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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A global assessment of SAOCOM-1 L-band stripmap data for InSAR characterization of volcanic, tectonic, cryospheric, and anthropogenic deformation A global assessment of SAOCOM-1 L-band stripmap data for InSAR characterization of volcanic, tectonic, cryospheric, and anthropogenic deformation
SAOCOM-1 is an L-band (23.5 cm) synthetic aperture radar (SAR) constellation made up of two satellites launched in 2018 and 2020 by Comisión Nacional de Actividades Espaciales (CONAE, Argentina). In this contribution, we present a global summary of interferometric SAR (InSAR) observations of ground deformation with SAOCOM-1 stripmap data for tracking volcanic, tectonic, glacier, and...
Authors
Francisco Delgado, Tara Shreve, Sven Borgstrom, Pablo Le’on-Ibanez, Joaqu’in Castillo, Michael P. Poland
Control of introduced American bullfrogs and support of Chiricahua leopard frog conservation in southeast Arizona Control of introduced American bullfrogs and support of Chiricahua leopard frog conservation in southeast Arizona
1. This report summaries field surveys conducted during July 2023 through April 2024 to control introduced American bullfrogs (Lithobates [Rana] catesbeianus; hereafter bullfrog) and support Chiricahua leopard frog (Lithobates [Rana] chiricahuensis) conservation in southeast Arizona. We conducted 394 field surveys across 141 sites in Chiricahua leopard frog Recovery Units 1 and 2 during...
Authors
Javan Mathias Bauder, Chris L. Prewitt
Using mobile acoustic monitoring and false-positive N-mixture models to estimate bat abundance and population trends Using mobile acoustic monitoring and false-positive N-mixture models to estimate bat abundance and population trends
Estimating the abundance of unmarked animal populations from acoustic data is challenging due to the inability to identify individuals and the need to adjust for observation biases including detectability (false negatives), species misclassification (false positives), and sampling exposure. Acoustic surveys conducted along mobile transects were designed to avoid counting individuals more...
Authors
Bradley James Udell, Bethany R. Straw, Susan C. Loeb, Kathryn Irvine, Wayne E. Thogmartin, Cori Lausen, Jonathan D. Reichard, Jeremy T.H. Coleman, Paul M. Cryan, Winifred F. Frick, Brian E. Reichert
The effects of flow extremes on native and non-native stream fishes in Puerto Rico The effects of flow extremes on native and non-native stream fishes in Puerto Rico
Globally, freshwater fishes are among the taxa most vulnerable to climate change but are generally understudied in tropical island ecosystems where climate change is predicted to alter the intensity, frequency and duration of extreme flow events. These changes may impact stream ecosystems and native and non-native biota in complex ways.We compiled an extensive dataset of fish assemblages...
Authors
B. J. E. Myers, A. C. Engman, A. Ramírez, A. Torres-Molinari, Abigail Lynch, Mitchell J. Eaton, P. B. Cooney, T. J. Kwak
Connecting conservation practices to local stream health in the Chesapeake Bay watershed Connecting conservation practices to local stream health in the Chesapeake Bay watershed
The Chesapeake Bay Partnership is implementing conservation practices (CPs) throughout the Chesapeake Bay watershed to reduce nutrient and sediment delivery to the Bay. This study intends to provide an integrated and detailed understanding of how local streams respond to these CP-driven management efforts. Key issue: To what extent do CPs positively affect the health of local streams in...
Authors
Gregory E. Noe, Paul L. Angermeier, Larry B. Barber, Joe Buckwalter, Matthew J. Cashman, Olivia Devereux, Thomas Rossiter Doody, Sally Entrekin, Rosemary Margaret Fanelli, Nathaniel P. Hitt, Molly Elizabeth Huber, Jeramy Roland Jasmann, Kelly O. Maloney, Tristan Gregory Mohs, Sergio Sabat-Bonilla, Kelly Smalling, Tyler Wagner, John C. Wolf, Kenneth Hyer
Sixty-fifth supplement to the American Ornithological Society’s check-list of North American birds Sixty-fifth supplement to the American Ornithological Society’s check-list of North American birds
This is the 24th supplement since publication of the 7th edition of the Check-list of North American Birds (American Ornithologists’ Union [AOU] 1998). It summarizes decisions made between April 25, 2023 and April 30, 2024 by the American Ornithological Society’s (formerly American Ornithologists’ Union) Committee on Classification and Nomenclature—North and Middle America. The Committee...
Authors
R. Terry Chesser, Shawn Billerman, Kevin J Burns, Carla Cicero, Jon L. Dunn, Blanca Hernandez-Banos, Rosa Alicia Jimenez, Oscar W. Johnson, Andrew W. Kratter, Nicholas Mason, Pamela Ramussen, J.V. Remsen
Tire-derived contaminants 6PPD and 6PPD-Q: Analysis, sample handling, and reconnaissance of United States stream exposures Tire-derived contaminants 6PPD and 6PPD-Q: Analysis, sample handling, and reconnaissance of United States stream exposures
The environmental ubiquity of tire and road wear particles (TRWP) underscores the need to understand the occurrence, persistence, and environmental effects of tire-related chemicals in aquatic ecosystems. One such chemical is 6PPD-quinone (6PPD-Q), a transformation product of the tire antioxidant 6PPD. In urban stormwater runoff 6PPD-Q can exceed acute toxicity thresholds for several...
Authors
Rachael F. Lane, Kelly Smalling, Paul M. Bradley, Justin Blaine Greer, Stephanie E. Gordon, John D. Hansen, Dana W. Kolpin, Andrew R. Spanjer, Jason R. Masoner
By
Water Resources Mission Area, Ecosystems Mission Area, Central Plains Water Science Center, Central Midwest Water Science Center, New Jersey Water Science Center, Oklahoma-Texas Water Science Center, Washington Water Science Center, Western Fisheries Research Center, South Atlantic Water Science Center (SAWSC)
Interactive effects of salinity and hydrology on radial growth of bald cypress (Taxodium distichum (L.) Rich.) in coastal Louisiana, USA Interactive effects of salinity and hydrology on radial growth of bald cypress (Taxodium distichum (L.) Rich.) in coastal Louisiana, USA
Tidal freshwater forests are usually located at or above the level of mean high water. Some Louisiana coastal forests are below mean high water, especially bald cypress (Taxodium distichum (L.) Rich.) forests because flooding has increased due to the combined effects of global sea level rise and local subsidence. In addition, constructed channels from the coast inland act as conduits for...
Authors
Richard Day, Andrew From, Darren Johnson, Ken Krauss
Mitigating risk: Predicting H5N1 avian influenza spread with an empirical model of bird movement Mitigating risk: Predicting H5N1 avian influenza spread with an empirical model of bird movement
Understanding timing and distribution of virus spread is critical to global commercial and wildlife biosecurity management. A highly pathogenic avian influenza virus (HPAIv) global panzootic, affecting ~600 bird and mammal species globally and over 83 million birds across North America (Dec 2023), poses a serious global threat to animals and public health. We combined a large, long-term...
Authors
Fiona McDuie, Cory T. Overton, Austen Lorenz, Elliott Matchett, Andrea Mott, Desmond Alexander Mackell, Joshua T. Ackerman, Susan E.W. De La Cruz, Vijay P. Patil, Diann Prosser, John Y. Takekawa, Dennis L. Orthmeyer, Maurice E. Pitesky, Samuel L. Diaz-Munoz, Brock M. Riggs, Joseph Gendreau, Eric T. Reed, Mark J. Petrie, Chris K. Williams, Jeffrey J. Buler, Matthew J. Hardy, Brian S. Ladman, Pierre Legagneux, Joel Bety, Philippe J. Thomas, Jean Rodrigue, Josee Lefebvre, Michael L. Casazza
Upland Yedoma taliks are an unpredicted source of atmospheric methane Upland Yedoma taliks are an unpredicted source of atmospheric methane
Landscape drying associated with permafrost thaw is expected to enhance microbial methane oxidation in arctic soils. Here we show that ice-rich, Yedoma permafrost deposits, comprising a disproportionately large fraction of pan-arctic soil carbon, present an alternate trajectory. Field and laboratory observations indicate that talik (perennially thawed soils in permafrost) development in
Authors
Katey M. Walter Anthony, Nicholas Hasson, Colin W. Edgar, Orit Sivan, Effrat Eliani-Russak, Oded Bergman, Burke J. Minsley, Stephanie R. James, Neal J. Pastick, Alexander Kholodov, Sergey Zimov, Eugenie Euskirchen, Marion S. Bret-Harte, Guido Grosse, Moritz Langer, Jan Nitzbon
Challenges of implementing a multi-agency monitoring and adaptive management strategy for federally threatened Chinook salmon and steelhead trout during and after dam removal in the Elwha River Challenges of implementing a multi-agency monitoring and adaptive management strategy for federally threatened Chinook salmon and steelhead trout during and after dam removal in the Elwha River
Adaptive management, a process of planning, implementing, and evaluating management strategies, is often recommended for monitoring ecological systems. However, few examples of successful implementation and retrospective case studies exist. We provide a case study of adaptively managing hatchery-assisted protection and recovery for Chinook salmon (Oncorhynchus tshawytscha) and winter...
Authors
Roger J. Peters, Joseph H. Anderson, Jeffrey J. Duda, Michael L. McHenry, George Pess, Samuel J. Brenkman, Jeffery R. Johnson, Martin C. Liermann, Keith Denton, Matthew M. Beirne, Patrick Crain, Heidi A. Connor
Discovery of giant and conventional magnetofossils bookending Cretaceous Oceanic Anoxic Event 2 Discovery of giant and conventional magnetofossils bookending Cretaceous Oceanic Anoxic Event 2
Conventional magnetofossils are the remains of magnetotactic bacteria and giant magnetofossils are the remains of iron biomineralizing organisms that have not yet been identified. We report the oldest robust conventional and giant magnetofossil records, ~97 Ma, from marine sediments drilled in Holland Park, Virginia, USA. The Holland Park core records the Cenomanian-Turonian boundary and...
Authors
Courtney L. Wagner, Ioan Lascu, Jean Self-Trail, Tim Gooding, Kenneth J.T. Livi, Gianna Greger, Kristina Frank Gardner, Jody Brae Wycech, Mark F. Dreier, Tom Oliver