Polychlorinated biphenyl congener patterns in tree swallows (Tachycineta bicolor) nesting in the Housatonic River watershed, western Massachusetts, USA, using a novel statistical approach
Christine M. Custer, L.B. Read
2006, Environmental Pollution (142) 235-245
A novel application of a commonly used statistical approach was used to examine differences in polychlorinated biphenyl (PCB) congener Patterns among locations and sample matrices in tree swallows (Tachycineta bicolor) nesting in the Housatonic River watershed in western Massachusetts. USA. The most prevalent PCB congeners in tree swallow tissue samples...
Uranium-series constraints on subrepository water flow at yucca mountain, nevada
L.A. Neymark, S.J. Chipera, J.B. Paces, D. T. Vaniman
2006, Conference Paper, Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM
Mineral abundances and whole-rock chemical and uranium-series isotopic compositions were measured in unfractured and rubble core samples from borehole USW SD-9 in the same layers of variably zeolitized tuffs that underlie the proposed nuclear waste repository at Yucca Mountain, Nevada. Uranium concentrations and isotopic compositions also were measured in pore...
Evolution of a Holocene delta driven by episodic sediment delivery and coseismic deformation, Puget Sound, Washington, USA
W. A. Barnhardt, B.L. Sherrod
2006, Sedimentology (53) 1211-1228
Episodic, large-volume pulses of volcaniclastic sediment and coseismic subsidence of the coast have influenced the development of a late Holocene delta at southern Puget Sound. Multibeam bathymetry, ground-penetrating radar (GPR) and vibracores were used to investigate the morphologic and stratigraphic evolution of the Nisqually River delta. Two fluvial–deltaic facies are...
Stability of landsat-4 thematic mapper outgassing models
E. Micijevic, G. Chander
2006, Conference Paper, Proceedings of SPIE - The International Society for Optical Engineering
Oscillations in radiometric gains of the short wave infrared (SWIR) bands in Landsat-4 (L4) and Landsat-5 (L5) Thematic Mappers (TMs) are observed through an analysis of detector responses to the Internal Calibrator (IC) pulses. The oscillations are believed to be caused by an interference effect due to a contaminant film...
Vicarious calibration of GOES imager visible channel using the moon
X. Wu, T.C. Stone, F. Yu, D. Han
2006, Conference Paper, Proceedings of SPIE - The International Society for Optical Engineering
In this paper, we study the feasibility of a method for vicarious calibration of the GOES Imager visible channel using the Moon. The measured Moon irradiance from 26 undipped moon imagers exhausted all the potential Moon appearances between July 1998 and December 2005, together with the seven scheduled Moon observation...
The effects of wetland habitat structure on Florida apple snail density
L.B. Karunaratne, P.C. Darby, R.E. Bennetts
2006, Wetlands (26) 1143-1150
Wetlands often support a variety of juxtaposed habitat patches (e.g., grass-, shrub- or tree-dominated) differentially suited to support the inhabiting fauna. The proportion of available habitat types has been affected by human activity and consequently has contributed to degrading habitat quality for some species. The Florida apple snail (Pomacea paludosa)...
Prediction of resource volumes at untested locations using simple local prediction models
Emil D. Attanasi, Timothy C. Coburn, Philip A. Freeman
2006, Natural Resources Research (15) 223-239
This paper shows how local spatial nonparametric prediction models can be applied to estimate volumes of recoverable gas resources at individual undrilled sites, at multiple sites on a regional scale, and to compute confidence bounds for regional volumes based on the distribution of those estimates. An approach that combines cross-validation,...
Use of the moon to support on-orbit sensor calibration for climate change measurements
T.C. Stone, H. H. Kieffer
2006, Conference Paper, Proceedings of SPIE - The International Society for Optical Engineering
Production of reliable climate datasets from multiple observational measurements acquired by remote sensing satellite systems available now and in the future places stringent requirements on the stability of sensors and consistency among the instruments and platforms. Detecting trends in environmental parameters measured at solar reflectance wavelengths (0.3 to 2.5 microns)...
Interferometric Synthetic Aperture Radar (InSAR)
D. Dzurisin, Z. Lu
2006, Book chapter, Volcano deformation— New geodetic monitoring techniques
Geodesists are, for the most part, a patient and hardworking lot. A day spent hiking to a distant peak, hours spent waiting for clouds to clear a line-of-sight between observation points, weeks spent moving methodically along a level line — such is the normal pulse of the geodetic profession. The...
Large-scale movements and habitat characteristics of king eiders throughout the nonbreeding period
Laura M. Phillips, A.N. Powell, E.A. Rexstad
2006, Condor (108) 887-900
King Eiders (Somateria spectabilis) breeding in western Canada and Alaska molt wing feathers and spend the winter in remote areas of the Bering Sea, precluding direct observation. To characterize timing of migration and habitat used by King Eiders during the nonbreeding period, we collected location data for 60 individuals (27...
Seismic evidence for rock damage and healing on the San Andreas fault associated with the 2004 M 6.0 Parkfield earthquake
Y.-G. Li, P. Chen, E.S. Cochran, J.E. Vidale, T. Burdette
2006, Bulletin of the Seismological Society of America (96)
We deployed a dense linear array of 45 seismometers across and along the San Andreas fault near Parkfield a week after the M 6.0 Parkfield earthquake on 28 September 2004 to record fault-zone seismic waves generated by aftershocks and explosions. Seismic stations and explosions were co-sited with our previous experiment...
Natural history, field ecology, conservation biology and wildlife management: Time to connect the dots
R. Bruce Bury
2006, Herpetological Conservation and Biology (1) 56-61
Natural history and field ecology are essential building blocks for successful conservation and management of herpetofauna. Thus, natural history and field ecology merit major infusions of funding and increased recognition of their importance in science and management. Others have stated matters well: (1) Academic training in natural history should receive...
New geographic records of Hamlets, Hypoplectrus spp. (Serranidae), in the Caribbean Sea
Ernest H. Williams Jr., Lucy Bunkley-Williams, Caroline S. Rogers, Robert Fenner
2006, Revista de Biología Tropical: International Journal of Tropical Biology and Conservation (54) 171-173
The exact number of species of hamlets, Hypoplectrus spp., in the Caribbean is controversial and the geographic distributions of these species/forms are poorly documented. We report Curaçao, Netherlands Antilles, as a new locality for the Barred Hamlet, H. puella (Cuvier), and Shy Hamlet, H. guttavarius (Poey); and St. John and St. Thomas, U.S. Virgin Islands, for...
Holocene environmental and parasequence development of the St. Jones Estuary, Delaware (USA): Foraminiferal proxies of natural climatic and anthropogenic change
E. Leorri, R. Martin, P. McLaughlin
2006, Palaeogeography, Palaeoclimatology, Palaeoecology (241) 590-607
The benthic foraminiferal record of marshes located along western Delaware Bay (St. Jones Estuary, USA) reflects the response of estuaries to sea-level and paleoclimate change during the Holocene. System tracts are recognized and within them parasequences based on sedimentological and foraminiferal assemblages identification. The parasequences defined by foraminiferal assemblages appear...
Surface slip associated with the 2004 Parkfield, California, earthquake measured on alinement arrays
J. J. Lienkaemper, B. Baker, F.S. McFarland
2006, Bulletin of the Seismological Society of America (96)
Although still continuing, surface slip from the 2004 Parkfield earth-quake as measured on alinement arrays appears to be approaching about 30-35 cm between Parkfield and Gold Hill. This includes slip along the main trace and the Southwest Fracture Zone (SWFZ). Slip here was higher in 1966 at about 40 cm....
Eco-informatics and natural resource management
J.B. Cushing, T. Wilson, A. Borning, L. Delcambre, G. Bowker, Mike Frame, J. Schnase, W. Sonntag, J. Fulop, C. Hert, E. Hovy, J. Jones, E. Landis, C. Schweik, L. Brandt, V. Gregg, S. Spengler
2006, Conference Paper, ACM International Conference Proceeding Series
This project highlight reports on the 2004 workshop [1], as well as follow-up activities in 2005 and 2006, regarding how informatics tools can help manage natural resources and decide policy. The workshop was sponsored jointly by sponsored by the NSF, NBII, NASA, and EPA, and attended by practitioners from government...
Phylogeography and spatial genetic structure of the Southern torrent salamander: Implications for conservation and management
M.P. Miller, S. M. Haig, R.S. Wagner
2006, Journal of Heredity (97) 561-570
The Southern torrent salamander (Rhyacotriton variegatus) was recently found not warranted for listing under the US Endangered Species Act due to lack of information regarding population fragmentation and gene flow. Found in small-order streams associated with late-successional coniferous forests of the US Pacific Northwest, threats to their persistence include disturbance...
Quantification of karst aquifer discharge components during storm events through end-member mixing analysis using natural chemistry and stable isotopes as tracers
D.H. Doctor Jr., E.C. Alexander Jr., M. Petric, J. Kogovsek, J. Urbanc, S. Lojen, W. Stichler
2006, Hydrogeology Journal (14) 1171-1191
Karst aquifer components that contribute to the discharge of a water supply well in the Classical Karst (Kras) region (Italy/Slovenia) were quantitatively estimated during storm events. Results show that water released from storage within the epikarst may comprise as much as two-thirds of conduit flow in a karst aquifer following...
Mercury in water and biomass of microbial communities in hot springs of Yellowstone National Park, USA
S.A. King, S. Behnke, K. Slack, D. P. Krabbenhoft, D. Kirk Nordstrom, M.D. Burr, Robert G. Striegl
2006, Applied Geochemistry (21) 1868-1879
Ultra-clean sampling methods and approaches typically used in pristine environments were applied to quantify concentrations of Hg species in water and microbial biomass from hot springs of Yellowstone National Park, features that are geologically enriched with Hg. Microbial populations of chemically-diverse hot springs were also characterized using modern methods in...
Development of spatially diverse and complex dune-field patterns: Gran Desierto Dune Field, Sonora, Mexico
C. Beveridge, G. Kocurek, R.C. Ewing, N. Lancaster, P. Morthekai, A.K. Singhvi, S. A. Mahan
2006, Sedimentology (53) 1391-1409
The pattern of dunes within the Gran Desierto of Sonora, Mexico, is both spatially diverse and complex. Identification of the pattern components from remote-sensing images, combined with statistical analysis of their measured parameters demonstrate that the composite pattern consists of separate populations of simple dune patterns. Age-bracketing by optically stimulated...
Integrating field research, modeling and remote sensing to quantify morphodynamics in a high-energy coastal setting, ocean beach, San Francisco, California
P.L. Barnard, D.M. Hanes
2006, Conference Paper, Coastal Dynamics 2005 - Proceedings of the Fifth Coastal Dynamics International Conference
Wave and coastal circulation modeling are combined with multibeam bathymetry, high-resolution beach surveys, cross-shore Personal Water Craft surveys, digital bed sediment camera surveys, and real-time video monitoring to quantify morphological change and nearshore processes at Ocean Beach, San Francisco. Initial SWAN (Simulating Waves Nearshore) wave modeling results show a focusing...
Integrated biostratigraphy of foraminifers, radiolarians and conodonts in shallow and deep water Middle Permian (Capitanian) deposits of the "Rader slide", Guadalupe Mountains, West Texas
M.K. Nestell, G.P. Nestell, B. R. Wardlaw, M.J. Sweatt
2006, Stratigraphy (3) 161-194
A diverse assemblage of microfossils is present in a 6m thick sequence of three debris flow deposits interbedded with thin turbidite limestone beds and fine grained siliciclastics exposed above the megaconglomerate in a section (known as the "Rader Slide" in numerous guidebook stops) of the Rader Limestone Member of the...
Gimme shelter: The importance of crevices to some fish species inhabiting a deeper-water rocky outcrop in Southern California
M.S. Love, D.M. Schroeder, B. Lenarz, G.R. Cochrane
2006, California Cooperative Oceanic Fisheries Investigations Reports (47) 119-126
Federal law governing fisheries management recognizes the role habitat plays in structuring fish assemblages and achieving sustainable fisheries. However, in most instances it is not known which aspects of habitat are important to the lives of fish species. In 2004, we examined the importance of sheltering sites (crevices) to fishes...
Foraging ecology
M. Tim Tinker, James A. Estes, Michelle Staedler, James L. Bodkin
M. Tim Tinker, James A. Estes, Katherine Ralls, Terrie M. Williams, David A. Jessup, Daniel P. Costa, editor(s)
2006, Book chapter, Population dynamics and biology of the California sea otter (<i>Enhydra lutris nereis</i>) at the southern end of its range
Longitudinal foraging data collected from 60 sea otters implanted with VHF radio transmitters at two study sites in Central California over a three-year period demonstrated even greater individual dietary specialization than in previous studies, with only 54% dietary overlap between individuals and the population.Multivariate statistical analyses indicated that individual diets...
Spatial and temporal variation in sea otter demography
M. Tim Tinker, Daniel F. Doak, James A. Estes, Brian B. Hatfield, Michelle M. Steadler, James L. Bodkin
M. Tim Tinker, James A. Estes, Katherine Ralls, Terrie M. Williams, David A. Jessup, Daniel P. Costa, editor(s)
2006, Book chapter, Population dynamics and biology of the California sea otter (<i>Enhydra lutris nereis</i>) at the southern end of its range
1) Better information on historical and current population dynamics is central to understanding patterns of growth and decline in the California sea otter population. We developed a maximum likelihood-based analytical method to estimate historical age/sex specific vital rates as well as spatial and temporal variation in vital rates from longitudinal...
