Computational fluid dynamics simulations of the Late Pleistocene Lake Bonneville flood
Jose M. Abril-Hernandez, Raul Perianez, Jim E. O'Connor, Daniel Garcia-Castellanos
2018, Journal of Hydrology (561) 1-15
At approximately 18.0 ka, pluvial Lake Bonneville reached its maximum level. At its northeastern extent it was impounded by alluvium of the Marsh Creek Fan, which breached at some point north of Red Rock Pass (Idaho), leading to one of the largest floods on Earth. About 5320 km3 of water was discharged into...
Phase 1 studies summary of major findings of the South Bay Salt Pond Restoration Project, South San Francisco Bay, California
Laura Valoppi
2018, Open-File Report 2018-1039
Executive SummaryThe South Bay Salt Pond Restoration Project (Project) is one of the largest restoration efforts in the United States. It is located in South San Francisco Bay of California. It is unique not only for its size—more than 15,000 acres—but also for its location adjacent to one of...
Sperm quality biomarkers complement reproductive and endocrine parameters in investigating environmental contaminants in common carp (Cyprinus carpio) from the Lake Mead National Recreation Area
Jill A. Jenkins, Michael R. Rosen, Rassa O. Dale, Kathy R. Echols, Leticia Torres, Carla M. Wieser, Constance A. Kersten, S. Goodbred
2018, Environmental Research (163) 149-164
Lake Mead National Recreational Area (LMNRA) serves as critical habitat for several federally listed species and supplies water for municipal, domestic, and agricultural use in the Southwestern U.S. Contaminant sources and concentrations vary among the sub-basins within LMNRA. To investigate whether exposure to environmental contaminants is associated with alterations in...
Trends and habitat associations of waterbirds using the South Bay Salt Pond Restoration Project, San Francisco Bay, California
Susan E.W. De La Cruz, Lacy M. Smith, Stacy M. Moskal, Cheryl Strong, John Krause, Yiwei Wang, John Y. Takekawa
2018, Open-File Report 2018-1040
Executive SummaryThe aim of the South Bay Salt Pond Restoration Project (hereinafter “Project”) is to restore 50–90 percent of former salt evaporation ponds to tidal marsh in San Francisco Bay (SFB). However, hundreds of thousands of waterbirds use these ponds over winter and during fall and spring migration. To...
Validation of stable isotope ratio analysis to document the biodegradation and natural attenuation of RDX, ESTCP Project ER-201208
Paul B. Hatzinger, Mark E. Fuller, Neil C. Sturchio, J.K. Bohlke
2018, Report
Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is a common soil contaminant at current and former military facilities, including many training and testing ranges. Because RDX is readily transported through soils to the subsurface, this nitramine explosive now also impacts groundwater and drinking water at numerous locations across the country. A significant issue with RDX...
Defining “atmospheric river”: How the Glossary of Meteorology helped resolve a debate
F. Martin Ralph, Michael D. Dettinger, Mary M. Cairns, Thomas J. Galarneau, John Eylander
2018, Bulletin of the American Meteorological Society (99) 837-839
Since the term “atmospheric river” (AR) first appeared in modern scientific literature in the early 1990s, it has generated debate about the meaning of the concept. A common popular definition is something along the lines of a “river in the sky,” albeit as a river of water vapor rather than...
Genetic integrity, population status, and long-term viability of isolated populations of shoal bass in the upper Chattahoochee River basin, Georgia
Andrew T. Taylor, James M. Long
2018, Natural Resource Report NPS/CHAT/NRR-2018/1620
This report characterizes the status of multiple isolated Shoal Bass (Micropterus cataractae) populations in the upper Chattahoochee River basin (UCRB), Georgia. The Shoal Bass, a sport fish endemic to the Apalachicola-Chattahoochee-Flint River (ACF) basin, is a fluvial-specialist species considered vulnerable to local extirpations and extinction due to habitat fragmentation and...
Reduced thermal tolerance during salinity acclimation in brook trout (Salvelinus fontinalis) can be rescued by prior treatment with cortisol
Ciaran A. Shaugnessy, Stephen D. McCormick
2018, Journal of Experimental Biology (221)
The aims of this study were to assess whether thermal tolerance of brook trout (Salvelinus fontinalis) is affected during seawater (SW) acclimation and to investigate the role of cortisol in osmoregulation and thermal tolerance during SW acclimation. Freshwater (FW)-acclimated brook trout at 18°C (Tacc) were exposed to SW for 16 days,...
Assessing the risk of dreissenid mussel invasion in Texas based on lake physical characteristics and potential for downstream dispersal
Matthew A Barnes, Reynaldo Patino
2018, Report
ebra mussels (Dreissena polymorpha) and quagga mussels (Dreissena bugensis) were likely introduced from Ponto-Caspian Eurasia to the Laurentian Great Lakes inadvertently via ballast water release in the 1980s and have since spread across the US, including Texas. Their spread into the state, including reservoirs in both Brazos River and Colorado...
Groundwater flow and heat transport for systems undergoing freeze-thaw: Intercomparison of numerical simulators for 2D test cases
Christophe Grenier, Hauke Anbergen, Victor F. Bense, Quentin Chanzy, Ethan Coon, Nathaniel Collier, François Costard, Michel Ferry, Andrew Frampton, Jennifer M. Frederick, Julio Goncalves, Johann Holmen, Anne Jost, Samuel Kokh, Barret L. Kurylyk, Jeffrey M. McKenzie, John W. Molson, Emmanuel Mouche, Laurent Orgogozo, Romain Pannetier, Agnes Riviere, Nicolas Roux, Wolfram Ruhaak, Johanna Scheidegger, Jan-Olof Selroos, Rene Therrien, Patrik Vidstrand, Clifford I. Voss
2018, Advances in Water Resources (114) 196-218
In high-elevation, boreal and arctic regions, hydrological processes and associated water bodies can be strongly influenced by the distribution of permafrost. Recent field and modeling studies indicate that a fully-coupled multidimensional thermo-hydraulic approach is required to accurately model the evolution of these permafrost-impacted landscapes and groundwater systems. However, the relatively...
Multiple drivers, scales, and interactions influence southern Appalachian stream salamander occupancy
Kristen K. Cecala, John C. Maerz, Brian J. Halstead, John R. Frisch, Ted L. Gragson, Jeffrey Hepinstall-Cymerman, David S. Leigh, C. Rhett Jackson, James T. Peterson, Catherine M. Pringle
2018, Ecosphere (9) 1-19
Understanding how factors that vary in spatial scale relate to population abundance is vital to forecasting species responses to environmental change. Stream and river ecosystems are inherently hierarchical, potentially resulting in organismal responses to fine‐scale changes in patch characteristics that are conditional on the watershed context. Here, we address how...
Incorporating an approach to aid river and reservoir fisheries in an altered landscape
Shannon K. Brewer, Daniel E. Shoup, John Dattillo
2018, Cooperator Science Series 129-2018
Reservoir construction for human-use services alters connected riverine flow patterns and influences fish production. We sampled two pelagic fishes from two rivers and two reservoirs and related seasonal and annual hydrology patterns to the recruitment and growth of each species. River and reservoir populations of Freshwater Drum Aplodinotus grunniens reached...
Monogenetic origin of Ubehebe Crater maar volcano, Death Valley, California: Paleomagnetic and stratigraphic evidence
Duane E. Champion, Andrew J. Cyr, Judith Fierstein, Edward Hildreth
2018, Journal of Volcanology and Geothermal Research (354) 67-73
Paleomagnetic data for samples collected from outcrops of basaltic spatter at the Ubehebe Crater cluster, Death Valley National Park, California, record a single direction of remanent magnetization indicating that these materials were emplaced during a short duration, monogenetic eruption sequence ~ 2100 years ago. This conclusion is supported by geochemical data encompassing a narrow...
From top to bottom: Do Lake Trout diversify along a depth gradient in Great Bear Lake, NT, Canada?
Louise Chavarie, Kimberly L. Howland, Les N. Harris, Michael J. Hansen, William J. Harford, Colin P. Gallagher, Shauna M. Baillie, Brendan Malley, William M. Tonn, Andrew M. Muir, Charles C. Krueger
2018, PLoS ONE (13) 1-28
Depth is usually considered the main driver of Lake Trout intraspecific diversity across lakes in North America. Given that Great Bear Lake is one of the largest and deepest freshwater systems in North America, we predicted that Lake Trout intraspecific diversity to be organized along a depth axis within this...
Migratory behavior and physiological development as potential determinants of life history diversity in fall Chinook Salmon in the Clearwater River
Kenneth F. Tiffan, Tobias J. Kock, William P. Connor, Marshall C. Richmond, William A. Perkins
2018, Transactions of the American Fisheries Society (147) 400-413
We studied the influence of behavior, water velocity, and physiological development on the downstream movement of subyearling fall‐run Chinook Salmon Oncorhynchus tshawytscha in both free‐flowing and impounded reaches of the Clearwater and Snake rivers as potential mechanisms that might explain life history diversity in this stock. Movement rates and the percentage of...
Evaluating the conservation potential of tributaries for native fishes in the Upper Colorado River Basin
Brian G. Laub, Gary P. Thiede, William W. Macfarlane, Phaedra E. Budy
2018, Fisheries Magazine (43) 194-206
We explored the conservation potential of tributaries in the upper Colorado River basin by modeling native fish species richness as a function of river discharge, temperature, barrier‐free length, and distance to nearest free‐flowing main‐stem section. We investigated a historic period prior to large‐scale water development and a contemporary period. In...
Springs as hydrologic refugia in a changing climate? A remote sensing approach
Jennifer M. Cartwright, Henry M. Johnson
2018, Ecosphere (9) 1-22
Spring‐fed wetlands are ecologically important habitats in arid and semi‐arid regions. Springs have been suggested as possible hydrologic refugia from droughts and climate change; however, springs that depend on recent precipitation or snowmelt for recharge may be vulnerable to warming and drought intensification. Springs that are expected to maintain their...
River flow and riparian vegetation dynamics - implications for management of the Yampa River through Dinosaur National Monument
Michael L. Scott, Jonathan M. Friedman
2018, Natural Resource Report NPS/NRSS/WRD/NRR—2018/1619
This report addresses the relation between flow of the Yampa River and occurrence of herbaceous and woody riparian vegetation in Dinosaur National Monument (DINO) with the goal of informing management decisions related to potential future water development. The Yampa River in DINO flows through diverse valley settings, from the relatively...
Factors affecting long-term trends in surface-water quality in the Gwynns Falls watershed, Baltimore City and County, Maryland, 1998–2016
Emily H. Majcher, Ellen L. Woytowitz, Alexander J. Reisinger, Peter M. Groffman
2018, Open-File Report 2018-1038
Factors affecting water-quality trends in urban streams are not well understood, despite current regulatory requirements and considerable ongoing investments in gray and green infrastructure. To address this gap, long-term water-quality trends and factors affecting these trends were examined in the Gwynns Falls, Maryland, watershed during 1998–2016 in cooperation with Blue...
Proximate composition, lipid utilization and validation of a non‐lethal method to determine lipid content in migrating American shad Alosa sapidissima
Shannon Michael Bayse, Amy M. Regish, Stephen D. McCormick
2018, Journal of Fish Biology (92) 1832-1848
Lipid content forms the most important energy reserve in anadromous fish and can limit survival, migration and reproductive success. A fat meter was evaluated and compared with a traditional extractive method of measuring available lipid for migrating American shad Alosa sapidissima in the Connecticut River, U.S.A. The fat meter gives rapid (<10 s)...
A North American Hydroclimate Synthesis (NAHS) of the Common Era
Jessica R. Rodysill, Lesleigh Anderson, Thomas M. Cronin, Miriam C. Jones, Robert S. Thompson, David B. Wahl, Debra A. Willard, Jason A. Addison, Jay R. Alder, Katherine H. Anderson, Lysanna Anderson, John A. Barron, Christopher E. Bernhardt, Steven W. Hostetler, Natalie M. Kehrwald, Nicole Khan, Julie N. Richey, Scott W. Starratt, Laura E. Strickland, Michael Toomey, Claire C. Treat, G. Lynn Wingard
2018, Global and Planetary Change (162) 175-198
This study presents a synthesis of century-scale hydroclimate variations in North America for the Common Era (last 2000 years) using new age models of previously published multiple proxy-based paleoclimate data. This North American Hydroclimate Synthesis (NAHS) examines regional hydroclimate patterns and related environmental indicators, including vegetation, lake water elevation, stream flow...
Water-quality, bed-sediment, and biological data (October 2015 through September 2016) and statistical summaries of data for streams in the Clark Fork Basin, Montana
Kent A. Dodge, Michelle I. Hornberger, Matthew A. Turner
2018, Open-File Report 2017-1136
Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to...
Wave attenuation across a tidal marsh in San Francisco Bay
Madeline R. Foster-Martinez, Jessica R. Lacy, Matthew C. Ferner, Evan A. Variano
2018, Coastal Engineering (136) 26-40
Wave attenuation is a central process in the mechanics of a healthy salt marsh. Understanding how wave attenuation varies with vegetation and hydrodynamic conditions informs models of other marsh processes that are a function of wave energy (e.g. sediment transport) and allows for the incorporation of marshes into coastal protection...
The Ozark Plateaus Regional Aquifer Study—Documentation of a groundwater-flow model constructed to assess water availability in the Ozark Plateaus
Brian R. Clark, Joseph M. Richards, Katherine J. Knierim
2018, Scientific Investigations Report 2018-5035
Recent short-term drought conditions have emphasized the need to better understand the delicate balance between abundance, sustainability, and scarcity of groundwater in the Ozark Plateaus aquifer system. In 2014, the U.S. Geological Survey began construction of a groundwater-flow model as a tool for the assessment of groundwater availability in the...
Antibiotic-resistant Escherichia coli in migratory birds inhabiting remote Alaska
Andrew M. Ramey, Jorge Hernandez, Veronica Tyrlov, Brian D. Uher-Koch, Joel A. Schmutz, Clara Atterby, Josef D. Jarhult, Jonas Bonnedahl
2018, EcoHealth (15) 72-81
We explored the abundance of antibiotic-resistant Escherichia coli among migratory birds at remote sites in Alaska and used a comparative approach to speculate on plausible explanations for differences in detection among species. At a remote island site, we detected antibiotic-resistant E. coli phenotypes in samples collected from glaucous-winged gulls (<i...
