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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The ~400 yr B.P. eruption of Half Cone, a post-caldera composite cone within Aniakchak caldera, Alaska Peninsula The ~400 yr B.P. eruption of Half Cone, a post-caldera composite cone within Aniakchak caldera, Alaska Peninsula
Aniakchak volcano is a historically active caldera located on the central Alaska Peninsula. The largest eruption from Aniakchak since the ~3,400 yr B.P. caldera-forming eruption occurred ~400 yr B.P. from Half Cone volcano, an intracaldera composite cone on the northwest floor of the Aniakchak caldera that was largely destroyed by the eruption. The ~400 yr B.P. eruption produced a widely...
Authors
Brandon Browne, Christina A. Neal, Charles R. Bacon
Elevating human dimensions of amphibian and reptile conservation, a USA perspective Elevating human dimensions of amphibian and reptile conservation, a USA perspective
Increasing threats to amphibian and reptile species raise the urgency of their conservation. However, relative to other vertebrate groups at risk, amphibians and reptiles have low and more variable social capital; they are not generally high-priority natural goods and services valued by people. Consequently, relative to other groups such as birds, mammals, and economically important fish...
Authors
Deanna H. Olson, David S. Pilliod
To catch a (marsh) predator: Modified trapping methods for breeding and wintering Northern Harriers (Circus hudsonius) To catch a (marsh) predator: Modified trapping methods for breeding and wintering Northern Harriers (Circus hudsonius)
Although there are a variety of methods available for trapping raptors, some species, such as Northern Harriers (Circus hudsonius), are not easily captured with standard methods. We tested several existing trapping methods and modified two of them based on Northern Harrier ecology and behavior across seasons in a study population in California. No previously successful methods described...
Authors
Shannon Skalos, Michael L. Casazza, Matthew J. Falcon, William Thein, Joshua M. Hull
In situ recording of Mars soundscape In situ recording of Mars soundscape
Prior to the Perseverance rover landing, the acoustic environment of Mars was unknown. Models predicted that: (i) atmospheric turbulence changes at centimeter scales or smaller at the point where molecular viscosity converts kinetic energy into heat1, (ii) the speed of sound varies at the surface with frequency2,3, and (iii) high frequency waves are strongly attenuated with distance in...
Authors
Sylvestre Maurice, Baptiste Chide, Naomi Murdoch, Ralph D. Lorenz, David Mimoun, Roger C. Wiens, Alexander E. Stott, X. Jacob, T. Bertrand, F. Montmessin, Nina L. Lanza, C. Alvarez-Llamas, S. M. Angel, M. Aung, J. Balaram, O. Beyssac, A. Cousin, G. Delory, O. Forni, T. Fouchet, Olivier Gasnault, H. Grip, M. Hecht, J. Hoffman, J. Laserna, J. Lasue, J. N. Maki, J. McClean, P. #NAME? Meslin, S. Le Mouélic, A. Munguira, C. E. Newman, J. A. Rodriguez Manfredi, J. Moros, A. Ollila, P. Pilleri, S.E. Schröder, M. de la Torre Juarez, T. Tzanetos, K. Stack, K. Farley, K. H. Williford, T. Acosta-Maeda, Ryan Anderson, D.M. Applin, G. Arana, M. Bassas-Portus, R. Beal, P.S.A. Beck, K. Benzerara, S. Bernard, P. Bernardi, T. Bosak, B. Bousquet, A.J. Brown, A. Cadu, P. Caïs, K. Castro, E. Clavé, S. M. Clegg, E. Cloutis, S. Connell, A. Debus, E. Dehouck, D. Delapp, C. Donny, A. Dorresoundiram, G. Dromart, B. Dubois, C. Fabre, A. Fau, W. F. Fischer, R. Francis, J. Frydenvang, Travis S.J. Gabriel, E. Gibbons, I. Gontijo, J. R. Johnson, H. Kalucha, E. Kelly, E. Knutsen, G. Lacombe, C. Legett, R. Leveille, E. Lewin, G. Lopez-Reyes, E. Lorigny, J. M. Madariaga, M. B. Madsen, S. Madsen, L. Mandon, N. Mangold, M. Mann, J.-A. Manrique, J. Martinez-Frias, L.E. Mayhew, F. Meunier, T. McConnochie, S. M. McLennan, G. Montagnac, V. Mousset, T. Aliste Nelson, R. T. Newell, Y. Parot, C. Pilorget, P. Pinet, G. Pont, C. Quantin-Nataf, B. Quertier, W. Rapin, A. Reyes-Newell, S. Robinson, L. Rochas, C. Royer, F. Rull, V. Sautter, S. Sharma, V. Shridar, A. Sournac, M. Toplis, I. Torre-Fdez, N. Turenne, A. Udry, M. Veneranda, D. Venhaus, D. Vogt, P. Willis
Post-fledging spatial dispersion and movement behaviour differs between cavity-nesting and open-cup nesting passerines Post-fledging spatial dispersion and movement behaviour differs between cavity-nesting and open-cup nesting passerines
Spatial dispersion and movement behaviour vary across animal taxa and can affect fitness. The reasons why species differ in movement behaviour of young and why some species form family groups and other species have dispersed young have been rarely addressed. We tested a hypothesis that spatial dispersion and movement behaviour of dependent young were influenced by their developmental...
Authors
Necmiye Sahin Arslan, Thomas E. Martin
Estimating soil moisture, actual evapotranspiration, climatic water deficit, and groundwater recharge during periods of drought for current and future climate conditions in Hawaiʻi Estimating soil moisture, actual evapotranspiration, climatic water deficit, and groundwater recharge during periods of drought for current and future climate conditions in Hawaiʻi
Mid- and end-of-century climate projections for the Hawaiian Islands indicate that rainfall is projected to decrease across large areas. In areas affected by drought or where the future climate becomes drier, reduced groundwater recharge can affect freshwater availability. Reduced rainfall can also reduce soil moisture, which can increase the risk of wildfire. Cloud-water interception...
Authors
Alan Mair, Delwyn S. Oki
Science and innovation for battling invasive carp Science and innovation for battling invasive carp
The U.S. Geological Survey (USGS) is the Federal Government’s independent research agency that conducts research to inform management of invasive species. Bighead, black, grass, and silver carp, which are native to China, were originally stocked in aquaculture facilities to control algae, snails, and vegetation. These species have invaded the Mississippi River and are now established...
Authors
Patrick M. Kocovsky
Searching for refuge: A framework for identifying site factors conferring resistance to climate-driven vegetation change Searching for refuge: A framework for identifying site factors conferring resistance to climate-driven vegetation change
Climate change is occurring at accelerated rates in high latitude regions such as Alaska, causing alterations in woody plant growth and associated ecosystem patterns and processes. Our aim is to assess the magnitude and speed that climate-induced changes in woody plant distribution and volume may be reduced and/or slowed by relatively static landscape features like physical...
Authors
Ann M. Raiho, Henry R. Scharf, Carl A. Roland, David K. Swanson, Sarah E. Stehn, Mevin Hooten
Landscape geomorphology and local-riverine features influence Broad Whitefish (Coregonus nasus) spawning habitat suitability in Arctic Alaska Landscape geomorphology and local-riverine features influence Broad Whitefish (Coregonus nasus) spawning habitat suitability in Arctic Alaska
Landscape-level geomorphic processes influence the spatial and temporal arrangement of fish habitats in freshwater ecosystems and fishes move across riverscapes, selecting a suite of habitats to maximise fitness. Here, we explore the influence of geomorphology on stream channel attributes and assess Broad Whitefish (Coregonus nasus) spawning habitat potential in the Colville River in...
Authors
Jason C. Leppi, Jeffrey A. Falke, Daniel J. Rinella, Mark S. Wipfli, Andrew C. Seitz, Matthew S. Whitman
2021 Lake Michigan lake trout working group report 2021 Lake Michigan lake trout working group report
No abstract available.
Authors
Charles P. Madenjian, Charles R. Bronte, Rick Clark, Ben Dickinson, Kevin Donner, Roger Gordon, Dale Hanson, John Janssen, Jory Jonas, Matthew Kornis, Steve Lenart, Dan Makauskas, Erik Olsen, Becky Redman, Jason Smith, Laura Schmidt, Ted Treska
Resisting ecosystem transformation through an intensive whole-lake fish removal experiment Resisting ecosystem transformation through an intensive whole-lake fish removal experiment
Lake ecosystems are shifting due to many drivers including climate change and landscape-scale habitat disturbance, diminishing their potential to support some fisheries. Walleye Sander vitreus (Mitchill) populations, which support recreational and tribal fisheries across North America, have declined in some lakes. Climate change, harvest, invasive species and concurrent increases in warm...
Authors
Holly Susan Embke, Stephen R. Carpenter, Daniel A. Isermann, Giancarlo Coppola, T. Douglas Beard, Abigail J. Lynch, Greg. G Sass, Zachary S. Feiner, M. Jake Vander Zanden
Using microbial source tracking to identify fecal contamination sources in Patchogue and Bellport Bays on Long Island, New York Using microbial source tracking to identify fecal contamination sources in Patchogue and Bellport Bays on Long Island, New York
The U.S. Geological Survey worked in cooperation with the New York State Department of Environmental Conservation to assess the potential sources of fecal contamination entering Patchogue and Bellport Bays, two embayments on the south shore of Suffolk County, Long Island, New York. Water samples are routinely collected by the New York State Department of Environmental Conservation in the...
Authors
Tristen N. Tagliaferri, Shawn C. Fisher, Christopher M. Kephart, Natalie Cheung, Ariel P. Reed, Robert J. Welk