Comparison with CLPX II airborne data using DMRT model
X. Xu, D. Liang, K.M. Andreadis, L. Tsang, E.G. Josberger
2009, Conference Paper, International Geoscience and Remote Sensing Symposium (IGARSS)
In this paper, we considered a physical-based model which use numerical solution of Maxwell Equations in three-dimensional simulations and apply into Dense Media Radiative Theory (DMRT). The model is validated in two specific dataset from the second Cold Land Processes Experiment (CLPX II) at Alaska and Colorado. The data were...
Improving accessibility to geospatial data using geographic search
J.E. Williams, M.L. Allison, J.B. Kozman
2009, Conference Paper, 2009 17th International Conference on Geoinformatics, Geoinformatics 2009
[No abstract available]...
Pliocene three-dimensional global ocean temperature reconstruction
H.J. Dowsett, M.M. Robinson, K.M. Foley
2009, Climate of the Past (5) 769-783
The thermal structure of the mid-Piacenzian ocean is obtained by combining the Pliocene Research, Interpretation and Synoptic Mapping Project (PRISM3) multiproxy sea-surface temperature (SST) reconstruction with bottom water temperature estimates from 27 locations produced using Mg/Ca paleothermometry based upon the ostracod genus Krithe. Deep water temperature estimates are skewed toward...
Migration patterns and wintering range of common loons breeding in the Northeastern United States
K.P. Kenow, D. Adams, N. Schoch, D.C. Evers, W. Hanson, D. Yates, L. Savoy, T.J. Fox, A. Major, R. Kratt, J. Ozard
2009, Waterbirds (32) 234-247
A study, using satellite telemetry, was conducted to determine the precise migration patterns and wintering locations of Common Loons (Gavia immer) breeding in the northeastern United States. Transmitters were implanted in 17 loons (16 adults and one juvenile) that were captured on breeding lakes in New York, New Hampshire, and...
Tamarisk (Tamarix spp.) water fluxes before, during and after episodic defoliation by the saltcedar leaf beetle
K. R. Hultine, P.L. Nagler, P.E. Dennison, S.E. Bush, J.R. Ehleringer
2009, Book, Acta Horticulturae: VII International Workshop on Sap Flow
Tamarisk (Tamarix) species are among the most successful and economically costly plant invaders in the western United States, in part due to its potential to remove large amounts of water from shallow aquifers. Accordingly, local, state and federal agencies have released a new biological control - the saltcedar leaf beetle...
Hand-mouth transfer and potential for exposure to E. coli and F+ coliphage in beach sand, Chicago, Illinois
R.L. Whitman, K. Przybyla-Kelly, D.A. Shively, M.B. Nevers, M.N. Byappanahalli
2009, Journal of Water and Health (7) 623-629
Beach sand contains fecal indicator bacteria, often in densities greatly exceeding the adjacent swimming waters. We examined the transferability of Escherichia coli and F+ coliphage (MS2) from beach sand to hands in order to estimate the potential subsequent health risk. Sand with high initial E. coli concentrations was collected from...
Revised Dst and the epicycles of magnetic disturbance: 1958-2007
J.J. Love, J.L. Gannon
2009, Annales Geophysicae (27) 3101-3131
A revised version of the storm-time disturbance index Dst is calculated using hourly-mean magnetic-observatory data from four standard observatories and collected over the years 1958-2007. The calculation algorithm is a revision of that established by Sugiura et al., and which is now used by the Kyoto World Data Center for...
Effects of sediment transport and seepage direction on hydraulic properties at the sediment-water interface of hyporheic settings
D.O. Rosenberry, J. Pitlick
2009, Journal of Hydrology (373) 377-391
Relations between seepage flux and hydraulic properties are difficult to quantify in fluvial settings because of the difficulty in measuring these variables in situ. Tests conducted in a 1.5-m diameter by 1.5-m tall sediment-filled tank indicate that hydraulic gradient increased and hydraulic conductivity (K) decreased following the onset of downward...
The Meteoritical Bulletin, No. 96, September 2009
M.K. Weisberg, C. Smith, G. Benedix, C.D.K. Herd, K. Righter, H. Haack, A. Yamaguchi, Aoudjehane H. Chennaoui, J. N. Grossman
2009, Meteoritics and Planetary Science (44) 1355-1397
The Meteoritical Bulletin No. 96 contains a total of 1590 newly approved meteorite names with their relevant data. These include 12 from specific locations within Africa, 76 from northwest Africa, 9 from the Americas, 13 from Asia, 1 from Australia, 2 from Europe, 950 from Antarctica recovered by the Chinese...
A prototype feature system for feature retrieval using relationships
J. Choi, E.L. Usery
2009, Cartography and Geographic Information Science (36) 331-345
Using a feature data model, geographic phenomena can be represented effectively by integrating space, theme, and time. This paper extends and implements a feature data model that supports query and visualization of geographic features using their non-spatial and temporal relationships. A prototype feature-oriented geographic information system (FOGIS) is then developed...
Loss of butt-end leg bands on male wild turkeys
Duane R. Diefenbach, Mary Jo Casalena, Michael V. Schiavone, David A. Swanson, Michael Reynolds, Robert C. Boyd, Robert Eriksen, Bryan L. Swift
2009, Journal of Wildlife Management (73) 996-999
We estimated loss of butt-end leg bands on male wild turkeys (Meleagris gallapavo) captured in New York, Ohio, and Pennsylvania (USA) during December–March, 2006–2008. We used aluminum rivet leg bands as permanent marks to estimate loss of regular aluminum, enameled aluminum, anodized aluminum, and stainless steel butt-end leg bands placed...
A habitat assessment for Florida panther population expansion into central Florida
C.A. Thatcher, F.T. Van Manen, J. D. Clark
2009, Journal of Mammalogy (90) 918-925
One of the goals of the Florida panther (Puma concolor coryi) recovery plan is to expand panther range north of the Caloosahatchee River in central Florida. Our objective was to evaluate the potential of that region to support panthers. We used a geographic information system and the Mahalanobis distance statistic...
Trace-element record in zircons during exhumation from UHP conditions, North-East Greenland Caledonides
W.C. McClelland, J. A. Gilotti, F.K. Mazdab, J. L. Wooden
2009, European Journal of Mineralogy (21) 1135-1148
Coesite-bearing zircon formed at ultrahigh-pressure (UHP) conditions share general characteristics of eclogite-facies zircon with trace-element signatures characterized by depleted heavy rare earth elements (HREE), lack of an Eu anomaly, and low Th/ U ratios. Trace-element signatures of zircons from the Caledonian UHP terrane in North-East Greenland were used to examine...
Declines in moose population density at Isle Royle National Park, MI, USA and accompanied changes in landscape patterns
N. R. De Jager, J. Pastor
2009, Landscape Ecology (24) 1389-1403
Ungulate herbivores create patterns of forage availability, plant species composition, and soil fertility as they range across large landscapes and consume large quantities of plant material. Over time, herbivore populations fluctuate, producing great potential for spatio-temporal landscape dynamics. In this study, we extend the spatial and temporal extent of a...
A sampling design framework for monitoring secretive marshbirds
Douglas H. Johnson, J.P. Gibbs, M. Herzog, S. Lor, N.D. Niemuth, C. A. Ribic, M. Seamans, T.L. Shaffer, W.G. Shriver, S.V. Stehman, W.L. Thompson
2009, Waterbirds (32) 203-215
A framework for a sampling plan for monitoring marshbird populations in the contiguous 48 states is proposed here. The sampling universe is the breeding habitat (i.e. wetlands) potentially used by marshbirds. Selection protocols would be implemented within each of large geographical strata, such as Bird Conservation Regions. Site selection will...
Wetland use and feeding by lesser scaup during spring migration across the upper Midwest, USA
M.J. Anteau, A. D. Afton
2009, Wetlands (29) 704-712
Low food availability and forage quality and concomitant decreased lipid reserves of lesser scaup (Aythya affinis; hereafter scaup) during spring migration in the upper Midwest may partially explain reductions in the continental population of scaup. In springs 20042005, we examined wetland use and feeding activity of scaup on 356 randomly-selected...
Endogenic carbonate sedimentation in Bear Lake, Utah and Idaho, over the last two glacial-interglacial cycles
W.E. Dean
2009, Special Paper of the Geological Society of America 169-196
Sediments deposited over the past 220,000 years in Bear Lake, Utah and Idaho, are predominantly calcareous silty clay, with calcite as the dominant carbonate mineral. The abundance of siliciclastic sediment indicates that the Bear River usually was connected to Bear Lake. However, three marl intervals containing more than 50% CaCO3...
Hurricane frequency and landfall distribution for coastal wetlands of the Gulf coast, USA
T.W. Doyle
2009, Wetlands (29) 35-43
The regularity and severity of tropical storms are major determinants controlling ecosystem structure and succession for coastal ecosystems. Hurricane landfall rates vary greatly with high and low frequency for given coastal stretches of the southeastern United States. Site-specific meteorological data of hurricane wind speeds and direction, however, are only available...
Feeding ecology of arctic-nesting sandpipers during spring migration through the prairie pothole region
J.L. Eldridge, Gary L. Krapu, Douglas H. Johnson
2009, Journal of Wildlife Management (73) 248-252
We evaluated food habits of 4 species of spring-migrant calidrid sandpipers in the Prairie Pothole Region (PPR) of North Dakota. Sandpipers foraged in several wetland classes and fed primarily on aquatic dipterans, mostly larvae, and the midge family Chironomidae was the primary food eaten. Larger sandpiper species foraged in deeper...
Late Quaternary sedimentary features of Bear Lake, Utah and Idaho
J. P. Smoot
2009, Special Paper of the Geological Society of America 49-104
Bear Lake sediments were predominantly aragonite for most of the Holocene, reflecting a hydrologically closed lake fed by groundwater and small streams. During the late Pleistocene, the Bear River flowed into Bear Lake and the lake waters spilled back into the Bear River drainage. At that time, sediment deposition was...
Rock-avalanche and ocean-resurge deposits in the late Eocene Chesapeake Bay impact structure: Evidence from the ICDP-USGS Eyreville cores, Virginia, USA
Gregory Gohn, David S. Powars, H. Dypvik, Lucy E. Edwards
2009, Special Paper of the Geological Society of America 587-615
An unusually thick section of sedimentary breccias dominated by target-sediment clasts is a distinctive feature of the late Eocene Chesapeake Bay impact structure. A cored 1766-m-deep section recovered from the central part of this marine-target structure by the International Continental Scientific Drilling Program (ICDP)-U.S. Geological Survey (USGS) drilling project contains...
Reproduction and microhabitat selection in a sharply declining Northern Bobwhite population
B.M. Collins, C.K. Williams, Paul M. Castelli
2009, Wilson Journal of Ornithology (121) 688-695
Northern Bobwhite (Colinus virginianus) populations have been declining throughout their range, but some of the sharpest declines have been documented in the Mid-Atlantic states. We conducted a 2 year (2006-2007) breeding season (1 May-30 Sep) telemetry study in southern New Jersey to collect baseline data on Northern Bobwhite reproductive rates,...
Quantitative polymerase chain reaction (PCR) assays for a bacterial thiaminase I gene and the thiaminase-producing bacterium Paenibacillus thiaminolyticus.
C.A. Richter, Maureen K. Wright-Osment, J.L. Zajicek, D. C. Honeyfield, D. E. Tillitt
2009, Journal of Aquatic Animal Health (21) 229-238
The thiaminase I enzyme produced by the gram-positive bacterium Paenibacillus thiaminolyticus isolated from the viscera of Lake Michigan alewives Alosa pseudoharengus is currently the only defined source of the thiaminase activity linked to thiamine (vitamin B1) deficiency in early mortality syndrome (EMS) in the larvae of Great Lakes salmonines. Diets...
Postimpact heat conduction and compaction-driven fluid flow in the Chesapeake Bay impact structure based on downhole vitrinite reflectance data, ICDP-USGS Eyreville deep core holes and Cape Charles test holes
M.L. Malinconico, W. E. Sanford, Horton W.J.J. Wright Jr.
2009, Special Paper of the Geological Society of America 905-930
Vitrinite reflectance data from the International Continental Scientific Drilling Program (ICDP)-U.S. Geological Survey (USGS) Eyreville deep cores in the centralcrater moat of the Chesapeake Bay impact structure and the Cape Charles test holes on the central uplift show patterns of postimpact maximum-temperature distribution that result from a combination of conductive...
Nest movement by piping plovers in response to changing habitat conditions
Mark T. Wiltermuth, Michael J. Anteau, Mark H. Sherfy, Terry L. Shaffer
2009, Condor (111) 550-555
Birds that nest along reservoir or river shorelines may face fluctuating water levels that threaten nest survival. On Lake Sakakawea of the upper Missouri River, 37 and 70% of Piping Plover (Charadrius melodus) nests found in 2007 and 2008, respectively, were initiated at elevations inundated prior to projected hatch date....
