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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Modeling the influence of upper and lower shoreface dynamics on barrier island evolution Modeling the influence of upper and lower shoreface dynamics on barrier island evolution
Barrier island resilience to climate impacts depends on sediment redistribution between the subaqueous shoreface and subaerial barrier during sea-level rise and storms. However, autogenic interactions between the upper and lower shoreface and their influence on the subaerial barrier are poorly characterized. Here, we explore the influences of various shoreface components on barrier...
Authors
Rose Elizabeth Palermo, Jennifer L. Miselis, Daniel J. Ciarletta, Emily A Wei
Spatio-temporal evolution of distributed volcanic fields, case studies—Sierra Chichinautzin and Michoacán-Guanajuato, México Spatio-temporal evolution of distributed volcanic fields, case studies—Sierra Chichinautzin and Michoacán-Guanajuato, México
An analysis of 1,375 volcanoes in the Michoacán-Guanajuato (1,148 volcanoes in a 26,200 square-kilometer area) and Sierra Chichinautzin (227 volcanoes in a 3,500 square-kilometer area) volcanic fields in central Mexico identified patterns in the spatial and temporal distribution of past eruptions. A cluster agglomerative hierarchical method and kernel analysis confirmed that the...
Authors
Carmen Jaimes-Viera, Amiel Nieto-Torres, Ana Lillian Martin Del Pozzo, Aurelie Germa, Chuck Connor, Michael H. Ort, Paul Layer, Jeff Benowitz
Rare earth elements on the Moon Rare earth elements on the Moon
Rare earth elements (REEs) are a scarce but vital resource for our modern economies and lifestyles. Since the late 1990s, China has supplied the vast majority of the world’s refined REEs. Increasing global demand has broadened the search for REE deposits to unconventional places, including the Moon. Although most lunar rocks have very low REE concentrations, Apollo samples showed that...
Authors
Laszlo P. Keszthelyi, Joshua A. Coyan, Lori M. Pigue, Kristen A. Bennett, Travis S.J. Gabriel
Bioclimatic, demographic, and anthropogenic correlates of grizzly bear activity patterns in the Greater Yellowstone Ecosystem Bioclimatic, demographic, and anthropogenic correlates of grizzly bear activity patterns in the Greater Yellowstone Ecosystem
Plasticity of diel activity rhythms may be a key element for adaptations of wildlife populations to changing environmental conditions. In the last decades, grizzly bears Ursus arctos in the Greater Yellowstone Ecosystem (GYE) have experienced notable environmental fluctuations, including changes in availability of food sources and severe droughts. Although substantial research has been...
Authors
A. Donatelli, Mark Haroldson, Justin G. Clapp, P. Ciucci, Frank T. van Manen
The 1912 Ms 7.2 earthquake in the Denali region of central Alaska The 1912 Ms 7.2 earthquake in the Denali region of central Alaska
The 2002 Mw 7.9 earthquake in central Alaska ruptured 340 km on three faults—Susitna Glacier thrust fault, Denali fault, Totschunda fault—crossing both the Richardson Highway and the Alaska Pipeline. Its occurrence prompted renewed interest in historical large earthquakes that possibly originated on the Denali fault. One of these earthquakes was a Ms 7.2 event on July 7, 1912, which we...
Authors
Carl Tape, Marco Aquino-Lopez, Sean Bemis, Peter J. Haeussler, Jessalyn Ginnaty
Structural controls on splay fault rupture dynamics during Cascadia megathrust earthquakes Structural controls on splay fault rupture dynamics during Cascadia megathrust earthquakes
Great subduction earthquakes (Mw ≥ 8.0) can generate devastating tsunamis by rapidly displacing the seafloor and overlying water column. These potentially tsunamigenic seafloor offsets result from coseismic fault slip and deformation beneath or within the accretionary wedge. The mechanics of these shallow rupture phenomena and their dependence on subduction zone properties remain...
Authors
James Burkhardt Biemiller, Alice-Agnes Gabriel, Lydia M. Staisch, Thomas Ulrich, Audrey Dunham, Erin A. Wirth, Janet Watt, Madeleine C. Lucas, Anna Ledeczi
Systematic approach to prioritize wells for effective groundwater monitoring and management in the Arkansas Headwaters Basin, Colorado, USA Systematic approach to prioritize wells for effective groundwater monitoring and management in the Arkansas Headwaters Basin, Colorado, USA
Study regionThe Arkansas Headwaters Basin, an intermountain basin in the Southern Rocky Mountains of North America.Study focusOur specific focus is choosing a set of wells to support a possible future regional groundwater-surface water model that would support water management. We present a three-step process using multiple criteria to score, predict, and choose prioritized wells that...
Authors
Eleanor E. Fahrney, David C. Mays, Connor P. Newman
Demographic mechanisms of snowshoe hare population cycles in Yukon, Canada Demographic mechanisms of snowshoe hare population cycles in Yukon, Canada
One hundred years have elapsed since Charles Elton (1924) described the periodic fluctuations in North American snowshoe hare abundance, yet mechanisms underlying 9–11-year population cycles in snowshoe hares continue to be debated.We applied multistate capture–mark–recapture models to long-term field data (1977–2020) based on >20,000 captures of >7000 unique snowshoe hares (Lepus...
Authors
Madan K. Oli, Alice J Kenney, Rudy Boonstra, Stan Boutin, Dennis Murray, Thomas Jung, James E. Hines, Charles J Krebs
Geomorphic habitat response units for urban stream rehabilitation, Milwaukee, Wisconsin Geomorphic habitat response units for urban stream rehabilitation, Milwaukee, Wisconsin
Urban stream rehabilitation plans can benefit from knowledge of the landscape setting and vegetative communities that were adjacent to streams prior to urbanization. Downstream to upstream connections of these characteristics can be relevant for native migratory fish species that have a range of preferred spawning habitats. Based on a need for more quantitative data on these potential...
Authors
Faith A. Fitzpatrick, Shelby P. Sterner, James D. Blount, Jana S. Stewart
MIMAR-Net: Multiscale Inception-based Manhattan Attention Residual Network and its application to underwater image super-resolution MIMAR-Net: Multiscale Inception-based Manhattan Attention Residual Network and its application to underwater image super-resolution
In recent years, Single-Image Super-Resolution (SISR) has gained significant attention in the geoscience and remote sensing community for its potential to improve the resolution of low-quality underwater imagery. This paper introduces MIMAR-Net ( Multiscale Inception-based Manhattan Attention Residual Network), a new deep learning architecture designed to increase the spatial resolution...
Authors
Nusrat Zahan, Sidike Paheding, Ashraf Saleem, Timothy C. Havens, Peter C. Esselman
Local adaptation to climate has facilitated the global invasion of cheatgrass Local adaptation to climate has facilitated the global invasion of cheatgrass
Local adaptation may facilitate range expansion during invasions, but the mechanisms promoting destructive invasions remain unclear. Cheatgrass (Bromus tectorum), native to Eurasia and Africa, has invaded globally, with particularly severe impacts in western North America. We aimed to identify mechanisms and consequences of local adaptation in the North American cheatgrass invasion. We...
Authors
Diana Gamba, Megan Vahsen, Toby Matthew Maxwell, Nikki Pirtel, Seth Romero, Justin J. Van Ee, Amanda Penn, Aayudh Das, Rotem Ben-Zeev, Owen W. Baughman, C. Sean Blaney, Randy Bodkins, Shanta Budha-Magar, Stella M Copeland, Shannon L. Davis-Foust, Alvin Diamond, Ryan C. Donnelly, Peter W. Dunwiddle, David J. Ensing, Thomas A. Everest, Holly Hoitink, Martin C. Holdrege, Ruth A. Hufbauer, Sigitas Juzenas, Jesse M. Kalwij, Ekaterina Kashirina, Sang-Tae Kim, Marcin Klisz, Alina Klyueva, Michel Langeveld, Samuel Lutfy, Daniel Martin, Christopher L. Merkord, J. P. J. Morgan, Dávid U. Nagy, Jacqueline P. Ott, Radoslaw Puchalka, Lysandra A. Pyle, Leonid Rasran, Brian G. Rector, Christoph Rosche, Marina Sadykova, Robert K. Shriver, Alexandr Stanislavschi, Brian M. Starzomski, Rachel L. Stone, Kathryn G. Turner, Alexandra K. Urza, Acer VanWallendael, Carl-Adam Wegenschimmel, Justin Zweck, Cynthia S. Brown, Elizabeth A. Leger, Dana M. Blumenthal, Matthew Germino, Lauren M. Porensky, Mevin B. Hooten, Peter B. Adler, Jesse R. Lasky
Groundwater response to managed aquifer recharge at the Southeast Houghton Artificial Recharge Project in Tucson, Arizona Groundwater response to managed aquifer recharge at the Southeast Houghton Artificial Recharge Project in Tucson, Arizona
Managed aquifer recharge is a widespread practice for storing water in the subsurface as groundwater. At a managed aquifer recharge facility in southern Arizona, groundwater-level and repeat microgravity data were collected to monitor aquifer response. These data were used to inform parameter identification for an unsaturated-zone flow model used to simulate the recharge process. The...
Authors
Libby M. Wildermuth, Jeffrey R. Kennedy, Jacob L. Conrad