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Articles 301 - 325 of 325
Full-Text Articles in Physical Sciences and Mathematics
On The Brink Of Change: Plant Responses To Climate On The Colorado Plateau, Seth M. Munson, Jayne Belnap, M. Schelz, Mary Moran, T. W. Caolin
On The Brink Of Change: Plant Responses To Climate On The Colorado Plateau, Seth M. Munson, Jayne Belnap, M. Schelz, Mary Moran, T. W. Caolin
Canyonlands Research Bibliography
The intensification of aridity due to anthropogenic climate change in the southwestern U.S. is likely to have a large impact on the growth and survival of plant species that may already be vulnerable to water stress. To make accurate predictions of plant responses to climate change, it is essential to determine the long-term dynamics of plant species associated with past climate conditions. Here we show how the plant species and functional types across a wide range of environmental conditions in Colorado Plateau national parks have changed with climate variability over the last twenty years. During this time, regional mean annual …
Temperature Increase Effects On Sagebrush Ecosystem Forbs: Exprimental Evidence And Range Manager Perspectives, Hilary Louise Whitcomb
Temperature Increase Effects On Sagebrush Ecosystem Forbs: Exprimental Evidence And Range Manager Perspectives, Hilary Louise Whitcomb
Green Canyon Environmental Research Area, Logan Utah
No abstract provided.
Targeting Residential Energy Reduction For City Utilities Using Historical Electrical Utility Data And Readily Available Building Data, Kevin P. Hallinan, J. Kelly Kissock, Robert J. Brecha, Austin Mitchell
Targeting Residential Energy Reduction For City Utilities Using Historical Electrical Utility Data And Readily Available Building Data, Kevin P. Hallinan, J. Kelly Kissock, Robert J. Brecha, Austin Mitchell
Physics Faculty Publications
Energy use data for the eight-year period 2003–2010 was analyzed for over 1200 single family residences in Village of Yellow Springs, Ohio. Electricity, natural gas, residential building, and weather databases are merged to permit determination of the energy intensity of each home in the village. The energy use intensity for each home is disaggregated into weather independent and weather dependent electric and natural gas use. This use is compared to typical baseline, cooling, and heating energy use for the region. From this comparison, priority homes are identified for energy reduction investment. Collective potential low cost energy reduction is estimated for …
Regional And Climatic Controls On Seasonal Dust Deposition In The Southwestern Us, Marith Reheis, Frank Urban
Regional And Climatic Controls On Seasonal Dust Deposition In The Southwestern Us, Marith Reheis, Frank Urban
Canyonlands Research Bibliography
Vertical dust deposition rates (dust flux) are a complex response to the interaction of seasonal precipitation, wind, changes in plant cover and land use, dust source type, and local vs. distant dust emission in the southwestern U.S. Seasonal dust flux in the Mojave-southern Great Basin (MSGB) deserts, measured from 1999 to 2008, is similar in summer-fall and winter-spring, and antecedent precipitation tends to suppress dust flux in winter-spring. In contrast, dust flux in the eastern Colorado Plateau (ECP) region is much larger in summer-fall than in winter-spring, and twice as large as in the MSGB. ECP dust is related to …
The Carbon Footprint Associated With Water Management Policy Options In The Las Vegas Valley, Nevada, Eleeja Shrestha, Sajjad Ahmad, Walter Johnson, Jacimaria R. Batista
The Carbon Footprint Associated With Water Management Policy Options In The Las Vegas Valley, Nevada, Eleeja Shrestha, Sajjad Ahmad, Walter Johnson, Jacimaria R. Batista
Civil and Environmental Engineering and Construction Faculty Research
A system dynamics model was developed to estimate the carbon dioxide (CO2) emissions associated with conveyance of water from the water source to the distribution laterals of the Las Vegas Valley. In addition, the impact of several water management policies, including water conservation, reuse, and population growth rate change was evaluated. The results show that, at present, nearly 0.53 million metric tons of CO2 emissions per year are released due to energy use for water conveyance in distribution laterals of the Valley from Lake Mead, located 32.2 km (20 miles) southeast of the Las Vegas at an …
Wind Energy Potential For Reverse Osmosis Desalination Plants In La Guajira, Colombia, Carlos Martinez-Smit
Wind Energy Potential For Reverse Osmosis Desalination Plants In La Guajira, Colombia, Carlos Martinez-Smit
Faculty-Selected Student Works
Project report required by the Master of Science Degree in Renewable and Clean Energy.
Abstract:
The region of La Guajira, located in the north of Colombia, has a lot of potential for wind power with annual average wind speeds up to 11 m/s at 10 m height in some locations, according to the national wind map. Most of the wind potential is located in Upper Guajira, where 90% of the population is indigenous Wayuu people (among the country’s poorest population) and it is also characterized with low precipitation, 500 mm/yr, high evapotranspiration, 1500 mm/yr, and low humidity. All this creates …
A Multi-Model Approach To Stakeholder Engagement In Complex Environmental Problems, Elizabeth A. Fulton, T. Jones, Fabio Boschetti, M. Sporcic, William De La Mare, Geoffrey J. Syme, Peta Dzidic, R. Gorton, L. R. Little, G. Dambacher, Kelly Chapman
A Multi-Model Approach To Stakeholder Engagement In Complex Environmental Problems, Elizabeth A. Fulton, T. Jones, Fabio Boschetti, M. Sporcic, William De La Mare, Geoffrey J. Syme, Peta Dzidic, R. Gorton, L. R. Little, G. Dambacher, Kelly Chapman
Research outputs 2011
We describe the different types of models we used as part of an effort to inform policy-making aiming at the management of the Ningaloo coast in the Gascoyne region, Western Australia. This provides an overview of how these models interact, the different roles they cover, how they fit into a full decision making process and what we learnt about the stakeholders involved in our project via their use. When modelling is explicitly used to address socio-ecological issues, the key determinant of success is whether the models, their results and recommendations are taken up by stakeholders; such uptake in turn depends …
Climate Responsive Design And The Milam Residence, Simi T. Hoque, Carl Fiocchi, Mohammad Shahadat
Climate Responsive Design And The Milam Residence, Simi T. Hoque, Carl Fiocchi, Mohammad Shahadat
Environmental Conservation Faculty Publication Series
Energy conservation and efficiency is an essential area of focus in contemporary building design. The perception that the designers of buildings during the Modernist period of architecture ignored these principles is a false one. The present study, an examination of Paul Rudolph’s Milam Residence, a masterpiece of American residential architecture, is part of a larger project endeavoring to create a knowledge base of the environmental performance of iconic modernist homes. A critical examination of the Milam House allows insight into specific design characteristics that impact energy efficiency and conservation. Located in Ponte Vedra Beach, Florida, the Milam Residence was constructed …
Regulated Commercial Harvest To Manage Overabundant White-Tailed Deer: An Idea To Consider?, Kurt C. Vercauteren, Charles W. Anderson, Timothy R. Van Deelen, David Drake, W. David Walter, Stephen Vantassel, Scott E. Hygnstrom
Regulated Commercial Harvest To Manage Overabundant White-Tailed Deer: An Idea To Consider?, Kurt C. Vercauteren, Charles W. Anderson, Timothy R. Van Deelen, David Drake, W. David Walter, Stephen Vantassel, Scott E. Hygnstrom
USDA Wildlife Services: Staff Publications
Declines in hunter recruitment coupled with dramatic growth in numbers of white-tailed deer (Odocoileus virginianus) have challenged our ability to manage deer populations through regulated hunting. We review the efficacy of current regulated hunting methods and explain how they are unable to reduce deer numbers sufficiently in some environments. Regulated commercial harvest would provide an additional tool to help state wildlife agencies manage overabundant populations of white-tailed deer. We outline potential means to govern regulated commercial deer harvest and explain how it is compatible with the North American Model of Wildlife Conservation. We identified several benefits, including reduced …
Using Expert Knowledge To Satisfy Data Needs:Mapping Invasive Plant Distributions In The Western United States, Bethany A. Bradley, David C. Marvin
Using Expert Knowledge To Satisfy Data Needs:Mapping Invasive Plant Distributions In The Western United States, Bethany A. Bradley, David C. Marvin
Environmental Conservation Faculty Publication Series
Lack of knowledge about the distributions of plant and animal species can severely hamper management efforts. For invasive plants, distribution and abundance data can inform early detection and rapid response (EDRR) programs aimed at treating initial infestations. These data can be used to create invasion risk models at landscape and regional scales. Further, regional maps of invasive plant abundance are useful for communicating the scope of the invasive species problem to the public and policymakers. Here, we present a set of regional distribution maps for 10 problematic invasive plants in the western United States, created from the expert knowledge of …
2011 Nebraska Water Monitoring Programs Report, Marty Link
2011 Nebraska Water Monitoring Programs Report, Marty Link
Nebraska Department of Environmental Quality: Reports
The Nebraska Department of Environmental Quality (NDEQ) is charged with monitoring, assessing, and to the extent possible, managing the state’s water resources. The purpose of this work is to protect and maintain good quality water and encourage or execute activities to improve poor water quality. Monitoring is done on the over 18,000 miles of flowing rivers and streams, our greater than 280,000 acres of surface water in lakes and reservoirs, and the vast storage of groundwater in Nebraska’s aquifers.
Consolidated Dispatch Center Feasibility Study: Ohio Case Studies, Daila Shimek, Scott Winograd, Kimberly Renee Vining
Consolidated Dispatch Center Feasibility Study: Ohio Case Studies, Daila Shimek, Scott Winograd, Kimberly Renee Vining
All Maxine Goodman Levin School of Urban Affairs Publications
This report describes the outcome of case study research of consolidated dispatch centers in the state of Ohio. Each case study includes descriptions of the governing and operating structure, consolidation process, funding and fee structure, and the successes, challenges, and lessons learned by each entity. The results suggest that while the experiences among consolidated dispatch centers varied, the elements that should contribute to a successful transition are building strong relationships, involving a center director and other stakeholders (including affected employees) in the planning process, having a willingness to compromise, providing training for dispatchers developing of standard operating procedures, and establishing …
Consolidated Public Safety Dispatch Centers: Us Case Studies, Daila Shimek, Scott Winograd, Kimberly Renee Vining
Consolidated Public Safety Dispatch Centers: Us Case Studies, Daila Shimek, Scott Winograd, Kimberly Renee Vining
All Maxine Goodman Levin School of Urban Affairs Publications
This report includes case studies of consolidated dispatch centers in the United States. Each case study includes descriptions of the governing and operating structure, consolidation process, funding and fee structure, and the successes, challenges and lessons learned by each entity. The results suggest that, although the experiences among consolidated dispatch centers varied, the elements that should contribute to a successful transition are strong leadership, communication with affected employees, ability to compromise, consistency in treatment of employees, development of standard operating procedures, stakeholder inclusion, and beginning consolidation with a clear plan that treats all participants as equal partners.
Feasibility Study Of Consolidating Public Safety Dispatch For The City Of Wooster, City Of Ashland, And Wayne County, Ohio, Daila Shimek, Eugene Kramer, Patrick Johnson, Scott Winograd, Kimberly Renee Vining, Thomas Cozzens, Kevin E. O'Brien
Feasibility Study Of Consolidating Public Safety Dispatch For The City Of Wooster, City Of Ashland, And Wayne County, Ohio, Daila Shimek, Eugene Kramer, Patrick Johnson, Scott Winograd, Kimberly Renee Vining, Thomas Cozzens, Kevin E. O'Brien
All Maxine Goodman Levin School of Urban Affairs Publications
No abstract provided.
Implications Of Community Concordance For Assessing Stream Integrity At Three Nested Spatial Scales In Minnesota, U.S.A., Christine L. Dolph, David D. Huff, Christopher J. Chizinski, Bruce Vondracek
Implications Of Community Concordance For Assessing Stream Integrity At Three Nested Spatial Scales In Minnesota, U.S.A., Christine L. Dolph, David D. Huff, Christopher J. Chizinski, Bruce Vondracek
Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications
1. Fish and invertebrate assemblage data collected from 670 stream sites in Minnesota (U.S.A.) were used to calculate concordance across three nested spatial scales (statewide, ecoregion and catchment). Predictive taxa richness models, calibrated using the same data, were used to evaluate whether concordant communities exhibited similar trends in human-induced taxa loss across all three scales. Finally, we evaluated the strength of the relationship between selected environmental variables and the composition of both assemblages at all three spatial scales.
2. Significant concordance between fish and invertebrate communities occurred at the statewide scale as well as in six of seven ecoregions and …
Sensitivity Of Planetary Boundary Layer Atmosphere To Historical And Future Changes Of Land Use/Land Cover, Vegetation Fraction, And Soil Moisture In Western Kentucky, Usa, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Estimates Of Duck Breeding Populations In The Nebraska Sandhills Using Double Observer Methodology, Mark P. Vrtiska, Larkin A. Powell
Estimates Of Duck Breeding Populations In The Nebraska Sandhills Using Double Observer Methodology, Mark P. Vrtiska, Larkin A. Powell
School of Natural Resources: Faculty Publications
The Nebraska Sandhills are an important area for breeding ducks in the Great Plains, but reliable estimates of breeding populations are unavailable. Double-observer methodology was used to estimate abundance of breeding duck populations in the Nebraska Sandhills. Aerial transect surveys were conducted using methodology similar to the cooperative Waterfowl Breeding Population and Habitat Survey conducted by the U.S. Fish and Wildlife Service and Canadian Wildlife Service. Observations by two front-seat observers and one rear-seat observer were used to account for incomplete detectability. Transect-specific population size and detection probabilities were estimated using program SURVIV; estimates were species-specific by type of social …
The Sociology Of Landowner Interest In Restoring Fire-Adapted, Biodiverse Habitats In The Wildland-Urban Interface Of Oregon's Willamette Valley Ecoregion, Max Nielsen-Pincus
The Sociology Of Landowner Interest In Restoring Fire-Adapted, Biodiverse Habitats In The Wildland-Urban Interface Of Oregon's Willamette Valley Ecoregion, Max Nielsen-Pincus
Environmental Science and Management Faculty Publications and Presentations
In many parts of the world, the combined effects of wildfire, climate change, and population growth in the wildland-urban interface pose increasing risks to both people and biodiversity. These risks are exemplified in western Oregon’s Willamette Valley Ecoregion, where population is projected to double by 2050 and climate change is expected to increase wildfire risk. Restoring elements of the region’s historic fire-adapted prairie, savanna, and woodland habitats may help to reduce future wildfire risk and help conserve the region’s threatened biodiversity. We report on a mail survey (n = 939) examining the socio-demographic factors influencing private landowners’ likelihood of restoring …
The Myth Of Endless Accumulation: A Feminist Inquiry Into Globalization, Growth, And Social Change, Martha Freymann Miser
The Myth Of Endless Accumulation: A Feminist Inquiry Into Globalization, Growth, And Social Change, Martha Freymann Miser
Antioch University Dissertations & Theses
This theoretical dissertation examines the concept of growth and its core assumption—that the continual accumulation of wealth is both socially wise and ecologically sustainable. The study challenges and offers alternatives to the myth of endless accumulation, suggesting new directions for leadership and social change. The central question posed in this inquiry: Can we craft a more ethical form of capitalism? To answer this question, the study examines conventional and critical globalization studies; feminist scholarship on standpoint, political economy, and power; and the Enlightenment notions of progress and modernism, drawing on a number of works, including Aristotle on the three intelligences, …
Impacts Of Irrigation On Dry Season Precipitation In India, Rezaul Mahmood
Impacts Of Irrigation On Dry Season Precipitation In India, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Soil Moisture: A Central And Unifying Theme In Physical Geography, Rezaul Mahmood
Soil Moisture: A Central And Unifying Theme In Physical Geography, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Heat Flux Measurements And Modeling Of Malodorous Compounds Above An Anaerobic Swine Lagoon, Rezaul Mahmood
Heat Flux Measurements And Modeling Of Malodorous Compounds Above An Anaerobic Swine Lagoon, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Land Use/Land Cover Changes And Climate: Modeling Analysis And Observational Evidence, Roger A. Pielke Sr., Andy Pitman, Dev Niyogi, Rezaul Mahmood, Clive Mcalpine, Faisal Hossain, Kees Klein Goldewijk, Udaysankar S. Nair, Richard Betts, Souleymane Fall, Markus Reichstein, Pavel Kabat, Nathalie De Noblet
Land Use/Land Cover Changes And Climate: Modeling Analysis And Observational Evidence, Roger A. Pielke Sr., Andy Pitman, Dev Niyogi, Rezaul Mahmood, Clive Mcalpine, Faisal Hossain, Kees Klein Goldewijk, Udaysankar S. Nair, Richard Betts, Souleymane Fall, Markus Reichstein, Pavel Kabat, Nathalie De Noblet
School of Natural Resources: Faculty Publications
This article summarizes the changes in landscape structure because of human land management over the last several centuries, and using observed and modeled data, documents how these changes have altered biogeophysical and biogeochemical surface fluxes on the local, mesoscale, and regional scales. Remaining research issues are presented including whether these landscape changes alter large-scale atmospheric circulation patterns far from where the land use and land cover changes occur. We conclude that existing climate assessments have not yet adequately factored in this climate forcing. For those regions that have undergone intensive human landscape change, or would undergo intensive change in the …
The Role Of Nature In John Muir's Conception Of The Good Life, Randy R. Larsen
The Role Of Nature In John Muir's Conception Of The Good Life, Randy R. Larsen
Antioch University Dissertations & Theses
Aristotle says our best moral guidance comes from considering the lives of exemplary individuals. I explore John Muir, as an exemplar of environmental virtue, and consider the role of Nature in his conception of the good life. I argue his conception consists of a web of virtue including various goods, values, and virtues. I suggest three virtues are cardinal: attentiveness, gratitude and reverence. I explore how Muir cultivated these virtues in Nature.
I argue Muir sought freedom from a popular conception of the good life, grounded in the gilded age values of money and materialism, and was sensitive to the …
Dormant Ethnobotany: A Case Study Of Decline In Regional Plant Knowledge In The Bull Run Mountains Of Virginia, Susan Rene Leopold
Dormant Ethnobotany: A Case Study Of Decline In Regional Plant Knowledge In The Bull Run Mountains Of Virginia, Susan Rene Leopold
Antioch University Dissertations & Theses
This dissertation introduces and applies the concept of dormant ethnobotany, a concept that helps explain the socio-economic, cultural and ecological aspects and implications of the transition away from active use of ethnobotanical knowledge and the factors that may lead to its re-emergence. Dormant ethnobotany is the study of relationships between people and plants that are inactive, but nonetheless still alive in memories, the historic record, and folklore and thereby capable of reemergence in support of the transition to a more sustainable society. The dissertation extends the field of ethnobotany from its current roots in the dynamic ethnobotany of indigenous peoples. …