Numerical simulation of a low-lying barrier island's morphological response to Hurricane Katrina
C.A. Lindemer, N.G. Plant, Jack A. Puleo, D.M. Thompson, T.V. Wamsley
2010, Coastal Engineering (57) 985-995
Tropical cyclones that enter or form in the Gulf of Mexico generate storm surge and large waves that impact low-lying coastlines along the Gulf Coast. The Chandeleur Islands, located 161. km east of New Orleans, Louisiana, have endured numerous hurricanes that have passed nearby. Hurricane Katrina (landfall near Waveland MS,...
Response of Colorado river runoff to dust radiative forcing in snow
T. H. Painter, J.S. Deems, J. Belnap, A.F. Hamlet, C. C. Landry, B. Udall
2010, Proceedings of the National Academy of Sciences of the United States of America (107) 17125-17130
The waters of the Colorado River serve 27 million people in seven states and two countries but are overallocated by more than 10% of the river's historical mean. Climate models project runoff losses of 7-20% from the basin in this century due to human-induced climate change. Recent work has shown...
Analysis of solvent dyes in refined petroleum products by electrospray ionization mass spectrometry
Colleen E. Rostad
2010, Fuel (89) 997-1005
Solvent dyes are used to color refined petroleum products to enable differentiation between gasoline, diesel, and jet fuels. Analysis for these dyes in the hydrocarbon product is difficult due to their very low concentrations in such a complex matrix. Flow injection analysis/electrospray ionization/mass spectrometry in both negative and positive mode...
Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Average Daily Maximum Temperature, 2002
Michael Wieczorek, Andrew E. LaMotte
2010, Data Series 491-28
This tabular data set represents the average daily maximum temperature in Celsius multiplied by 100 for 2002, compiled for every MRB_E2RF1 catchment of selected Major River Basins (MRBs, Crawford and others, 2006). The source data were the Near-Real-Time High-Resolution Monthly Average Maximum/Minimum Temperature for the Conterminous United States for 2002...
Arsenic Geochemistry and Hydrostratigraphy in Midwestern U.S. Glacial Deposits
Terry L. Root, M.B. Gotkowitz, J.M. Bahr, J.W. Attig
2010, Ground Water (48) 903-912
Arsenic concentrations exceeding the U.S. EPA's 10 ??g/L standard are common in glacial aquifers in the midwestern United States. Previous studies have indicated that arsenic occurs naturally in these aquifers in association with metal-(hydr)oxides and is released to groundwater under reducing conditions generated by microbial oxidation of organic matter. Despite...
Physical Habitat Characteristics on the North and South Forks of the Shenandoah River, VA in 2002-2007
Jennifer L. Krstolic, Donald C. Hayes
2010, Report
Data collected with the GeoXT Trimble GPS unit using ArcPad 6.1. (summer 2006-2007). Files were created within a geodatabase to create a data dictionary for use in ArcPad during data collection. Drop down lists for habitat type, substrate, depth, width, length, and descriptions were included. Data files...
The Reimer Diatom Herbarium: An important resource for teaching and research
S.J. Rushforth, M.B. Edlund, S. A. Spaulding, E. F. Stoermer
2010, Conference Paper, Proceedings of the Academy of Natural Sciences of Philadelphia
The Reimer Diatom Herbarium (ILH) at Iowa Lakeside Laboratory (ILL), a field station of Iowa's state universities, contains 3,280 permanent diatom slides of collections made from prairie potholes, alkaline fens, acid bogs, eutrophic lakes, saline lakes, Pleistocene paleolakes, and Miocene fossil deposits near ILL. The herbarium has a focus on...
Are there optimal densities for prairie birds?
S. K. Skagen, A.A.Y. Adams
2010, Condor (112) 8-14
The major forces of food and predation shape fitness-enhancing decisions of birds at all stages of their life cycles. During the breeding season, birds can minimize nest loss due to predation by selecting sites with a lower probability of predation. To understand the environmental and social aspects and consequences of...
Embryo malposition as a potential mechanism for mercury-induced hatching failure in bird eggs
Garth Herring, Joshua T. Ackerman, Collin A. Eagles-Smith
2010, Environmental Toxicology and Chemistry (29) 1788-1794
We examined the prevalence of embryo malpositions and deformities in relation to total mercury (THg) and selenium (Se) concentrations in American avocet (Recurvirostra americana), black‐necked stilt (Himantopus mexicanus), and Forster's tern (Sterna forsteri) eggs in San Francisco Bay (CA, USA) during 2005 to 2007. Overall, 11% of embryos were malpositioned...
Assessment of basin-scale hydrologic impacts of CO2 sequestration, Illinois basin
M. Person, A. Banerjee, J. Rupp, C. Medina, P. Lichtner, C. Gable, R. Pawar, M. Celia, J. McIntosh, V. Bense
2010, International Journal of Greenhouse Gas Control (4) 840-854
Idealized, basin-scale sharp-interface models of CO2 injection were constructed for the Illinois basin. Porosity and permeability were decreased with depth within the Mount Simon Formation. Eau Claire confining unit porosity and permeability were kept fixed. We used 726 injection wells located near 42 power plants to deliver 80 million metric...
The Middle Jurassic basinal deposits of the Surmeh Formation in the Central Zagros Mountains, southwest Iran: Facies, sequence stratigraphy, and controls
Y. Lasemi, A.H. Jalilian
2010, Carbonates and Evaporites (25) 283-295
The lower part of the Lower to Upper Jurassic Surmeh Formation consists of a succession of shallow marine carbonates (Toarcian-Aalenian) overlain by a deep marine basinal succession (Aalenian-Bajocian) that grades upward to Middle to Upper Jurassic platform carbonates. The termination of shallow marine carbonate deposition of the lower part of...
Growth, condition factor, and bioenergetics modeling link warmer stream temperatures below a small dam to reduced performance of juvenile steelhead
S.T. Sauter, P.J. Connolly
2010, Northwest Science (84) 369-377
We investigated the growth and feeding performance of juvenile steelhead Oncorhynchus mykiss using field measures and bioenergetics modeling. Juvenile steelhead populations were sampled from mid-June through August 2004 at study sites upstream and downstream of Hemlock Dam. The growth and diet of juvenile steelhead were determined for a warm (summer)...
Mapping of road-salt-contaminated groundwater discharge and estimation of chloride load to a small stream in southern New Hampshire, USA
P. T. Harte, P.R. Trowbridge
2010, Hydrological Processes (24) 2349-2368
Concentrations of chloride in excess of State of New Hampshire water-quality standards (230 mg/l) have been measured in watersheds adjacent to an interstate highway (I-93) in southern New Hampshire. A proposed widening plan for I-93 has raised concerns over further increases in chloride. As part of this effort, road-salt-contaminated groundwater...
On the irrigation requirements of cottonwood (Populus fremontii and Populus deltoides var. wislizenii) and willow (Salix gooddingii) grown in a desert environment
S. Hartwell, K. Morino, P.L. Nagler, E. P. Glenn
2010, Journal of Arid Environments (74) 667-674
Native tree plots have been established in river irrigation districts in the western U.S. to provide habitat for threatened and endangered birds. Information is needed on the effective irrigation requirements of the target species. Cottonwood (Populus spp.) and willow (Salix gooddingii) trees were grown for seven years in an outdoor...
Stable isotope analysis and satellite tracking reveal interspecific resource partitioning of nonbreeding albatrosses off Alaska
R.M. Suryan, K.N. Fischer
2010, Canadian Journal of Zoology (88) 299-305
Albatrosses (Diomedeidae) are the most threatened family of birds globally. The three North Pacific species (Phoebastria Reichenbach, 1853) are listed as either endangered or vulnerable, with the population of Short-tailed Albatross (Phoebastria albatrus (Pallas, 1769)) less than 1% of its historical size. All North Pacific albatross species do not currently...
Effects of lipid extraction on stable isotope ratios in avian egg yolk: Is arithmetic correction a reliable alternative?
S. Oppel, R.N. Federer, D. M. O’Brien, A.N. Powell, Tuula E. Hollmén
2010, The Auk (127) 72-78
Many studies of nutrient allocation to egg production in birds use stable isotope ratios of egg yolk to identify the origin of nutrients. Dry egg yolk contains >50% lipids, which are known to be depleted in 13C. Currently, researchers remove lipids from egg yolk using a chemical lipid-extraction procedure before...
Atrazine reduces reproduction in fathead minnow (Pimephales promelas)
Donald E. Tillitt, Diana M. Papoulias, Jeffrey J. Whyte, Catherine A. Richter
2010, Aquatic Toxicology (99) 149-159
Atrazine, the widely used herbicide, has shown to affect the hypothalamus–pituitary–gonad axis in certain vertebrate species, but few studies have examined reproductive effects of this chemical on fish. Our study was designed to evaluate a population endpoint (egg production) in conjunction with histological (e.g., gonad development) and biochemical (e.g., hormone...
Who provided maize to Chaco Canyon after the mid-12th-century drought?
Larry V. Benson
2010, Journal of Archaeological Science (37) 621-629
Between A.D. 1181 and 1200, in the early part of a climatically wet period, corn was imported to Chaco Canyon from a region outside the Chaco Halo (defined in this paper as the region between the base of the Chuska Mountains and Raton Wells). Strontium-isotope (87Sr/86Sr) analyses of 12 corn...
Tidal freshwater wetland herbivory in Anacostia Park
Cairn Krafft, Jeff S. Hatfield, Richard S. Hammerschlag
2010, Natural Resource Technical Report NPS/NCR/NCRO/NRTR2010/002
Herbivory has played a major role in dictating vegetation abundance and species composition at Kingman Marsh in Anacostia Park, Washington, D.C., since restoration of this tidal freshwater wetland was initiated in 2000. In June 2009 an herbivory study was established to document the impacts of resident Canada goose (Branta canadensis...
Rate of formation and dissolution of mercury sulfide nanoparticles: The dual role of natural organic matter
Aaron J. Slowey
2010, Geochimica et Cosmochimica Acta (74) 4693-4708
Mercury is a global contaminant of concern due to its transformation by microorganisms to form methylmercury, a toxic species that accumulates in biological tissues. The effect of dissolved organic matter (DOM) isolated from natural waters on reactions between mercury(II) (Hg) and sulfide (S(-II)) to form HgS(s) nanoparticles across a range...
Influence of sea level rise on iron diagenesis in an east Florida subterranean estuary
M. Roy, J.B. Martin, J. Cherrier, J.E. Cable, Christopher G. Smith
2010, Geochimica et Cosmochimica Acta (74) 5560-5573
Subterranean estuary occupies the transition zone between hypoxic fresh groundwater and oxic seawater, and between terrestrial and marine sediment deposits. Consequently, we hypothesize, in a subterranean estuary, biogeochemical reactions of Fe respond to submarine groundwater discharge (SGD) and sea level rise. Porewater and sediment samples...
Composition, distribution, and potential toxicity of organochlorine mixtures in bed sediments of streams
Patrick J. Phillips, Lisa H. Nowell, Robert J. Gilliom, Naomi Nakagaki, Karen Riva-Murray, Carolyn VanAlstyne
2010, Science of the Total Environment (408) 594-606
Mixtures of organochlorine compounds have the potential for additive or interactive toxicity to organisms exposed in the stream. This study uses a variety of methods to identify mixtures and a modified concentration-addition approach to estimate their potential toxicity at 845 stream sites across the United States sampled between 1992 and...
Mapping the last frontier in Yellowstone National Park: Yellowstone Lake
Lisa A. Morgan, Wayne (Pat) Shanks
Jerry Johnson, editor(s)
2010, Book chapter, Knowing Yellowstone: Science in America's first national park
No abstract available....
Variation in detection among passive infrared triggered-cameras used in wildlife research
Philip E. Damm, J. Barry Grand, Steven W. Barnett
2010, Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies (64) 125-130
Precise and accurate estimates of demographics such as age structure, productivity, and density are necessary in determining habitat and harvest management strategies for wildlife populations. Surveys using automated cameras are becoming an increasingly popular tool for estimating these parameters. However, most camera studies fail to incorporate detection probabilities, leading to...
High resolution near-bed observations in winter near Cape Hatteras, North Carolina
Marinna A. Martini, Brandy N. Armstrong, John C. Warner
2010, Conference Paper, OCEANS 2009, MTS/IEEE Biloxi - Marine Technology for Our Future: Global and Local Challenges
The U.S. Geological Survey (USGS) Coastal and Marine Science Center in Woods Hole, Massachusetts, is leading an effort to understand the regional sediment dynamics along the coastline of North and South Carolina. As part of the Carolinas Coastal Change Processes Project, a geologic framework study in June of 2008 by...
