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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Complex magmatic-tectonic interactions during the 2020 Makushin Volcano, Alaska, earthquake swarm Complex magmatic-tectonic interactions during the 2020 Makushin Volcano, Alaska, earthquake swarm
On June 15, 2020, at 21:16 UTC, a locally-felt earthquake of magnitude 4.2 struck Unalaska Island, Alaska, ∼15 km west of the town of Unalaska and the large fishing port of Dutch Harbor. The event was followed by a M4.1 earthquake at 00:34 UTC and several M3+ aftershocks, initiating a prolific sequence with hundreds of earthquakes recorded into late December. The earthquakes all locate...
Authors
Federica Lanza, Diana Roman, John Power, Clifford H. Thurber, Thomas Hudson
Integrating Earth–life systems: A geogenomic approach Integrating Earth–life systems: A geogenomic approach
For centuries, scientists have recognized and worked to understand how Earth’s mutable landscape and climate shape the distribution and evolution of species. Here, we describe the emerging field of geogenomics, which uses the reciprocal and deep integration of geologic, climatic, and population genomic data to define and test cause–effect relationships between Earth and life at...
Authors
Greer A. Dolby, Scott E.K. Bennett, Rebecca J. Dorsey, Maya Stokes, Brett R. Riddle, Andres Lira-Noriega, Adrian Munguia-Vega, Benjamin T. Wilder
The North American Freshwater Migratory Fish Database (NAFMFD): Characterizing the migratory life histories of freshwater fishes of Canada, the United States and Mexico The North American Freshwater Migratory Fish Database (NAFMFD): Characterizing the migratory life histories of freshwater fishes of Canada, the United States and Mexico
Aim Migratory freshwater fishes are those that must access discrete habitats to complete their life cycles. Freshwater fish migrations occur around the world and provide numerous ecosystem services for humans and natural systems; however, many migratory species are in decline globally. A limiting factor to successfully conserve freshwater migratory fishes is that the migratory life...
Authors
Emily M. Dean, Arthur R. Cooper, Lizhu Wang, Wesley M. Daniel, Solomon David, Clayton Ernzen, Keith B. Gido, Edward Hale, Tim J. Haxton, William Kelso, Nancy J. Leonard, Chris Lido, Joseph Margraf, Michael D. Porter, Casey A. Pennock, David L. Propst, Jared Ross, Michelle Staudinger, Dana M. Infante, Gary Whelan
Topographic controls on ice flow and recession for Juneau Icefield (Alaska/British Columbia) Topographic controls on ice flow and recession for Juneau Icefield (Alaska/British Columbia)
Globally, mountain glaciers and ice caps are losing dramatic volumes of ice. The resultant sea-level rise is dominated by contributions from Alaska. Plateau icefields may be especially sensitive to climate change due to the non-linear controls their topography imparts on their response to climate change. However, Alaskan plateau icefields have been subject to little structural...
Authors
Bethan Davies, Jacob Bendle, Jonathan L. Carrivick, Robert McNabb, Christopher J. McNeil, Mauri Pelto, Seth Campbell, Tom Holt, Jeremy Ely, Bradley Markle
Sandhill crane colt survival in Minnesota Sandhill crane colt survival in Minnesota
Age-structured population models require reliable estimates of cohort-specific survival rates, yet vital rates of younger age classes are often difficult to estimate because of the logistical challenges of monitoring young animals. As part of a study of sandhill cranes Antigone canadensis in the zone of contact between breeding distributions of the Eastern Population and Midcontinent...
Authors
William J. Severud, David Wolfson, John Fieberg, David E. Andersen
Ecological and social strategies for managing fisheries using the Resist-Accept-Direct (RAD) framework Ecological and social strategies for managing fisheries using the Resist-Accept-Direct (RAD) framework
Fisheries management is a complex task made even more challenging by rapid and unprecedented socioecological transformations associated with climate change. The Resist-Accept-Direct (RAD) framework can be a useful tool to support fisheries management in facing the high uncertainty and variability associated with aquatic ecosystem transformations. Here, RAD strategies are presented to...
Authors
Abigail J. Lynch, Frank J. Rahel, Douglas Limpinsel, Suresh Sethi, Agustin C. Engman, David J. Lawrence, Katherine E. Mills, Wendy Morrison, Jay O. Peterson, Mark T. Porath
Biogeochemical and ecosystem properties in three adjacent semiarid grasslands are resistant to nitrogen deposition but sensitive to edaphic variability Biogeochemical and ecosystem properties in three adjacent semiarid grasslands are resistant to nitrogen deposition but sensitive to edaphic variability
Drylands have low nitrogen stocks and are predicted to be sensitive to modest increases in reactive nitrogen availability, but direct evidence that atmospheric nitrogen deposition will have sustained effects on dryland ecosystems is sparse and conflicting.We used three long-running in situ nitrogen deposition simulation experiments and a complementary laboratory incubation experiment to...
Authors
Brooke Bossert Osborne, Carla M Roybal, Robin H. Reibold, Christopher D Collier, Erika L. Geiger, Michala Lee Phillips, Michael N Weintraub, Sasha C. Reed
Neuroendocrine regulation of plasma cortisol levels during smoltification and seawater acclimation of Atlantic salmon Neuroendocrine regulation of plasma cortisol levels during smoltification and seawater acclimation of Atlantic salmon
Diadromous fishes undergo dramatic changes in osmoregulatory capacity in preparation for migration between freshwater and seawater. One of the primary hormones involved in coordinating these changes is the glucocorticoid hormone, cortisol. In Atlantic salmon (Salmo salar), cortisol levels increase during the spring smoltification period prior to seawater migration; however, the...
Authors
Brett M Culbert, Amy M. Regish, Daniel J Hall, Stephen D. McCormick, Nicholas J. Bernier
Deep-ocean polymetallic nodules and cobalt-rich ferromanganese crusts in the global ocean: New sources for critical metals Deep-ocean polymetallic nodules and cobalt-rich ferromanganese crusts in the global ocean: New sources for critical metals
The transition from a global hydrocarbon economy to a green energy economy and the rapidly growing middle class in developing countries are driving the need for considerable new sources of critical materials. Deep-ocean minerals, namely cobalt-rich ferromanganese crusts and polymetallic nodules, are two such new resources generating interest. Polymetallic nodules are essentially two...
Authors
James R. Hein, Kira Mizell
Trade-offs between utility-scale solar development and ungulates on western rangelands Trade-offs between utility-scale solar development and ungulates on western rangelands
Utility-scale solar energy (USSE) has become an efficient and cost-effective form of renewable energy, with an expanding footprint into rangelands that provide important habitat for many wild ungulate populations. Using global positioning system data collected before and after construction, we documented the potential impacts of USSE on pronghorn (Antilocapra americana), including direct...
Authors
Hall Sawyer, Nicole M. Korfanta, Matthew J. Kauffman, Benjamin Seward Robb, Andrew C. Telander, Todd Mattson
Hematology and biochemistry reference intervals for American alligator (Alligator mississippiensis) in South Florida, USA Hematology and biochemistry reference intervals for American alligator (Alligator mississippiensis) in South Florida, USA
We calculated reference intervals for 48 blood parameters from 120 wild American alligators (Alligator mississippiensis) in South Florida, US. Although previously reported by others, this study includes additional parameters not yet reported in wild populations. Most previously reported blood parameter values were similar to ours and fell within our reference intervals.
Authors
Laura A. Brandt, Nicole D. Jennings, Michiko A. Squires, Caitlin E. Hackett, Christopher D. Smith, Frank J. Mazzotti
Overview of the morphology and chemistry of diagenetic features in the clay-rich Glen Torridon Unit of Gale Crater, Mars Overview of the morphology and chemistry of diagenetic features in the clay-rich Glen Torridon Unit of Gale Crater, Mars
The clay-rich Glen Torridon region of Gale crater, Mars, was explored between sols 2300 and 3007. Here, we analyzed the diagenetic features observed by Curiosity, including veins, cements, nodules, and nodular bedrock, using the ChemCam, Mastcam, and Mars Hand Lens Imager instruments. We discovered many diagenetic features in Glen Torridon, including dark-toned iron- and manganese-rich...
Authors
Patrick J. Gasda, Jade Comellas, A Essunfeld, D. Das, Alex B Bryk, Erwin Dehouck, Susanne P. Schwenzer, Laura Crossey, Kenneth E. Herkenhoff, Jeffrey B. Johnson, Horton E. Newsom, Nina L. Lanza, William Rapin, Walter Goetz, Pierre-Yves Meslin, John C. Bridges, Ryan B. Anderson, Gael David, S M R Turner, M T Thorpe, Linda C. Kah, Jens Frydenvang, Rachel Kronyak, G. Caravaca, Ann M. Ollila, Stephane Le Mouelic, M Nellessen, Megan Hoffman, Deirdra M. Fey, Agnes Cousin, Roger C. Wiens, Sam M. Clegg, Sylvestre Maurice, Olivier Gasnault, Dorothy Delapp, A. Reyes-Newell