Water quality of streams in Johnson County, Kansas, 2002-07
T. J. Rasmussen
2009, Conference Paper, Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers
Water quality of streams in Johnson County, Kansas was evaluated from October 2002 through December 2007 in a cooperative study between the U.S. Geological Survey and the Johnson County Stormwater Management Program. Water quality at 42 stream sites, representing urban and rural basins, was characterized by evaluating benthic macroinvertebrates, water...
Prediction of spectral acceleration response ordinates based on PGA attenuation
V. Graizer, E. Kalkan
2009, Earthquake Spectra (25) 39-69
Developed herein is a new peak ground acceleration (PGA)-based predictive model for 5% damped pseudospectral acceleration (SA) ordinates of free-field horizontal component of ground motion from shallow-crustal earthquakes. The predictive model of ground motion spectral shape (i.e., normalized spectrum) is generated as a continuous function of few parameters. The proposed...
A Multi-Level Approach to Outreach for Geologic Sequestration Projects
S.E. Greenberg, H.E. Leetaru, I.G. Krapac, K. Hnottavange-Telleen, R.J. Finley
2009, Conference Paper, Energy Procedia
Public perception of carbon capture and sequestration (CCS) projects represents a potential barrier to commercialization. Outreach to stakeholders at the local, regional, and national level is needed to create familiarity with and potential acceptance of CCS projects. This paper highlights the Midwest Geological Sequestration Consortium (MGSC) multi-level outreach approach which...
Features of lava lake filling and draining and their implications for eruption dynamics
W.K. Stovall, Bruce F. Houghton, A.J.L. Harris, D. A. Swanson
2009, Bulletin of Volcanology (71) 767-780
Lava lakes experience filling, circulation, and often drainage depending upon the style of activity and location of the vent. Features formed by these processes have proved difficult to document due to dangerous conditions during the eruption, inaccessibility, and destruction of features during lake drainage. Kilauea Iki lava lake, Kilauea, Hawai'i,...
Russian eruption warning systems for aviation
Christina A. Neal, Olga Girina, Sergey Senyukov, Alexander Rybin, Jeffery M. Osiensky, Pavel Izbekov, Gail Ferguson
2009, Natural Hazards (51) 245-262
More than 65 potentially active volcanoes on the Kamchatka Peninsula and the Kurile Islands pose a substantial threat to aircraft on the Northern Pacific (NOPAC), Russian Trans-East (RTE), and Pacific Organized Track System (PACOTS) air routes. The Kamchatka Volcanic Eruption Response Team (KVERT) monitors and reports on volcanic hazards to...
Short-Term responses of breeding birds of grassland and early successional habitat to timing of haying in Northwestern Arkansas
J.D. Luscier, W.L. Thompson
2009, Condor (111) 538-544
In 2003, we evaluated nest survival and density of the Dickcissel (Spiza americana), Eastern Meadowlark (Sturnella magna), Field Sparrow (Spizella pusilla), and Red-winged Blackbird (Agelaius phoeniceus) in four unhayed, two early-hayed (26-31 May) and three late-hayed (17-25 June) fields in northwestern Arkansas. Rope dragging and observations revealed 89 nests. Daily...
Modeling species occurrence dynamics with multiple states and imperfect detection
D.I. MacKenzie, J.D. Nichols, M.E. Seamans, R. J. Gutierrez
2009, Ecology (90) 823-835
Recent extensions of occupancy modeling have focused not only on the distribution of species over space, but also on additional state variables (e.g., reproducing or not, with or without disease organisms, relative abundance categories) that provide extra information about occupied sites. These biologist-driven extensions are characterized by ambiguity in both...
Potential habitat distribution for the freshwater diatom Didymosphenia geminata in the continental US
S. Kumar, S. A. Spaulding, T.J. Stohlgren, K.A. Hermann, T.S. Schmidt, L.L. Bahls
2009, Frontiers in Ecology and the Environment (7) 415-420
The diatom Didymosphenia geminata is a single-celled alga found in lakes, streams, and rivers. Nuisance blooms of D geminata affect the diversity, abundance, and productivity of other aquatic organisms. Because D geminata can be transported by humans on waders and other gear, accurate spatial prediction of habitat suitability is urgently...
Dual-core mass-balance approach for evaluating mercury and210Pb atmospheric fallout and focusing to lakes
P. C. Van Metre, C. C. Fuller
2009, Environmental Science & Technology (43) 26-32
Determining atmospheric deposition rates of mercury and other contaminants using lake sediment cores requires a quantitative understanding of sediment focusing. Here we present a novel approach that solves mass-balance equations for two cores algebraically to estimate contaminant contributions to sediment from direct atmospheric fallout and from watershed and in-lake focusing....
Numerical analysis of the performance of rock weirs: Effects of structure configuration on local hydraulics
C. L. Holmquist-Johnson
2009, Conference Paper, Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers
River spanning rock structures are being constructed for water delivery as well as to enable fish passage at barriers and provide or improve the aquatic habitat for endangered fish species. Current design methods are based upon anecdotal information applicable to a narrow range of channel conditions. The complex flow patterns...
Movements of brown bullheads in Presque Isle Bay, Lake Erie, Pennsylvania
M. J. Millard, D. R. Smith, E. Obert, J. Grazio, M.L. Bartron, C. Wellington, S. Grise, S. Rafferty, R. Wellington, S. Julian
2009, Journal of Great Lakes Research (35) 613-619
Presque Isle Bay, Lake Erie, was listed as an Area of Concern (AOC) by the International Joint Commission in part because of the high incidence of external tumor in brown bullheads. Verifying the source of the possible contaminant exposure is critical to addressing the AOC designation. We used telemetry tracking...
Air-dropped sensor network for real-time high-fidelity volcano monitoring
W.-Z. Song, R. Huang, M. Xu, A. Ma, B. Shirazi, R. LaHusen
2009, Conference Paper, MobiSys'09 - Proceedings of the 7th ACM International Conference on Mobile Systems, Applications, and Services
This paper presents the design and deployment experience of an air-dropped wireless sensor network for volcano hazard monitoring. The deployment of five stations into the rugged crater of Mount St. Helens only took one hour with a helicopter. The stations communicate with each other through an amplified 802.15.4 radio and...
Mobility of icy sand packs, with application to Martian permafrost
W.B. Durham, A.V. Pathare, L.A. Stern, H.J. Lenferink
2009, Geophysical Research Letters (36)
[1] The physical state of water on Mars has fundamental ramifications for both climatology and astrobiology. The widespread presence of "softened" Martian landforms (such as impact craters) can be attributed to viscous creep of subsurface ground ice. We present laboratory experiments designed to determine the minimum amount of ice necessary...
Site characterization for urban seismic hazards in lower Manhattan, New York City, from microtremor array analysis
W. J. Stephenson, S. Hartzell, A.D. Frankel, M. Asten, D. L. Carver, W.Y. Kim
2009, Geophysical Research Letters (36)
We characterize the shear-wave velocity (Vs) of soil deposits in lower Manhattan at six sites using the SPAC and HVSR microtremor methods. The soil Vs ranges from 140 m/s to 300 m/s over bedrock. We believe that bedrock depth is constrained to ±15% with these microtremor data, but an accurate...
Spatiotemporal dynamics of the Atlantic salmon (Salmo salar) Greenland fishery inferred from mixed-stock analysis
M. Gauthier-Ouellet, M. Dionne, F. Caron, T.L. King, L. Bernatchez
2009, Canadian Journal of Fisheries and Aquatic Sciences (66) 2040-2051
Mixed-stock fisheries refer to the exploitation of admixed fish stocks coming from different origins. We identified the North American origin of 2835 Atlantic salmon (Salmo salar) in the Greenland mixed-stock fishery during 11 years (1995-2006) at three localities using 13 microsatellites. The study included 52 baseline populations representing nine genetically...
Numerical study of tsunami generated by multiple submarine slope failures in Resurrection Bay, Alaska, during the MW 9.2 1964 earthquake
E. Suleimani, R. Hansen, Peter J. Haeussler
2009, Conference Paper, Pure and Applied Geophysics
We use a viscous slide model of Jiang and LeBlond (1994) coupled with nonlinear shallow water equations to study tsunami waves in Resurrection Bay, in south-central Alaska. The town of Seward, located at the head of Resurrection Bay, was hit hard by both tectonic and local landslide-generated tsunami waves during...
Large area scene selection interface (LASSI): Methodology of selecting landsat imagery for The Global Land Survey 2005
S. Franks, J. G. Masek, R.M.K. Headley, J. Gasch, T. Arvidson
2009, Photogrammetric Engineering and Remote Sensing (75) 1287-1296
The Global Land Survey (GLS) 2005 is a cloud-free, orthorec-tified collection of Landsat imagery acquired during the 2004 to 2007 epoch intended to support global land-cover and ecological monitoring. Due to the numerous complexities in selecting imagery for the GLS2005, NASA and the U.S. Geological Survey (USGS) sponsored the development...
Nesting ecology of greater sage-grouse Centrocercus urophasianus at the eastern edge of their historic distribution
K. M. Herman-Brunson, K. C. Jensen, N. W. Kaczor, C. C. Swanson, M. A. Rumble, R. W. Klaver
2009, Wildlife Biology (15) 237-246
Greater sage-grouse Centrocercus urophasianus populations in North Dakota declined approximately 67% between 1965 and 2003, and the species is listed as a Priority Level 1 Species of Special Concern by the North Dakota Game and Fish Department. The habitat and ecology of the species at the eastern edge of its historical range...
Probability of detection of nests and implications for survey design
P.A. Smith, J. Bart, Richard B. Lanctot, B. J. McCaffery, S. Brown
2009, Condor (111) 414-423
Surveys based on double sampling include a correction for the probability of detection by assuming complete enumeration of birds in an intensively surveyed subsample of plots. To evaluate this assumption, we calculated the probability of detecting active shorebird nests by using information from observers who searched the same plots independently....
Cobble cam: Grain-size measurements of sand to boulder from digital photographs and autocorrelation analyses
J.A. Warrick, D. M. Rubin, P. Ruggiero, J.N. Harney, A.E. Draut, D. Buscombe
2009, Earth Surface Processes and Landforms (34) 1811-1821
A new application of the autocorrelation grain size analysis technique for mixed to coarse sediment settings has been investigated. Photographs of sand- to boulder-sized sediment along the Elwha River delta beach were taken from approximately 1??2 m above the ground surface, and detailed grain size measurements were made from 32...
On the reported magnetic precursor of the 1993 guam earthquake
J.N. Thomas, J.J. Love, M.J.S. Johnston, K. Yumoto
2009, Geophysical Research Letters (36)
Using 1-second magnetometer data recorded 67 km from the epicenter of the 1993 Mw 7.7 Guam earthquake, Hayakawa et al. (1996) and Miyahara et al. (1999) identify anomalous precursory changes in ultra-low frequency magnetic polarization (the ratio of vertical to horizontal field components). In a check of their results, we...
Seabird nest counts: A test of monitoring metrics using Red-tailed Tropicbirds
N.E. Seavy, M.H. Reynolds
2009, Journal of Field Ornithology (80) 297-302
Counts of nesting birds are often used to monitor the abundance of breeding pairs at colonies. Mean incubation counts (MICs) are counts of nests with eggs at intervals that correspond to the mean incubation period of a species. The sum of all counts during the nesting season (MICtotal) and the...
Recommendations for control of pathogens and infectious diseases in fish research facilities
M.L. Kent, S.W. Feist, C. Harper, S. Hoogstraten-Miller, J.M. Law, J. M. Sanchez-Morgado, R.L. Tanguay, G.E. Sanders, J.M. Spitsbergen, Christopher M. Whipps
2009, Comparative Biochemistry and Physiology, Part C: Toxicology & Pharmacology (149) 240-248
Concerns about infectious diseases in fish used for research have risen along with the dramatic increase in the use of fish as models in biomedical research. In addition to acute diseases causing severe morbidity and mortality, underlying chronic conditions that cause low-grade or subclinical infections may confound research results. Here...
Pore-throat sizes in sandstones, tight sandstones, and shales
Philip H. Nelson
2009, American Association of Petroleum Geologists Bulletin (93) 329-340
Pore-throat sizes in silidclastic rocks form a continuum from the submillimeter to the nanometer scale. That continuum is documented in this article using previously published data on the pore and pore-throat sizes of conventional reservoir rocks, tight-gas sandstones, and shales. For measures of central tendency (mean, mode, median), pore-throat sizes...
Measuring discharge with ADCPs: Inferences from synthetic velocity profiles
C.R. Rehmann, D. S. Mueller, K. A. Oberg
2009, Conference Paper, Proceedings of World Environmental and Water Resources Congress 2009 - World Environmental and Water Resources Congress 2009: Great Rivers
Synthetic velocity profiles are used to determine guidelines for sampling discharge with acoustic Doppler current profilers (ADCPs). The analysis allows the effects of instrument characteristics, sampling parameters, and properties of the flow to be studied systematically. For mid-section measurements, the averaging time required for a single profile measurement always exceeded...
