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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: 175547

Assessing the combined influence of biotic and anthropogenic stressors on polar bears to inform conservation planning Assessing the combined influence of biotic and anthropogenic stressors on polar bears to inform conservation planning

Developing conservation strategies for species vulnerable to the effects of climate change, like polar bears (Ursus maritimus), can be challenging given the uncertainty of future environmental conditions. Effective conservation planning requires identifying and ranking threats to the persistence of polar bears throughout their circumpolar range and then assessing the ability of...
Authors
Todd C. Atwood, Bruce G. Marcot, David C. Douglas, Jeffrey F. Bromaghin, Anthony M. Pagano

High-pass corner frequency selection and review tool for use in ground-motion processing High-pass corner frequency selection and review tool for use in ground-motion processing

Raw seismological waveform data contain noise from the instrument’s surroundings and the instrument itself that can dominate recordings at low and high frequencies. To use these data in ground‐motion modeling, the effects of noise on the signals must be reduced and the signals’ usable frequency range identified. We present automated procedures to efficiently reduce low‐frequency noise...
Authors
Maria E. Ramos-Sepulveda, Scott J. Brandenberg, Tristan E Buckreis, Grace Alexandra Parker, Jonathan P. Stewart

Bioaccumulation and trophic transfer of selenium in a large oligotrophic river Bioaccumulation and trophic transfer of selenium in a large oligotrophic river

In flowing waters with elevated selenium concentrations, fish are often considered to be at risk from selenium toxicity owing to dietary exposure and accumulation in ovary tissues and subsequent deformities in developing larvae. We studied selenium throughout components of the aquatic food webs at geomorphically distinct locations along the oligotrophic Kootenai River (Montana and Idaho...
Authors
Christopher A. Mebane, A. Robin Stewart, Erin Murray, Terry M. Short, Veronika A. Kocen, Lauren M. Zinsser

Co-location of sheep grazing and solar energy production yields agrotechnological synergies Co-location of sheep grazing and solar energy production yields agrotechnological synergies

CONTEXT Agrivoltaics—the co-location of solar energy and agricultural production—may reduce land-use competition and boost revenues for landowners. Sheep grazing in solar facilities (i.e., solar grazing/agrivoltaic grazing systems) is increasingly common in agricultural areas. Solar grazing can provide land access to flock owners and support agricultural viability via payments for...
Authors
Nikola Kochendoerfer, A. Sophie Westbrook, Christina E. McMillan, P. Andrew Lapierre, Muhammad A. Zaman, Scott H. Morris, Antonio DiTommaso, Steven Mark Grodsky

Estimating disease prevalence from preferentially sampled, pooled data Estimating disease prevalence from preferentially sampled, pooled data

After the onset of the COVID-19 pandemic, scientific interest in coronaviruses endemic in animal populations has increased dramatically. However, investigating the prevalence of disease in animal populations across the landscape, which requires finding and capturing animals can be difficult. Spatial random sampling over a grid could be extremely inefficient because animals can be hard to...
Authors
Clinton P. Pollock, Andrew Hoegh, Kathryn Irvine, Luz de Wit, Brian E. Reichert

Engineering and risk research—A strategic vision for extending USGS earthquake science to risk assessment and mitigation Engineering and risk research—A strategic vision for extending USGS earthquake science to risk assessment and mitigation

As a part of the U.S. Geological Survey (USGS) Natural Hazards Mission Area, the Engineering and Risk Project (ERP) of the Geologic Hazards Science Center conducts civil engineering research to extend natural hazards science to risk assessments. The ERP includes predominantly, but not exclusively, staff funded by the USGS Earthquake Hazards Program. A major focus of the ERP is to deliver
Authors
Kishor S. Jaiswal, Sanaz Rezaeian, Nico Luco, N. Simon Kwong, Andrew James Makdisi, H. Benjamin Mason, Robert E. Chase, Zachary Alan Kortum
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