New insight into California’s drought through open data
Emily K. Read, Mary Bucknell, Megan Hines, James M. Kreft, Jessica M. Lucido, Jordan S. Read, Carl Schroedl, David M. Sibley, Shirley Stephan, Ivan Suftin, Phethala Thongsavanh, Jamon Van Den Hoek, Jordan I. Walker, Martin R Wernimont, Luke A. Winslow, Andrew N. Yan
2015, BayGEO Journal (8)
Historically unprecedented drought in California has brought water issues to the forefront of the nation’s attention. Crucial investigations that concern water policy, management, and research, in turn, require extensive information about the quality and quantity of California’s water. Unfortunately, key sources of pertinent data are unevenly distributed and frequently hard...
Research data services in academic libraries: Data intensive roles for the future?
Carol Tenopir, Dane Hughes, Suzie Allard, Mike Frame, Ben Birch, Robert Sandusky, Madison L. Langseth, Andrew Lundeen
2015, Journal of eScience Librarianship (4)
Objectives: The primary objectives of this study are to gauge the various levels of Research Data Service academic libraries provide based on demographic factors, gauging RDS growth since 2011, and what obstacles may prevent expansion or growth of services. Methods: Survey of academic institutions through stratified random sample of ACRL library...
Mercury concentrations of bluegill (Lepomis macrochirus) vary by sex
Charles P. Madenjian, James T. Francis, Jeffrey J. Braunscheidel, Joseph R. Bohr, Matthew J. Geiger, G. Mark Knottnerus
2015, Environments (2) 546-564
Patterns in relative differences in contaminant concentrations between the sexes across many species of fish may reveal clues for important behavioral and physiological differences between the sexes, and may also be useful in developing fish consumption advisories and efficient designs for programs meant to monitor contaminant levels in fish. We...
U.S. States and Territories National Tsunami Hazard Assessment: Historical record and sources for waves – Update
Paula K. Dunbar, Craig S. Weaver
2015, Report
The first U.S. Tsunami Hazard Assessment (Dunbar and Weaver, 2008) was prepared at the request of the National Tsunami Hazard Mitigation Program (NTHMP). The NTHMP is a partnership formed between federal and state agencies to reduce the impact of tsunamis through hazard assessment, warning guidance, and mitigation. The assessment was...
Mineral potential tracts for polymetallic Pb-Zn-Cu vein deposits (phase V, deliverable 71): Chapter I in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)
Georges Beaudoin
2015, Open-File Report 2013-1280-I
In Mauritania, mineral occurrences of the polymetallic Pb-Zn-Cu vein deposit type are found near the Florence-El Khdar shear zone in northeast Mauritania. The deposits visited were deemed representative of other similar occurrences and consist of quartz veins with trace sulfides. The low sulfide and Pb-Zn-Cu content in the quartz veins...
Brumation of introduced Black and White Tegus, Tupinambis merianae (Squamata: Teiidae), in southern Florida
Michelle McEachern, Amy A. Yackel Adams, Page E. Klug, Lee A. Fitzgerald, Robert N. Reed
2015, Southeastern Naturalist (14) 319-328
An established population of Tupinambis merianae (Black and White Tegu) in southeastern Florida threatens the Everglades ecosystem. Understanding the behavioral ecology of Black and White Tegus could aid in management and control plans. Black and White Tegus are seasonally active and brumate during the winter in their native range, but...
Movement patterns and dispersal potential of Pecos bluntnose shiner (Notropis simus pecosensis) revealed using otolith microchemistry
Nathan M. Chase, Colleen A. Caldwell, Scott A. Carleton, William R. Gould, James A. Hobbs
2015, Canadian Journal of Fisheries and Aquatic Sciences (72) 1575-1583
Natal origin and dispersal potential of the federally threatened Pecos bluntnose shiner (Notropis simus pecosensis) were successfully characterized using otolith microchemistry and swimming performance trials. Strontium isotope ratios (87Sr:86Sr) of otoliths within the resident plains killifish (Fundulus zebrinus) were successfully used as a surrogate for strontium isotope ratios in water...
Kelp, cobbles, and currents: Biologic reduction of coarse grain entrainment stress
Claire C Masteller, Noah J Finnegan, Jonathan A. Warrick, Ian M. Miller
2015, Geology (43) 543-546
Models quantifying the onset of sediment motion do not typically account for the effect of biotic processes because they are difficult to isolate and quantify in relation to physical processes. Here we investigate an example of the interaction of kelp (Order Laminariales) and coarse sediment transport in the coastal zone,...
Book review: Rare earth elements—A new approach to the nexus of supply, demand and use: exemplified along the use of neodymium in permanent magnets
Bradley S. Van Gosen
2015, Economic Geology (110) 1137-1138
This book is part of the “Springer Theses” published by Springer, a book series designed to highlight and share outstanding Ph.D. research. As explained by Springer (on the second page), this series “brings together a selection of the very best Ph.D. theses from around the world and across the physical...
Blood lead exposure concentrations in mottled ducks (Anas fulvigula) on the upper Texas coast
Stephen K. McDowell, Warren C. Conway, David A. Haukos, Jena A. Moon, Christopher E. Comer, I-Kuai Hung
2015, Journal of the Southeastern Association of Fish and Wildlife Agencies (2) 221-228
The mottled duck (Anas fulvigula) is a non-migratory waterfowl species dependent upon coastal marsh systems, including those on the Texas Chenier Plain National Wildlife Refuge (NWR) Complex, and considered a regional indicator species of marsh habitat quality. Research from the early 1970s, 1990s, and early-2000s indicated that mottled ducks continued...
Evidence for skipped spawning in a potamodromous cyprinid, humpback chub (Gila cypha), with implications for demographic parameter estimates
Kristen Nicole Pearson, William L. Kendall, Dana L. Winkelman, William R. Persons
2015, Fisheries Research (170) 50-59
Our findings reveal evidence for skipped spawning in a potamodromous cyprinid, humpback chub (HBC; Gila cypha ). Using closed robust design mark-recapture models, we found, on average, spawning HBC transition to the skipped spawning state (<img class="imgLazyJSB inlineImage" title="View the MathML source" src="http://ars.els-cdn.com/content/image/1-s2.0-S0165783615001563-si1.gif"...
Breeding habitat associations and predicted distribution of an obligate tundra-breeding bird, Smith's Longspur
Teri C. Wild, Steven J. Kendall, Nikki Guldager, Abby N. Powell
2015, The Condor (117) 3-17
Smith's Longspur (Calcarius pictus) is a species of conservation concern which breeds in Arctic habitats that are expected to be especially vulnerable to climate change. We used bird presence and habitat data from point-transect surveys conducted at 12 sites across the Brooks Range, Alaska, 2003–2009, to identify breeding areas, describe...
Assessing the geologic and climatic forcing of biodiversity and evolution surrounding the Gulf of California
Greer Dolby, Scott E.K. Bennett, Andres Lira-Noriega, Benjamin T. Wilder, Adrian Munguia-Vega
2015, Journal of the Southwest (57) 391-455
For almost a century the Baja California peninsula (Peninsula), Gulf of California (Gulf), and broader Sonoran Desert region (figure 1) have drawn geologists and biologists alike to study its unique physical and evolutionary processes (e.g., Wittich 1920; Darton 1921; Nelson 1921; Johnston 1924; Beal 1948; Durham and Allison 1960). The...
Accelerating advances in continental domain hydrologic modeling
Stacey A. Archfield, Martyn Clark, Berit Arheimer, Lauren E. Hay, Hilary McMillan, Julie E. Kiang, Jan Seibert, Kirsti Hakala, Andrew R. Bock, Thorsten Wagener, William H. Farmer, Vazken Andreassian, Sabine Attinger, Alberto Viglione, Rodney Knight, Steven L. Markstrom, Thomas M. Over
2015, Water Resources Research (51) 10078-10091
In the past, hydrologic modeling of surface water resources has mainly focused on simulating the hydrologic cycle at local to regional catchment modeling domains. There now exists a level of maturity among the catchment, global water security, and land surface modeling communities such that these communities are converging toward continental...
Factors influencing capture of invasive sea lamprey in traps baited with a synthesized sex pheromone component
Nicholas S. Johnson, Michael J. Siefkes, C. Michael Wagner, Gale Bravener, Todd Steeves, Michael Twohey, Weiming Li
2015, Journal of Chemical Ecology (41) 913-923
The sea lamprey, Petromyzon marinus, is emerging as a model organism for understanding how pheromones can be used for manipulating vertebrate behavior in an integrated pest management program. In a previous study, a synthetic sex pheromone component 7α,12α, 24-trihydroxy-5α-cholan-3-one 24-sulfate (3kPZS) was applied to sea lamprey traps in eight...
Using time-varying asymptotic length and body condition of top piscivores to indicate ecosystem regime shift in the main basin of Lake Huron: a Bayesian hierarchical modeling approach
Ji X. He, James R. Bence, Edward F. Roseman, David G. Fielder, Mark P. Ebener
2015, Canadian Journal of Fisheries and Aquatic Sciences (73) 1092-1103
We evaluated the ecosystem regime shift in the main basin of Lake Huron that was indicated by the 2003 collapse of alewives, and dramatic declines in Chinook salmon abundance thereafter. We found that the period of 1995-2002 should be considered as the early phase of the final regime shift. We...
Functional role of an endophytic Bacillus amyloliquefaciens in enhancing growth and disease protection of invasive English ivy (Hedera helix L.)
Marcos Antonio Soares, Jai-Yan Li, Marshall Bergen, Joaquim Manoel da Silva, Kurt P. Kowalski, James Francis White
2015, Plant and Soil (405) 107-123
BackgroundWe hypothesize that invasive English ivy (Hedera helix) harbors endophytic microbes that promote plant growth and survival. To evaluate this hypothesis, we examined endophytic bacteria in English ivy and evaluated effects on the host plant.MethodsEndophytic bacteria were isolated...
Towards forecasting the retreat of California’s coastal cliffs during the 21st century
Patrick W. Limber, Patrick L. Barnard, Cheryl Hapke
2015, Conference Paper, The proceedings of the coastal sediments 2015
In California, sea-level rise during the 21st century threatens to accelerate coastal cliff recession rates. To forecast such changes for managers and policymakers, models must play a key role. In this paper, we extend a ~70-year long dataset of measured historic sea cliff retreat rates in Southern California into the 21st century...
Habitat edges have weak effects on duck nest survival at local spatial scales
Amelia J Raquel, Kevin M. Ringelman, Joshua T. Ackerman, John M. Eadie
2015, Ardea (103) 155-162
Edge effects on nesting success have been documented in breeding birds in a variety of contexts, but there is still uncertainty in how edge type and spatial scale determine the magnitude and detectability of edge effects. Habitat edges are often viewed as predator corridors that surround or penetrate core habitat...
Adapting the U.S. National Hydrography Dataset to linked open data
Dalia E. Varanka, E. Lynn Usery, David M. Mattli
2015, Conference Paper, Cartography -- maps connecting the world: 27th International Cartographic Conference 2015 - ICC2015
A controlled vocabulary for the National Hydrography Dataset (NHD) of the United States was developed as Linked Open Data (LOD). The vocabulary has two main parts: a glossary and a set of triples reflecting the NHD data model as it is organized in geographic information systems (GIS). The glossary consists...
Mechanics of sediment suspension and transport within a fringing reef
A. W. M. Pomeroy, R. J. Lowe, M. Ghisalberti, Curt D. Storlazzi, M. Cutter, G. Symonds
2015, Conference Paper, The proceedings of the coastal sediments 2015
Large bottom roughness is a characteristic of most coral reef environments and this has been shown to have a substantial impact on hydrodynamic processes in these environments. In this paper, we evaluate suspended sediment concentration (SSC) data as well detailed hydrodynamic data over a coral reef flat in Ningaloo Reef,...
Groundwater and surface-water interaction and effects of pumping in a complex glacial-sediment aquifer, phase 2, east-central Massachusetts
Jack R. Eggleston, Phillip J. Zarriello, Carl S. Carlson
2015, Scientific Investigations Report 2015-5174
The U.S. Geological Survey, in cooperation with the Town of Framingham, Massachusetts, has investigated the potential of proposed groundwater withdrawals at the Birch Road well site to affect nearby surface water bodies and wetlands, including Lake Cochituate, the Sudbury River, and the Great Meadows National Wildlife Refuge in east-central Massachusetts....
Use of historic Persian water system data in groundwater models: Examples from Afghanistan and Emirates
Thomas J. Mack, Jack R. Eggleston
2015, Conference Paper, MODLFOW and more 2015, modeling a complex world proceedings
Obtaining calibration data for models depicting conditions during pre-development periods can be challenging as such periods are characteristically data poor. This study presents two examples where simulation of historic water conveyance structures were used to help characterize historic, or pre-modern, conditions in calibration of groundwater flow models. Persian water...
Life on the edge in eastern Alaska: Basal Ordovician(Tremadocian), platform-margin faunas of the Jones Ridge Formation
J. F. Taylor, T. J. Allen, John E. Repetski, J. V. Strauss, S. J. Irwin
2015, Stratigraphy (12) 71-77
As the most fossiliferous and least deformed succession of unequivocally Laurentian lower Paleozoic strata in Alaska, the Jones Ridge Limestone has provided critical data for numerous stratigraphic studies (e. g. Palmer 1968; Harris et al. 1995; Dumoulin et al. 2002; Dumoulin and Harris 2012) focused on the Cambrian and Ordovician...
A comparative study of surface waves inversion techniques at strong motion recording sites in Greece
Panagiotis C. Pelekis, Alexandros Savvaidis, Robert E. Kayen, Vasileios S. Vlachakis, George A. Athanasopoulos
2015, Conference Paper, Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015
Surface wave method was used for the estimation of Vs vs depth profile at 10 strong motion stations in Greece. The dispersion data were obtained by SASW method, utilizing a pair of electromechanical harmonic-wave source (shakers) or a random source (drop weight). In this study, three inversion techniques were used...