NEXRAD tracks wintering waterfowl
Lori A. Randall, Wylie C. Barrow Jr.
2010, Gulf Crossings (14) 9-9
No abstract available....
Self calibration of small and medium format digital cameras
Donald Moe, Aparajithan Sampath, Jon Christopherson, Mike Benson
2010, Conference Paper, ISPRS technical commission VII symposium 100 Years ISPRS advancing remote sensing science
The knowledge of a camera’s interior orientation parameters are a prerequisite for the camera to be used in any precision photogrammetric project. Historically, the interior orientation parameters have been determined by analyzing the measured ground 3D coordinates of photo-identifiable targets, and their 2D (image) coordinates from multiple images of these...
Yellowstone River Compact Commission fifty-ninth annual report 2010
Wayne R. Berkas
2010, Report
No abstract available....
Ancient Saltworks of the Sierra Nevada
James G. Moore, Michael F. Diggles
2010, The Explorers Journal (88) 40-45
No abstract available....
Performance of map symbol and label design with format and display resolution options through scale for the national map
C. A. Brewer, C. L. Hanchett, B. P. Butterfield, E. Lynn Usery
2010, Conference Paper
Symbol and label design for U.S. topographic mapping using data from The National Map has been progressing, partly in support of research by Buttenfield and Stanislawski on hydrographic generalization, and is sponsored by CEGIS, the USGS Center of Excellence for Geospatial Information Science. The work also seeks to make the...
Geological sources of radionuclides and arsenic in Triassic age rift-valley sediments (Newark Supergroup) and implications for distribution in groundwater in Mercer County, New Jersey
Zoltan Szabo, Julia Barringer, Steve Spayd
2010, Conference Paper, Geology of the greater Trenton area and its impact on the capital city: Twenty-seventh Annual Meeting Geological Association of New Jersey : October 8-9, 2010: Field guide and proceedings
No abstract available....
Methods based on surface-water data
Richard W. Healy
2010, Book chapter, Estimating groundwater recharge
Streamflow data are commonly used to estimate recharge rates in humid and subhumid regions, in part because of the abundance of streamflow data and the availability of computer programs for analyzing those data. Most of the methods described in this chapter are easy to use, but application of any of...
Mechanics and modeling of flow, sediment transport and morphologic change in riverine lateral separation zones
Brandy L. Logan, Jonathan M. Nelson, Richard R. McDonald, Scott Wright
2010, Conference Paper, Proceedings of the 2nd joint federal interagency conference (9th federal interagency sedimentation conference and 4th federal interagency hydrologic modeling conference)
Lateral separation zones or eddies in rivers are critically important features for sediment storage and for a variety of roles they play in riparian and aquatic ecology. As part of a larger effort to predict the morphology of lateral separation zones in the Colorado River in Grand Canyon for a...
Aquifer characteristics near cuestas and their relation to rock tensile strength
Roger H. Morin, William H. Schulz
James LoCoco, editor(s)
2010, Conference Paper
Along the northeast coast of North America, extensional tectonic processes have generated lithologic and topographic features that are common to several rift basins. A cap of igneous rock overlies sedimentary rock to form a cuesta with both rock types exposed along a steep ridge flank. Field studies investigating the near‐surface...
Topographic evolution of sandbars: Flume experiment and computational modeling
Paul J. Kinzel, Jonathan M. Nelson, Richard R. McDonald, Brandy L. Logan
2010, Conference Paper
Measurements of sandbar formation and evolution were carried out in a laboratory flume and the topographic characteristics of these barforms were compared to predictions from a computational flow and sediment transport model with bed evolution. The flume experiment produced sandbars with approximate mode 2, whereas numerical simulations produced a bed...
High-resolution receiver function imaging reveals Colorado Plateau lithospheric architecture and mantle-supported topography
Dorothy L. Domingo, R. Aster, S. Grand, J Ni, W.S. Baldridge, David C. Wilson USGS
2010, Geophysical Research Letters (37)
After maintaining elevations near sea level for over 500 million years, the Colorado Plateau (CP) has a present average elevation of 2 km. We compute new receiver function images from the first dense seismic transect to cross the plateau that reveal a central CP crustal thickness of 42–50 km thinning...
Recently active traces of the Bartlett Springs Fault, California: A digital database
James J. Lienkaemper
2010, Data Series 541
The purpose of this map is to show the location of and evidence for recent movement on active fault traces within the Bartlett Springs Fault Zone, California. The location and recency of the mapped traces is primarily based on geomorphic expression of the fault as interpreted from large-scale aerial photography....
Regional variation in diets of breeding Red-shouldered hawks
Bradley N. Strobel, Clint W. Boal
2010, Wilson Journal of Ornithology (122) 68-74
We collected data on breeding season diet composition of Red-shouldered Hawks (Buteo lineatus) in south Texas and compared these data, and those reported from studies elsewhere to examine large scale spatial variation in prey use in eastern North America. Red-shouldered Hawk diets aligned into two significantly different groups, which appear...
GAGES: A stream gage database for evaluating natural and alteredflow conditions in the conterminous United States
James A. Falcone, Daren M. Carlisle, David M. Wolock, Michael R. Meador
2010, Ecology (91) 621-621
Stream flow is a controlling element in the ecology of rivers and streams. Knowledge of the natural flow regime facilitates the assessment of whether specific hydrologic attributes have been altered by humans in a particular stream and the establishment of specific goals for stream-flow restoration. Because most streams are ungaged...
Archeomagnetic dating in western North America: An updated reference curve based on paleomagnetic and archeomagnetic data sets
Jonathan T. Hagstrum, Eric Blinman
2010, Geochemistry, Geophysics, Geosystems (11)
[1] A robust database of paleomagnetic (PM) and archeomagnetic (AM) data for western North America covering the past 4 millennia is assembled from three data sets: (1) published PM data for dated lava flows, (2) recently published AM data generated by R. L. DuBois, and (3) published AM data generated...
Comparison of atmospheric mercury speciation and deposition at nine sites across central and eastern North America
Mark A. Engle, Michael T. Tate, David P. Krabbenhoft, James J Schauer, Allan Kolker, James B. Shanley, Michael Bothner
2010, Journal of Geophysical Research (115)
This study presents >5 cumulative years of tropospheric mercury (Hg) speciation measurements, over the period of 2003–2009, for eight sites in the central and eastern United States and one site in coastal Puerto Rico. The purpose of this research was to identify local and regional processes that impact Hg speciation...
Storm surge modeling and applications in coastal areas
Shisir K. Dube, Tad S. Murty, Jesse C. Feyen, Reggina Cabrera, Bruce A. Harper, Jerad D. Bales, Saud A. Amer
2010, Book chapter, World Scientific Series on Asia-Pacific Weather and Climate
This chapter introduces the reader to a wide spectrum of storm surge modeling systems used to assess the impact of tropical cyclones, covering a range of numerical methods, model domains, forcing and boundary conditions, and purposes. New technologies to obtain data such as deployment of temporary sensors and remote sensing...
Relationship between fibropapillomatosis and environmental quality: A case study with Chelonia mydas off Brazil
Robson G. Santos, Agnaldo Silva Martins, E. Torezani, Cecilia Baptistotte, Julyana da Nobrega Farias, Antunes Paulo Horta, Thierry M. Work, G.H. Balazs
2010, Diseases of Aquatic Organisms (89) 87-95
We documented the presence of fibropapillomatosis (FP), a debilitating tumor-forming disease, in marine turtles in Espírito Santo Bay (Brazil) from March 2007 to April 2008, and assessed the value of a specific environmental index for predicting the prevalence of FP. Turtles were captured monthly with entanglement nets and scored for...
Microparasite ecology and health status of common bluestriped snapper Lutjanus kasmira from the Pacific Islands
Thierry M. Work, M. Vignon, G.S. Aeby
2010, Aquatic Biology (9) 185-192
Common bluestriped snappers Lutjanus kasmira were intentionally introduced into Hawaii from the South Pacific in the 1950s and have become well established throughout the archipelago. We examined health, prevalence and infection intensity of 2 microparasites, coccidia and epitheliocystis-like organisms (ELO), in L. kasmira from their introduced and native range including...
Erosion of tilted fault blocks and deposition of coarse sediments in half-graben basins during late stages of extension: Gold Butte area, Basin and Range Province
Keith A. Howard, Sue Beard, M. A. Kuntz, Michael J. Kunk, Andrei M. Sarna-Wojcicki, M. E. Perkins, Ivo Lucchitta
2010, GSA Special Papers (463) 147-170
The provenance and stratigraphic architecture of basin-filling Miocene sediments around the Gold Butte area, southern Nevada, and adjacent highlands record the erosion of fault blocks that progressively tilted during extension. This study focuses especially on upper Miocene correlatives of the red sandstone unit and the Muddy Creek Formation that were...
Effects of groundwater-flow paths on nitrate concentrations across two riparian forest corridors
Gary K. Speiran
2010, Journal of the American Water Resources Association (46) 246-260
Groundwater levels, apparent age, and chemistry from field sites and groundwater-flow modeling of hypothetical aquifers collectively indicate that groundwater-flow paths contribute to differences in nitrate concentrations across riparian corridors. At sites in Virginia (one coastal and one Piedmont), lowland forested wetlands separate upland fields from nearby surface waters (an estuary...
Streamflow gain-loss characteristics of Elkhead Creek downstream from Elkhead Reservoir near Craig, Colorado, 2009
Barbara C. Ruddy
2010, Scientific Investigations Report 2010-5198
The U.S. Geological Survey (USGS), in cooperation with the Colorado Water Conservation Board, the Upper Colorado River Endangered Fish Recovery Program (UCREFRP), Colorado Division of Water Resources, and City of Craig studied the gain-loss characteristics of Elkhead Creek downstream from Elkhead Reservoir to the confluence with the Yampa River during...
Global research priorities for sea turtles: Informing management and conservation in the 21st century
M. Hamann, M.H. Godfrey, J.A. Seminoff, P.C.R. Barata, K.A. Bjorndal, A.B. Bolten, A.C. Broderick, L.M. Campbell, C. Carreras, P. Casale, M. Chaloupka, S.-K. Chan, M. Coyne, L.B. Crowder, C.E. Diez, P.H. Dutton, S.P. Epperly, N.N. FitzSimmons, A. Formia, M. Girondot, G.C. Hays, I.J. Cheng, Y. Kaska, R. Lewison, J.A. Mortimer, W.J. Nichols, R.D. Reina, K. Shanker, J.R. Spotila, J. Tomás, B.P. Wallace, Thierry M. Work, N. Zbinden, B.J. Godley
2010, Endangered Species Research (11) 245-269
Over the past 3 decades, the status of sea turtles and the need for their protection to aid population recovery have increasingly captured the interest of government agencies, non-governmental organisations (NGOs) and the general public worldwide. This interest has been matched by increased research attention, focusing on a wide variety...
Increasing precision of turbidity-based suspended sediment concentration and load estimates
John D. Jastram, Carl E. Zipper, Lucian W. Zelanzny, Kenneth Hyer
2010, Journal of Environmental Quality (39) 1306-1316
Turbidity is an effective tool for estimating and monitoring suspended sediments in aquatic systems. Turbidity can be measured in situ remotely and at fine temporal scales as a surrogate for suspended sediment concentration (SSC), providing opportunity for a more complete record of SSC than is possible with physical sampling approaches....
Forward to the conservation, biology, and natural history of North American crayfishes
Zachary J. Loughman, Thomas P. Simon, Stuart A. Welsh
2010, Southeastern Naturalist (9) 1-10
No abstract available....