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Page 277, results 6901 - 6925

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Estimating flood magnitude and frequency for unregulated streams in Wisconsin
Sara B. Levin, Christopher A. Sanocki
2023, Scientific Investigations Report 2022-5118
Flood frequency characteristics and estimated flood discharges for the 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities were computed at 299 streamgaged locations in Wisconsin. The State was divided into four flood frequency regions using a cluster analysis to produce regions which are homogeneous with respect...
Over half a century record of limnology data from Lake Powell, desert southwest United States: From reservoir filling to present day (1964–2021)
Bridget Deemer, Caitlin M. Andrews, Kristin E. Strock, Nicholas Voichick, James Hensleigh, John Beaver, Robert Radtke
2023, Limnology and Oceanography Letters (8) 580-594
Lake Powell is a large water storage reservoir in the arid southwestern United States. Here, we present a 58-yr limnology dataset that captures water quality parameters from reservoir filling to present day (temperature, salinity, major ions, total suspended solids), as well as a 38-yr record of...
A novel non-destructive workflow for examining germanium and co-substituents in ZnS
Sarah M. Hayes, Ryan J. McAleer, Nadine M. Piatak, Sarah Jane White, Robert R. Seal, II
2023, Frontiers in Earth Science (11)
A suite of complementary techniques was used to examine germanium (Ge), a byproduct critical element, and co-substituent trace elements in ZnS and mine wastes from four mineral districts where germanium is, or has been, produced within the United States. This contribution establishes a comprehensive workflow for characterizing Ge...
Stochastic watershed model ensembles for long-range planning: Verification and validation
Ghazal Shabestanipour, Zachary P Brodeur, William H. Farmer, Scott Steinschneider, Richard M Vogel, Jonathan Lamontagne
2023, Water Resource Research (59)
Deterministic watershed models (DWMs) are used in nearly all hydrologic planning, design, and management activities, yet they cannot generate streamflow ensembles needed for hydrologic risk management (HRM). The stochastic component of DWMs is often ignored in practice, leading to a systematic bias in extreme events. Since traditional...
Investigations of ambient noise velocity variations in a region of induced seismicity near Greeley, Colorado
Thomas Clifford, Anne Sheehan, Morgan P. Moschetti
2023, The Seismic Record (3) 12-20
Wastewater injection has induced earthquakes in Northeastern Colorado since 2014. We apply ambient noise correlation techniques to determine temporal changes in seismic velocities in the region. We find no clear correlation between seismic velocity fluctuations and either injection volumes or seismicity patterns. We...
Maps of elevation of top of Pierre Shale and surficial deposit thickness with hydraulic properties from borehole geophysics and aquifers tests within and near Ellsworth Air Force Base, South Dakota, 2020–21
Colton J. Medler, William G. Eldridge, Todd M. Anderson, Stephanie N. Phillips
2023, Scientific Investigations Map 3502
The U.S. Geological Survey, in cooperation with the U.S. Air Force Civil Engineer Center, collected borehole geophysical data and completed simple aquifer tests to estimate the thickness and hydraulic properties of surficial deposits. The purpose of data collection was to create generalized contour maps of Pierre Shale elevation and surficial...
First nests of Endangered Nordmann’s Greenshank Tringa guttifer found in over 40 years indicate nesting plasticity
Konstantin S. Maslovsky, Philipp N. Maleko, Vladimir V. Pronkevich, Jonathan C. Slaght, Abby Powell
2023, Bird Conservation International (33)
Knowledge of the breeding ecology of Endangered Nordmann’s Greenshank Tringa guttifer is necessary to develop a comprehensive species-specific conservation plan. We found nine greenshank nests in Schaste Bay, Russian Far East during the summers of 2019–2021. These are the first nests found in over 40 years and the...
The EDMAP Program: Training the next generation of geologic mappers
Jenna L. Shelton, Christopher S. Swezey, Michael Marketti
2023, Fact Sheet 2023-3002
Introduction Detailed geologic maps are the basis of most earth science investigations and can be used for natural hazard mitigation, resource identification and exploration, infrastructure planning, and more. As a part of the U.S. Geological Survey (USGS) congressionally mandated National Cooperative Geologic Mapping Program (NCGMP), the EDMAP program (referred to as...
Estimating geomagnetically induced currents in southern Brazil using 3-D Earth resistivity model
Karen V. Espinosa Sarmiento, Antonio L. Padilha, Livia R. Alves, Adam Schultz, Anna Kelbert
2023, Space Weather (21)
Geomagnetically induced currents (GICs) result from the interaction of the time variation of ground magnetic field during a geomagnetic disturbance with the Earth's deep electrical resistivity structure. In this study, we simulate induced GICs in a hypothetical representation of a low-latitude power transmission network located mainly over...
Masting is shaped by tree-level attributes and stand structure, more than climate, in a Rocky Mountain conifer species
Andreas Wion, Ian Pearse, Kyle C. Rodman, Thomas T. Veblen, Miranda Redmond
2023, Forest Ecology and Management (531)
Masting describes the spatiotemporal variability in seed production by a population of plants. Both abiotic and biotic factors drive masting, but the importance of these factors can vary among individuals and populations. To better understand how a changing climate, altered disturbance regimes, or novel management strategies might affect future seed...
Recent and future declines of a historically widespread pollinator linked to climate, land cover, and pesticides
William Michael Janousek, Margaret R. Douglas, Syd Cannings, Marion Clement, Casey Delphia, Jeffrey Everett, Richard G. Hatfield, Douglas A. Keinath, Jonathan B Koch, Lindsie M. McCabe, John Michael Mola, Jane Ogilvie, Imtiaz Rangwala, Leif L Richardson, Ashley T. Rohde, James P. Strange, Lusha M. Tronstad, Tabitha A. Graves
2023, Proceedings of the National Academy of Sciences (120)
The acute decline in global biodiversity includes not only the loss of rare species, but also the rapid collapse of common species across many different taxa. The loss of pollinating insects is of particular concern because of the ecological and economic values these species provide. The western bumble bee (Bombus...
Effectiveness of a decade of treatments to reduce invasive buffelgrass (Pennisetum ciliare)
Yue M. Li, Seth M. Munson, Ya-Ching Lin, Perry Grissom
2023, Invasive Plant Science and Management (16) 27-37
The invasion of nonnative grasses threatens biodiversity and ecosystem function globally through competition with native plant species and increases to wildfire frequency and intensity. Management actions to reduce buffelgrass [Pennisetum ciliare (L.) Link], an invasive warm-season perennial bunchgrass, are widely implemented, with chemical and mechanical treatments extending...
Optimization and application of non-native Phragmites australis transcriptome assemblies
Feng Tao, Chuanzhu Fan, Yimin Liu, Subashini Sivakumar, Kurt P. Kowalski, Edward M Golenberg
2023, PLoS ONE (18)
Phragmites australis (common reed) has a cosmopolitan distribution and has been suggested as a model organism for the study of invasive plant species. In North America, the non-native subspecies (ssp. australis) is widely distributed across the contiguous 48 states in the United States and large parts of Canada....
A global perspective on bacterial diversity in the terrestrial deep subsurface
A. Soares, A. L. Edwards, A. Bagnoud, J. Bradley, Elliott Barnhart, M. Bomberger Brown, K. Budwill, S. M. Caffrey, M. Fields, J. Gralnick., V. Kadnikov, L. Momper, M. Osburn, A. Mu, J.W. Moreau, D. Moser, L. Purkamo, S. M. Rassner, C. S. Sheik, B. Sherwood Lollar, B. M. Toner, G. Voordouw, K. Wouters, A. C. Mitchell
2023, Microbiology (169)
While recent efforts to catalogue Earth’s microbial diversity have focused upon surface and marine habitats, 12–20 % of Earth’s biomass is suggested to exist in the terrestrial deep subsurface, compared to ~1.8 % in the deep subseafloor. Metagenomic studies of the terrestrial deep subsurface have yielded a trove of divergent and functionally...
Nitrogen-15 NMR study on the incorporation of nitrogen into aquatic NOM upon chloramination
Kevin A. Thorn
2023, Aquatic Sciences (85)
Chloramination is being used increasingly in water treatment to lower the formation of regulated disinfection byproducts (DBPs). How monochloramine nitrogen becomes incorporated into aquatic natural organic matter (NOM) and potentially affects the formation of nitrogenous DBPs is an unresolved question in the chemistry of humic...
The effects of substrate and sediment burial on survival of developing pallid sturgeon (Scaphirhynchus albus) and shovelnose sturgeon (S. platorynchus) embryos
Kimberly Chojnacki, Amy E. George, Aaron J. Delonay
2023, Environmental Biology of Fishes (106) 527-539
The shovelnose sturgeon (Scaphirhynchus platorynchus) and endangered pallid sturgeon (S. albus) deposit demersal and adhesive eggs in swift currents, near or over coarse substrate. Hydrographic surveys have demonstrated the dynamic nature of spawning habitats and that coarse substrates may episodically be buried (partially or completely)...
Damage amplification during repetitive seismic waves in mechanically loaded rocks
Anthony Lamur, Jackie E. Kendrick, Lauren N. Schaefer, Yan Lavallee, Ben M. Kennedy
2023, Scientific Reports (13)
Cycles of stress build-up and release are inherent to tectonically active planets. Such stress oscillations impart strain and damage, prompting mechanically loaded rocks and materials to fail. Here, we investigate, under uniaxial conditions, damage accumulation and weakening caused by time-dependent creep (at 60, 65, and...
Water Science School [Bookmark]
Tara A. Gross
2023, General Information Product 219
Introduction The U.S. Geological Survey’s online Water Science School is a one-stop shop for water education resources. In addition to sharing images, data, and diagrams, the Water Science School provides lesson plans for teachers as well as multiple interactive activities for students, such as questionnaires, calculators, and quizzes. This bookmark introduces...
Using the gut microbiome to assess stocking efforts of the endangered Pallid Sturgeon, Scaphirhynchus albus
Sarah Gaughan, John A. Kyndt, Justin D. Haas, Kirk D. Steffensen, Patrick M. Kocovsky, Kevin L. Pope
2023, Life (13)
The endangered Pallid Sturgeon, Scaphirhynchus albus, has been actively managed to prevent population declines, including stocking of hatchery-raised fish. The gut microbiome plays an innate role in an organism’s absorption of nutrients by increasing nutrient availability and can provide new insights for Pallid Sturgeon management. In this study, the Pallid...
Bioenergetics model for the nonnative Redside Shiner
Rachelle Carina Johnson, David Beauchamp, Julian D. Olden
2023, Transactions of the American Fisheries Society (152) 94-113
ObjectiveRedside Shiner Richardsonius balteatus has expanded from its native range in the Pacific Northwest region of North America to establish populations in six other western states. This expansion has fueled concerns regarding competition between Redside Shiner and native species, including salmonids. We developed a bioenergetic model for Redside Shiner,...
Habitat selection of a migratory freshwater fish in response to seasonal hypoxia as revealed by acoustic telemetry
Richard Kraus, H. Andrew Cook, Matthew D. Faust, Joseph Schmitt, Mark D. Rowe, Christopher S. Vandergoot
2023, Journal of Great Lakes Research (49) 1004-1014
Adaptive efforts to achieve water quality objectives by modifying nutrient loading can have attendant impacts on fish habitats and fisheries. Thus, coordinating fishery and water quality management depends on knowledge of fish behavioral responses to habitat change. This study combined acoustic telemetry of fish with water quality modeling to understand...
Using Global Fiducials Library high-resolution imagery, commercial satellite imagery, Landsat and Sentinel satellite imagery, and aerial photography to monitor change at East Timbalier Island, Louisiana, 1953–2021
Gary B. Fisher, E. Terrence Slonecker, Shawn J. Dilles, Bruce F. Molnia, Kim M. Angeli
2023, Scientific Investigations Report 2022-5107
This report documents morphological changes between 1953 and 2021 at East Timbalier Island, Louisiana, a Gulf of Mexico barrier island. East Timbalier Island, which was located west of the Mississippi River Delta at the front of Timbalier Bay, was one of the most rapidly changing barrier islands on Earth. Since...
A 1.2 billion pixel human-labeled dataset for data-driven classification of coastal environments
Daniel D. Buscombe, Phillipe Alan Wernette, Sharon Fitzpatrick, Jaycee Favela, Evan B. Goldstein, Nicholas Enwright
2023, Scientific Data (10)
The world’s coastlines are spatially highly variable, coupled-human-natural systems that comprise a nested hierarchy of component landforms, ecosystems, and human interventions, each interacting over a range of space and time scales. Understanding and predicting coastline dynamics necessitates frequent observation from imaging sensors on remote sensing...