Groundwater-supported evapotranspiration within glaciated watersheds under conditions of climate change
D. Cohen, M. Person, R. Daannen, S. Locke, D. Dahlstrom, V. Zabielski, T. C. Winter, D.O. Rosenberry, H. Wright, E. Ito, J.L. Nieber, W.J. Gutowski Jr.
2006, Conference Paper, Journal of Hydrology
This paper analyzes the effects of geology and geomorphology on surface-water/-groundwater interactions, evapotranspiration, and recharge under conditions of long-term climatic change. Our analysis uses hydrologic data from the glaciated Crow Wing watershed in central Minnesota, USA, combined with a hydrologic model of transient coupled unsaturated/saturated flow (HYDRAT2D). Analysis of historical...
Iodine
S.T. Krukowski
2006, Mining Engineering (58) 38-40
In descending order, Chile, Japan and the United States have the largest iodine reserves. Chile produces iodine from iodate minerals while Japan and the United States produce it from sodium iodide solutions found in underground iodide solutions. Iodine is also produced from subterranean brines in Azerbaijan, Russia, Turkmenista, Indonesia and...
Protective immunity and lack of histopathological damage two years after DNA vaccination against infectious hematopoietic necrosis virus in trout
Gael Kurath, Kyle A. Garver, Serge Corbeil, Diane G. Elliott, Eric D. Anderson, Scott E. LaPatra
2006, Vaccine (24) 345-354
The DNA vaccine pIHNw-G encodes the glycoprotein of the fish rhabdovirus infectious hematopoietic necrosis virus (IHNV). Vaccine performance in rainbow trout was measured 3, 6, 13, 24, and 25 months after vaccination. At three months all fish vaccinated with 0.1 μg pIHNw-G had detectable neutralizing antibody (NAb) and they were completely...
Modeling decadal timescale interactions between surface water and ground water in the central Everglades, Florida, USA
J. W. Harvey, J.T. Newlin, S.L. Krupa
2006, Journal of Hydrology (320) 400-420
Surface-water and ground-water flow are coupled in the central Everglades, although the remoteness of this system has hindered many previous attempts to quantify interactions between surface water and ground water. We modeled flow through a 43,000 ha basin in the central Everglades called Water Conservation Area 2A. The purpose of...
Distribution and abundance of elkhorn coral, Acropora palmata, and prevalence of white-band disease at Buck Island Reef National Monument, St. Croix, US Virgin Islands
P.A. Mayor, C.S. Rogers, Z.-M. Hillis-Starr
2006, Coral Reefs (25) 239-242
In the 1970s and 1980s elkhorn coral, Acropora palmata, declined dramatically throughout the Caribbean primarily due to white-band disease (WBD). In 2005, elkhorn coral was proposed for listing as threatened under the US Endangered Species Act. WBD was first documented at Buck Island Reef National Monument (BIRNM). Together with hurricanes...
An examination of environmental factors associated with Myxobolus cerebralis infection of wild trout in Pennsylvania
Adam J. Kaeser, Charlotte Rasmussen, William E. Sharpe
2006, Journal of Aquatic Animal Health (18) 90-100
Salmonid whirling disease, caused by the myxosporean parasite Myxobolus cerebralis, was first observed in the United States in 1956 in central Pennsylvania. The parasite was subsequently discovered at several culture facilities throughout the state, and widespread distribution of this parasite via the stocking of subclinically infected brook trout Salvelinus fontinalis, rainbow trout Oncorhynchus...
Influence of a dam on fine-sediment storage in a canyon river
J.E. Hazel Jr., D.J. Topping, J. C. Schmidt, M. Kaplinski
2006, Journal of Geophysical Research F: Earth Surface (111)
Glen Canyon Dam has caused a fundamental change in the distribution of fine sediment storage in the 99-km reach of the Colorado River in Marble Canyon, Grand Canyon National Park, Arizona. The two major storage sites for fine sediment (i.e., sand and finer material) in this canyon river are lateral...
Evidence of regional subsidence and associated interior wetland loss induced by hydrocarbon production, Gulf Coast region, USA
R.A. Morton, J.C. Bernier, J.A. Barras
2006, Environmental Geology (50) 261-274
Analysis of remote images, elevation surveys, stratigraphic cross-sections, and hydrocarbon production data demonstrates that extensive areas of wetland loss in the northern Gulf Coast region of the United States were associated with large-volume fluid production from mature petroleum fields. Interior wetland losses at many sites in coastal Louisiana and Texas...
Proximity to crops and residential to agricultural herbicides in Iowa
M.H. Ward, J. Lubin, J. Giglierano, J.S. Colt, C. Wolter, N. Bekiroglu, D. Camann, P. Hartge, J.R. Nuckols
2006, Environmental Health Perspectives (114) 893-897
Rural residents can be exposed to agricultural pesticides through the proximity of their homes to crop fields. Previously, we developed a method to create historical crop maps using a geographic information system. The aim of the present study was to determine whether crop maps are useful for predicting levels of...
Scale effects of hydrostratigraphy and recharge zonation on base flow
P. F. Juckem, R. J. Hunt, Marilyn P. Anderson
2006, Ground Water (44) 362-370
Uncertainty regarding spatial variations of model parameters often results in the simplifying assumption that parameters are spatially uniform. However, spatial variability may be important in resource assessment and model calibration. In this paper, a methodology is presented for estimating a critical basin size, above which base flows appear to be...
Nitrogen loads to estuaries from waste water plumes: Modeling and isotopic approaches
K.D. Kroeger, Marci L. Cole, J.K. York, I. Valiela
2006, Ground Water (44) 188-200
We developed, and applied in two sites, novel methods to measure ground water-borne nitrogen loads to receiving estuaries from plumes resulting from land disposal of waste water treatment plant (WWTP) effluent. In addition, we quantified nitrogen losses from WWTP effluent during transport through watersheds. WWTP load to receiving water was...
Mercury in ground water, septage, leach-field effluent, and soils in residential areas, New Jersey coastal plain
J. L. Barringer, Zoltan Szabo, D. Schneider, W.D. Atkinson, R.A. Gallagher
2006, Science of the Total Environment (361) 144-162
Water samples were collected from domestic wells at an unsewered residential area in Gloucester County, New Jersey where mercury (Hg) concentrations in well water were known to exceed the USEPA maximum contaminant level (MCL) of 2000 ng/L. This residential area (the CSL site) is representative of more than 70 such...
Quantification of the effects of eustasy, subsidence, and sediment supply on Miocene sequences, mid-Atlantic margin of the United States
J.V. Browning, K.G. Miller, P.P. McLaughlin, M.A. Kominz, P. J. Sugarman, D. Monteverde, M.D. Feigenson, J.C. Hernandez
2006, Geological Society of America Bulletin (118) 567-588
We use backstripping to quantify the roles of variations in global sea level (eustasy), subsidence, and sediment supply on the development of the Miocene stratigraphic record of the mid-Atlantic continental margin of the United States (New Jersey, Delaware, and Maryland). Eustasy is a primary influence on sequence patterns, determining the...
Uplift and subsidence associated with the great Aceh-Andaman earthquake of 2004
A.J. Meltzner, K. Sieh, M. Abrams, D.C. Agnew, K.W. Hudnut, J.-P. Avouac, D.H. Natawidjaja
2006, Journal of Geophysical Research B: Solid Earth (111)
Rupture of the Sunda megathrust on 26 December 2004 produced broad regions of uplift and subsidence. We define the pivot line separating these regions as a first step in defining the lateral extent and the downdip limit of rupture during that great Mw ??? 9.2 earthquake. In the region of...
Sexual dimorphism of the internal mandibular chamber in Fayum Pliohyracidae (Mammalia)
de Blieux, M.R. Baumrind, E.L. Simons, P.S. Chatrath, G.E. Meyer, Y.S. Attia
2006, Journal of Vertebrate Paleontology (26) 160-169
An internal mandibular fenestra and chamber are found in many fossil hyracoids. The internal mandibular fenestra is located on the lingual surface of the mandibular corpus and opens into a chamber within the mandible. The mandibular chamber is maximally developed in late Eocene Thyrohyrax meyeri and early Oligocene Thyrohyrax domorictus...
Rare earths, the lanthanides, yttrium and scandium
J.B. Hedrick
2006, Mining Engineering (58) 51-53
In 2005, rare earths were not mined in the United States. The major supplier, Molycorp, continued to maintain a large stockpile of rare-earth concentrates and compounds. Consumption decreased of refined rare-earth products. The United States remained a major importer and exporter of rare earths in 2005. During the same period,...
L1C signal design options
J.W. Betz, C.R. Cahn, P.A. Dafesh, C.J. Hegarty, K.W. Hudnut, A.J. Jones, R. Keegan, K. Kovach, L.S. Lenahan, H.H. Ma, J.J. Rushanan, T.A. Stansell, C.C. Wang, S.K. Yi
2006, Conference Paper, Proceedings of the Institute of Navigation, National Technical Meeting
Design activities for a new civil signal centered at 1575.42 MHz, called L1C, began in 2003, and the Phase 1 effort was completed in 2004. The L1C signal design has evolved and matured during a Phase 2 design activity that began in 2005. Phase 2 has built on the initial...
Ground-water surface-water interactions and long-term change in riverine riparian vegetation in the southwestern United States
R. H. Webb, S. A. Leake
2006, Conference Paper, Journal of Hydrology
Riverine riparian vegetation has changed throughout the southwestern United States, prompting concern about losses of habitat and biodiversity. Woody riparian vegetation grows in a variety of geomorphic settings ranging from bedrock-lined channels to perennial streams crossing deep alluvium and is dependent on interaction between ground-water and surface-water resources. Historically, few...
Petrography, palynology, and paleoecology of the Lower Pennsylvanian Bon Air coal, Franklin County, Cumberland Plateau, southeast Tennessee
S.A. Shaver, C.F. Eble, J.C. Hower, F.L. Saussy
2006, International Journal of Coal Geology (67) 17-46
Stratigraphy, palynology, petrography, and geochemistry of the Bon Air coal from the Armfield, Dotson, Rutledge, and Shakerag mine sites of Franklin County, Tennessee suggest that Bon Air seams at all sites were small (??? 1.0 mile, 1.6 km), spatially distinct paleomires that evolved from planar to domed within the fluviodeltaic...
State summaries: Kentucky
S.F. Greb, W.H. Anderson
2006, Mining Engineering (58) 92-95
Kentucky mines coal, limestone, clay, sand and gravel. Coal mining operations are carried out mainly in the Western Kentucky Coal Field and the Eastern Kentucky Coal field. As to nonfuel minerals, Mississippian limestones are mined in the Mississippian Plateaus Region and along Pine Mountain in southeastern Kentucky. Ordovician and Silurian...
Interactions of slimy sculpin (Cottus cognatus) with native and nonnative trout: Consequences for growth
J. K. H. Zimmerman, B. Vondracek
2006, Canadian Journal of Fisheries and Aquatic Sciences (63) 1526-1535
We examined growth of native slimy sculpin (Cottus cognatus), native brook trout (Salvelinus fontinalis), and nonnative brown trout (Salmo trutta) to investigate potential interactions of a native nongame fish with native and nonnative trout. Enclosures (1 m2) were stocked with five treatments (juvenile brown trout with sculpin, juvenile brook trout...
Survey and monitoring of species at risk at Camp Blanding Training Site, northeastern Florida
C.J. Gregory, R.R. Carthy, L.G. Pearlstine
2006, Southeastern Naturalist (5) 473-498
We studied the presence and distribution of 19 species at risk in northeastern Florida at the Camp Blanding Training Site (CBTS) during 2000-2001, seven years after the first major baseline surveys of CBTS were conducted. Much of the training conducted at CBTS deals with light infantry exercises, but the site...
Fire decreases arthropod abundance but increases diversity: Early and late season prescribed fire effects in a Sierra Nevada mixed-conifer forest
Scott Ferrenberg, Dylan W. Schwilk, Eric E. Knapp, Eric Groth, Jon E. Keeley
2006, Fire Ecology (2) 79-102
Prior to fire suppression in the 20th century, the mixed-conifer forests of the Sierra Nevada, California, U.S.A., historically burned in frequent fires that typically occurred during the late summer and early fall. Fire managers have been attempting to restore natural ecosystem processes through prescription burning, and have often favored burning...
Aquatic toxicity of nine aircraft deicer and anti-icer formulations and relative toxicity of additive package ingredients alkylphenol ethoxylates and 4,5-methyl-1H-benzotriazoles
S.R. Corsi, S.W. Geis, J. E. Loyo-Rosales, C.P. Rice
2006, Environmental Science & Technology (40) 7409-7415
Characterization of the effects of aircraft deicer and anti-icer fluid (ADAF) runoff on aquatic organisms in receiving streams is a complex issue because the identities of numerous toxic additives are proprietary and not publicly available. Most potentially toxic and endocrine disrupting effects caused by ADAF are due to the numerous...
The effect of the "Great Flood of 1993" on subsequent suspended sediment concentrations and fluxes in the Mississippi River Basin, USA
A. J. Horowitz
2006, Conference Paper, IAHS-AISH Publication
During the spring/summer of 1993, the upper Midwestern USA experienced unusually heavy precipitation (200-350% above normal). More than 500 gauging stations in the region were simultaneously above flood stage, and nearly 150 major rivers and tributaries over-topped their banks. This was one of the costliest floods in the history of...
