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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

Gas chemistry and isotope data for volcano monitoring at the Lassen Volcanic Center, Lassen Volcanic National Park Gas chemistry and isotope data for volcano monitoring at the Lassen Volcanic Center, Lassen Volcanic National Park

This report presents chemical and isotopic compositions of volcanic gases collected from thermal areas within Lassen Volcanic National Park in northern California from 1974 through 2019. As the southernmost volcano in the Cascade Range and designated a very-high-threat volcano by the U.S. Geological Survey, the Lassen Volcanic Center (LVC) requires consistent monitoring to assess...
Authors
Deborah Bergfeld, Jennifer L. Lewicki, Sara Peek, Andrew G. Hunt

Getting ahead of the crises: Developing an avian malaria disease management plan for Hawaiian forest birds Getting ahead of the crises: Developing an avian malaria disease management plan for Hawaiian forest birds

Avian malaria is an existential threat to a majority of native Hawaiian forest birds. Climate change is facilitating the spread of malaria to historically disease-free areas, and despite the risk of native Hawaiian forest bird extinctions from malaria outbreaks, no comprehensive disease management plans exist for forest bird conservation areas. Hakalau Forest National Wildlife Refuge...
Authors
Eben H. Paxton, Eldridge Naboa, Nicholas R. Agorastos, Donna L. Ball, Lucas Berio Fortini, Thomas Cady, Richard J. Camp, Patrick J. Hart, Springer Kaye, Steven J. Kendall, Dennis A. LaPointe, Ricardo D. Lopez, Katherine Maria McClure, Amanda K Navine

Noble and base metal distribution and processes affecting ore tenors in the disrupted lower stratigraphy of the Stillwater Complex, USA Noble and base metal distribution and processes affecting ore tenors in the disrupted lower stratigraphy of the Stillwater Complex, USA

Exploration continues for contact-style Ni-Cu sulfide and chromitite-associated PGE mineralization in ultramafic rocks of the Stillwater Complex. At the Iron and Chrome Mountain areas, massive sulfides occur along the complex’s footwall contact and anomalous concentrations of PGE+Au are associated with the three lowermost chromitite seams. Southeast of Chrome Mountain, magmatic layering...
Authors
Allen K. Andersen, Michael Jenkins

Achieving interpretable machine learning by functional decomposition of black-box models into explainable predictor effects Achieving interpretable machine learning by functional decomposition of black-box models into explainable predictor effects

Machine learning (ML) models are often based on complex black-box architectures that are difficult to interpret. This interpretability problem can hinder the use of ML in fields like medicine, ecology, and insurance, and has boosted research in interpretable machine learning (IML). Here, we propose a novel approach for the functional decomposition of black-box predictions, which is a...
Authors
David Kohler, David Rügamer, Lindsey J. Boyle, Kelly O. Maloney, Matthias Schmid

Longer exposure to warm water increases subsequent thermal tolerance of brook trout in cold water: Acclimation timing and physiology Longer exposure to warm water increases subsequent thermal tolerance of brook trout in cold water: Acclimation timing and physiology

Climate change has resulted in increased incidence and variability of warming episodes in cold-water streams that support salmonids. The capacity to acclimate to warm temperatures may allow cold-water fish to persist in spite of changing thermal regimes, but accurately predicting fish performance under fluctuating stream temperatures also requires understanding re-acclimation to cool...
Authors
Amy M. Regish, Matthew O’Donnell, Benjamin Letcher, Timothy Lambert, Daniel J. Hall, Stephen D. McCormick

Aggregating three sources of long-term trends of swallows and martins to identify priority conservation areas in the Great Lakes region Aggregating three sources of long-term trends of swallows and martins to identify priority conservation areas in the Great Lakes region

1. Long-term monitoring of bird populations across scales is important in evaluating conservation targets and creating effective conservation strategies. For nearly six decades, the Breeding Bird Survey (BBS) has served as the primary broad-scaled source of relative abundance trends of swallows and martins in North America. Recently, however, it has become possible to obtain breeding...
Authors
Maria C.T.D. Belotti, Brian Daniel Gerber, Wenlong Zhao, Yuting Deng, Victoria F. Simons, Gustavo Perez, Jeffrey F. Kelly, Subhransu Maji, Daniel Sheldon, Kyle G. Horton
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