Expansion of urban area and wastewater irrigated rice area in Hyderabad, India
K.M. Gumma, Rooijen D. van, A. Nelson, P.S. Thenkabail, Radha V. Aakuraju, P. Amerasinghe
2011, Irrigation and Drainage Systems (25) 135-149
The goal of this study was to investigate land use changes in urban and peri-urban Hyderabad and their influence on wastewater irrigated rice using Landsat ETM + data and spectral matching techniques. The main source of irrigation water is the Musi River, which collects a large volume of wastewater and...
NETPATH-WIN: an interactive user version of the mass-balance model, NETPATH
A. I. El-Kadi, Niel Plummer, P. Aggarwal
2011, Ground Water (49) 593-599
NETPATH-WIN is an interactive user version of NETPATH, an inverse geochemical modeling code used to find mass-balance reaction models that are consistent with the observed chemical and isotopic composition of waters from aquatic systems. NETPATH-WIN was constructed to migrate NETPATH applications into the Microsoft WINDOWS® environment. The new version facilitates...
The influence of fine-scale habitat features on regional variation in population performance of alpine White-tailed Ptarmigan
B. Fedy, K. Martin
2011, Condor (113) 306-315
It is often assumed (explicitly or implicitly) that animals select habitat features to maximize fitness. However, there is often a mismatch between preferred habitats and indices of individual and population measures of performance. We examined the influence of fine-scale habitat selection on the overall population performance of the White-tailed Ptarmigan...
Shared bacterial and viral respiratory agents in bighorn sheep (Ovis canadensis), domestic sheep (Ovis aries), and goats (Capra hircus) in Montana
David S. Miller, Glen C. Weiser, Keith Aune, Brent Roeder, Mark Atkinson, Neil Anderson, Thomas J. Roffe, Kim A. Keating, Phillip L. Chapman, Cleon Kimberling, Jack C. Rhyan, P. Ryan Clarke
2011, Veterinary Medicine International (2011)
Transmission of infectious agents from livestock reservoirs has been hypothesized to cause respiratory disease outbreaks in bighorn sheep (Ovis canadensis), and land management policies intended to limit this transmission have proven controversial. This cross-sectional study compares the infectious agents present in multiple populations of bighorn sheep near to and distant...
Evaluation of sewage source and fate on southeast Florida coastal reefs
Futch J. Carrie, Dale W. Griffin, K. Banks, E.K. Lipp
2011, Marine Pollution Bulletin (62) 2308-2316
Water, sponge and coral samples were collected from stations impacted by a variety of pollution sources and screened for human enteric viruses as conservative markers for human sewage. While human enteroviruses and adenoviruses were not detected, noroviruses (NoV; human genogroups I and II) were detected in 31% of samples (especially...
Simulating sterilization, vaccination, and test-and-remove as brucellosis control measures in bison
M. Ebinger, Paul C. Cross, Rick Wallen, P.J. White, John Treanor
2011, Ecological Applications (21) 2944-2959
Brucella abortus, the causative agent of bovine brucellosis, infects wildlife, cattle, and humans worldwide, but management of the disease is often hindered by the logistics of controlling its prevalence in wildlife reservoirs. We used an individually based epidemiological model to assess the relative efficacies of three management interventions (sterilization, vaccination,...
From agricultural intensification to conservation: Sediment transport in the Raccoon River, Iowa, 1916-2009
C.S. Jones, K. E. Schilling
2011, Journal of Environmental Quality (40) 1911-1923
Fluvial sediment is a ubiquitous pollutant that negatively aff ects surface water quality and municipal water supply treatment. As part of its routine water supply monitoring, the Des Moines Water Works (DMWW) has been measuring turbidity daily in the Raccoon River since 1916. For this study, we calibrated daily turbidity...
The Sculptured Hills of the Taurus Highlands: Implications for the relative age of Serenitatis, basin chronologies and the cratering history of the Moon
P. D. Spudis, D.E. Wilhelms, M.S. Robinson
2011, Journal of Geophysical Research E: Planets (116)
New images from the Lunar Reconnaissance Orbiter Camera show the distribution and geological relations of the Sculptured Hills, a geological unit widespread in the highlands between the Serenitatis and Crisium basins. The Sculptured Hills shows knobby, undulating, radially textured, and plains-like morphologies and in many places is indistinguishable from the...
Historical perspective on seismic hazard to Hispaniola and the northeast Caribbean region
Uri S. ten Brink, W. H. Bakun, C.H. Flores
2011, Journal of Geophysical Research B: Solid Earth (116)
We evaluate the long-term seismic activity of the North-American/Caribbean plate boundary from 500 years of historical earthquake damage reports. The 2010 Haiti earthquakes and other earthquakes were used to derive regional attenuation relationships between earthquake intensity, magnitude, and distance from the reported damage to the epicenter, for Hispaniola and for...
Hydrothermal hexahydrite spherules erupted during the 2008-2010 summit eruption of Kīlauea Volcano, Hawai`i'
Ken Hon, Tim R. Orr
2011, Bulletin of Volcanology (73) 1369-1375
Small (1-3 mm), hollow spherules of hexahydrite have been collected falling out of the magmatic gas plume downwind of Kīlauea’s summit vent. The spherules were observed on eight separate occasions during 2009-2010 when a lake of actively spattering lava was present ~150-200 m below the rim of the vent. The...
Geochemical heterogeneity in a small, stratigraphically complex moraine aquifer system (Ontario, Canada): Interpretation of flow and recharge using multiple geochemical parameters
R.L. Stotler, S.K. Frape, H.T. El Mugammar, C. Johnston, I. Judd-Henrey, F.E. Harvey, R. Drimmie, J.P. Jones
2011, Hydrogeology Journal (19) 101-115
The Waterloo Moraine is a stratigraphically complex system and is the major water supply to the cities of Kitchener and Waterloo in Ontario, Canada. Despite over 30 years of investigation, no attempt has been made to unify existing geochemical data into a single database. A composite view of the moraine geochemistry...
Scattered P'P' waves observed at short distances
Paul S. Earle, Sebastian Rost, Peter M. Shearer, Christine Thomas
2011, Bulletin of the Seismological Society of America (101) 2843-2854
We detect previously unreported 1 Hz scattered waves at epicentral distances between 30° and 50° and at times between 2300 and 2450 s after the earthquake origin. These waves likely result from off-azimuth scattering of PKPbc to PKPbc in the upper mantle and crust and provide a new tool for...
Nest success of snowy plovers (Charadrius nivosus) in the Southern high plains of Texas
S.T. Saalfeld, Warren C. Conway, D.A. Haukos, W.P. Johnson
2011, Waterbirds (34) 389-399
Snowy Plovers (Charadrius nivosus) nesting on edges of saline lakes within the Southern High Plains (SHP) of Texas are threatened by habitat degradation due to reduced artesian spring flow, making many saline lakes unsuitable for nesting and migrating shorebirds. Factors influencing nest success were evaluated, current nest success estimates in...
Beach monitoring criteria: reading the fine print
Meredith B. Nevers, Richard L. Whitman
2011, Environmental Science & Technology (45) 10315-10321
Beach monitoring programs aim to decrease swimming-related illnesses resulting from exposure to harmful microbes in recreational waters, while providing maximum beach access. Managers are advised by the U.S. EPA to estimate microbiological water quality based on a 5-day geometric mean of fecal indicator bacteria (FIB) concentrations or on a jurisdiction-specific...
Residence time and movements of postbreeding shorebirds on the northern coast of Alaska
Audrey R. Taylor, Richard B. Lanctot, Abby N. Powell, Steven J. Kendall, Debora A. Nigro
2011, The Condor (113) 779-794
Relatively little is known about shorebird movements across the coast of northern Alaska, yet postbreeding shorebirds use this coastline extensively prior to fall migration. We deployed 346 radio transmitters on 153 breeding and 193 postbreeding shorebirds of five species from 2005 to 2007.We examined two hypotheses regarding postbreeding shorebirds' movements:...
Simulating the potential effects of climate change in two Colorado basins and at two Colorado ski areas
William Battaglin, Lauren E. Hay, Steve Markstrom
2011, Earth Interactions (15) 1-23
The mountainous areas of Colorado are used for tourism and recreation, and they provide water storage and supply for municipalities, industries, and agriculture. Recent studies suggest that water supply and tourist industries such as skiing are at risk from climate change. In this study, a distributed-parameter watershed model, the Precipitation-Runoff...
Sarcocystis neurona retinochoroiditis in a sea otter (Enhydra lutris kenyoni)
J. P. Dubey, N. J. Thomas
2011, Veterinary Parasitology (183) 156-159
Sarcocystis neurona is an important cause of fatal disease in sea otters in the USA. Encephalitis is the predominant lesion and parasites are confined to the central nervous system and muscles. Here we report retinochoroiditis in a sea otter (Enhydra lutris kenyoni) found dead on Copalis Beach, WA, USA. Salient...
Effects of planting method and seed mix richness on the early stages of tallgrass prairie restoration
D.L. Larson, J.B. Bright, P. Drobney, J.L. Larson, N. Palaia, P.A. Rabie, S. Vacek, D. Wells
2011, Biological Conservation (144) 3127-3139
Tallgrass prairie restoration has been practiced for more than 75. years, yet few studies have systematically tested restoration methods over large geographic regions with the intent of refining methodology. In this study, we used three planting methods (dormant-season broadcast, growing-season broadcast and growing-season drill) fully crossed with three levels of...
Vegetation trends following the 2005 Southern Nevada Complex Fire: Chapter 6
Robert C. Klinger, Matthew L. Brooks, Neil Frakes, John R. Matchett, Randy McKinley
2011, Report, Southern Nevada Complex emergency stabilization and rehabilitation final report
No abstract available....
The contribution of competition to tree mortality in old-growth coniferous forests
A. Das, J. Battles, N.L. Stephenson, Phillip J. van Mantgem
2011, Forest Ecology and Management (261) 1203-1213
Competition is a well-documented contributor to tree mortality in temperate forests, with numerous studies documenting a relationship between tree death and the competitive environment. Models frequently rely on competition as the only non-random mechanism affecting tree mortality. However, for mature forests, competition may cease to be the primary driver...
Parallelization of GeoClaw code for modeling geophysical flows with adaptive mesh refinement on many-core systems
S. Zhang, D.A. Yuen, A. Zhu, S. Song, David L. George
2011, Conference Paper, 14th IEEE Int. Conf. on Computational Science and Engineering, CSE 2011 and 11th Int. Symp. on Pervasive Systems, Algorithms, and Networks, I-SPA 2011 and 10th IEEE Int. Conf. on IUCC 2011
We parallelized the GeoClaw code on one-level grid using OpenMP in March, 2011 to meet the urgent need of simulating tsunami waves at near-shore from Tohoku 2011 and achieved over 75% of the potential speed-up on an eight core Dell Precision T7500 workstation [1]. After submitting that work to SC11...
Chapter 6: Detectability adjusted count models of songbird abundance
Cameron L. Aldridge, Steve E. Hanser, Scott E. Nielsen, Matthias Leu, Brian S. Cade, D. Joanne Saher, Steven T. Knick
2011, Book chapter, Sagebrush ecosystem conservation and management: Ecoregional assessment tools and models for the Wyoming Basins
Sagebrush (Artemisia spp.) steppe ecosystems have experienced recent changes resulting not only in the loss of habitat but also fragmentation and degradation of remaining habitats. As a result, sagebrush-obligate and sagebrush associated songbird populations have experienced population declines over the past several decades. We examined landscape-scale responses in occupancy and...
A Digital Hydrologic Network Supporting NAWQA MRB SPARROW Modeling--MRB_E2RF1WS
J. W. Brakebill, S.E. Terziotti
2011, Report
A digital hydrologic network was developed to support SPAtially Referenced Regression on Watershed attributes (SPARROW) models within selected regions of the United States. These regions correspond with the U.S. Geological Survey's National Water Quality Assessment (NAWQA) Program Major River Basin (MRB) study units 2, 3, 4, 5, and 7 (Preston...
Chapter 5: Greater sage-grouse: General use and roost site occurrence with pellet counts as a measure of relative abundance
Steve E. Hanser, Cameron L. Aldridge, Matthias Leu, Mary M. Rowland, Scott E. Nielsen, Steven T. Knick
2011, Book chapter, Sagebrush ecosystem conservation and management: Ecoregional assessment tools and models for the Wyoming Basins
Greater sage-grouse (Centrocercus urophasianus) have been declining both spatially and numerically throughout their range because of anthropogenic disturbance and loss and fragmentation of sagebrush (Artemisia spp.) habitats. Understanding how sage-grouse respond to these habitat alterations and disturbances, particularly the types of disturbances and extent at which they respond, is critical...
Northwestern forested mountains: Chapter 8
W.D. Bowman, Jill Baron, L.H. Geiser, M.E. Fenn, E.A. Lilleskov
2011, General Technical Report NRS-80
Th e Northwestern Forested Mountains are ecologically diverse and geographically widespread, encompassing the mountain ecosystems of central and northwestern North America (CEC 1997; Figure 2.2). Th e ecoregion description is adapted from CEC (1997). Geographically, they extend from the Rocky Mountains and the Sierra Nevada north through the Siskiyous, the...
