Observed and simulated hydrologic response for a first-order catchment during extreme rainfall 3 years after wildfire disturbance
Brian A. Ebel, Francis K. Rengers, Gregory E. Tucker
2016, Water Resources Research (52) 9367-9389
Hydrologic response to extreme rainfall in disturbed landscapes is poorly understood because of the paucity of measurements. A unique opportunity presented itself when extreme rainfall in September 2013 fell on a headwater catchment (i.e., <1 ha) in Colorado, USA that had previously been burned by a wildfire in 2010. We...
Genetic variation and structure in remnant population of critically endangered Melicope zahlbruckneri
J. A. Raji, Carter T. Atkinson
2016, Journal of Biodiversity & Endangered Species (4) 1-8
The distribution and amount of genetic variation within and between populations of plant species are important for their adaptability to future habitat changes and also critical for their restoration and overall management. This study was initiated to assess the genetic status of the remnant population of Melicope zahlbruckneri–a critically endangered...
Environmental implications of the use of sulfidic back-bay sediments for dune reconstruction — Lessons learned post Hurricane Sandy
Geoffrey S. Plumlee, William Benzel, Todd M. Hoefen, Philip L. Hageman, Suzette A. Morman, Timothy J. Reilly, Monique Adams, Cyrus J. Berry, Jeffrey Fischer, Irene Fisher
2016, Marine Pollution Bulletin (107) 459-471
Some barrier-island dunes damaged or destroyed by Hurricane Sandy's storm surges in October 2012 have been reconstructed using sediments dredged from back bays. These sand-, clay-, and iron sulfide-rich sediments were used to make berm-like cores for the reconstructed dunes, which were then covered by beach sand. In November 2013,...
Susceptibility of ocean- and stream-type Chinook salmon to isolates of the L, U, and M genogroups of infectious hematopoietic necrosis virus (IHNV)
Daniel Hernandez, Maureen K. Purcell, Carolyn S. Friedman, Gael Kurath
2016, Diseases of Aquatic Organisms (121) 15-28
This study examined the susceptibility of Chinook salmon Oncorhynchus tshawytscha to viral strains from the L, U, and M genogroups of infectious hematopoietic necrosis virus (IHNV) present in western North America. The goal of this investigation was to establish a baseline understanding of the susceptibility of ocean- and stream-type Chinook...
Historical reconstructions of California wildfires vary by data source
Alexandra D. Syphard, Jon E. Keeley
2016, International Journal of Wildland Fire (25) 1221-1227
Historical data are essential for understanding how fire activity responds to different drivers. It is important that the source of data is commensurate with the spatial and temporal scale of the question addressed, but fire history databases are derived from different sources with different restrictions. In California, a frequently used...
The Chuar Petroleum System, Arizona and Utah
Paul G. Lillis
2016, Book chapter, Hydrocarbon source rocks in unconventional plays, Rocky Mountain Region
The Neoproterozoic Chuar Group consists of marine mudstone, sandstone and dolomitic strata divided into the Galeros and Kwagunt Formations, and is exposed only in the eastern Grand Canyon, Arizona. Research by the U.S. Geological Survey (USGS) in the late 1980s identified strata within the group to be possible petroleum source...
Application of ground penetrating radar for identification of washover deposits and other stratigraphic features: Assateague Island, MD
Nicholas Zaremba, Christopher G. Smith, Julie Bernier, Arnell S. Forde
2016, Journal of Environmental & Engineering Geophysics (21) 173-186
A combination of ground penetrating radar (GPR) data, core data, and aerial photographs were analyzed to better understand the evolution of two portions of Assateague Island, Maryland. The focus of the study was to investigate the applicability of using GPR data to image washover deposits in the stratigraphic record. High...
Evolution of the Lower Tertiary Elko Lake Basin, a potential hydrocarbon source rock in Northeast Nevada
Ronald C. Johnson, Justin E. Birdwell
Michael P. Dolan, Debra K. Higley, Paul G. Lillis, editor(s)
2016, Book chapter, Hydrocarbon Source Rocks in Unconventional Plays, Rocky Mountain Region
No abstract available....
Increased prevalence of antibiotic-resistant E. coli in gulls sampled in southcentral Alaska is associated with urban environments
Clara Atterby, Andrew M. Ramey, Gabriel Gustafsson Hall, Josef Jarhult, Stefan Borjesson, Jonas Bonnedahl
2016, Infection Ecology and Epidemiology (6) 1-7
BackgroundAntibiotic-resistant bacteria pose challenges to healthcare delivery systems globally; however, limited information is available regarding the prevalence and spread of such bacteria in the environment. The aim of this study was to compare the prevalence of antibiotic-resistant bacteria in large-bodied gulls (Larus spp.) at urban...
Response of fish assemblages to decreasing acid deposition in Adirondack Mountain lakes
Barry P. Baldigo, Karen Roy, Charles T. Driscoll
2016, NYSERDA Report 17-01
The CAA and other federal regulations have clearly reduced emissions of NOx and SOx, acidic deposition, and the acidity and toxicity of waters in the ALTM lakes, but these changes have not triggered widespread recovery of brook trout populations or fish communities. The lack of detectable biological recovery appears to...
Trace elements at the intersection of marine biological and geochemical evolution
Leslie J. Robbins, Stefan V. Lalonde, Noah J. Planavsky, Camille A. Partin, Christopher T. Reinhard, Brian Kendall, Clint Scott, Dalton S. Hardisty, Benjamin C. Gill, Daniel S. Alessi, Christopher L. Dupont, Mak A. Saito, Sean A. Crowe, Simon W. Poulton, Andrey Bekker, Timothy W. Lyons, Kurt O. Konhauser
2016, Earth-Science Reviews (163) 323-348
Life requires a wide variety of bioessential trace elements to act as structural components and reactive centers in metalloenzymes. These requirements differ between organisms and have evolved over geological time, likely guided in some part by environmental conditions. Until recently, most of what was understood regarding trace element concentrations in...
Evaluating new SMAP soil moisture for drought monitoring in the rangelands of the US High Plains
Naga Manohar Velpuri, Gabriel B. Senay, Jeffrey T. Morisette
2016, Rangelands (38) 183-190
Level 3 soil moisture datasets from the recently launched Soil Moisture Active Passive (SMAP) satellite are evaluated for drought monitoring in rangelands.Validation of SMAP soil moisture (SSM) with in situ and modeled estimates showed high level of agreement.SSM showed the highest correlation with surface soil moisture (0-5 cm) and a...
Summary of SPT based field case history data of CETIN (2016) database
K. Onder Cetin, Raymond B. Seed, Robert E. Kayen, Robb E. S. Moss, H. Tolga Bilge, Makbule Ilgac, Khaled Chowdhury
2016, Report
This report provides documentation of the Cetin et al. (2016) field performance case histories, probabilistic maximum likelihood assessment and the sources of differences between the liquefaction triggering resistance estimations (CRR values) of the widely used liquefaction triggering relationships of Seed et al. (1985), Cetin et al. (2004, 2016) and Boulanger...
Topographic and fire weather controls of fire refugia in forested ecosystems of northwestern North America
Meg A. Krawchuk, Sandra L. Haire, Jonathan D. Coop, Marc-André Parisien, Ellen Whitman, Geneva W. Chong, Carol Miller
2016, Ecosphere (7) 1-18
Fire refugia, sometimes referred to as fire islands, shadows, skips, residuals, or fire remnants, are an important element of the burn mosaic, but we lack a quantitative framework that links observations of fire refugia from different environmental contexts. Here, we develop and test a conceptual model for how predictability of...
Hydrology of prairie wetlands: Understanding the integrated surface-water and groundwater processes
Masaki Hayashi, Garth van der Kamp, Donald O. Rosenberry
2016, Wetlands (36) 237-254
Wetland managers and policy makers need to make decisions based on a sound scientific understanding of hydrological and ecological functions of wetlands. This article presents an overview of the hydrology of prairie wetlands intended for managers, policy makers, and researchers new to this field (e.g., graduate students), and a quantitative...
Thamnophis marcianus (Checkered Gartersnake). USA: Arizona: Yuma and La Paz Counties: Colorado River
Ryan Munes, Robert Reed, Bryan Falk, Ashley Lauren Hall, Andrew Holycross
2016, Herpetological Review (47) 631-632
No abstract available....
Occurrence and effects of endocrine-disrupting chemicals in the St. Croix River
Sarah M. Elliott, Kathy Lee
2016, Report
The St. Croix River is one of the last undisturbed, large floodplain rivers in the upper Mississippi River System. The Saint Croix National Scenic Riverway encompasses 255 river miles from the St. Croix Flowage and Namekagon River to the confluence of the St. Croix River with the Mississippi River at...
mizuRoute version 1: A river network routing tool for a continental domain water resources applications
Naoki Mizukami, Martyn P. Clark, Kevin Sampson, Bart Nijssen, Yixin Mao, Hilary McMillan, Roland J. Viger, Steven L. Markstrom, Lauren E. Hay, Ross Woods, Jeffrey R. Arnold, Levi D. Brekke
2016, Geoscientific Model Development (9) 2223-2238
This paper describes the first version of a stand-alone runoff routing tool, mizuRoute. The mizuRoute tool post-processes runoff outputs from any distributed hydrologic model or land surface model to produce spatially distributed streamflow at various spatial scales from headwater basins to continental-wide river systems. The tool can utilize both traditional...
Panel regressions to estimate low-flow response to rainfall variability in ungaged basins
Maoya Bassiouni, Richard M. Vogel, Stacey A. Archfield
2016, Water Resources Research (52) 9470-9494
Multicollinearity and omitted-variable bias are major limitations to developing multiple linear regression models to estimate streamflow characteristics in ungaged areas and varying rainfall conditions. Panel regression is used to overcome limitations of traditional regression methods, and obtain reliable model coefficients, in particular to understand the elasticity of streamflow to rainfall....
Using large-scale flow experiments to rehabilitate Colorado River ecosystem function in Grand Canyon: Basis for an adaptive climate-resilient strategy
Theodore S. Melis, William E. Pine III, Josh Korman, Michael D. Yard, Shaleen Jain, Roger S. Pulwarty
Kathleen Miller, Alan F. Hamlet, Douglas S. Kenney, Kelly T. Redmond, editor(s)
2016, Book chapter, Water policy and planning in a variable and changing climate
Adaptive management of Glen Canyon Dam is improving downstream resources of the Colorado River in Glen Canyon National Recreation Area and Grand Canyon National Park. The Glen Canyon Dam Adaptive Management Program (AMP), a federal advisory committee of 25 members with diverse special interests tasked to advise the U.S. Department...
Climate-induced warming of lakes can be either amplified or suppressed by trends in water clarity
Kevin C. Rose, Luke A. Winslow, Jordan S. Read, Gretchen J. A. Hansen
2016, Limnology and Oceanography Letters (1) 44-53
Climate change is rapidly warming aquatic ecosystems including lakes and reservoirs. However, variability in lake characteristics can modulate how lakes respond to climate. Water clarity is especially important both because it influences the depth range over which heat is absorbed, and because it is changing in many lakes. Here, we...
Satellite-derived temperature data for monitoring water status in a floodplain forest of the Upper Sabine River, Texas
Mary Grace T. Lemon, Scott T. Allen, Brandon L. Edwards, Sammy L. King, Richard F. Keim
2016, Southeastern Naturalist (15) 90-102
Decreased water availability due to hydrologic modifications, groundwater withdrawal, and climate change threaten bottomland hardwood (BLH) forest communities. We used satellite-derived (MODIS) land-surface temperature (LST) data to investigate spatial heterogeneity of canopy temperature (an indicator of plant-water status) in a floodplain forest of the upper Sabine River for 2008–2014. High...
Use of repeat surveys and flow and sediment transport modeling to support fish spawning reef placement in the Detroit River, MI
Paul J. Kinzel, Jonathan M. Nelson, Gregory W. Kennedy, David Bennion
2016, Conference Paper, Proceedings of River Flow 2016
The introduction of rock-rubble substrate in rivers, to enhance fish spawning habitat, represents a significant investment in planning, permitting and construction. Where river processes deposit sediment and cover the substrate, its value as fish spawning habitat can be diminished. Therefore, it is crucial in the site se-lection process, that substrate...
An experimental study of the role of subsurface plumbing on geothermal discharge
Atsuko Namiki, Yoshinori Ueno, Shaul Hurwitz, Michael Manga, Carolina Munoz-Saez, Fred Murphy
2016, Geochemistry, Geophysics, Geosystems (17) 3691-3716
In order to better understand the diverse discharge styles and eruption intervals observed at geothermal features, we performed three series of laboratory experiments with differing plumbing geometries. A single, straight conduit that connects a hot water bath (flask) to a vent (funnel) can originate geyser-like periodic eruptions, continuous discharge like...
Individual, group, and environmental influences on helping behavior in a social carnivore
David E. Ausband, Michael S. Mitchell, Sarah B. Bassing, Andrea T. Morehouse, Douglas W. Smith, Daniel R. Stahler, Jennifer Struthers
2016, Ethology (122) 963-972
Variation in group composition and environment can affect helping behavior in cooperative breeders. Understanding of how group size, traits of individuals within groups, food abundance, and predation risk simultaneously influence helping behavior is limited. We evaluated pup-guarding behavior in gray wolves (Canis lupus) to assess how differences in individuals, groups,...
