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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Carryover effects across juvenile periods vary by species, cause-specific mortality, and stage-specific behavior Carryover effects across juvenile periods vary by species, cause-specific mortality, and stage-specific behavior
Conditions during one life-stage can carry over to influence fitness outcomes in later stages. How carryover effects manifest, however, may vary depending on the type and magnitude of risks that animals face in subsequent life-stages. The influence of carryover effects on cause-specific mortality remains largely unclear, particularly during vulnerable life-stages, including juvenile...
Authors
Emily R. Shertzer, Donald W. Jones, Anna D. Chalfoun
Cultural benefits knowledge and social learning in Elwha River dam removal and ecosystem decision-making Cultural benefits knowledge and social learning in Elwha River dam removal and ecosystem decision-making
In a retrospective case study of the seminal Elwha River dam removal in Washington State, USA, we explore pathways through which ecosystem services (ES) knowledge can inform environmental decision-making. We specifically investigate how knowledge of cultural benefits linked to the Elwha River ecosystem was made available. Through interviews and historical document review we identify...
Authors
Kristin R. Hoelting, Doreen E. Martinez, Lucas S. Bair, Rudy Schuster, Michael C. Gavin
Osmium isotope constraints on Mauna Loa–Kilauea magmatic connectivity, Island of Hawai‘i Osmium isotope constraints on Mauna Loa–Kilauea magmatic connectivity, Island of Hawai‘i
The Hawaiian volcanic chain exhibits a long-recognized double track of volcanism defined by the Loa and Kea trends, which erupt chemically and isotopically distinct lavas. Mauna Loa and Kīlauea, the two most frequently active volcanoes of the Loa and Kea trends, produce distinct endmember compositions. However, historical periods of compositional convergence have prompted debate...
Authors
Siddhartha Bharadwaj, Kendra J. Lynn, Aaron J. Pietruszka, Frank A. Trusdell, Mukul Sharma
Identifying algal indicators for streamflow duration assessment methods in forested headwater streams Identifying algal indicators for streamflow duration assessment methods in forested headwater streams
Streamflow duration assessment methods (SDAMs) are rapid tools for reach-scale streamflow duration classification. SDAMs use single-visit indicator data as surrogates because direct measurement of long-term flow duration is resource intensive. Algae (diatoms and soft-bodied algae) are potentially strong indicators of streamflow-duration class (SDC) because of geographical ubiquity and...
Authors
Ken M. Fritz, Roxolana O. Kashuba, Gregory J. Pond, Jay R. Christensen, Susanna J. DeCelles, Brent R. Johnson, David M. Walters
Climate-smart wetlands can mitigate the wetland-methane feedback loop Climate-smart wetlands can mitigate the wetland-methane feedback loop
Climate change is intensifying wetland methane emissions, reinforcing a feedback loop that accelerates warming and threatens wetlands’ role as natural climate solutions. We propose climate-smart interventions for wetland protection, restoration, and management that explicitly account for methane dynamics. Targeted interventions can weaken methane feedback while safeguarding ecological...
Authors
Irena F. Creed, Emily A. Ury, Kenneth J. Anderson, Sheel Bansal, Pascal Badiou, Victoria Dombrowik, Philip B. Duffy, Vincent Gauci, Adam Gold, Meredith A. Holgerson, Bunyod Holmatov, Lauren Kinsman-Costello, Tatiana Lobato-de Magalhães, Danielle R. Monteverde, Eric J. Ward, Zhen Zhang, Brian Buma
Development of a two-dimensional hydraulic model for the Kalamazoo River between the Trowbridge and Allegan City Dams, Michigan Development of a two-dimensional hydraulic model for the Kalamazoo River between the Trowbridge and Allegan City Dams, Michigan
The U.S. Geological Survey developed a two-dimensional hydraulic model for a 9.2-mile reach of the Kalamazoo River between the Trowbridge and Allegan City Dams. The model simulates streamflow conditions with spatial coverage and resolution that would be difficult or dangerous to document with field measurements, enabling assessments of habitat connectivity and substrate stability to...
Authors
Collin J. Roland, Angus A. Vaughan, Faith A. Fitzpatrick, Heidi M. Broerman, J. William Lund
Preliminary geology of the North Meadow Creek Area, Tobacco Root Mountains, southwest Montana: The North Meadow Creek Fault Preliminary geology of the North Meadow Creek Area, Tobacco Root Mountains, southwest Montana: The North Meadow Creek Fault
This report documents a previously unmapped fault, informally referred to herein as the North Meadow Creek fault, on the east flank of the Tobacco Mountains of southwestern Montana. This fault has an apparently long and complex history, including Quaternary offset of an older alluvial terrace, offset of a debris flow of presumed Pleistocene age, offset of rhyolite lava flows of presumed...
Authors
Gary S. Fuis, Parker J. LeClair, Chester A. Ruleman
An integrated drought early warning system to support coldwater fisheries management An integrated drought early warning system to support coldwater fisheries management
Low streamflow resulting from drought and human water use is a threat to freshwater fisheries throughout western North America, creating a need for effective tools to aid management and fisheries use. We developed a drought early warning framework that forecasts river conditions that could result in temporary fishery closures and restrictions across Montana’s renowned trout fisheries...
Authors
Justin T. Martin, Gregory T. Pederson, Timothy Cline, Andrew Biche Lahr, Jeffrey D. Walker, David Schmetterling, Donovan A. Bell, Clint C. Muhlfeld
Eco-evolutionary context modifies a destructive plant invader's response to climate Eco-evolutionary context modifies a destructive plant invader's response to climate
No abstract available.
Authors
Megan Vahsen, Justin J. Van Ee, Diana Gamba, Toby Matthew Maxwell, Nikki Pirtel, Seth Romero, David T. Barnett, Owen W. Baughman, Richard Gill, David J. Ensing, Martin C. Holdrege, Rebecca A. Hufft, Chandra E. Moffat, Ruth A. Hufbauer, Jacqueline P. Ott, Lysandra A. Pyle, Corinne Schroeder, Eugene W. Schupp, Robert K. Shriver, Michael Stemkovski, Amy Symstad, Alexandra K. Urza, Cynthia Brown, Dana Blumenthal, Matthew Germino, Mevin Hooten, Jesse R. Lasky, Elizabeth A. Leger, Lauren M. Porensky, Peter B. Adler
Method development and validation for microscopic measurement of the fluorescence spectrum of sedimentary organic matter in geologic samples Method development and validation for microscopic measurement of the fluorescence spectrum of sedimentary organic matter in geologic samples
The goal of this study was to develop and validate a standard operating procedure for measuring the fluorescence emission of sedimentary organic matter (SOM), a proxy used to assess thermal maturity conditions in petroliferous basins. We tested the performance of a spectrometer integrated with an epi-fluorescence imaging microscope, and evaluated instrument calibration, dark-current...
Authors
Kavin Wee Siaw, Paul C. Hackley
Long-term intermittent connection between the western Snake River Plain and Columbia basin: A two-phased incision history of Hells Canyon Long-term intermittent connection between the western Snake River Plain and Columbia basin: A two-phased incision history of Hells Canyon
For more than a century, researchers have debated the route of the Snake River across the northern Cordillera and U.S. Pacific Northwest, including the associated incision history of Hells Canyon. Here, we use detrital zircon U-Pb provenance analysis of Miocene strata upstream and downstream of Hells Canyon to constrain the evolution in fluvial pathways over time. Downstream of Hells...
Authors
Lydia M. Staisch, Jim E. O'Connor, Charles M. Cannon, Christopher S. Holm-Denoma, Maxwel Fredrick Schwid
Glacier fed deltas and new age constraints for glacial Lake Grand Gorge in the northern Catskill Mountains of New York State, USA Glacier fed deltas and new age constraints for glacial Lake Grand Gorge in the northern Catskill Mountains of New York State, USA
Ice-dammed lakes were common along the southern margin of the Laurentide Ice Sheet during deglaciation. In the Schoharie Valley of the northern Catskill Mountains, New York, a 171 km2 lake known as glacial Lake Grand Gorge formed in an interlobate area. Previous researchers suggested that deltas developed into this glacial lake from meltwater supplied by the adjacent Hudson Lobe during
Authors
Andrew L. Kozlowski, Richard A. Frieman, Karl J. Backhaus, Hailey Forgeng, Robert Feranec, Shannon A. Mahan