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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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We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Filter Total Items: 175939

Towards affordable wetland evapotranspiration monitoring using the Variance-Bowen Ratio method: Insights from three contrasting wetlands Towards affordable wetland evapotranspiration monitoring using the Variance-Bowen Ratio method: Insights from three contrasting wetlands

Accurate measurement of evapotranspiration (ET) is essential for sustainable water management. Standard methods such as eddy covariance (EC) are costly, while alternatives such as surface renewal are cheaper but require calibration and complex data processing. This study evaluates the utility of the Variance-Bowen Ratio (VBR) method for estimating ET across three California’s wetlands...
Authors
Tianxin Wang, Gabriel B. Senay, Joseph Verfaille, Daphne J. Szutu, MacKenzie Friedrichs, Jack R. Eggleston, Dennis Baldocchi
By
Earth Resources Observation and Science (EROS) Center

Global glacier mass change in 2025 Global glacier mass change in 2025

Glaciers lost 408 ± 132 Gt of mass during the hydrological year 2025, equivalent to 1.1 ± 0.4 mm sea-level rise. Since 1975, glacier mass loss has totalled 9,583 ± 1,211 Gt, equivalent to 26.4 ± 3.3 mm of sea-level rise, with six of the highest mass-loss years on record occurring in the past seven years.
Authors
Michael Zemp, Ethan Z. Welty, Samuel U. Nussbaumer, Jacqueline Bannwart, Isabelle Gärtner-Roer, Albin Wells, Andreas Peter Ahlstrøm, Brian Anderson, Liss Marie Andreassen, Mohd. Farooq Azam, Jamie Barnett, Carlo Baroni, Nicholas Edward Barrand, Andreas Bauder, Eric Bernard, Etienne Berthier, Giulia Bertolotti, Tobias Bolch, Mylène Bonnefoy-Demongeot, Matthias H. Braun, David Burgess, David Cappelletti, Jonathan L. Carrivick, Luca Carturan, Daniele Cat Berro, Jorge Luis Ceballos, Guillermo Cobos, Rolando Cruz, Nicolas Cullen, Bolívar Cáceres, Johanna Dahlkvist, Otgonbayar Demberel, Simon de Villiers, Roberto Dinale, Eugene Drozdov, Inés Dussaillant, Luzmila Dávila, Nelly Elagina, Hallgeir Elvehøy, Alexander Erofeev, Daniel Falaschi, Andrea Fischer, Mauro Fischer, Caitlyn Florentine, Koji Fujita, Stephan Peter Galos, Ayon Garcia, Noel Gourmelen, Federico Grosso, Afanasiy Gubanov, Andri Gunnarsson, Anne Guyez, Lea Hartl, Martin Hoelzle, Jorge Huenante, Romain Hugonnet, Matthias Huss, Bernhard Hynek, Takuro Imazu, Rodolfo Iturraspe, Livia Jakob, Sharad Joshi, Neamat Karimi, Nina Kirchner, Bjarne Kjøllmoen, Jack Kohler, Stanislav Kutuzov, Ivan Lavrentiev, James Matthew Lea, Amerigo Lendvai, Huilin Li, Shenghai Li, Zhongqin Li, Andreas Linsbauer, Sebastián Marinsek, Enrico Mattea, Christoph Mayer, Christopher McNeil, Luca Mercalli, Alexandra Messerli, Carolyn Michael, Umberto Morra di Cella, Francisco Navarro, Hofiz Navruzshoev, Anton Neureiter, Gennady Nosenko, Massimo Pecci, Mauri Pelto, Victor Popovnin, Rainer Prinz, Carla Puigdomenech, Heather Purdie, Finnur Pálsson, Alberto Rossotto, Lucas Ruiz, Louis Sass, Erik Schytt Mannerfelt, Riccardo Scotti, Donghui Shangguan, Brenda Shepherd, Delphine Six, Andrey Smirnov, Ireneusz Sobota, Markus Strudl, Shin Sugiyama, Emmanuel Thibert, Laura Thomson, Thorsteinn Thorsteinsson, Levan Tielidze, Florian Tolle, Pavel Toropov, Paolo Tuccella, Gulomjon Umirzakov, Ryskul Usubaliev, Lauren Vargo, Wei Yang, Bernhard Zagel
By
Alaska Science Center

Per- and polyfluoroalkyl substances and pesticides in black bears (Ursus americanus) and grizzly bears (Ursus arctos horribilis) from Montana's Cabinet-Yaak ecosystem: A baseline assessment of emerging and legacy contaminants Per- and polyfluoroalkyl substances and pesticides in black bears (Ursus americanus) and grizzly bears (Ursus arctos horribilis) from Montana's Cabinet-Yaak ecosystem: A baseline assessment of emerging and legacy contaminants

Per- and polyfluoroalkyl substances (PFAS) and pesticides are globally distributed contaminants that persist in terrestrial food webs, yet baseline data for large omnivores in the continental U.S. remain limited. This study quantified PFAS and pesticides in whole blood from free-ranging black bears (Ursus americanus, n = 15) and grizzly bears (Ursus arctos horribilis, n = 9) in the...
Authors
Brian C. Balmer, Marina D. Rodriguez, Justin E. Teisberg, Michelle L. Hladik, Wayne F. Kasworm, Amber Kornak, Thomas G. Radandt, Landon M. Keele, Erin L. Pulster
By
Ecosystems Mission Area, Columbia Environmental Research Center

When is a parasite a problem? When is a parasite a problem?

A parasite’s perceived societal impact depends on the disease it causes and the perception of the affected host species. For instance, doctors and veterinarians have a mission to treat parasites that infect humans or that impact host species that have some utilitarian or aesthetic value for society. Marine scientists have different concerns than doctors. Although the number of parasites...
Authors
Kevin D. Lafferty
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Growth, movement, and survival of precocial shorebird chicks are constrained by their environment. Growth, movement, and survival of precocial shorebird chicks are constrained by their environment.

Young animals are often less mobile than adults, while also having high energetic demands. They may therefore be more vulnerable to local-scale changes in environmental conditions. In particular, when 1 sex must grow more rapidly than the other to achieve a larger adult size, that sex may experience especially dramatic reductions in growth and survival in the face of suboptimal...
Authors
Feipeng Huang, Chris Tyson, Brett R. Addis, Cory Elowe, Lauren Puleo, Stephan Saint-Juste, Maria Stager, Rose J. Swift, Luke Wilde, Nathan R. Senner
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

First vertebrate assemblage from the middle member of the Fremouw Formation (Lower Triassic) of Antarctica First vertebrate assemblage from the middle member of the Fremouw Formation (Lower Triassic) of Antarctica

The Fremouw Formation of the Central Transantarctic Mountains preserves the southernmost record of Early to Middle Triassic terrestrial ecosystems that developed in the aftermath of the end-Permian mass extinction. Although the well-studied vertebrate fossil assemblage in the lower member of the Fremouw Formation provides a detailed snapshot of subpolar ecosystems immediately following...
Authors
C. Henrik Woolley, Julia A. McIntosh, Roger M.H. Smith, Christian A. Sidor
By
Geology, Geophysics, and Geochemistry Science Center
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