Isolation of microsatellite loci from the lesser long-nosed bat (Leptonycteris yerbuenae)
Judith Ramirez, A. Munguia-Vega, Melanie Culver
2011, Conservation Genetics Resources (3) 327-329
Leptonycteris yerbabuenae is a nectarivore (subfamily: Glossophaginae, family: Phyllostomidae), is found from southern Arizona/southwestern New Mexico to southern Mexico including the Baja California peninsula (Ceballos et al.1997; Cockrum 1991).Leptonycteris yerbabuenae is listed as endangered in the United States (Shull 1988) and threatened in Mexico (SEMARNAT 2002). They migrate up to...
Mapping three-dimensional surface deformation by combining multiple-aperture interferometry and conventional interferometry: Application to the June 2007 eruption of Kilauea Volcano, Hawaii
H.-S. Jung, Z. Lu, J.-S. Won, Michael P. Poland, Asta Mikijus
2011, IEEE Geoscience and Remote Sensing Letters (8) 34-38
Surface deformation caused by an intrusion and small eruption during June 17-19, 2007, along the East Rift Zone of Kilauea Volcano, Hawaii, was three-dimensionally reconstructed from radar interferograms acquired by the Advanced Land Observing Satellite (ALOS) phased-array type L-band synthetic aperture radar (SAR) (PALSAR) instrument. To retrieve the 3-D surface...
Elevated gas hydrate saturation within silt and silty clay sediments in the Shenhu area, South China Sea
Xiujuan Wang, Deborah R. Hutchinson, Shiguo Wu, Shengxiong Yang, Yiqun Guo
2011, Journal of Geophysical Research B: Solid Earth (116)
Gas hydrate saturations were estimated using five different methods in silt and silty clay foraminiferous sediments from drill hole SH2 in the South China Sea. Gas hydrate saturations derived from observed pore water chloride values in core samples range from 10 to 45% of the pore space at 190–221 m...
Wave-current interaction in Willapa Bay
Maitane Olabarrieta, John C. Warner, Nirnimesh Kumar
2011, Journal of Geophysical Research C: Oceans (116)
This paper describes the importance of wave-current interaction in an inlet-estuary system. The three-dimensional, fully coupled, Coupled Ocean-Atmosphere-Wave-Sediment Transport (COAWST) modeling system was applied in Willapa Bay (Washington State) from 22 to 29 October 1998 that included a large storm event. To represent the interaction between waves and currents, the...
Watershed-scale response to climate change through the twenty-first century for selected basins across the United States
Lauren E. Hay, Steven L. Markstrom, Christian D. Ward-Garrison
2011, Earth Interactions (15) 1-37
The hydrologic response of different climate-change emission scenarios for the twenty-first century were evaluated in 14 basins from different hydroclimatic regions across the United States using the Precipitation-Runoff Modeling System (PRMS), a process-based, distributed-parameter watershed model. This study involves four major steps: 1) setup and calibration of the PRMS model...
Thermal removal from near-infrared imaging spectroscopy data of the Moon
Roger N. Clark, Carle M. Pieters, Robert O. Green, J.W. Boardman, Noah E. Petro
2011, Journal of Geophysical Research E: Planets (116) 1-9
In the near-infrared from about 2 μm to beyond 3 μm, the light from the Moon is a combination of reflected sunlight and emitted thermal emission. There are multiple complexities in separating the two signals, including knowledge of the local solar incidence angle due to topography, phase angle dependencies, emissivity, and instrument...
Mechanics of flow and sediment transport in delta distributary channels
Jonathan M. Nelson, Paul J. Kinzel, Duong Duc Toan, Yasuyuki Shimizu, Richard R. McDonald
2011, Conference Paper
Predicting the planform and dimensions of a channel downstream from a confluence of two smaller channels with known sediment and water supplies is a fundamental, well-studied problem in geomorphology and engineering. An analogous but less well understood problem is found well downstream of such confluences, where large river channels split into...
Episodic growth of a Late Cretaceous and Paleogene intrusive complex of pegmatitic leucogranite, Ruby Mountains core complex, Nevada, USA
Keith A. Howard, J. L. Wooden, C. G. Barnes, W. R. Premo, A.W. Snoke, S.-Y. Lee
2011, Geosphere (7) 1220-1248
Gneissic pegmatitic leucogranite forms a dominant component (>600 km3) of the midcrustal infrastructure of the Ruby Mountains–East Humboldt Range core complex (Nevada, USA), and was assembled and modified episodically into a batholithic volume by myriad small intrusions from ca. 92 to 29 Ma. This injection complex consists of deformed sheets...
Geodetic slip model of the 2011 M9.0 Tohoku earthquake
Frederick Pollitz, Roland Burgmann, Paramesh Banerjee
2011, Geophysical Research Letters (38)
The three-dimensional crustal displacement field as sampled by GPS is used to determine the coseismic slip of the 2011 M9.0 Tohoku Earthquake. We employ a spherically layered Earth structure and use a combination of onland GPS, out to ∼4000 km from the rupture, and offshore GPS, which samples the high-slip...
Moments, magnitudes, and radiated energies of non-volcanic tremor near Cholame, CA, from ground motion spectra at UPSAR
Joe B. Fletcher, Art McGarr
2011, Geophysical Research Letters (38)
By averaging the spectra of events within two episodes of tremor (on Jan. 21 and 24, 2005) across the 12 stations of UPSAR, we improved the S/N sufficiently to define source spectra. Analysis of eleven impulsive events revealed attenuation-corrected spectra of displacement similar to those of earthquakes, with a low-frequency...
Observations of coarse sediment movements on the mixed beach of the Elwha Delta, Washington
I.M. Miller, Jonathan A. Warrick, C. Morgan
2011, Marine Geology (282) 201-214
Mixed beaches, with poorly sorted grains of multiple sizes, are a common and globally distributed shoreline type. Despite this, rates and mechanisms of sediment transport on mixed beaches are poorly understood. A series of tracer deployments using native clasts implanted with Radio Frequency Identifier (RFID) tags was used to develop...
Variation in local abundance and species richness of stream fishes in relation to dispersal barriers: Implications for management and conservation
K.H. Nislow, M. Hudy, B. H. Letcher, E.P. Smith
2011, Freshwater Biology (56) 2135-2144
1.Barriers to immigration, all else being equal, should in principle depress local abundance and reduce local species richness. These issues are particularly relevant to stream-dwelling species when improperly designed road crossings act as barriers to migration with potential impacts on the viability of upstream populations. However, because abundance and richness...
The relative importance of physicochemical factors to stream biological condition in urbanizing basins: Evidence from multimodel inference
Daren M. Carlisle, Wade L. Bryant Jr.
2011, Freshwater Science (31) 154-166
Many physicochemical factors potentially impair stream ecosystems in urbanizing basins, but few studies have evaluated their relative importance simultaneously, especially in different environmental settings. We used data collected in 25 to 30 streams along a gradient of urbanization in each of 6 metropolitan areas (MAs) to evaluate the relative importance...
Chapter 3: Changes to the Wyoming Basins landscape from oil and natural gas development
Sean P. Finn, Steven T. Knick
2011, Book chapter, Sagebrush ecosystem conservation and management: Ecoregional assessment tools and models for the Wyoming Basins
Oil and natural gas have been produced in Wyoming since the late 1800s although the rate of extraction has increased substantially in the last two decades. Well pads, roads, and infrastructure built to support resource development alter native vegetation configuration; however, the rate and effect of land cover change resulting...
'Forensic' geochemical approaches to constrain the source of Au-Ag in low-sulfidation epithermal ores
James A. Saunders, G. D. Kamenov, Albert H. Hofstra, D. L. Unger, R. A. Creaser, F. Barra
Roger Steininger, Bill Pennell, editor(s)
2011, Conference Paper, Great Basin evolution and metallogeny: 2010 symposium proceedings
In order to better constrain genetic processes involved in forming mineral deposits (and ultimately exploration models), it helps to know from where the metals of interest are derived. How the metals arrived at their point of deposition, and why they were deposited there, are separate issues. We are using three...
Testing a bioenergetics-based habitat choice model: bluegill (Lepomis macrochirus) responses to food availability and temperature
2011, Canadian Journal of Fisheries and Aquatic Sciences (47) 1664-1671
Using an automated shuttlebox system, we conducted patch choice experiments with 32, 8–12 g bluegill sunfish (Lepomis macrochirus) to test a behavioral energetics hypothesis of habitat choice. When patch temperature and food levels were held constant within patches but different between patches, we expected bluegill to choose patches that maximized growth...
Fluid flow, solution collapse, and massive dissolution at detachment faults, Mormon Mountains, Nevada
Sharon F. Diehl, R. Ernest Anderson, J. D. Humphrey
Paul J. Umhoefer, L. Sue Beard, Melissa Lamb, editor(s)
2010, Book chapter, Miocene tectonics of the Lake Mead Region, central basin and range
Dissolution has removed large volumes of rock at low-angle normal faults, i.e., detachment faults, in the Mormon Mountains and the Tule Springs Hills in the eastern Basin and Range Province, southeastern Nevada....
A spectral index for estimating soil salinity in the Yellow River Delta region of China using EO-1 Hyperion data
Yongling Weng, Peng Gong, Zhiliang Zhu
2010, Pedosphere (27) 378-388
Soil salinization is one of the most common land degradation processes. In this study, spectral measurements of saline soil samples collected from the Yellow River Delta region of China were conducted in laboratory and hyperspectral data were acquired from an EO-1 Hyperion sensor to quantitatively map soil salinity in the...
Stage measurement at gaging stations
Vernon B. Sauer, D. Phil Turnipseed
2010, Techniques and Methods 3-A7
Stream and reservoir stage are critical parameters in the computation of stream discharge and reservoir volume, respectively. In addition, a record of stream stage is useful in the design of structures that may be affected by stream elevation, as well as for the planning for various uses of flood plains....
Incorporation of water-use summaries into the StreamStats web application for Maryland
Kernell G. Ries III, Marilee A. Horn, Mark R. Nardi, Steven Tessler
2010, Scientific Investigations Report 2010-5111
Approximately 25,000 new households and thousands of new jobs will be established in an area that extends from southwest to northeast of Baltimore, Maryland, as a result of the Federal Base Realignment and Closure (BRAC) process, with consequent new demands on the water resources of the area. The U.S. Geological...
A new parameterization for estimating co‐occurrence of interacting species
J. Hardin Waddle, Robert M. Dorazio, Susan C. Walls, Kenneth G. Rice, Jeff Beauchamp, Melinda J. Schuman, Frank J. Mazzotti
2010, Ecological Applications (20) 1467-1475
Models currently used to estimate patterns of species co‐occurrence while accounting for errors in detection of species can be difficult to fit when the effects of covariates on species occurrence probabilities are included. The source of the estimation problems is the particular parameterization used to specify species co‐occurrence probability. We...
Derivation of cat embryonic stem-like cells from in vitro-produced blastocysts on homologous and heterologous feeder cells
M.C. Gomez, M.A. Serrano, C. Earle Pope, Jill A. Jenkins, M.N. Biancardi, M. Lopez, C. Dumas, J. Galiguis, B.L. Dresser
2010, Theriogenology (74) 498-515
The domestic cat is a focal mammalian species that is used as a model for developing assisted reproductive technologies for preserving endangered cats and for studying human diseases. The generation of stable characterized cat embryonic stem cells (ESC) lines to use as donor nuclei may help to improve the efficiency...
Climate-driven interannual variability in net ecosystem exchange in the Northern Great Plains grasslands
Liping Zhang, Bruce K. Wylie, Lei Ji, Tagir G. Gilmanov, Larry L. Tieszen
2010, Rangeland Ecology and Management (63) 40-50
The Northern Great Plains grasslands respond differently under various climatic conditions; however, there have been no detailed studies investigating the interannual variability in carbon exchange across the entire Northern Great Plains grassland ecosystem. We developed a piecewise regression model to integrate flux tower data with remotely sensed data and mapped the 8-d and...
Using landscape limnology to classify freshwater ecosystems for multi-ecosystem management and conservation
Patricia A. Soranno, Kendra Spence Cheruvelil, Katherine E. Webster, Mary T. Bremigan, Tyler Wagner, Craig A. Stow
2010, BioScience (60) 440-454
Governmental entities are responsible for managing and conserving large numbers of lake, river, and wetland ecosystems that can be addressed only rarely on a case-by-case basis. We present a system for predictive classification modeling, grounded in the theoretical foundation of landscape limnology, that creates a tractable number of ecosystem classes...
Influence of cover and food resource variation on postbreeding bird use of timber harvests with residual canopy trees
Molly E. McDermott, Petra Wood
2010, Wilson Journal of Ornithology (122) 545-555
We investigated avian use of clearcuts and two-age harvests during the post-breeding period in 2006 in the central Appalachians, West Virginia, USA with an information-theoretic approach to model selection. Cover variables appeared to be most important; e.g., vegetative vertical complexity had a strong positive relation with capture rates of mature...
