8 March 2010 Elazığ-Kovancilar (Turkey) Earthquake: observations on ground motions and building damage
Sinan Akkar, A. Aldemir, A. Askan, S. Bakir, E. Canbay, I.O. Demirel, M.A. Erberik, Z. Gulerce, Polat Gulkan, Erol Kalkan, S. Prakash, M.A. Sandikkaya, V. Sevilgen, B. Ugurhan, E. Yenier
2011, Seismological Research Letters (82) 42-58
An earthquake of MW = 6.1 occurred in the Elazığ region of eastern Turkey on 8 March 2010 at 02:32:34 UTC. The United States Geological Survey (USGS) reported the epicenter of the earthquake as 38.873°N-39.981°E with a focal depth of 12 km. Forty-two people lost their lives and 137 were injured during...
Hierarchical modeling of an invasive spread: The eurasian collared-dove streptopelia decaocto in the United States
F. Bled, J. Andrew Royle, E. Cam
2011, Ecological Applications (21) 290-302
Invasive species are regularly claimed as the second threat to biodiversity. To apply a relevant response to the potential consequences associated with invasions (e.g., emphasize management efforts to prevent new colonization or to eradicate the species in places where it has already settled), it is essential to understand invasion mechanisms...
Imaging using cross-hole seismoelectric tomography
A.H. Araji, A. Revil, A. Jardani, B. Minsley
2011, SEG Technical Program Expanded Abstracts (30) 469-473
We propose a new cross-hole imaging approach based on seismoelectric conversions associated with the transmission of seismic waves from seismic sources located in a borehole to receivers electrodes located in a second borehole. The seismoelectric seismic-to-electric problem is solved using Biot theory coupled with a generalized Ohm's law with an...
Implementing telemetry on new species in remote areas: Recommendations from a large-scale satellite tracking study of African waterfowl
J. Cappelle, S. A. Iverson, John Y. Takekawa, S. H. Newman, T. Dodman, N. Gaidet
2011, Ostrich (82) 17-26
We provide recommendations for implementing telemetry studies on waterfowl on the basis of our experience in a tracking study conducted in three countries of sub-Saharan Africa. The aim of the study was to document movements by duck species identified as priority candidates for the potential spread of avian influenza. Our...
Zircon-scale insights into the history of a Supervolcano, Bishop Tuff, Long Valley, California, with implications for the Ti-in-zircon geothermometer
M. R. Reid, J.A. Vazquez, A.K. Schmitt
2011, Contributions to Mineralogy and Petrology (161) 293-311
Zircon has the outstanding capacity to record chronological, thermal, and chemical information, including the storage history of zoned silicic magma reservoirs like the one responsible for the Bishop Tuff of eastern California, USA. Our novel ion microprobe approach reveals that Bishop zircon rims with diverse chemical characteristics surround intermediate domains...
Hydrogeology, Chemical and Microbial Activity Measurement Through Deep Permafrost
R.L. Stotler, S.K. Frape, B.M. Freifeld, B. Holden, T.C. Onstott, T. Ruskeeniemi, E. Chan
2011, Ground Water (49) 348-364
Little is known about hydrogeochemical conditions beneath thick permafrost, particularly in fractured crystalline rock, due to difficulty in accessing this environment. The purpose of this investigation was to develop methods to obtain physical, chemical, and microbial information about the subpermafrost environment from a surface-drilled borehole. Using a U-tube, gas and...
Particle-size dependence on metal(loid) distributions in mine wastes: Implications for water contamination and human exposure
C.S. Kim, K.M. Wilson, J. J. Rytuba
2011, Applied Geochemistry (26) 484-495
The mining and processing of metal-bearing ores has resulted in contamination issues where waste materials from abandoned mines remain in piles of untreated and unconsolidated material, posing the potential for waterborne and airborne transport of toxic elements. This study presents a systematic method of particle size separation, mass distribution, and...
Water and heat transport in boreal soils: Implications for soil response to climate change
Z. Fan, J. C. Neff, J.W. Harden, T. Zhang, H. Veldhuis, C.I. Czimczik, G.C. Winston, J. A. O'Donnell
2011, Science of the Total Environment (409) 1836-1842
Soil water content strongly affects permafrost dynamics by changing the soil thermal properties. However, the movement of liquid water, which plays an important role in the heat transport of temperate soils, has been under-represented in boreal studies. Two different heat transport models with and without convective heat transport were compared...
Comparison of bottom-track to global positioning system referenced discharges measured using an acoustic Doppler current profiler
Chad R. Wagner, David S. Mueller
2011, Journal of Hydrology (401) 250-258
A negative bias in discharge measurements made with an acoustic Doppler current profiler (ADCP) can be caused by the movement of sediment on or near the streambed. The integration of a global positioning system (GPS) to track the movement of the ADCP can be used to avoid the systematic negative...
Genetic diversity and demographic instability in Riftia pachyptila tubeworms from eastern Pacific hydrothermal vents
Dolly Coykendall, S.B. Johnson, S.A. Karl, R.A. Lutz, R.C. Vrijenhoek
2011, BMC Evolutionary Biology (11)
Deep-sea hydrothermal vent animals occupy patchy and ephemeral habitats supported by chemosynthetic primary production. Volcanic and tectonic activities controlling the turnover of these habitats contribute to demographic instability that erodes genetic variation within and among colonies of these animals. We examined DNA sequences from one mitochondrial and three nuclear gene...
A predator-prey model with a holling type I functional response including a predator mutual interference
G. Seo, D.L. DeAngelis
2011, Journal of Nonlinear Science (21) 811-833
The most widely used functional response in describing predator-prey relationships is the Holling type II functional response, where per capita predation is a smooth, increasing, and saturating function of prey density. Beddington and DeAngelis modified the Holling type II response to include interference of predators that increases with predator density....
Modeling hydrologic and geomorphic hazards across post-fire landscapes using a self-organizing map approach
Michael J. Friedel
2011, Environmental Modelling and Software (26) 1660-1674
Few studies attempt to model the range of possible post-fire hydrologic and geomorphic hazards because of the sparseness of data and the coupled, nonlinear, spatial, and temporal relationships among landscape variables. In this study, a type of unsupervised artificial neural network, called a self-organized map (SOM), is trained using data...
Advancing environmental toxicology through chemical dosimetry: External exposures versus tissue residues
L.S. McCarty, P.F. Landrum, S. N. Luoma, J.P. Meador, A.A. Merten, B.K. Shephard, A.P. van Wezelzz
2011, Integrated Environmental Assessment and Management (7) 7-27
The tissue residue dose concept has been used, although in a limited manner, in environmental toxicology for more than 100 y. This review outlines the history of this approach and the technical background for organic chemicals and metals. Although the toxicity of both can be explained in tissue residue terms,...
Notes on the origin of inertinite macerals in coals: Funginite associations with cutinite and suberinite
J.C. Hower, J.M.K. O’Keefe, C.F. Eble, T.J. Volk, A.R. Richardson, Anne B. Satterwhite, R.S. Hatch, I.J. Kostova
2011, International Journal of Coal Geology (85) 186-190
The association of fungus with plant leaves and roots is ubiquitous. While many of these occurrences are considered to be pathogenic, mycorrhizzal fungal associations with roots are essential for plant growth. Despite the common knowledge of such relationships in plant science, with a few exceptions, the fungus/leaf/root/stem association as the...
From intuition to statistics in building subsurface structural models
J.P. Brandenburg, F.O. Alpak, S. Naruk, J. Solum
2011, World Oil (232) 97-101
Experts associated with the oil and gas exploration industry suggest that combining forward trishear models with stochastic global optimization algorithms allows a quantitative assessment of the uncertainty associated with a given structural model. The methodology is applied to incompletely imaged structures related to deepwater hydrocarbon reservoirs and results are compared...
The elusive character of discontinuous deep-water channels: New insights from Lucia Chica channel system, offshore California
K.L. Maier, A. Fildani, C. K. Paull, S.A. Graham, T.R. McHargue, D.W. Caress, Mary McGann
2011, Geology (39) 327-330
New high-resolution autonomous underwater vehicle (AUV) seafloor images, with 1 m lateral resolution and 0.3 m vertical resolution, reveal unexpected seafloor rugosity and low-relief (<10 m), discontinuous conduits over ∼70 km2. Continuous channel thalwegs were interpreted originally from lower-resolution images, but newly acquired AUV data indicate that a single sinuous...
Recent faulting in western Nevada revealed by multi-scale seismic reflection
R.N. Frary, J.N. Louie, W. J. Stephenson, J. K. Odum, A. Kell, A. Eisses, G.M. Kent, N. W. Driscoll, R. Karlin, R. L. Baskin, S. Pullammanappallil, L.M. Liberty
2011, SEG Technical Program Expanded Abstracts (30) 1373-1377
The main goal of this study is to compare different reflection methods used to image subsurface structure within different physical environments in western Nevada. With all the methods employed, the primary goal is fault imaging for structural information toward geothermal exploration and seismic hazard estimation. We use seismic CHIRP a...
Enhanced transpiration by riparian buffer trees in response to advection in a humid temperate agricultural landscape
V. Hernandez-Santana, H. Asbjornsen, T. Sauer, T. Isenhart, K. Schilling, Ronald Schultz
2011, Forest Ecology and Management (261) 1415-1427
Riparian buffers are designed as management practices to increase infiltration and reduce surface runoff and transport of sediment and nonpoint source pollutants from crop fields to adjacent streams. Achieving these ecosystem service goals depends, in part, on their ability to remove water from the soil via transpiration. In these systems,...
Evaluating the effect of predators on white-tailed deer: Movement and diet of coyotes
M.M. Turner, A.P. Rockhill, C.S. Deperno, J.A. Jenks, R. W. Klaver, A.R. Jarding, T.W. Grovenburg, K. H. Pollock
2011, Journal of Wildlife Management (75) 905-912
Coyotes (Canis latrans) may affect adult and neonate white-tailed deer (Odocoileus virginianus) survival and have been implicated as a contributor to the decline of deer populations. Additionally, coyote diet composition is influenced by prey availability, season, and region. Because coyote movement and diet vary by region, local data are important...
Multimodel inference and adaptive management
S.E. Rehme, L.A. Powell, Craig R. Allen
2011, Journal of Environmental Management (92) 1360-1364
Ecology is an inherently complex science coping with correlated variables, nonlinear interactions and multiple scales of pattern and process, making it difficult for experiments to result in clear, strong inference. Natural resource managers, policy makers, and stakeholders rely on science to provide timely and accurate management recommendations. However, the time...
The effect of structural complexity, prey density, and "predator-free space" on prey survivorship at created oyster reef mesocosms
Austin T. Humphries, Megan La Peyre, Gary A. Decossas
2011, PLoS ONE (6)
Interactions between predators and their prey are influenced by the habitat they occupy. Using created oyster (Crassostrea virginica) reef mesocosms, we conducted a series of laboratory experiments that created structure and manipulated complexity as well as prey density and “predator-free space” to examine the relationship between structural complexity and prey...
Wave constraints for Titan's Jingpo Lacus and Kraken Mare from VIMS specular reflection lightcurves
J. W. Barnes, J.M. Soderblom, R. H. Brown, L.A. Soderblom, K. Stephan, R. Jaumann, Stéphane Le Mouélic, S. Rodriguez, Christophe Sotin, B. J. Buratti, K. H. Baines, R. N. Clark, P. D. Nicholson
2011, Icarus (211) 722-731
Stephan et al. (Stephan, K. et al. [2010]. Geophys. Res. Lett. 37, 7104-+.) first saw the glint of sunlight specularly reflected off of Titan's lakes. We develop a quantitative model for analyzing the photometric lightcurve generated during a flyby in which the specularly reflected light flux depends on the fraction...
Pseudospectral modeling and dispersion analysis of Rayleigh waves in viscoelastic media
K. Zhang, Y. Luo, J. Xia, C. Chen
2011, Soil Dynamics and Earthquake Engineering (31) 1332-1337
Multichannel Analysis of Surface Waves (MASW) is one of the most widely used techniques in environmental and engineering geophysics to determine shear-wave velocities and dynamic properties, which is based on the elastic layered system theory. Wave propagation in the Earth, however, has been recognized as viscoelastic and the propagation of...
Adaptive management of natural resources-framework and issues
Byron K. Williams
2011, Journal of Environmental Management (92) 1346-1353
Adaptive management, an approach for simultaneously managing and learning about natural resources, has been around for several decades. Interest in adaptive decision making has grown steadily over that time, and by now many in natural resources conservation claim that...
Survey of stranded gas and delivered costs to Europe of selected gas resources
Emil D. Attanasi, Philip A. Freeman
2011, Conference Paper
Two important trends affecting the expected growth of global gas markets are (1) the shift by many industrialized countries from coal-fired electricity generation to the use of natural gas to generate electricity and (2) the industrialization of the heavily populated Asian countries of India and China. This paper surveys discovered...
