boiga irregularis (brown treesnake)
No abstract available.
Authors
Patrick D Barnhart, Zachary C. Quiogue, Elisabeth Frasch, Diane Vice, Charlene Beverly Hopkins, Amy A. Yackel Adams, Robert Reed, Melia Gail Nafus
Advancing geophysical techniques to image a stratigraphic hydrothermal resource Advancing geophysical techniques to image a stratigraphic hydrothermal resource
Sedimentary-hosted geothermal energy systems are permeable structural, structural-stratigraphic, and/or stratigraphic horizons with sufficient temperature for direct use and/or electricity generation. Sedimentary-hosted (i.e., stratigraphic) geothermal reservoirs may be present in multiple locations across the central and eastern Great Basin of the USA, thereby constituting a potentially...
Authors
Paul Schwering, Carmen Winn, Piyoosh Jaysaval, Hunter Knox, Drew L. Siler, Christian Hardwick, Bridget Ayling, James Faulds, Elijah Mlawsky, Emma McConville, Jack Norbeck, Nicholas Hinz, Gabe Matson, John Queen
Great Lakes spatial priorities study Great Lakes spatial priorities study
Spatial data about the bathymetry, habitat characteristics, underlying geology, and other features of the ocean and inland seas are essential for decision-making. Marine research and management organizations use these data to help ensure safe navigation, promote sustainable fisheries, extract energy, and protect marine habitats in the coastal and ocean waters of the U.S. Exclusive...
Authors
Karen Gouws, Ashley Chappell, Meredith Westington, Cathleen Yung, Peter C. Esselman, Linden Brinks, Timothy Kearns, Xiaofan Zhang, Brandon Krumwiede, Ken Buja
The centenary of IAVCEI 1919–2019 and beyond: The people, places, and things of volcano geodesy The centenary of IAVCEI 1919–2019 and beyond: The people, places, and things of volcano geodesy
Over the first century of the International Association of Volcanology and Chemistry of the Earth’s Interior (IAVCEI), volcano geodesy grew from roots as an accidental and incidental system of measurements to an important method for monitoring volcanic activity and forecasting eruptions. The first practitioners in volcano geodesy were experts in other disciplines, and it was not until...
Authors
Michael P. Poland, Elske de Zeeuw-van Dalfsen
Seasonal context of bristly cave crayfish Cambarus setosus habitat use and life history Seasonal context of bristly cave crayfish Cambarus setosus habitat use and life history
Cave crayfishes are important members of groundwater communities, but many cave crayfishes are threatened or endangered. Unfortunately, we lack basic life history and ecological data that are needed for developing conservation plans for most cave crayfishes, especially the role of seasonal and annual fluctuations in structuring populations. Therefore, we determined the seasonal life...
Authors
J.B. Mouser, D.C. Ashley, D.L. Zenter, Shannon K. Brewer
Open knowledge network roadmap: Powering the next data revolution Open knowledge network roadmap: Powering the next data revolution
Open access to shared information is essential for the development and evolution of artificial intelligence (AI) and AI-powered solutions needed to address the complex challenges facing the nation and the world. The Open Knowledge Network (OKN), an interconnected network of knowledge graphs, would provide an essential public-data infrastructure for enabling an AI-driven future. It would...
Authors
Chaitan Baru, Martin Halbert, Lara Campbell, Tess DeBlanc-Knowles, Jemin George, Wo Chang, Adam Pah, Douglas Maughan, Ilya Zaslavsky, Amanda Stathopoulos, Ellie Young, Kat Albrecht, Amit Sheth, Emanuel Sallinger, Katerine Osatuke, Angela Rizk-Jackson, Eric Jahn, Kenneth Berkowitz, Bandana Kar, Erica Smith, Krzystof Janowicz, Brian Handspicker, Esther Jackson, Lauren Sanders, Chengkai Li, Florence Hudson, Lilit Yeghiazarian, Cogan Shimizu, Glenn Ricart, Louiqa Raschid, Dalia E. Varanka, Greg Seaton, Luis Amaral, Oktie Hassanzadeh, Silviu Cucerzan, Matt Bishop, Ora Lassila, Sharat Israni, Matthew Lange, Pascal Hitzler, Ryan McGranaghan, Michael Cafarella, Paul Wormeli, Todd Bacastow, Sam Klein, Murat Omay, Sergio Baranzini, Ying Ding, Nariman Ammar
Basis for technical guidance to evaluate evapotranspiration covers Basis for technical guidance to evaluate evapotranspiration covers
This report provides technical guidance to evaluate evapotranspiration (ET) cover design criteria with emphasis on applications to long-term disposal sites such as Uranium Mill Tailings Radiation Control Act of 1978 (UMTRCA) sites. Water balance covers, also known as ET covers, reduce percolation by storing precipitation then allowing vegetation to cycle it back to the atmosphere. For...
Authors
Todd Caldwell, Jena Huntington, Gwendolyn Elizabeth Davies, S. Tabatabai, M. Fuhrmann
Anaxyrus boreas (boreal toad). Egg predation Anaxyrus boreas (boreal toad). Egg predation
No abstract available..
Authors
Benjamin Lafrance, Nina Moore, David S. Pilliod, Erin L. Muths
A process-model perspective on recent changes in the carbon cycle of North America A process-model perspective on recent changes in the carbon cycle of North America
Continental North America has been found to be a carbon (C) sink over recent decades by multiple studies employing a variety of estimation approaches. However, several key questions and uncertainties remain with these assessments. Here we used results from an ensemble of 19 state-of-the-art dynamic global vegetation models from the TRENDYv9 project to improve these estimates and study...
Authors
Guillermo Murray-Tortarolo, Benjamin Poulter, Rodrigo Vargas, Daniel B. Hayes, Anna M. Michalak, Christopher J. Williams, Lisamarie Windham-Myers, Jonathan Wang, Kimberly Wickland, David Butman, Hanqin Tian, Stephen Sitch, Pierre Friedlingstein, Michael O’Sullivan, Peter Briggs, Vivek Arora, Danielle Lombardozzi, Atul Jain, Wenping Yuan, Roland Seferian, Julia Nabel, Andrea Wiltshire, Almuth Arneth, Sebastian Lienerte, Sonke Zaehle, Vladislov Bastrikov, Daniel Goll, Nicholas Vuichard, Anthony P. Walker, Etushi Kato, Yue Xu, Zhen Zhang, Abishek Chaterjee, Werner A. Kurz