Hydrogeologic characterization and assessment of bioremediation of chlorinated benzenes and benzene in wetland areas, Standard Chlorine of Delaware, Inc. Superfund Site, New Castle County, Delaware, 2009-12
Michelle M. Lorah, Charles W. Walker, Anna C. Baker, Jessica A. Teunis, Emily Majcher, Michael J. Brayton, Jeff P. Raffensperger, Isabelle M. Cozzarelli
2015, Scientific Investigations Report 2014-5140
Wetlands at the Standard Chlorine of Delaware, Inc. Superfund Site (SCD) in New Castle County, Delaware, are affected by contamination with chlorobenzenes and benzene from past waste storage and disposal, spills, leaks, and contaminated groundwater discharge. In cooperation with the U.S. Environmental Protection Agency, the U.S. Geological Survey began an...
Depletion of florfenicol amine in tilapia (Oreochromis sp.) maintained in a recirculating aquaculture system following Aquaflor®-medicated feed therapy
Mark P. Gaikowski, Melissa K. Whitsel, Shawn Charles, Susan M. Schleis, Louis S. Crouch, Richard G. Endris
2015, Aquaculture Research (46) 1842-1857
Aquaflor® [50% w w−1 florfenicol (FFC)], is approved for use in freshwater‐reared warmwater finfish which include tilapia Oreochromis spp. in the United States to control mortality from Streptococcus iniae. The depletion of florfenicol amine (FFA), the marker residue of FFC, was evaluated after feeding FFC‐medicated feed to deliver a nominal 20 mg FFC kg−1 BW d−1 dose (1.33× the label use of...
USGS46 Greenland ice core water – A new isotopic reference material for δ2H and δ18O measurements of water
Tyler B. Coplen, Haiping Qi, Lauren V. Tarbox, Jennifer M. Lorenz, Bryan Buck
2015, Geostandards and Geoanalytical Research (38) 153-157
Ice core from Greenland was melted, filtered, homogenised, loaded into glass ampoules, sealed, autoclaved to eliminate biological activity, and calibrated by dual-inlet isotope-ratio mass spectrometry. This isotopic reference material (RM), USGS46, is intended as one of two secondary isotopic reference waters for daily normalisation of stable hydrogen (δ2H) and stable...
Can treatment and disposal costs be reduced through metal recovery?
Kathleen S. Smith, Linda Figueroa, Geoffrey S. Plumlee
2015, Conference Paper
This paper describes a framework to conduct a “metal-recovery feasibility assessment” for mining influenced water (MIW) and associated treatment sludge. There are multiple considerations in such a determination, including the geologic/geochemical feasibility, market feasibility, technical feasibility, economic feasibility, and administrative feasibility. Each of these considerations needs to be evaluated to...
Estimating evapotranspiration and groundwater flow from water-table fluctuations for a general wetland scenario
Martha L. Carlson Mazur, Michael J. Wiley, Douglas A. Wilcox
2015, Ecohydrology (7) 378-390
The use of diurnal water-table fluctuation methods to calculate evapotranspiration (ET) and groundwater flow is of increasing interest in ecohydrological studies. Most studies of this type, however, have been located in riparian wetlands of semi-arid regions where groundwater levels are consistently below topographic surface elevations and precipitation events are infrequent....
Geohydrologic and water-quality characterization of a fractured-bedrock test hole in an area of Marcellus shale gas development, Tioga County, Pennsylvania
John H. Williams, Dennis W. Risser, Clifford H. Dodge
2015, Open-File Report 15-24.0
An integrated analysis of core, geophysical logs, gas isotopes, and specific-depth water-quality samples from the Cherry Flats test hole was used to characterize the stratigraphy, water-bearing zones, and groundwater quality at a site in southern Tioga County, Pennsylvania. The study was completed as a cooperative effort between the Pennsylvania Department...
Deep-Water Acoustic Anomalies from Methane Hydrate in the Bering Sea
Warren T. Wood, Ginger A. Barth, David W. Scholl, Nina Lebedeva-Ivanova
2015, Report, NRL Review
A recent expedition to the central Bering Sea, one of the most remote locations in the world, has yielded observations confirming gas and gas hydrates in this deep ocean basin. Significant sound speed anomalies found using inversion of pre-stack seismic data are observed in association with variable seismic amplitude anomalies in...
Sequence stratigraphic framework of upper pliocene to holocene sediments of the Los Angeles Basin, California: Implications for aquifer architecture
Kenneth D. Ehman, Brian D. Edwards, Daniel J. Ponti
2015, Book
Executive Summary Groundwater provides more than one-third of the municipal water supply for the coastal Los Angeles Basin and defining the aquifer architecture is a high priority for ground-water managers. Sequence stratigraphy, the state-of-the-art method for delineating reservoir geometry and continuity in the petroleum industry, is now being incorporated into ground water...
Limnology of the Green Lakes Valley: Phytoplankton ecology and dissolved organic matter biogeochemistry at a long-term ecological research site
Matthew P. Miller, Diane M. McKnight
2015, Plant Ecology and Diversity (8) 689-702
Background: Surface waters are the lowest points in the landscape, and therefore serve as excellent integrators and indicators of changes taking place in the surrounding terrestrial and atmospheric environment.Aims: Here we synthesise the findings of limnological studies conducted during the past 15 years in streams and lakes in the Green...
Climate-induced changes in lake ecosystem structure inferred from coupled neo- and paleoecological approaches
Jasmine E. Saros, Jeffery R. Stone, Gregory T. Pederson, Krista Slemmons, Trisha Spanbauer, Anna Schliep, Douglas Cahl, Craig E. Williamson, Daniel R. Engstrom
2015, Ecology (93) 2155-2164
Over the 20th century, surface water temperatures have increased in many lake ecosystems around the world, but long-term trends in the vertical thermal structure of lakes remain unclear, despite the strong control that thermal stratification exerts on the biological response of lakes to climate change. Here we used both neo-...
The transboundary nature of seabird ecology
Patrick G.R. Jodice, Robert M. Suryan
2015, Book chapter, Landscape-scale conservation planning
The term ‘seabird’ is generally applied to avian species that forage in the marine environment over open water. Seabirds typically nest in colonies and are long-lived species with low annual reproductive rates. Seabird breeding sites typically occur on islands or along coasts and as such are often at the boundaries...
The role of floodplain restoration in mitigating flood risk, Lower Missouri River, USA
Robert B. Jacobson, Garth A. Lindner, Chance Bitner
Paul F. Hudson, Hans Middelkoop, editor(s)
2015, Book chapter, Geomorphic approaches to integrated floodplain management of lowland fluvial systems in North America and Europe
Recent extreme floods on the Lower Missouri River have reinvigorated public policy debate about the potential role of floodplain restoration in decreasing costs of floods and possibly increasing other ecosystem service benefits. The first step to addressing the benefits of floodplain restoration is to understand the interactions of flow, floodplain...
Hindcast of water availability in regional aquifer systems using MODFLOW Farm Process
Wolfgang Schmid, Randall T. Hanson, Claudia C. Faunt, Steven P. Phillips
2015, Conference Paper, Predictions for hydrology, ecology, and water resources management: Using data and models to benefit society
Coupled groundwater and surface-water components of the hydrologic cycle can be simulated by the Farm Process for MODFLOW (MF-FMP) in both irrigated and non-irrigated areas and aquifer-storage and recovery systems. MF-FMP is being applied to three productive agricultural regions of different scale in the State of California, USA, to assess...
Forecasting the combined effects of urbanization and climate change on stream ecosystems: from impacts to management options
Karen C. Nelson, Margaret A. Palmer, James E. Pizzuto, Glenn E. Moglen, Paul L. Angermeier, Robert H. Hilderbrand, Mike Dettinger, Katharine Hayhoe
2015, Journal of Applied Ecology (46) 154-163
Streams collect runoff, heat, and sediment from their watersheds, making them highly vulnerable to anthropogenic disturbances such as urbanization and climate change. Forecasting the effects of these disturbances using process-based models is critical to identifying the form and magnitude of likely impacts. Here, we integrate a new biotic model with...
National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9
2015, Techniques of Water-Resources Investigations 09
The mission of the Water Resources Discipline of the U.S. Geological Survey (USGS) is to provide the information and understanding needed for wise management of the Nation's water resources. Inherent in this mission is the responsibility to collect data that accurately describe the physical, chemical, and biological attributes of water...
Basin-scale phenology and effects of climate variability on global timing of initial seaward migration of Atlantic salmon (Salmo salar)
Jaime Otero, Jan Henning L’Abee-Lund, Theodore Castro-Santos, Kjell Leonardsson, Geir O. Storvik, Bror Jonsson, J. Brian Dempson, Ian C. Russell, Arne J. Jensen, Jean-Luc Bagliniere, Mélanie Dionne, John D. Armstrong, Atso Romakkaniemi, Benjamin H. Letcher, John F. Kocik, Jaakko Erkinaro, Russell Poole, Ger Rogan, Hans Lundqvist, Julian C. MacLean, Erkki Jokikokko, Jo Vegar Arnekleiv, Richard J. Kennedy, Eero Niemela, Pablo Caballero, Paul A. Music, Thorolfur Antonsson, Sigurdur Gudjonsson, Alexey E. Veselov, Anders Lamberg, Steve Groom, Benjamin H. Taylor, Malcolm Taberner, Mary Dillane, Fridthjofur Arnason, Gregg E. Horton, Nils A. Hvidsten, Ingi R. Jonsson, Nina Jonsson, Simon McKelvey, T. F. Naesje, Oystein Skaala, Gordon W. Smith, Harald Saegrov, N. C. Stenseth, Leif Asbjørn Vøllestad
2014, Global Change Biology (20) 61-75
Migrations between different habitats are key events in the lives of many organisms. Such movements involve annually recurring travel over long distances usually triggered by seasonal changes in the environment. Often, the migration is associated with travel to or from reproduction areas to regions of growth. Young anadromous Atlantic salmon...
Challenges and opportunities in protecting the Obed Wild and Scenic River
J. C. Hughes, J. R. Duncan, B. C. Harrold, Rodney R. Knight, William J. Wolfe
2014, Dynamiques Environnementales (31) 64-79
No abstract available....
Time-domain electromagnetic surveys at Fort Irwin, San Bernardino County, California, 2010–12
Matthew K. Burgess, Paul A. Bedrosian
David C. Buesch, editor(s)
2014, Open-File Report 2013-1024-F
Between 2010 and 2012, a total of 79 time-domain electromagnetic (TEM) soundings were collected in 12 groundwater basins in the U.S. Army Fort Irwin National Training Center (NTC) study area to help improve the understanding of the hydrogeology of the NTC. The TEM data are discussed in this chapter in...
Optimal water depth management on river-fed National Wildlife Refuges in a changing climate
Samuel Nicol, Brad Griffith, Jane E. Austin, Christine M. Hunter
2014, Climatic Change (124) 271-284
The prairie pothole region (PPR) in the north-central United States and south-central Canada constitutes the most important waterfowl breeding area in North America. Projected long-term changes in precipitation and temperature may alter the drivers of waterfowl abundance: wetland availability and emergent vegetation cover. Previous studies have focused on isolated wetland...
Empirical models for predicting volumes of sediment deposited by debris flows and sediment-laden floods in the transverse ranges of southern California
Joseph E. Gartner, Susan H. Cannon, Paul M Santi
2014, Engineering Geology (176) 45-56
Debris flows and sediment-laden floods in the Transverse Ranges of southern California pose severe hazards to nearby communities and infrastructure. Frequent wildfires denude hillslopes and increase the likelihood of these hazardous events. Debris-retention basins protect communities and infrastructure from the impacts of debris flows and sediment-laden floods and also provide...
Response to L. Land comment on Bricker, Rice, Bricker (2014) From Headwaters to Coast: Influence of human activities on water quality of the Potomac River Estuary. Aquatic Geochemistry 20: 291-324
Suzanne B. Bricker, Karen C. Rice, III Owen Bricker Owen, P.
2014, Aquatic Geochemistry (20) 459-463
Overabundance of nutrients is considered one of the top challenges to most populated coastal water bodies, including Chesapeake Bay (Executive Order 13508). As scientists, one of our responsibilities is to contribute to the discussion and evaluation of management actions that have the potential to decrease pollution with concomitant improvement of...
Comparison of mineral weathering and biomass nutrient uptake in two small forested watersheds underlain by quartzite bedrock, Catoctin Mountain, Maryland, USA
Karen C. Rice, Jason R. Price
2014, Aquatic Geochemistry (20) 225-242
To quantify chemical weathering and biological uptake, mass-balance calculations were performed on two small forested watersheds located in the Blue Ridge Physiographic Province in north-central Maryland, USA. Both watersheds, Bear Branch (BB) and Fishing Creek Tributary (FCT), are underlain by relatively unreactive quartzite bedrock. Such unreactive bedrock and associated low...
Groundwater conditions in Utah, spring of 2014
Carole B. Burden, Adam S. Birken, Steven J. Gerner, John P. Carricaburu, V. Noah Derrick, Paul Downhour, Lincoln Smith, Robert J. Eacret, Travis L. Gibson, Bradley A. Slaugh, Nickolas R. Whittier, James H. Howells, Howard K. Christiansen, Martel J. Fisher
2014, Cooperative Investigations Report 55
This is the fifty-first in a series of annual reports that describe groundwater conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Department of Natural Resources, Division of Water Rights, and the Utah Department of Environmental Quality, Division of Water Quality, provide...
Fate of nutrients in shallow groundwater receiving treated septage, Malibu, CA
John A. Izbicki
2014, Groundwater (52) 218-233
Treated wastewater discharged from more than 400 onsite wastewater treatment systems (OWTS) near the Civic Center area of Malibu, California, 40 km west of downtown Los Angeles, composes 28% of the recharge to a 3.4 km2 alluvial aquifer. On the basis of δ18O and δD data, the fraction of wastewater in...
Fine scale habitat use by age-1 stocked muskellunge and wild northern pike in an upper St. Lawrence River bay
John M. Farrell, Kevin L. Kapuscinski, H. Brian Underwood
2014, Journal of Great Lakes Research (40, Supplement 2) 148-153
Radio telemetry of stocked muskellunge (n = 6) and wild northern pike (n = 6) was used to track late summer and fall movements from a common release point in a known shared nursery bay to test the hypothesis that age-1 northern pike and stocked muskellunge segregate and have different habitat affinities. Water depth,...
