Hurricane Isaac: observations and analysis of coastal change
Kristy K. Guy, Hilary F. Stockdon, Nathaniel G. Plant, Kara S. Doran, Karen L.M. Morgan
2013, Open-File Report 2013-1270
Understanding storm-induced coastal change and forecasting these changes require knowledge of the physical processes associated with a storm and the geomorphology of the impacted coastline. The primary physical process of interest is sediment transport that is driven by waves, currents, and storm surge associated with storms. Storm surge, which is...
Geologic map of Oldonyo Lengai (Oldoinyo Lengai) Volcano and surroundings, Arusha Region, United Republic of Tanzania
David R. Sherrod, Masota M. Magigita, Shimba Kwelwa
2013, Open-File Report 2013-1306
The geology of Oldonyo Lengai volcano and the southernmost Lake Natron basin, Tanzania, is presented on this geologic map at scale 1:50,000. The map sheet can be downloaded in pdf format for online viewing or ready to print (48 inches by 36 inches). A 65-page explanatory pamphlet describes the geologic history...
A spatial age-structured model for describing sea lamprey (Petromyzon marinus) population dynamics
Jason M. Robinson, Michael J. Wilberg, Jean V. Adams, Michael L. Jones
2013, Canadian Journal of Fisheries and Aquatic Sciences (70) 1709-1722
The control of invasive sea lampreys (Petromyzon marinus) presents large scale management challenges in the Laurentian Great Lakes. No modeling approach has been developed that describes spatial dynamics of lamprey populations. We developed and validated a spatial and age-structured model and applied it to a sea lamprey population...
Comparison of select hematology and serum chemistry analtyes between wild-caught and aquarium-housed lake sturgeon (Acipenser fulvescens)
Louis DiVincenti Jr., Heather Priest, Kyle J. Walker, Jeffrey D. Wyatt, Dawn Dittman
2013, Journal of Zoo and Wildlife Medicine (44) 957-964
Hematology and serum chemistry analytes were compared between wild-caught and aquarium-housed lake sturgeon (Acipenser fulvescens) to potentially improve understanding of medical issues in lake sturgeon. Blood samples were taken from 30 lake sturgeon exhibited in 11 institutions in the United States and from 23 experimentally stocked lake sturgeon caught in...
Effect of simulated tree canopy removal on a municipal wellfield in the Puget Sound aquifer system, Thurston County, Washington
Kenneth H. Johnson
2013, Open-File Report 2013-1291
Effects of tree canopy removal on a wellfield were simulated using a groundwater flow model characteristic of hydrogeologic settings in the Puget Sound aquifer system. Effects were estimated according to simulated changes in flow patterns that may result from tree canopy removal associated with varying degrees of residential development. The...
Correcting length-frequency distributions for imperfect detection
André R. Breton, John A. Hawkins, Dana L. Winkelman
2013, North American Journal of Fisheries Management (33) 1156-1165
Sampling gear selects for specific sizes of fish, which may bias length-frequency distributions that are commonly used to assess population size structure, recruitment patterns, growth, and survival. To properly correct for sampling biases caused by gear and other sources, length-frequency distributions need to be corrected for imperfect detection. We describe...
Triggered tremor sweet spots in Alaska
Joan Gomberg, Stephanie Prejean
2013, Journal of Geophysical Research B: Solid Earth (118) 6203-6218
To better understand what controls fault slip along plate boundaries, we have exploited the abundance of seismic and geodetic data available from the richly varied tectonic environments composing Alaska. A search for tremor triggered by 11 large earthquakes throughout all of seismically monitored Alaska reveals two tremor “sweet spots”—regions where...
Using occupancy models to investigate the prevalence of ectoparasitic vectors on hosts: an example with fleas on prairie dogs
David A. Eads, Dean E. Biggins, Paul F. Doherty Jr., Kenneth L. Gage, Kathryn P. Huyvaert, Dustin H. Long, Michael F. Antolin
2013, International Journal for Parasitology: Parasites and Wildlife (2) 246-256
Ectoparasites are often difficult to detect in the field. We developed a method that can be used with occupancy models to estimate the prevalence of ectoparasites on hosts, and to investigate factors that influence rates of ectoparasite occupancy while accounting for imperfect detection. We describe the approach using a study...
Relations between DNA- and RNA-based molecular methods for cyanobacteria and microcystin concentration at Maumee Bay State Park Lakeside Beach, Oregon, Ohio, 2012
Erin A. Stelzer, Keith A. Loftin, Pamela Struffolino
2013, Scientific Investigations Report 2013-5189
Water samples were collected from Maumee Bay State Park Lakeside Beach, Oregon, Ohio, during the 2012 recreational season and analyzed for selected cyanobacteria gene sequences by DNA-based quantitative polymerase chain reaction (qPCR) and RNA-based quantitative reverse-transcription polymerase chain reaction (qRT-PCR). Results from the four DNA assays (for quantifying total cyanobacteria,...
NGA-West 2 Equations for predicting PGA, PGV, and 5%-Damped PSA for shallow crustal earthquakes
David M. Boore, Jon P. Stewart, Emel Seyhan, Gail M. Atkinson
2013, Earthquake Spectra (30) 1057-1085
We provide ground-motion prediction equations for computing medians and standard deviations of average horizontal component intensity measures (IMs) for shallow crustal earthquakes in active tectonic regions. The equations were derived from a global database with M 3.0–7.9 events. We derived equations for the primary M- and distance-dependence of the IMs...
Environmental survey in the Tuul and Orkhon River basins of north-central Mongolia, 2010: Metals and other elements in streambed sediment and floodplain soil
William G. Brumbaugh, Donald E. Tillitt, Thomas W. May, Ch. Javzan, V. T. Komov
2013, Environmental Monitoring and Assessment (185) 8991-9008
Streambed sediment and subsurface floodplain soil were sampled for elemental analyses from 15 locations in river basins of north-central Mongolia during August 2010. Our primary objective was to conduct a reconnaissance-level assessment of potential inputs of toxicologically important metals and metalloids to Lake Baikal, Russia, that might originate from mining...
Lidar-revised geologic map of the Olalla 7.5' quadrangle, King, Kitsap, and Pierce Counties, Washington
Rowland W. Tabor, Ralph A. Haugerud, Derek B. Booth, Kathy Goetz Troost
2013, Scientific Investigations Map 3277
The Olalla 7.5' quadrangle, which lies almost in the center of the Puget Lowland, displays the broad range of geologic environments typical of the region. The upland plain is fluted by the passage of the great continental ice sheet that last covered the area about 17,000 (14,000 radiocarbon) years ago....
Hydrogeology and water quality in the Snake River alluvial aquifer at Jackson Hole Airport, Jackson, Wyoming, water years 2011 and 2012
Peter R. Wright
2013, Scientific Investigations Report 2013-5184
The hydrogeology and water quality of the Snake River alluvial aquifer at the Jackson Hole Airport in northwest Wyoming was studied by the U.S. Geological Survey, in cooperation with the Jackson Hole Airport Board, during water years 2011 and 2012 as part of a followup to a previous baseline study...
Fluvial rainbow trout contribute to the colonization of steelhead (Oncorhynchus mykiss) in a small stream
Dana E. Weigel, Patrick J. Connolly, Madison S. Powell
2013, Environmental Biology of Fishes (97) 1149-1159
Life history polymorphisms provide ecological and genetic diversity important to the long term persistence of species responding to stochastic environments. Oncorhynchus mykiss have complex and overlapping life history strategies that are also sympatric with hatchery populations. Passive integrated transponder (PIT) tags and parentage analysis were used to identify the life...
The effect of sampling rate and anti-aliasing filters on high-frequency response spectra
David M. Boore, Christine Goulet
2013, Bulletin of Earthquake Engineering (12) 203-216
The most commonly used intensity measure in ground-motion prediction equations is the pseudo-absolute response spectral acceleration (PSA), for response periods from 0.01 to 10 s (or frequencies from 0.1 to 100 Hz). PSAs are often derived from recorded ground motions, and these motions are usually filtered to remove high and...
Chronology of Eocene-Miocene sequences on the New Jersey shallow shelf: implications for regional, interregional, and global correlations
James V. Browning, Kenneth G. Miller, Peter J. Sugarman, John Barron, Francine M.G. McCarthy, Denise K. Kulhanek, Miriam E. Katz, Mark D. Feigenson
2013, Geosphere (9) 1434-1456
Integrated Ocean Drilling Program Expedition 313 continuously cored and logged latest Eocene to early-middle Miocene sequences at three sites (M27, M28, and M29) on the inner-middle continental shelf offshore New Jersey, providing an opportunity to evaluate the ages, global correlations, and significance of sequence boundaries. We provide a chronology for...
Using age of colonizing douglas-fir for the dating of young geomorphic surfaces: a case study
Thomas C. Pierson
2013, Book chapter, Dating torrential processes on fans and cones
Dating of many types of young (<500 year), dynamic, geomorphic landforms (e.g. mass-movement erosional tracks and deposits, alluvial terraces, flood plains, etc.) for purposes of hazard assessment and mitigation commonly requires greater dating precision than is available through radiocarbon dating or other methods. Ages of trees growing on landform surfaces...
Executive summary: Climate change in the northwest: Implications for our landscapes, waters, and communities
Meghan M. Dalton, Jeffrey Bethel, Susan M. Capalbo, J.E. Cuhaciyan, Sanford D. Eigenbrode, Patty Glick, Laurie L. Houston, Jeremy S. Littell, Kathy Lynn, Philip W. Mote, Rick R. Raymondi, W. Spencer Reeder, Sarah L. Shafer, Amy K. Snover
2013, Book chapter, Climate change in the northwest: Implications for our landscapes, waters, and communities
Climate Change in the Northwest: Implications for Our Landscapes, Waters, and Communities is aimed at assessing the state of knowledge about key climate impacts and consequences to various sectors and communities in the northwest United States. It draws on a wealth of peer-reviewed literature, earlier state-level assessment reports conducted for...
Minnesota wolf 2407: a research pioneer
L. David Mech
Richard P. Thiel, Allison C. Thiel, Marianne Strozewski, editor(s)
2013, Book chapter, Wild wolves we have known
The International Wolf Center has assembled in this book stories from over 30 wolf biologists from throughout North America and Europe. These tales provide a glimpse into the amazing lives of individual wolves, revealing their unique personalities, highlighting their struggles and triumphs, and illustrating the unique influence the individual can...
Powassan virus in mammals, Alaska and New Mexico, USA, and Russia, 2004–2007
Eleanor R. Deardorff, Robert A. Nofchissey, Joseph A. Cook, Andrew G. Hope, Albina Tsvetkova, Sandra L. Talbot, Gregory D. Ebel
2013, Emerging Infectious Diseases (19)
Powassan virus is endemic to the United States, Canada, and the Russian Far East. We report serologic evidence of circulation of this virus in Alaska, New Mexico, and Siberia. These data support further studies of viral ecology in rapidly changing Arctic environments....
Megathrust splay faults at the focus of the Prince William Sound asperity, Alaska
Lee M. Liberty, Shaun P. Finn, Peter J. Haeussler, Thomas L. Pratt, Andrew Peterson
2013, Journal of Geophysical Research (118) 5428-5441
High-resolution sparker and crustal-scale air gun seismic reflection data, coupled with repeat bathymetric surveys, document a region of repeated coseismic uplift on the portion of the Alaska subduction zone that ruptured in 1964. This area defines the western limit of Prince William Sound. Differencing of vintage and modern bathymetric surveys...
Introduction in New perspectives on Rio Grande rift basins: from tectonics to groundwater
Mark R. Hudson, V. J. S. Grauch
2013, Book chapter, New perspectives on Rio Grande rift basins: from tectonics to groundwater
Basins of the Rio Grande rift have long been studied both for their record of rift development and for their potential as host of natural resources. Early workers described the basin geomorphology and the character of infilling sediments (e.g. Siebenthal, 1910; Bryan, 1938; Speigel and Baldwin, 1963), and subsequent...
American Avocet (Recurvirostra americana)
Joshua T. Ackerman, C. Alex Hartman, Mark P. Herzog, John Y. Takekawa, Julie A. Robinson, Lewis W. Oring, Joseph P. Skorupa, Ruth Boettcher
A. Poole, editor(s)
2013, Book chapter, Birds of North America Online
This large, striking shorebird with long bluish-gray legs, a long recurved bill, and a black-and-white chevron pattern on its back and wings is one of four Avocet species in the world, the only one with distinct breeding and non-breeding plumages -- its grayish-white head and neck feathers become cinnamon in...
Next-generation sequencing reveals cryptic mtDNA diversity of Plasmodium relictum in the Hawaiian Islands
S.I. Jarvi, M.E. Farias, D.A. Lapointe, M. Belcaid, C. T. Atkinson
2013, Parasitology (140) 1741-1750
Next-generation 454 sequencing techniques were used to re-examine diversity of mitochondrial cytochrome b lineages of avian malaria (Plasmodium relictum) in Hawaii. We document a minimum of 23 variant lineages of the parasite based on single nucleotide transitional changes, in addition to the previously reported single lineage (GRW4). A new, publicly...
Compilation, quality control, analysis, and summary of discrete suspended-sediment and ancillary data in the United States, 1901-2010
Casey J. Lee, G. Douglas Glysson
2013, Data Series 776
Human-induced and natural changes to the transport of sediment and sediment-associated constituents can degrade aquatic ecosystems and limit human uses of streams and rivers. The lack of a dedicated, easily accessible, quality-controlled database of sediment and ancillary data has made it difficult to identify sediment-related water-quality impairments and has limited...
