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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.

Filter Total Items: 175531

Event classification, seismicity, and eruption forecasting at Great Sitkin Volcano, Alaska: 1999–2023 Event classification, seismicity, and eruption forecasting at Great Sitkin Volcano, Alaska: 1999–2023

The frequency content of volcanogenic seismicity is often used to classify events and their spatial and temporal progression is then used to map subsurface volcanic processes. The progression of volcano-seismic events and associated source processes also plays a critical role in eruption forecasting. Here we develop and evaluate a computerized methodology for characterizing volcano...
Authors
John Power, Diana Roman

Grammar To Graph, an approach for semantic transformation of annotations to triples Grammar To Graph, an approach for semantic transformation of annotations to triples

Linguistic representation of geographic knowledge is semantically complex and particularly challenging when employing geographic information technology to automate interpreted analysis dealing with unstructured knowledge. This study describes an approach called GrammarToGraph (G2G) that applies dependency grammar rules through natural language processing to transform annotation data into
Authors
Dalia E. Varanka, Emily Abbott

U.S. Geological Survey climate science plan—Future research directions U.S. Geological Survey climate science plan—Future research directions

Executive Summary Climate is the primary driver of environmental change and is a key consideration in defining science priorities conducted across all mission areas in the U.S. Geological Survey (USGS). Recognizing the importance of climate change to its future research agenda, the USGS’s Climate Science Steering Committee requested the development of a Climate Science Plan to identify...
Authors
Tamara Wilson, Ryan P. Boyles, Nicole DeCrappeo, Judith Z. Drexler, Kevin D. Kroeger, Rachel A. Loehman, John M. Pearce, Mark P. Waldrop, Peter D. Warwick, Anne M. Wein, Sara L. Zeigler, Beard

Design, development, and implementation of IsoBank: A centralized repository for isotopic data Design, development, and implementation of IsoBank: A centralized repository for isotopic data

Stable isotope data have made pivotal contributions to nearly every discipline of the physical and natural sciences. As the generation and application of stable isotope data continues to grow exponentially, so does the need for a unifying data repository to improve accessibility and promote collaborative engagement. This paper provides an overview of the design, development, and...
Authors
Oliver N. Shipley, Anna J. Dabrowski, Gabriel J. Bowen, Brian Hayden, Jonathan N. Pauli, Christopher Jordan, Lesleigh Anderson, Adriana Bailey, Clement P. Bataille, Carla Cicero, Hilary G. Close, Craig Cook, Joseph A. Cook, Ankur R. Desai, Jaivime Evaristo, Tim R. Filley, Christine France, Sora Lee Kim, Sebastian H. Kopf, Julie Loisel, Philip J. Manlick, Jamie M. McFarlin, Bailey C. McMeans, Tamsin C. O’Connel, Brice X. Semmens, Chris Stantis, Paul Szejner, Suzanne E. Pilaar Birch, Annie L. Putman, Craig A. Stricker, Tara L.E. Trammell, Mark D. Uhen, Samantha Weintraub-Leff, Matthew J. Wooller, John W. Williams, Christopher T. Yarnes, Hanna B. Vander Zanden, Seth D. Newsome

Functional turnover in a prairie-river fish community over 130 years Functional turnover in a prairie-river fish community over 130 years

Objective In many Great Plains rivers, functional turnover—the change in proportional dominance of members in biological communities that fill certain ecological roles—has occurred due to impoundment and habitat alteration. The Powder River of Montana and Wyoming remains one of the few unregulated prairie rivers, but long-term monitoring is limited, so we analyzed changes over time at...
Authors
Niall G. Clancy, Jonathan A. McFarland, Megan G. Ahern, Annika W. Walters

Impacts of wildfire runoff on giant kelp in Malibu, California Impacts of wildfire runoff on giant kelp in Malibu, California

This study investigates the effects of post-wildfire sediment runoff on giant kelp (Macrocystis pyrifera) populations in Malibu, California, following the 2018 Woolsey Fire. The research utilizes satellite data and the Soil and Water Assessment Tool (SWAT) to assess changes in sediment delivery and its correlation with reduced kelp abundance. Findings indicate a significant decrease in...
Authors
Lori A Berberian, Christine M. Lee, Erin L. Hestir, Kyle C. Cavanaugh, Amanda M Lopez, Carmen Blackwood, Dulcinea Marie Avouris
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