Determination of streamflow of the Arkansas River near Bentley in south-central Kansas
Charles A. Perry
2012, Scientific Investigations Report 2012-5059
The Kansas Department of Agriculture, Division of Water Resources, requires that the streamflow of the Arkansas River just upstream from Bentley in south-central Kansas be measured or calculated before groundwater can be pumped from the well field. When the daily streamflow of the Arkansas River near Bentley is less than...
Advances in the simulation and automated measurement of well-sorted granular material: 2. Direct measures of particle properties
Daniel D. Buscombe, David M. Rubin
2012, Journal of Geophysical Research F: Earth Surface (117)
1. In this, the second of a pair of papers on the structure of well-sorted natural granular material (sediment), new methods are described for automated measurements from images of sediment, of: 1) particle-size standard deviation (arithmetic sorting) with and without apparent void fraction; and 2) mean particle size in material...
Advances in the simulation and automated measurement of well-sorted granular material: 1. Simulation
Daniel Buscombe, David M. Rubin
2012, Journal of Geophysical Research F: Earth Surface (117)
1. In this, the first of a pair of papers which address the simulation and automated measurement of well-sorted natural granular material, a method is presented for simulation of two-phase (solid, void) assemblages of discrete non-cohesive particles. The purpose is to have a flexible, yet computationally and theoretically simple, suite...
Assessing time-integrated dissolved concentrations and predicting toxicity of metals during diel cycling in streams
Laurie S. Balistrieri, David A. Nimick, Christopher A. Mebane
2012, Science of the Total Environment (425) 155-168
Evaluating water quality and the health of aquatic organisms is challenging in systems with systematic diel (24 hour) or less predictable runoff-induced changes in water composition. To advance our understanding of how to evaluate environmental health in these dynamic systems, field studies of diel cycling were conducted in two...
Dispersal of larval suckers at the Williamson River Delta, Upper Klamath Lake, Oregon, 2006-09
Tamara M. Wood, Heather A. Hendrixson, Douglas F. Markle, Charles S. Erdman, Summer M. Burdick, Craig M. Ellsworth, Norman L. Buccola
2012, Scientific Investigations Report 2012-5016
An advection/diffusion modeling approach was used to simulate the transport of larval suckers from spawning areas in the Williamson River, through the newly restored Williamson River Delta, to Upper Klamath Lake. The density simulations spanned the years of phased restoration, from 2006/2007 prior to any levee breaching, to 2008 when...
Effects of native forest restoration on soil hydraulic properties, Auwahi, Maui, Hawaiian Islands
Kimberlie S. Perkins, John R. Nimmo, Arthur C. Medeiros
2012, Geophysical Research Letters (39)
Over historic time Hawai'i's dryland forests have been largely replaced by grasslands for grazing livestock. On-going efforts have been undertaken to restore dryland forests to bring back native species and reduce erosion. The reestablishment of native ecosystems on land severely degraded by long-term alternative use requires reversal of the impacts...
Transformation through time: How wildlife disease became a focus of conservation
Milton Friend
2012, The Wildlife Professional (6) 24-27
When I began my career as an assistant waterfowl biologist in 1956, wildlife disease was not a major concern for conservation agencies. Some states— such as California, Michigan, New York, Wyoming, and Colorado— had small internal wildlife disease programs to investigate wildlife mortality events, and the U.S. Fish and Wildlife...
Threshold effects of flood duration on the vegetation and soils of the Upper Mississippi River floodplain, USA
Nathan R. De Jager, Meredith Thomsen, Yao Yin
2012, Forest Ecology and Management (270) 135-146
Most large rivers have experienced major changes in hydrology and land use over the past century, with concomitant effects on sedimentation, nutrient cycling and biodiversity. To restore and/or enhance these ecosystems, managers need to know where their efforts are most likely to succeed under current hydrologic regimes as well as...
Spatially explicit land-use and land-cover scenarios for the Great Plains of the United States
Terry L. Sohl, Benjamin M. Sleeter, Kristi L. Sayler, Michelle A. Bouchard, Ryan R. Reker, Stacie L. Bennett, Rachel R. Sleeter, Ronald L. Kanengieter, Zhi-Liang Zhu
2012, Agriculture, Ecosystems and Environment (153) 1-15
The Great Plains of the United States has undergone extensive land-use and land-cover change in the past 150 years, with much of the once vast native grasslands and wetlands converted to agricultural crops, and much of the unbroken prairie now heavily grazed. Future land-use change in the region could have...
Linking urbanization to the Biological Condition Gradient (BCG) for stream ecosystems in the Northeastern United States using a Bayesian network approach
Roxolana Kashuba, Gerard McMahon, Thomas F. Cuffney, Song Qian, Kenneth Reckhow, Jeroen Gerritsen, Susan Davies
2012, Scientific Investigations Report 2012-5030
Urban development alters important physical, chemical, and biological processes that define urban stream ecosystems. An approach was developed for quantifying the effects of these processes on aquatic biota, and then linking those effects to endpoints that can be used for environmental management. These complex, interacting systems are challenging to model...
Resistance to plague among black-tailed prairie dog populations
Tonie E. Rocke, Judy Williamson, Kacy R. Cobble, Joseph D. Busch, Michael F. Antolin, David M. Wagner
2012, Vector-Borne and Zoonotic Diseases (12) 111-116
In some rodent species frequently exposed to plague outbreaks caused by Yersinia pestis, resistance to the disease has evolved as a population trait. As a first step in determining if plague resistance has developed in black-tailed prairie dogs (Cynomys ludovicianus), animals captured from colonies in a plague-free region (South Dakota)...
Time series geophysical monitoring of permanganate injections and in situ chemical oxidation of PCE, OU1 area, Savage Superfund Site, Milford, NH, USA
Philip T. Harte, Thor E. Smith, John H. Williams, James R. Degnan
2012, Journal of Contaminant Hydrology (132) 58-74
In situ chemical oxidation (ISCO) treatment with sodium permanganate, an electrically conductive oxidant, provides a strong electrical signal for tracking of injectate transport using time series geophysical surveys including direct current (DC) resistivity and electromagnetic (EM) methods. Effective remediation is dependent upon placing the oxidant in close contact with the...
Modeling transport and deposition of the Mekong River sediment
Zuo Xue, Ruoying He, J. Paul Liu, John C. Warner
2012, Continental Shelf Research (37) 66-78
A Coupled Wave–Ocean–SedimentTransport Model was used to hindcast coastal circulation and fine sedimenttransport on the Mekong shelf in southeastern Asian in 2005. Comparisons with limited observations showed that the model simulation captured the regional patterns and temporal variability of surface wave, sea level, and suspended sediment concentration reasonably well. Significant...
Archive of single beam and swath bathymetry data collected nearshore of the Gulf Islands National Seashore, Mississippi, from West Ship Island, Mississippi, to Dauphin Island, Alabama: Methods and data report for USGS Cruises 08CCT01 and 08CCT02, July 2008, and 09CCT03 and 09CCT04, June 2009
Nancy T. DeWitt, James G. Flocks, Elizabeth A. Pendleton, Mark E. Hansen, B.J. Reynolds, Kyle W. Kelso, Dana S. Wiese, Charles R. Worley
2012, Data Series 675
During the summers of 2008 and 2009 the USGS conducted bathymetric surveys from West Ship Island, Miss., to Dauphin Island, Ala., as part of the Northern Gulf of Mexico (NGOM) Ecosystem Change and Hazard Susceptibility project. The survey area extended from the shoreline out to approximately 2 kilometers and...
Simulation of streamflows and basin-wide hydrologic variables over several climate-change scenarios, Methow River basin, Washington
Frank D. Voss, Mark C. Mastin
2012, Scientific Investigations Report 2012-5031
The purpose of this project was to demonstrate the capabilities of an existing watershed model and downscaling procedures to provide simulated hydrological data over various greenhouse gas emission scenarios for use in the Methow River framework prototype. An existing watershed model was used to simulate daily time series of streamflow...
Geologic framework for the national assessment of carbon dioxide storage resources: Bighorn Basin, Wyoming and Montana: Chapter A in Geologic framework for the national assessment of carbon dioxide storage resources
Jacob A. Covault, Mark L. Buursink, William H. Craddock, Matthew D. Merrill, Madalyn S. Blondes, Mayur A. Gosai, P.A. Freeman
Peter D. Warwick, M.D. Corum, editor(s)
2012, Open-File Report 2012-1024-A
The 2007 Energy Independence and Security Act (Public Law 110–140) directs the U.S. Geological Survey (USGS) to conduct a national assessment of potential geologic storage resources for carbon dioxide (CO2). The methodology used for the national CO2 assessment follows that of previous USGS work. The methodology is non-economic and intended...
Determination of the δ13C of dissolved inorganic carbon in water; RSIL lab code 1710
Glenda L. Singleton, Kinga Revesz, Tyler B. Coplen
2012, Techniques and Methods 10-c18
The purpose of the Reston Stable Isotope Laboratory (RSIL) lab code 1710 is to present a method to determine the δ13C of dissolved inorganic carbon (DIC) of water. The DIC of water is precipitated using ammoniacal strontium chloride (SrCl2) solution to form strontium carbonate (SrCO3). The δ13C is analyzed by...
VARBOOT: A spatial bootstrap program for semivariogram uncertainty assessment
Eulogio Pardo-Iguzquiza, Ricardo A. Olea
2012, Computers & Geosciences (41) 188-198
In applied geostatistics, the semivariogram is commonly estimated from experimental data, producing an empirical semivariogram for a specified number of discrete lags. In a second stage, a model defined by a few parameters is fitted to the empirical semivariogram. As the experimental data are usually few and sparsely located, there...
Response to comments on "Productivity is a poor predictor of plant species richness"
James B. Grace, Peter B. Adler, Eric W. Seabloom, Elizabeth T. Borer, Helmut Hillebrand, Yann Hautier, Andy Hector, W. Stanley Harpole, Lydia R. O’Halloran, T. Michael Anderson, Jonathan D. Bakker, Cynthia S. Brown, Yvonne M. Buckley, Scott L. Collins, Kathryn L. Cottingham, Michael J. Crawley, Ellen Ingman Damschen, Kendi F. Davies, Nicole M. DeCrappeo, Philip A. Fay, Jennifer Firn, Daniel S. Gruner, Nicole Hagenah, Virginia L. Jin, Kevin P. Kirkman, Johannes M.H. Knops, Kimberly J. La Pierre, John G. Lambrinos, Brett A. Melbourne, Charles E. Mitchell, Joslin L. Moore, John W. Morgan, John L. Orrock, Suzanne M. Prover, Carly J. Stevens, Peter D. Wragg, Louie H. Yang
2012, Science (335) 1441-1441
Pan et al. claim that our results actually support a strong linear positive relationship between productivity and richness, whereas Fridley et al. contend that the data support a strong humped relationship. These responses illustrate how preoccupation with bivariate patterns distracts from a deeper understanding of the multivariate mechanisms that control...
Refining the model of barrier island formation along a paraglacial coast in the Gulf of Maine
Christopher J. Hein, Duncan M. FitzGerald, Emily A. Carruthers, Byron D. Stone, Walter A. Barnhardt, Allen M. Gontz
2012, Marine Geology (307-310) 40-57
Details of the internal architecture and local geochronology of Plum Island, the longest barrier in the Gulf of Maine, have refined our understanding of barrier island formation in paraglacial settings. Ground-penetrating radar and shallow-seismic profiles coupled with sediment cores and radiocarbon dates provide an 8000-year evolutionary history of this barrier...
A vegetation management plan for Fort Union Trading Post National Historic Site: Final report for interagency agreement number F154910005
Amy J. Symstad
2012, Report
Summary: This report provides Fort Union Trading Post National Historic Site, a small NPS unit on the border of Montana and North Dakota, a framework and reasonable tools for future vegetation management at the site in the context of probable historic, current, and desired future vegetation....
Looking skyward to study ecosystem carbon dynamics
Dennis G. Dye
2012, Eos, Transactions, American Geophysical Union (93) 141-143
Between May and October 2011 the U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) program, conducted a field campaign at the ARM Southern Great Plains site in north central Oklahoma to evaluate a new instrument for quantitative image-based monitoring of sky conditions...
All solution processed organic thin film transistor-backplane with printing technology for electrophoretic display
Myung W. Lee, C.K. Song
2012, Journal of Nanoscience and Nanotechnology (12) 3268-3271
In this study, solution processes were developed for backplane using an organic thin film transistor (OTFT) as a driving device for an electrophoretic display (EPD) panel. The processes covered not only the key device of OTFTs but also interlayer and pixel electrodes. The various materials and printing processes were adopted...
Estimating survival rates with time series of standing age‐structure data
Mark S. Udevitz, Peter J. Gogan
2012, Ecology (93) 726-732
It has long been recognized that age‐structure data contain useful information for assessing the status and dynamics of wildlife populations. For example, age‐specific survival rates can be estimated with just a single sample from the age distribution of a stable, stationary population. For a population that is...
Estimating shorebird populations during spring stopover in rice fields of the Louisiana and Texas Gulf Coastal Plain
Wayne Norling, Clinton W. Jeske, Tyler F. Thigpen, Paul C. Chadwick
2012, Waterbirds (35) 361-370
Migrating shorebird populations using approximately 2% of Louisiana and Texas Gulf Coastal rice fields were surveyed during spring migration (March–May of 1997 and 1998) using biweekly stratified random surveys conducted at 50 roadside survey points and approximately 30,000 shorebirds were observed. Shorebird counts were extrapolated and almost 1.4 million birds...
