Determination of the delta(2H/1H)of Water: RSIL Lab Code 1574
Kinga Revesz, Tyler B. Coplen
2008, Techniques and Methods 10-C1
Reston Stable Isotope Laboratory (RSIL) lab code 1574 describes a method used to determine the relative hydrogen isotope-ratio delta(2H,1H), abbreviated hereafter as d2H of water. The d2H measurement of water also is a component of the National Water Quality Laboratory (NWQL) schedules 1142 and 1172. The water is collected unfiltered...
Determination of the delta(15N/14N)of Ammonium (NH4+) in Water: RSIL Lab Code 2898
Janet E. Hannon, John Karl Böhlke
2008, Techniques and Methods 10-C15
The purpose of the technique described by Reston Stable Isotope Laboratory (RSIL) lab code 2898 is to determine the N isotopic composition, delta(15N/14N), abbreviated as d15N, of ammonium (NH4+) in water (freshwater and saline water). The procedure involves converting dissolved NH4+ into NH3 gas by raising the pH of the...
Artificial recharge through a thick, heterogeneous unsaturated zone
John A. Izbicki, Alan L. Flint, Christina L. Stamos
2008, Groundwater
Thick, heterogeneous unsaturated zones away from large streams in desert areas have not previously been considered suitable for artificial recharge from ponds. To test the potential for recharge in these settings, 1.3 x 106 m3 of water was infiltrated through a 0.36-ha pond along Oro Grande Wash near Victorville, California,...
An interactive Bayesian geostatistical inverse protocol for hydraulic tomography
Michael N. Fienen, Tom Clemo, Peter K. Kitanidis
2008, Water Resources Research (44)
Hydraulic tomography is a powerful technique for characterizing heterogeneous hydrogeologic parameters. An explicit trade-off between characterization based on measurement misfit and subjective characterization using prior information is presented. We apply a Bayesian geostatistical inverse approach that is well suited to accommodate a flexible model with the level of complexity driven...
Evolving magma storage conditions beneath Mount St. Helens inferred from chemical variations in melt inclusions from the 1980-1986 and current (2004-2006) eruptions
Jon Blundy, Katharine V. Cashman, Kim Berlo
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-33
Major element, trace element, and volatile concentrations in 187 glassy melt inclusions and 25 groundmass glasses from the 1980-86 eruption of Mount St. Helens are presented, together with 103 analyses of touching FE-Ti oxide pairs from the same samples. These data are used to evaluate the temporal evolution of...
Subsurface fate and transport of sulfamethoxazole, 4-nonylphenol, and 17β-estradiol
L. B. Barber, M. T. Meyer, D.R. LeBlanc, Dana W. Kolpin, Paul Radley, F. Chapelle, F. Rubio
2008, Conference Paper, Groundwater quality: Securing groundwater quality in urban and industrial environments
Subsurface fate and transport of the antibiotic sulfamethoxazole (SX), the non-ionic surfactant degradation product 4-nonylphenol (NP), and the sex hormone 17β-estradiol (E2) were evaluated in a plume of contaminated groundwater at Cape Cod, Massachusetts, USA. The plume is the result of 60 years of wastewater treatment plant effluent disposal into...
A multi-disciplinary approach to the removal of emerging contaminants in municipal wastewater treatment plants in New York state (2003-2004)
Patrick J. Philips, Beverley Stinson, Steven D. Zaugg, Edward T. Furlong, Dana W. Kolpin, Kathleen Esposito, B. Bodniewicz, R. Pape, J. Anderson
2008, Clear Waters (48) 48-59
Across the United States, there is a rapidly growing awareness of the occurrence and the toxicological impacts of natural and synthetic trace compounds in the environment. These trace compounds, referred to as emerging contaminants (ECs), are reported to cause a range of negative impacts in the environment, such as adverse...
Radar interferometry observations of surface displacements during pre- and coeruptive periods at Mount St. Helens, Washington, 1992-2005
Michael P. Poland, Zhong Lu
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-18
We analyzed hundreds of interferograms of Mount St. Helens produced from radar images acquired by the ERS-1/2, ENVISAT, and RADARSAT satellites during the 1992-2004 preeruptive and 2004-2005 coeruptive periods for signs of deformation associated with magmatic activity at depth. Individual interferograms were often contaminated by atmospheric delay anomalies; therefore, we...
Methane hydrates
Ray Boswell, Koji Yamamoto, Sung-Rock Lee, Timothy S. Collett, Pushpendra Kumar, Scott Dallimore
2008, Book chapter, Future energy: Improved, sustainable and clean options for our planet
Gas hydrate is a solid, naturally occurring substance consisting predominantly of methane gas and water. Recent scientific drilling programs in Japan, Canada, the United States, Korea and India have demonstrated that gas hydrate occurs broadly and in a variety of forms in shallow sediments of the outer continental shelves and...
Environmental presence and persistence of pharmaceuticals: An overview
Susan T. Glassmeyer, Dana W. Koplin, Edward T. Furlong, M. Focazio
2008, Book chapter, Fate of pharmaceuticals in the environment and in water treatment systems
Emerging contaminants (ECs) in the environment – that is, chemicals with domestic, municipal, industrial, or agricultural sources that are not commonly monitored but may have the potential for adverse environmental effects – is a rapidly growing field of research. The use of “emerging” is not intended to infer that the...
Petrology of the 2004-2006 Mount St. Helens lava dome -- implications for magmatic plumbing and eruption triggering
John S. Pallister, Carl R. Thornber, Katharine V. Cashman, Michael A. Clynne, Heather Lowers, Charlie Mandeville, Isabelle K. Brownfield, Gregory P. Meeker
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-30
Eighteen years after dome-forming eruptions ended in 1986, and with little warning, Mount St. Helens began to erupt again in October 2004. During the ensuing two years, the volcano extruded more than 80×106 m3 of gas-poor, crystal-rich dacite lava. The 2004-6 dacite is remarkably uniform in bulk-rock composition and, at...
Exposure assessment of veterinary medicines in aquatic systems
Chris Metcalfe, Alistair Boxall, Kathrin Fenner, Dana W. Kolpin, Eric Silberhorn, Jane Staveley
2008, Book chapter, Veterinary medicines in the environment
The release of veterinary medicines into the aquatic environment may occur through direct or indirect pathways. An example of direct release is the use of medicines in aquaculture (Armstrong et al. 2005; Davies et al. 1998), where chemicals used to treat fish are added directly to water. Indirect releases, in...
The effect of river regulations and ground-water discharge on the ecology of the riparian corridors of the Colorado River and tributaries
Donald O. Rosenberry
2008, Conference Paper, 36th congress of the International Association of Hydrogeologists
No abstract available....
Use of a groundwater flow model to assess the location, extent, and hydrologic properties of faults in the Rialto-Colton Basin, California
Linda R. Woolfenden
Eileen Poeter, Mary C. Hill, Chunmiao Zheng, editor(s)
2008, Conference Paper, MODFLOW and More 2008: Ground water and public policy — Conference proceedings
Faults within a groundwater basin can greatly influence the direction of groundwater flow and contaminant migration. Existing steady-state and transient groundwater flow models were used to assess the location, extent, and hydrologic properties of two alternative fault configurations within the Rialto-Colton basin. Adjustments were made to the hydrologic properties of...
Preface
Susan L. Brantley, J. D. Kubicki, Arthur F. White
Susan L. Brantley, J. D. Kubicki, Arthur F. White, editor(s)
2008, Book chapter, Kinetics of water-rock interaction
No abstract available....
Kinetics of water-rock interaction
Susan L. Brantley, J. D. Kubicki, Arthur F. White
2008, Book
No abstract available....
Quantitative approaches to characterizing natural chemical weathering rates
Arthur F. White
Susan L. Brantley, J. D. Kubicki, Arthur F. White, editor(s)
2008, Book chapter, Kinetics of water-rock interaction
Silicate minerals, constituting more than 90% of the rocks exposed at the earth’s surface, are commonly formed under temperature and pressure conditions that make them inherently unstable in surficial environments. Undoubtedly, the most significant aspect of chemical weathering resulting from this instability is the formation of soils which makes life...
Chlorine degassing during the lava dome-building eruption of Mount St. Helens, 2004-2005
Marie Edmonds, Kenneth A. McGee, Michael P. Doukas
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-27
Remote measurements of volcanic gases from the Mount St. Helens lava dome were carried out using OpenPath Fourier-Transform Infrared spectroscopy on August 31, 2005. Measurements were performed at a site ~1 km from the lava dome, which was used as a source of IR radiation. On average, during the period...
Pre- and post-eruptive investigations of gas and water samples from Mount St. Helens, Washington, 2002 to 2005
D. Bergfeld, William C. Evans, Kenneth A. McGee, Kurt R. Spicer
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-25
Samples of gas and water from thermal springs in Loowit and Step canyons and creeks that drain the crater at Mount St. Helens have been collected since October 2004 to monitor the flux of dissolved magmatic volatiles in the hydrologic system. The changing composition of the waters highlights a trend...
Detecting changes in riparian habitat conditions based on patterns of greenness change: A case study from the Upper San Pedro River Basin, USA
K. Bruce Jones, Curtis M. Edmonds, E. Terrence Slonecker, James Wickham, Anne Neale, Timothy G. Wade, Kurt H. Riitters, William Kepner
2008, Ecological Indicators (8) 89-99
Healthy riparian ecosystems in arid and semi-arid regions exhibit shifting patterns of vegetation in response to periodic flooding. Their conditions also depend upon the amount of grazing and other human uses. Taking advantage of these system properties, we developed and tested an approach that utilizes historical Landsat data to track changes in the patterns of greenness (Normalized Difference...
Overview of the 2004 to 2006, and continuing, eruption of Mount St. Helens, Washington
William E. Scott, David R. Sherrod, Cynthia A. Gardner
David R. Sherrod, William E. Scott, Peter H. Stauffer, editor(s)
2008, Professional Paper 1750-1
Rapid onset of unrest at Mount St. Helens on September 23, 2004, initiated an uninterrupted lava-dome-building eruption that continues to the time of writing this overview (spring 2006) for a volume of papers focused on this eruption. About three weeks of intense seismic unrest and localized surface uplift, punctuated by...
Relating streamflow characteristics to specialized insectivores in the Tennessee River Valley: a regional approach
Rodney R. Knight, M. Brian Gregory, Amy K. Wales
2008, Ecohydrology (1) 394-407
Analysis of hydrologic time series and fish community data across the Tennessee River Valley identified three hydrologic metrics essential to habitat suitability and food availability for insectivorous fish communities in streams of the Tennessee River Valley: constancy (flow stability or temporal invariance), frequency of moderate flooding (frequency of habitat disturbance),...
Subsidence reversal in a re-establish wetland in the Sacramento-San Joaquin Delta, California, USA
Robin L. Miller, Miranda S. Fram, Roger Fujii, Gail A. Wheeler
2008, San Francisco Estuary and Watershed Science (6)
The stability of levees in the Sacramento-San Joaquin Delta is threatened by continued subsidence of Delta peat islands. Up to 6 meters of land-surface elevation has been lost in the 150 years since Delta marshes were leveed and drained, primarily from oxidation of peat soils. Flooding subsided peat islands halts...
Integration of regional hydrologic modeling using FORTRAN and ArcGIS
Alan L. Flint, Lorraine E. Flint
2008, Water Resources Impact (10) 31-35
Seasonal and spatial variability in dissolved organic matter quantity and composition from the Yukon River basin, Alaska
R.G.M. Spencer, George Aiken, Kimberly P. Wickland, Rob Striegl, Peter J. Hernes
2008, Global Biogeochemical Cycles (22)
[1] The seasonal and spatial variability of dissolved organic matter (DOM) quantity and chemical composition were investigated in the Yukon River basin of Alaska, United States, and northwestern Canada. Dissolved organic carbon (DOC), chromophoric DOM (CDOM), and dissolved lignin phenols were measured across a range of source...
