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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Probabilistic source classification of large tephra producing eruptions using supervised machine learning: An example from the Alaska-Aleutian arc
Alaska contains over 130 volcanoes and volcanic fields that have been active within the last 2 million years. Of these, roughly 90 have erupted during the Holocene, with many characterized by at least one large explosive eruption. These large tephra-producing eruptions (LTPEs) generate orders of magnitude more erupted material than a “typical” arc explosive eruption and distribute ash thousands of
Authors
Jordan Edward Lubbers, Matthew W. Loewen, Kristi L. Wallace, Michelle L. Coombs, Jason A. Addison
CreelCat, a Catalog of United States Inland Creel and Angler Survey Data
The United States Inland Creel and Angler Survey Catalog (CreelCat) contains a national compilation of angler and creel survey data collected by natural resource management agencies across the United States (including Washington, D.C. and Puerto Rico). These surveys are used to help inform the management of recreational fisheries, by collecting information about anglers including what they are cat
Authors
Nicholas Allen Sievert, Abigail Lynch, Holly Susan Embke, Ashley Robertson, Mitchel Lang, Anna Kaz, Matthew Robertson, Steve R. Midway, Lyndsie S. Wszola, Craig Paukert
Biodiversity connections—‘ties that bind’
Connectivity is a foundational concept in ecology and conservation and was the organising theme for the 2022 Annual Meeting of the Southeastern Fishes Council, a professional organisation dedicated to the study and conservation of freshwater fishes native to the southeast region of the United States (US). We introduce a Special Contribution of six papers selected from presentations at that meeting
Authors
Mary Freeman, Duncan Elkins, Brett Albanese
Growth of coal mining operations in the Elk River Valley (Canada) linked to increasing solute transport of Se, NO3-, and SO42- into the transboundary Koocanusa Reservoir (USA-Canada)
Koocanusa Reservoir (KOC) is a waterbody that spans the United States (U.S.) and Canadian border. Increasing concentrations of total selenium (Se), nitrate + nitrite (NO3–, nitrite is insignificant or not present), and sulfate (SO42–) in KOC and downstream in the Kootenai River (Kootenay River in Canada) are tied to expanding coal mining operations in the Elk River Watershed, Canada. Using a paire
Authors
Meryl Biesiot Storb, Ashley Morgan Bussell, Sara L. Caldwell Eldridge, Robert M. Hirsch, Travis S. Schmidt
High-resolution geophysical and geochronological analysis of a relict shoreface deposit offshore central California: Implications for slip rate along the Hosgri fault
The Cross-Hosgri slope is a bathymetric lineament that crosses the main strand of the Hosgri fault offshore Point Estero, central California. Recently collected chirp seismic reflection profiles and sediment cores provide the basis for a reassessment of Cross-Hosgri slope origin and the lateral slip rate of the Hosgri fault based on offset of the lower slope break of the Cross-Hosgri slope. The Cr
Authors
Jared W. Kluesner, Samuel Y. Johnson, Stuart P. Nishenko, Elisa Medri, Alex Simms, Gary Greene, Harrison J. Gray, Shannon A. Mahan, Jason Scott Padgett, Emma Taylor Krolczyk, Daniel S. Brothers, James E. Conrad
Foundations of modeling resilience of tidal saline wetlands to sea-level rise along the U.S. Pacific Coast
Context Tidal saline wetlands (TSWs) are highly threatened from climate-change effects of sea-level rise. Studies of TSWs along the East Coast U.S. and elsewhere suggest significant likely losses over coming decades but needed are analytic tools gauged to Pacific Coast U.S. wetlands.Objectives We predict the impacts of sea-level rise (SLR) on the elevation capital (vertical) and migration potentia
Authors
Bruce G. Marcot, Karen M. Thorne, Joel A. Carr, Glenn R. Guntenspergen
Field observations and long short-term memory modeling of spectral wave evolution at living shorelines in Chesapeake Bay, USA
Living shorelines as a nature-based solution for climate change adaptation were constructed in many places around the world. The success of this type of projects requires long-term monitoring for adaptive management. The paper presents a novel framework leveraging scientific machine learning methods for accurate and rapid prediction of long-term hydrodynamic forcing impacting living shorelines usi
Authors
Nan Wang, Q. Chen, Hongqing Wang, William D. Capurso, L.M. Niemoczynski, Ling Zhu, Gregg Snedden
Rapid surface rupture mapping from satellite data: The 2023 Kahramanmaraş, Turkey (Türkiye), earthquake sequence
The 6 February 2023 Kahramanmaraş, Turkey (Türkiye), earthquake sequence produced > 500 km of surface rupture primarily on the left‐lateral East Anatolian (~345 km) and Çardak (~175 km) faults. Constraining the length and magnitude of surface displacement on the causative faults is critical for loss estimates, recovery efforts, rapid identification of impacted infrastructure, and fault displacemen
Authors
Nadine G. Reitman, Richard W. Briggs, William D. Barnhart, Alexandra Elise Hatem, Jessica Ann Thompson Jobe, Christopher DuRoss, Ryan D. Gold, John David Mejstrik, Camille Collett, Richard D Koehler, Sinan Akçiz
Degradation kinetics of veterinary antibiotics and estrogenic hormones in a claypan soil
Veterinary antibiotics and estrogens are excreted in livestock waste before being applied to agricultural lands as fertilizer, resulting in contamination of soil and adjacent waterways. The objectives of this study were to 1) investigate the degradation kinetics of the VAs sulfamethazine and lincomycin and the estrogens estrone and 17β-estradiol in soil mesocosms, and 2) assess the effect of the p
Authors
Adam H. Moody, Robert N. Lerch, Keith Goyle, Stephen H. Anderson, David Mendoza-Cózatl, David Alvarez
Evidence for a high-level porphyritic intrusion below the Sunnyside epithermal vein deposit, Colorado
High-temperature quartz veins were identified in drill core at ~600 m below the Sunnyside epithermal base and pre-cious metal deposit in southwestern Colorado. The veins consist of early anhedral quartz that shows a bluish ca-thodoluminescence emission and hosts heterogenous silicate melt inclusions. The early quartz is overgrown by a later generation of quartz that exhibits euhedral termina-tions
Authors
Mario A Guzman, Thomas Monecke, T. James Reynolds, Thomas J. Casadevall
Geology of the Mount Rogers area, revisited: Evidence of Neoproterozoic continental rifting, glaciation, and the opening and closing of the Iapetus Ocean, Blue Ridge, VA–NC–TN
Recent field and geochronological studies in eight 7.5-minute quadrangles near Mount Rogers in Virginia, North Carolina and Tennessee recognize (1) important stratigraphic and structural relationships for the Neoproterozoic Mount Rogers and Konnarock Formations, and the northeast end of the Mountain City window; (2) the separation of Mesoproterozoic rocks of the Blue Ridge into three age groups; a
Authors
Arthur J. Merschat, Ryan J. McAleer, Christopher Holm-Denoma, C. Scott Southworth
Resistivity imaging over porphyry copper systems in the Red Mountain district, southwest Colorado, USA
The Red Mountain district in southwestern Colorado produced base and precious metals hosted in breccia pipes and vein structures related to an extensive lithocap that overlies pervasive quartz-sericite-pyrite alteration. A helicopter-borne time-domain electromagnetic survey flown over the district yielded resistivity values that range from tens to thousand or more ohm-m, with lesser resistivity va
Authors
Eric D. Anderson, Maryla Deszcz-Pan, Douglas Yager, Kyle Eastman, Bennett Eugene Hoogenboom