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Morphological computation of dune evolution with equilibrium and non-equilibrium sediment-transport models
Satomi Yamaguchi, Sanjay Giri, Yasuyuki Shimizu, Jonathan M. Nelson
2019, Water Resources Research (55) 8463-8477
This paper presents an exploratory study that comprises the implementation and comparison of different approaches and parameterization of sediment transport mechanisms in a process-based morphological model for simulating river dunes. The purpose of this study was to assess the underlying physical processes associated with sediment transport and dune evolution simulated...
Geology and assessment of undiscovered oil and gas resources of the East Greenland Rift Basins Province, 2008
Donald L. Gautier
Thomas E. Moore, Donald L. Gautier, editor(s)
2019, Professional Paper 1824-K
In 2007 the U.S. Geological Survey (USGS) completed an assessment of undiscovered, technically recoverable oil and gas resources in the East Greenland Rift Basins Province of Northeast Greenland. The province was selected as the prototype for the U.S. Geological Survey Circum-Arctic Resource Appraisal (CARA). In collaboration with the Geological Survey...
Managing sand along the Colorado River to protect cultural sites downstream of Glen Canyon Dam
Terri Cook, Amy East, Helen Fairley, Joel B. Sankey
2019, Fact Sheet 2019-3054
The construction of Glen Canyon Dam in northern Arizona has greatly reduced the supply of sand to the Colorado River corridor through Glen Canyon National Recreation Area and Grand Canyon National Park, hereafter referred to as Glen Canyon and Grand Canyon, respectively. This deficit has strongly affected the natural sediment...
Morphodynamic modeling of the response of two barrier islands to Atlantic hurricane forcing
Marlies van der Lugt, Ellen Quataert, Ap van Dongeren, Maarten van Ormondt, Christopher R. Sherwood
2019, Estuarine, Coastal and Shelf Science (229)
The accurate prediction of a barrier island response to storms is challenging because of the complex interaction between hydro- and morphodynamic processes that changes at different stages during an event. Assessment of the predictive skill is further complicated because of uncertainty in the hydraulic forcing, initial conditions, and the parameterization...
Conservation of temporary wetlands
Dani Boix, Aram J.K. Calhoun, David M. Mushet, Kathleen P. Bell, James A. Fitzsimons, Francis Isselin-Nondedeu
2019, Book chapter, Reference Module in Earth Systems and Environmental Sciences
Temporary wetlands are characterized by frequent drying resulting in a unique, highly specialized assemblage of often rare or specialized plant and animal species. They are found on all continents and in a variety of landscape settings. Although accurate estimates of the abundance of temporary wetlands are available in only a...
Modeling control of Common Carp (Cyprinus carpio) in a shallow lake–wetland system
James B Pearson, Jason B. Dunham, J Ryan Bellmore, Donald E. Lyons
2019, Wetlands Ecology and Management (27) 663-682
The introduction of Common Carp (Cyprinus carpio) into North American waterways has led to widespread alteration of aquatic ecosystems. Control of this invader has proven extremely difficult due to its capacity for rapid population growth. To help understand how Common Carp can potentially be controlled we developed a population dynamics...
Foraging ecology mediates response to ecological mismatch during migratory stopover
A. M. Tucker, Conor P. McGowan, M. Catalano, A. Derose-Wilson, R. A. Robinson, J. Zimmerman
2019, Ecosphere (10)
Impacts of ecological mismatches should be most pronounced at points of the annual cycle when populations depend on a predictable, abundant, and aggregated food resource that changes in timing or distribution. The degree to which species specialize on a key prey item, therefore, should determine their sensitivity to mismatches. We...
Wing abnormality in wild-hatched Whooping Crane (Grus americana) chick from the Louisiana nonmigratory population
Phillip L. Vasseur, Sara E. Zimorski, Eva K Szyszkoski, James M LaCour, Julia S. Lankton
2019, Journal of Wildlife Diseases (55) 954-957
We describe a wing abnormality present in a wild-hatched Whooping Crane (Grus americana) chick from the reintroduced Louisiana nonmigratory population. Despite its compromised flight ability, the chick fledged, reached independence, and lived until 13 months of age. Necropsy revealed a healed fracture near the left carpus likely resulting from trauma....
Interactions of microhabitat and time control grassland bacterial and fungal composition
Michaeline BN Albright, Rebecca C. Mueller, La Verne Gallegos-Graves, Jayne Belnap, Sasha C. Reed, Cheryl R. Kuske
2019, Frontiers in Ecology and Evolution (7)
Dryland grasslands are vast and globally important and, as in all terrestrial ecosystems, soil microbial communities play fundamental roles in regulating dryland ecosystem function. A typical characteristic of drylands is the spatial mosaic of vascular plant cover surrounded by interspace soils, where biological soil crusts (biocrusts)—a complex community of...
Prioritizing chemicals of ecological concern in Great Lakes tributaries using high-throughput screening data and adverse outcome pathways
Steven R. Corsi, Laura A. DeCicco, Daniel L. Villeneuve, Brett Blackwell, Kellie Fay, Gerald Ankley, Austin K. Baldwin
2019, Science of the Total Environment (686) 995-1009
Chemical monitoring data were collected in surface waters from 57 Great Lakes tributaries from 2010-13 to identify chemicals of potential biological relevance and sites at which these chemicals occur. Traditional water-quality benchmarks for aquatic life based on in vivo toxicity data were available for 34 of 67 evaluated chemicals. To...
Pathogen prevalence in American black bears (Ursus americanus) of the Jemez Mountains, New Mexico, USA
Susan M. Bard, James W. Cain III
2019, Journal of Wildlife Diseases (55) 745-754
Informed management of American black bears (Ursus americanus) requires knowledge of the distribution and pathology of diseases affecting the species. Little information is available on pathogen prevalence from black bear populations in the Southwest, US, and it is unknown how these infections may influence black...
Withdrawal and consumption of water by thermoelectric power plants in the United States, 2015
Melissa A. Harris, Timothy H. Diehl
2019, Scientific Investigations Report 2019-5103
The U.S. Geological Survey has developed models to estimate thermoelectric water use based on linked heat and water budgets. The models produced plant-level withdrawal and consumption estimates using consistent methods for 1,122 water-using, utility-scale thermoelectric power plants in the United States for 2015. Total estimated withdrawal for 2015 was about...
Groundwater/surface-water interactions along Ellerbe Creek in Durham, North Carolina, 2016–18
Dominick J. Antolino
2019, Scientific Investigations Report 2019-5097
An assessment of groundwater/surface-water interactions along Ellerbe Creek, a major tributary to upper Falls Lake in Durham County, North Carolina, was conducted from July 2016 to March 2018 to determine if groundwater is a likely source of elevated nitrate input to the stream. Groundwater/surface-water interactions were characterized by synoptic streamflow...
Water for Long Island: Now and for the future
John P. Masterson, Robert F. Breault
2019, Fact Sheet 2019-3052
Do you ever wonder where your water comes from? If you live in Nassau or Suffolk County, the answer is, groundwater. Groundwater is water that started out as precipitation (rain and snow melt) and seeped into the ground. This seepage recharges the freshwater stored underground, in the spaces between the...
Earthquake arrival association with backprojection and graph theory
Ian McBrearty, Joan S. Gomberg, Andrew Delorey, Paul Johnson
2019, Bulletin of the Seismological Society of America (109) 2510-2531
The association of seismic‐wave arrivals with causative earthquakes becomes progressively more challenging as arrival detection methods become more sensitive, and particularly when earthquake rates are high. For instance, seismic waves arriving across a monitoring network from several sources may overlap in time, false arrivals may be detected, and some arrivals...
Spatial and temporal variation in river corridor exchange across a 5th order mountain stream network
Adam S Ward, Steven Wondzell, Noah Schmadel, Skuyler Herzog, Jay P. Zarnetske, Viktor Baranov, Phillip J Blaen, Nicolai Brekenfeld, Rosalie Chu, Romain Derelle, Jennifer D. Drummond, Jan Fleckenstein, Vanessa Garayburu-Caruso, Emily B. Graham, David Hannah, Ciaran Harman, Jase Hixson, Julia L.A. Knapp, Stefan Krause, Marie Kurz, Jorg Lewandowski, Angang Li, Eugènia Martí, Melinda Miller, Alexander Milner, Kerry Neil, Luisa Orsini, Aaron I. Packman, Stephen Plont, Lupita Renteria, Kevin Roche, Todd V Royer, Catalina Segura, James Stegen, Jason Toyoda, Jacqueline Wells, Nathan Wisnoski
2019, Hydrology and Earth System Sciences (23) 5199-5225
Although most field and modeling studies of river corridor exchange have been conducted a scales ranging from 10’s to 100’s of meters; results of these studies are used to predict their ecological and hydrological influences at the scale of river networks. Further complicating prediction, exchanges are expected to vary with...
Hydrologic conditions in Kansas, water year 2018
Angela H. Unrein
2019, Fact Sheet 2019-3042
The U.S. Geological Survey, in cooperation with Federal, State, and local agencies, maintains a long-term network of hydrologic monitoring stations in Kansas. In water year 2018, this network included 219 real-time streamgages. A water year is the 12-month period from October 1 through September 30 and is designated by the calendar year in which...
Geology of the Monte Blanco borate deposits, Furnace Creek Wash, Death Valley, California
S.J. Muessig, W.M. Pennell, Jeffrey R. Knott, James P. Calzia
2019, Open-File Report 2019-1111
The Monte Blanco borate deposits are located along the southern margin of Death Valley’s Furnace Creek Wash, south of Twenty Mule Team Canyon road in California. Topographic and geologic mapping by S. Muessig and F.M. Byers, Jr., in 1954 documented these deposits’ geologic settings, geometries, mineralogies, and chemical characteristics. They...
The effects of management practices on grassland birds—Eastern Meadowlark (Sturnella magna)
Scott D. Hull, Jill A. Shaffer, Lawrence D. Igl
2019, Professional Paper 1842-MM
The key to Eastern Meadowlark (Sturnella magna) management is providing large areas of contiguous grassland of moderate height with significant grass cover and moderate forb density. Eastern Meadowlarks have been reported to use habitats with 10–187 centimeters (cm) average vegetation height, 6–88 cm visual obstruction reading, 53–86 percent grass cover,...
The effects of management practices on grassland birds—Ferruginous Hawk (Buteo regalis)
Jill A. Shaffer, Lawrence D. Igl, Douglas H. Johnson, Marriah L. Sondreal, Christopher M. Goldade, Amy L. Zimmerman, Jason P. Thiele, Betty R. Euliss
2019, Professional Paper 1842-N
Keys to Ferruginous Hawk (Buteo regalis) management are providing suitable nest sites, protecting active nest areas from human disturbance, and providing suitable habitat for prey....
The effects of management practices on grassland birds—Northern Harrier (Circus hudsonius)
Jill A. Shaffer, Lawrence D. Igl, Douglas H. Johnson, Marriah L. Sondreal, Christopher M. Goldade, Jason P. Thiele, Betty R. Euliss
2019, Professional Paper 1842-L
The key to Northern Harrier (Circus hudsonius) management is providing tall, dense vegetation in extensive mesic or xeric grasslands or in wetlands. Northern Harriers have been reported to use habitats with 15–106 centimeter (cm) average vegetation height, 28–75 cm visual obstruction reading, 24–53 percent grass cover, 18–25 percent forb cover,...
The effects of management practices on grassland birds—Greater Sage-Grouse (Centrocercus urophasianus)
Mary M. Rowland
2019, Professional Paper 1842-B
Keys to Greater Sage-Grouse (Centrocercus urophasianus) management are maintenance of expansive stands of sagebrush (Artemisia species [spp.]), especially varieties of big sagebrush (Artemisia tridentata) with abundant forbs in the understory, particularly during spring; undisturbed and somewhat open sites for leks; and healthy perennial grass and forb stands intermixed with sagebrush...
Regression models for estimating sediment and nutrient concentrations and loads at the Iroquois River near Foresman, Indiana, March 2015 through July 2018
Timothy R. Lathrop, Aubrey R. Bunch, Myles S. Downhour, Daniel M. Perkins
2019, Scientific Investigations Report 2019-5087
In 2015, the U.S. Geological Survey, in cooperation with the Iroquois River Conservancy District, deployed continuous water-quality monitors and began collecting representative discrete water-quality samples at the Iroquois River near Foresman, Indiana, streamflow-gaging station (U.S. Geological Survey station 05524500). By relating continuously monitored water-quality data and discrete water-quality samples collected...
Viability of Razorback-Flannelmouth Sucker hybrids
Pilar N. Wolters, David L. Rogowski, David Ward, Alice C. Gibb
2019, The Southwestern Naturalist (63) 280-283
Razorback sucker (Xyrauchen texanus) and flannelmouth sucker (Catostomus latipinnis) live in sympatry in the Colorado River basin. Although morphological intermediates have been described since 1889, hybrids were seemingly rare. Rarity of hybrids was likely attributed to razorback suckers' ability to find conspecific mates throughout the basin. Dams have segmented the...