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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Geochemistry and spatial distribution of Neoproterozoic dike swarms from the northwestern tip of the Arabian-Nubian Shield: Implications for crustal extension Geochemistry and spatial distribution of Neoproterozoic dike swarms from the northwestern tip of the Arabian-Nubian Shield: Implications for crustal extension
Ediacaran dike swarms in the Arabian-Nubian Shield (ANS) provide key insights into post-collisional tectonics and magmatism. This study presents new chemical data, two 40Ar/39Ar ages, and spatial distribution analysis for dike swarms in the northernmost ANS exposures in SW Jordan. Hornblende from a lamprophyre sill intruding the Saramuj Conglomerate yielded a plateau age of ∼592 ± 3 Ma
Authors
Hind Ghanem, Abeer Salman, Ryan J. McAleer, Cees W. Passchier, Ghaleb H. Jarrar
Why are non-native plants successful? Consistently fast economic traits and novel origin jointly explain abundance across US ecoregions Why are non-native plants successful? Consistently fast economic traits and novel origin jointly explain abundance across US ecoregions
Are non-native plants abundant because they are non-native, and have advantages over native plants, or because they possess ‘fast’ resource strategies, and have advantages in disturbed environments? This question is central to invasion biology but remains unanswered.We quantified the relative importance of resource strategy and biogeographic origin in 69 441 plots across the conterminous...
Authors
Dana M. Blumenthal, Jeffrey M. Diez, Ian S. Pearse, Helen Sofaer, Cascade J.B. Sorte, Dave Barnett, Evelyn M. Beaury, Bethany Bradley, Jeff Corbin, Jeffrey Dukes, Regan Early, Ines Ibanez, Daniel C. Laughlin, Lais Petri, Montserrat Vila
Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA
Economic concentrations of rare earth element (REE) minerals are uncommon in the Earth’s crust, with most occurring in carbonatites. Unlike most igneous rocks composed of silicate minerals, carbonatites are dominated by carbonate minerals, some of which can incorporate significant light REEs (LREEs; La, Ce, Pr, Nd). Technological applications of REEs are numerous and they have been...
Authors
Kathryn E. Watts, Allen K. Andersen
Network of networks: Time series clustering of AmeriFlux sites Network of networks: Time series clustering of AmeriFlux sites
Environmental observation networks, such as AmeriFlux, are foundational for monitoring ecosystem response to climate change, management practices, and natural disturbances; however, their effectiveness depends on their representativeness for the regions or continents. We proposed an empirical, time series approach to quantify the similarity of ecosystem fluxes across AmeriFlux sites. We...
Authors
David E. Reed, Housen Chu, Brad G. Peter, Jiquan Chen, Michael Abraha, Brian Amiro, Ray G. Anderson, M. Altaf Arain, Paulo Arruda, Greg A. Barron-Gafford, Carl Bernacchi, Daniel P. Beverly, Sebastien C. Biraud, T. Andrew Black, Peter D. Blanken, Gil Bohrer, Rebecca Bowler, David R. Bowling, M. Syndonia Bret-Harte, Mario Bretfeld, Nathaniel A. Brunsell, Stephen H. Bullock, Gerardo Celis, Xingyuan Chen, Aimee T. Classen, David R. Cook, Alejandro Cueva, Higo J. Dalmagro, Kenneth J. Davis, Ankur Desai, Alison J. Duff, Allison L. Dunn, David Durden, Colin W. Edgar, Eugenie Euskirchen, Rosvel Bracho, Brent E. Ewers, Lawrence B. Flanagan, Christopher R. Florian, Vanessa Foord, Inke Forbrich, Brandon R. Forsythe, John Frank, Jaime Garatuza-Payan, Sarah Goslee, Christopher M. Gough, Mark B. Green, Timothy Griffis, Manuel Helbig, Andrew C. Hill, Ross Hinkle, Jason Horne, Elyn Humphreys, Hiroki Ikawa, Go Iwahana, Rachhpal Jassal, Bruce K. Johnson, Mark S. Johnson, Steven A. Kannenberg, Eric Kelsey, John King, John F. Knowles, Sara Knox, Hideki Kobayashi, Thomas Kolb, Randy Kolka, Ken Krauss, Lars Kutzbach, Brian T. Lamb, Beverly E. Law, Sung-Ching Lee, Xuhui Lee, Heping Liu, Henry W. Loescher, Sparkle L. Malone, Roser Matamala, Marguerite Mauritz, Stefan Metzger, Gesa Meyer, Bhaskar Mitra, J. William Munger, Zoran Nesic, Asko Noormets, Thomas L. O'Halloran, Patrick T. O'Keeffe, Steven F. Oberbauer, Walter Oechel, Patty Oikawa, Paulo C. Olivas, Andrew Ouimette, Gilberto Pastorello, Jorge F. Perez-Quezada, Claire Phillips, Gabriela Posse, Bo Qu, William L. Quinton, Michele L. Reba, Andrew D. Richardson, Valentin Picasso, Adrian V. Rocha, Julio C. Rodriguez, Roel Ruzol, Scott Saleska, Russell L. Scott, Adam P. Schreiner-McGraw, Edward A.G. Schuur, Maria Silveira, Oliver Sonnentag, David L. Spittlehouse, Ralf Staebler, Gregory Starr, Christina Staudhammer, Chris Still, Cove Sturtevant, Ryan C. Sullivan, Andy Suyker, David Trejo, Masahito Ueyama, Rodrigo Vargas, Brian Viner, Enrique R. Vivoni, Dong Wang, Eric J. Ward, Susanne Wiesner, Lisamarie Windham-Myers, David Yannick, Enrico A. Yepez, Terenzio Zenone, Junbin Zhao, Donatella Zona
Quantitative evaluations of earthquake early warning performance using “Did You Feel It?” and post-alert surveys Quantitative evaluations of earthquake early warning performance using “Did You Feel It?” and post-alert surveys
We examine responses to the U.S. Geological Survey’s “Did You Feel It?” (DYFI) survey and its companion earthquake early warning (EEW) questionnaire to assess the performance of the U.S. ShakeAlert EEW system directly from the alert recipients’ perspectives. ShakeAlert rapidly detects earthquakes and develops alert information, but as official alert delivery partners issue these alerts...
Authors
Jessie K. Saunders, David J. Wald
Changing drivers of regional large magnitude avalanche frequency throughout Colorado, USA Changing drivers of regional large magnitude avalanche frequency throughout Colorado, USA
Large magnitude snow avalanches (size ≥D3) impact settlements, transportation corridors, and public safety worldwide. In Colorado, United States, avalanches have killed more people than any other natural hazard since 1950. In March 2019, a large magnitude avalanche cycle occurred throughout the entire mountainous portion of Colorado resulting in more than 1000 reported avalanches during...
Authors
Erich H. Peitzsch, Justin T. Martin, Ethan M. Greene, Nicolas Eckert, Adrien Favillier, Jason Konigsberg, Nickolas Kichas, Daniel K. Stahle, Karl W. Birkeland, Kelly Elder, Gregory T. Pederson
Spatiotemporal drivers of water quality and phytoplankton communities in a cyanobacteria-dominated reservoir provide management insights Spatiotemporal drivers of water quality and phytoplankton communities in a cyanobacteria-dominated reservoir provide management insights
Reservoirs serve critical roles providing drinking water, irrigation, flood control, hydropower, recreation, fisheries, and aquatic habitat. Yet their physical position, complex shape, and large watersheds make reservoirs especially susceptible to eutrophication and harmful algal bloom (HAB) production. Boysen Reservoir, WY, is a high priority for proactive nutrient management because it...
Authors
Linnea A. Rock, William W. Fetzer, Lindsay Patterson, Samuel J. Sillen, Ron Steg, Annika W. Walters, Sarah M. Collins
Comparing SMART and ELECTRE methods for multi-criteria decision analysis: A case study evaluating conservation strategies Comparing SMART and ELECTRE methods for multi-criteria decision analysis: A case study evaluating conservation strategies
Tradeoffs are part of the inherent challenge of making decisions. Defaulting to a prevalent method can mask methodological variation and potential improvement in decision quality. We applied and compared methods for multi-criteria decision analysis (MCDA) in real-world environmental planning. Decision makers at a global conservation organization formed teams to review and prioritize the...
Authors
David M. Martin, David R. Smith
Select elements of concern in surface water of three hydrologic basins (Delaware River, Illinois River, and Upper Colorado River)—Data screening for the development of spatial and temporal models Select elements of concern in surface water of three hydrologic basins (Delaware River, Illinois River, and Upper Colorado River)—Data screening for the development of spatial and temporal models
The report focuses on the screening of previously published concentration data associated with 12 elements of concern (aluminum, arsenic, cadmium, chromium, copper, iron, mercury, manganese, lead, selenium, uranium, and zinc) measured in stream surface waters of three hydrologic basins (Delaware River Basin, Illinois River Basin, and the Upper Colorado River Basin). The purpose of this...
Authors
Mark C. Marvin-DiPasquale, R. Blaine McCleskey, Samantha L. Sullivan, Jonathan Casey Root, Serena M. Seawolf, Katherine M. Ransom, Susan Wherry, Evangelos Kakouros, Shaun Baesman
Widespread thiamine deficiency in California salmon linked to an anchovy-dominated marine prey base Widespread thiamine deficiency in California salmon linked to an anchovy-dominated marine prey base
Thiamine (vitamin B1) deficiency in marine systems is a globally significant threat to marine life. In 2020, newly hatched Chinook salmon (Oncorhynchus tshawytscha) fry in California’s Central Valley (CCV) hatcheries swam in corkscrew patterns and died at unusually high rates due to a lack of this essential vitamin. We subsequently investigated the impacts and causes of thiamine...
Authors
Nate Mantua, Heather M. Bell, Anne E. Todgham, Miles E. Daniels, Jacques Rinchard, Jarrod R. Ludwig, John Field, Steven T Lindley, Freya Elizabeth Rowland, Catherine A. Richter, David Walters, Bruce P. Finney, Anne R. Distajo Haskell, Donald Tillitt, Dale C. Honeyfield, Taylor N. Lipscomb, Kevin Kwak, Jason Kindopp, Dennis E. Cocherell, Abigail Ward, Thomas H. Williams, Jeff Harding, Nann A. Fangue, Carson Jeffres, Rocio Iliana Ruiz-Cooley, Steven Litvin, Scott Foott, Mark Adkison, Brett Kormos, Peggy Harte, Frederick S. Colwell, Christopher P. Suffridge, Kelly Shannon, Amanda Cranford, Charlotte Ambrose, Aimee N. Reed, Rachel C. Johnson
Effects of total suspended solids on photomineralization of dissolved organic matter in the Peace-Athabasca Delta, Canada Effects of total suspended solids on photomineralization of dissolved organic matter in the Peace-Athabasca Delta, Canada
Northern deltas receive chromophoric dissolved organic matter (CDOM) from their watersheds, which can be oxidized to carbon dioxide upon absorption of sunlight (i.e., photomineralized). These deltas also receive total suspended solids (TSS), which may shade sunlight absorption by CDOM, thus limiting photomineralization. To quantify this interaction for the first time, we measured
Authors
Wayana Dolan, Tamlin M. Pavelsky, Julianne Davis, Nathan LaFramboise, Catherine Polik, Rose Cory
Urban trees and cooling: A review of the recent literature (2018 to 2024) Urban trees and cooling: A review of the recent literature (2018 to 2024)
Urban trees mitigate extreme heat through shading and evapotranspiration, but cooling effectiveness varies with tree traits, spatial configurations, and climate. This systematic mapping review synthesizes findings from 115 studies (2018 to 2024) using RepOrting standards for Systematic Evidence Syntheses (ROSES) protocols. Studies were categorized based on geographic location, climate...
Authors
Michael Alonzo, Peter Christian Ibsen, Dexter Locke