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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Filter Total Items: 173476
One-hundred fundamental, open questions to integrate methodological approaches in lake ice research One-hundred fundamental, open questions to integrate methodological approaches in lake ice research
The rate of technological innovation within aquatic sciences outpaces the collective ability of individual scientists within the field to make appropriate use of those technologies. The process of in situ lake sampling remains the primary choice to comprehensively understand an aquatic ecosystem at local scales; however, the impact of climate change on lakes necessitates the rapid...
Authors
Joshua Culpepper, Sapna Sharma, Grant Gunn, Madeline Magee, Michael Frederick Meyer, Eric Anderson, Christoper D. Arp, Sarah Cooley, Wayana Dolan, Hilary Dugan, Claude R. Duguay, Benjamin C. Jones, Georgiy Kirillin, Robert Ladwig, Matti Lepparanta, Di Long, John J. Magnuson, Tamlin Pavelsky, Sebastiano Piccolroaz, Dale M. Robertson, Bethel Steele, Manu Tom, Gesa A. Weyhenmeyer, R. Iesytn Woolway, Marguerite A. Xenopoulos, Xiao Yang
Occurrence of pesticides in Oregon coastal waters Occurrence of pesticides in Oregon coastal waters
Pesticides are used globally for a wide range of applications including agricultural, forestry, roadsides, freshwater systems, and personal use. While pesticides have ensured efficient crop production, they are frequently transported away from application sites and are found in almost all terrestrial and aquatic environments. Pesticides are frequently detected in watersheds and rivers...
Authors
Bria Bleil, Elise F. Granek, Michelle Hladik
Overview of The SCEC/USGS Community Stress Drop Validation Study using the 2019 Ridgecrest earthquake sequence Overview of The SCEC/USGS Community Stress Drop Validation Study using the 2019 Ridgecrest earthquake sequence
We present initial findings from the ongoing Community Stress Drop Validation Study to compare spectral stress‐drop estimates for earthquakes in the 2019 Ridgecrest, California, sequence. This study uses a unified dataset to independently estimate earthquake source parameters through various methods. Stress drop, which denotes the change in average shear stress along a fault during...
Authors
Rachel E. Abercrombie, Annemarie S. Baltay Sundstrom, Shanna Chu, Taka'aki Taira, Dino Bindi, Oliver S. Boyd, Xiaowei Chen, Elizabeth S. Cochran, Emma Devin, Douglas Dreger, William Ellsworth, Fan Wenyuan, Rebecca Harrington, Yihe Huang, Kilian Kemna, Meichen Liu, Adrien Oth, Grace Alexandra Parker, Colin Pennington, Matteo Picozzi, Christine J. Ruhl, Peter Shearer, Daniele Spallarossa, Daniel Trugman, Ian Vandevert, Qimin Wu, Clara Yoon, Ellen Yu, Gregory C. Beroza, Tom Eulenfeld, Trey Knudson, Kevin Mayeda, Paola Morasca, James S. Neely, Jorge I. Roman-Nieves, Claudio Satriano, Mariano Supino, William R. Walter, Ralph Archuleta, Gail Marie Atkinson, Giovanna Calderoni, Chen Ji, Hongfeng Yang, Jiewen Zhang
Introduction to the special section on improving measurements of earthquake source parameters Introduction to the special section on improving measurements of earthquake source parameters
Earthquake source parameters such as magnitude, seismic moment, source dimension, stress drop, and radiated energy are fundamental to understanding earthquake physics, and are also key ingredients in earthquake ground‐motion modeling, rupture simulation, and statistical seismology. However, the uncertainties in these parameters estimated from the radiated seismic wavefield are large due...
Authors
Annemarie S. Baltay Sundstrom, Rachel E. Abercrombie, Adrien Oth, Takahiko Uchide
Gillnet sampling methods for monitoring status and trends of Clear Lake Hitch in Clear Lake, Lake County, California Gillnet sampling methods for monitoring status and trends of Clear Lake Hitch in Clear Lake, Lake County, California
The Clear Lake Hitch (Lavinia exilicauda chi) is a minnow endemic to Clear Lake, Lake County, California. This species is listed as a threatened species under the California Endangered Species Act and has been petitioned for listing under the United States Endangered Species Act. In 2017, the U.S. Geological Survey, in cooperation with the U.S. Fish and Wildlife Service, initiated a...
Authors
Frederick Feyrer, Matthew J. Young, Brock Huntsman, Veronica Violette, Justin K. Clause, Jordan Buxton, Danielle Palm, Marissa L. Wulff, Jeff Gronemyer, Luis Santana
Utility of a swath laser rangefinder for characterizing mass movement flow depth and landslide initiation Utility of a swath laser rangefinder for characterizing mass movement flow depth and landslide initiation
Mass movements such as debris flows and landslides are some of the deadliest and most destructive natural hazards occurring mostly in alpine and volcanic settings. With ever-growing populations located downslope from known debris flow channels, early warning systems can help prevent loss of life. Geophysical and technological advances have improved monitoring and detection capabilities...
Authors
Maciej Obryk, Emily Christina Bedinger, Alexandra M. Iezzi, Emily H Bryant, Kate E. Allstadt, David L. George, Benjamin B. Mirus
An early Holocene wet period in the southwestern United States An early Holocene wet period in the southwestern United States
Multiple generations of spring-fed streams traversed ∼800 km2 of the Las Vegas Valley in southern Nevada between ca. 10.9 ka and 8.5 ka, depositing an extensive tufa network. The scale of this network and diversity of tufa morphologies is novel in North America and offers an opportunity to obtain quantitative paleoclimate data for the region during the early Holocene. We determined...
Authors
Kathleen B. Springer, Adam M. Hudson, Jeffrey S. Pigati, Katharine W. Huntington, Andrew J. Schauer
Sources and risk factors for nitrate, pathogens, and fecal contamination of private wells in rural southwestern Wisconsin, USA Sources and risk factors for nitrate, pathogens, and fecal contamination of private wells in rural southwestern Wisconsin, USA
Household well water can be degraded by contaminants from the land's surface, but private well owners lack means to protect the source water from neighboring disturbances. Rural residents of southwestern Wisconsin, USA, rely on private well water, and the combination of land use and fractured carbonate bedrock makes groundwater vulnerable to contamination. To identify the extent, sources...
Authors
Joel P. Stokdyk, Aaron Firnstahl, Kenneth Bradbury, Maureen A. Muldoon, Burney Kieke Jr., Mark A. Borchardt
Nonstationary flood frequency analysis using regression in the north-central United States Nonstationary flood frequency analysis using regression in the north-central United States
Traditional flood frequency methods assume that the statistical properties of peak streamflow do not change with time and may not be appropriate for many areas in the north-central United States. This study examines a nonstationary flood frequency analysis method that uses ordinary least squares linear regression to estimate flood magnitudes at U.S. Geological Survey streamgages that...
Authors
Sara B. Levin
The crystalline silica respiratory hazard from rhyolitic lava dome eruptions in New Zealand's Taupo Volcanic Zone: A case study from the 1315 CE Kaharoa eruption The crystalline silica respiratory hazard from rhyolitic lava dome eruptions in New Zealand's Taupo Volcanic Zone: A case study from the 1315 CE Kaharoa eruption
The rhyolitic Kaharoa 1315 CE eruption was a complex, long-lived event from Tarawera volcano, New Zealand. Explosive phases were followed by around 5 years of lava dome extrusion and collapse which produced block-and-ash flows (BAF). Lava domes generate crystalline silica in the form of cristobalite, and rhyolitic magmas often contain quartz phenocrysts. Fine-grained ash containing...
Authors
Claire J. Horwell, Helen M. Emerson, Paul Ashwell, David Damby, Steve Self, Claire Nattrass, Rebecca J. Carey, Bruce F. Houghton
Status and trends of the Lake Huron prey fish community, 1976-2024 Status and trends of the Lake Huron prey fish community, 1976-2024
The U. S. Geological Survey-Great Lakes Science Center has monitored annual changes in the offshore (depth > 9m) prey fish community of Lake Huron since 1973. Monitoring of prey fish populations in Lake Huron is based on a bottom trawl survey that targets demersal species (i.e., those predominantly or intermittently associated with the lake bottom) and an acoustic-midwater trawl survey...
Authors
Darryl W. Hondorp, Robin L. DeBruyne, Cory Brant, Peter C. Esselman, Timothy P. O'Brien
Airborne geophysical analysis to decipher salinization for coastal Louisiana Airborne geophysical analysis to decipher salinization for coastal Louisiana
Coastal Louisiana is known for saltwater intrusion that threatens wetlands, aquifers, and rivers. However, the extent of saltwater intrusion is not well understood. This study develops an innovative framework with airborne electromagnetic (AEM) data to map chloride concentration distributions for wetlands in the Mississippi River deltaic plain and Chenier plain as well as for the...
Authors
Michael Attia, Frank T.-C. Tsai, Shuo Yang, Burke J. Minsley, Wade Kress