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Articles 871 - 889 of 889
Full-Text Articles in Physical Sciences and Mathematics
The Potential Of The Synergistic Use Of Passive And Active Remote Sensing Measurements For The Validation Of A Regional Dust Model, V. Amiridis, Menas Kafatos, M. Perez, S. Kazadzis, E. Gerasopoulos, R. E. Mamouri, A. Papayannis, P. Kokkalis, E. Giannakaki, S. Basart, I. Daglis, C S. Zerefos
The Potential Of The Synergistic Use Of Passive And Active Remote Sensing Measurements For The Validation Of A Regional Dust Model, V. Amiridis, Menas Kafatos, M. Perez, S. Kazadzis, E. Gerasopoulos, R. E. Mamouri, A. Papayannis, P. Kokkalis, E. Giannakaki, S. Basart, I. Daglis, C S. Zerefos
Mathematics, Physics, and Computer Science Faculty Articles and Research
A long-lasting Saharan dust event affected Europe on 18–23 May 2008. Dust was present in the free troposphere over Greece, in height ranges between the surface and approximately 4–5 km above sea level. The event was monitored by ground-based CIMEL sunphotometric and multi-wavelength combined backscatter/Raman lidar measurements over Athens, Greece. The dust event had the maximum of its intensity on 20 May. Three-dimensional dust spatial distribution over Greece on that day is presented through satellite synergy of passive and active remote sensing using MODIS and CALIPSO data, respectively. For the period under study, the ground-based measurements are used to characterize …
Melting Of Major Glaciers In The Western Himalayas: Evidence Of Climatic Changes From Long Term Msu Derived Tropospheric Temperature Trend (1979-2008), Anup K. Prasad, Keun-Hang Susan Yang, Hesham El-Askary, Menas Kafatos
Melting Of Major Glaciers In The Western Himalayas: Evidence Of Climatic Changes From Long Term Msu Derived Tropospheric Temperature Trend (1979-2008), Anup K. Prasad, Keun-Hang Susan Yang, Hesham El-Askary, Menas Kafatos
Mathematics, Physics, and Computer Science Faculty Articles and Research
Global warming or the increase of the surface and atmospheric temperatures of the Earth, is increasingly discernible in the polar, sub-polar and major land glacial areas. The Himalayan and Tibetan Plateau Glaciers, which are the largest glaciers outside of the Polar regions, are showing a large-scale decrease of snow cover and an extensive glacial retreat. These glaciers such as Siachen and Gangotri are a major water resource for Asia as they feed major rivers such as the Indus, Ganga and Brahmaputra. Due to scarcity of ground measuring stations, the long-term observations of atmospheric temperatures acquired from the Microwave Sounding Unit …
Summary Of Kentucky River Watershed Watch 2009 Water Sampling Results, Kentucky Water Resources Research Institute, Kentucky River Authority
Summary Of Kentucky River Watershed Watch 2009 Water Sampling Results, Kentucky Water Resources Research Institute, Kentucky River Authority
Kentucky River Watershed Watch
No abstract provided.
From The Natural To The Supernatural, Rosalyn Lapier
From The Natural To The Supernatural, Rosalyn Lapier
Environmental Studies Faculty Publications
The Blackfeet understanding of the natural world is based on their religious belief system, world view and relationship with the supernatural world.
An Inventory And Condition Survey Of The Lower Murchison River Area, Western Australia, P Hennig
An Inventory And Condition Survey Of The Lower Murchison River Area, Western Australia, P Hennig
Technical Bulletins
The inventory and condition survey of the lower Murchison River area, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 2002 and 2003, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. This survey report presents …
Impact Of Empire Expansion On Household Diet: The Inka In Northern Chile’S Atacama Desert, Sheila D. Vinton, Linda Perry, Karl J. Reinhard, Calogero M. Santoro, Isabel Teixeira-Santos
Impact Of Empire Expansion On Household Diet: The Inka In Northern Chile’S Atacama Desert, Sheila D. Vinton, Linda Perry, Karl J. Reinhard, Calogero M. Santoro, Isabel Teixeira-Santos
School of Natural Resources: Faculty Publications
The impact of expanding civilization on the health of American indigenous societies has long been studied. Most studies have focused on infections and malnutrition that occurred when less complex societies were incorporated into more complex civilizations. The details of dietary change, however, have rarely been explored. Using the analysis of starch residues recovered from coprolites, here we evaluate the dietary adaptations of indigenous farmers in northern Chile’s Atacama Desert during the time that the Inka Empire incorporated these communities into their economic system. This system has been described as ‘‘complementarity’’ because it involves interaction and trade in goods produced at …
The Problem With Particularized Injury: The Disjuncture Between Broad-Based Environmental Harm And Standing Jurisprudence, Hope M. Babcock
The Problem With Particularized Injury: The Disjuncture Between Broad-Based Environmental Harm And Standing Jurisprudence, Hope M. Babcock
Georgetown Law Faculty Publications and Other Works
Several recent events harmonically converged into the topic for this article. The first was a posting on Georgetown Law’s environmental law professors’ listserv by Professor John Bonine, which raised a number of questions about whether and how standing doctrine might be rethought in light of the Supreme Court’s opinion in Massachusetts v. EPA. That opinion relaxed the states’ standing burden because of the unique sovereign interests, finding that federalism bargaining earned states “special solicitude” when it came to meeting the Court’s standing requirements.
The second was a complaint filed by a consortium of regional environmental organizations, Chesapeake Bay Foundation, …
Probabilistic Movement Model With Emigration Simulates Movements Of Deer In Nebraska, 1990–2006, Charles J. Frost, Scott E. Hygnstrom, Andrew J. Tyre, Kent M. Eskridge, David M. Baasch, Justin R. Boner, Gregory M. Clements, Jason M. Gilsdorf, Travis C. Kinsell, Kurt C. Vercauteren
Probabilistic Movement Model With Emigration Simulates Movements Of Deer In Nebraska, 1990–2006, Charles J. Frost, Scott E. Hygnstrom, Andrew J. Tyre, Kent M. Eskridge, David M. Baasch, Justin R. Boner, Gregory M. Clements, Jason M. Gilsdorf, Travis C. Kinsell, Kurt C. Vercauteren
School of Natural Resources: Faculty Publications
Movements of deer can affect population dynamics, spatial redistribution, and transmission and spread of diseases. Our goal was to model the movement of deer in Nebraska in an attempt to predict the potential for spread of chronic wasting disease (CWD) into eastern Nebraska. We collared and radio-tracked >600 white-tailed deer (Odocoileus virginianus) and mule deer (Odocoileus hemionus) in Nebraska during 1990–2006.We observed large displacements (>10 km) for both species and sexes of deer, including migrations up to 100 km and dispersals up to 50 km. Average distance traveled between successive daily locations was 166m for …
Flame, Furnace, Fuel: Creating Kansas City In The Nineteenth Century, Twyla Dell
Flame, Furnace, Fuel: Creating Kansas City In The Nineteenth Century, Twyla Dell
Antioch University Full-Text Dissertations & Theses
Though this work is a fuel and energy history of Kansas City from 1820 to 1920, it also provides a tool to describe and analyze fuel and energy transitions. The four parts follow the rise and fall of wood, coal and oil as their use grows to a peak and, in the case of wood, declines. The founding and growth of Kansas City as an “instant city” that grew from zero population to over three hundred twenty thousand in a hundred years embodies the increased use of fuels and energy in an urban setting and serves as a case study. …
Seeing Shifts: Ecologists' Lived Experiences Of Climate Change In Mountains Of The American West, Kimberly Ford Langmaid
Seeing Shifts: Ecologists' Lived Experiences Of Climate Change In Mountains Of The American West, Kimberly Ford Langmaid
Antioch University Full-Text Dissertations & Theses
This study explores the lived experiences of field ecologists who research the effects of global climate change on mountain species and ecosystems in the American West. The purpose is to generate narrative descriptions of ecologists’ experiences in order to communicate about both the scientific ecology and human ecology of climate change. Twenty prominent field ecologists participated in this study. Interviews with ecologists were transcribed and analyzed using a hermeneutic phenomenological methodology. Eight experiential themes emerged through the process of data analysis, and these themes provide the structure for presenting narratives of ecologists’ experiences. The eight themes are: thinking ecologically, the …
Art, Water, And Circles: In What Ways Do Study Circles Empower Artists To Become Community Leaders Around Water Issues, Jill Beth Jacoby
Art, Water, And Circles: In What Ways Do Study Circles Empower Artists To Become Community Leaders Around Water Issues, Jill Beth Jacoby
Antioch University Full-Text Dissertations & Theses
This research explored the use of study circles as a means of engaging artists in dialogue with their peers about water related concerns. The question driving this research was, “In what ways do study circles empower artists to become community leaders around water issues?” Secondary questions focused on emerging environmental, water, and social justice themes as well as examples of increased water awareness and behavior change occurring as a result of individual participation in the study circles. Artists have a unique way of commanding attention and communicating about environmental concerns while functioning as catalysts for activism on a variety of …
Panarchy: Discontinuities Reveal Similarities In The Dynamic System Structure Of Ecological And Social Systems, Ahjond S. Garmestani, Craig R. Allen, Lance Gunderson
Panarchy: Discontinuities Reveal Similarities In The Dynamic System Structure Of Ecological And Social Systems, Ahjond S. Garmestani, Craig R. Allen, Lance Gunderson
School of Natural Resources: Faculty Publications
In this paper, we review the empirical evidence of discontinuous distributions in complex systems within the context of panarchy theory and discuss the significance of discontinuities for understanding emergent properties such as resilience. Over specific spatial-temporal scale ranges, complex systems can configure in a variety of regimes, each defined by a characteristic set of self-organized structures and processes. A system may remain within a regime or dramatically shift to another regime. Understanding the drivers of regime shifts has provided critical insight into system structure and resilience. Although analyses of regime shifts have tended to focus on the system level, new …
Scaling Up Of Co2 Fluxes From Leaf To Canopy In Maize-Based Agroecosystems, Timothy J. Arkebauer, Elizabeth A. Walter-Shea, Mark A. Mesarch, Andrew E. Suyker, Shashi Verma
Scaling Up Of Co2 Fluxes From Leaf To Canopy In Maize-Based Agroecosystems, Timothy J. Arkebauer, Elizabeth A. Walter-Shea, Mark A. Mesarch, Andrew E. Suyker, Shashi Verma
School of Natural Resources: Faculty Publications
Carbon dioxide fluxes are being measured in three maize-based agroecosystems in eastern Nebraska in an effort to better understand the potential for these systems to sequester carbon in the soil. Landscape-level fluxes of carbon, water and energy were measured using tower eddy covariance systems. In order to better understand the landscape-level results, measurements at smaller scales, using techniques promoted by John Norman, were made and scaled up to the landscape-level. Single leaf gas exchange properties (CO2 assimilation rate and stomatal conductance) and optical properties, direct and diffuse radiation incident on the canopy, and photosynthetically active radiation (PAR) reflected and …
Simulation Of Boundary Layer Trajectory Dispersion Sensitivity To Soil Moisture Conditions: Mm5 And Noah-Based Investigation, Rezaul Mahmood
Simulation Of Boundary Layer Trajectory Dispersion Sensitivity To Soil Moisture Conditions: Mm5 And Noah-Based Investigation, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Near Surface Atmospheric Response To Simulated Changes In Land-Cover, Vegetation Fraction, And Soil Moisture Over Western Kentucky, Rezaul Mahmood
Near Surface Atmospheric Response To Simulated Changes In Land-Cover, Vegetation Fraction, And Soil Moisture Over Western Kentucky, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
The Environment And Climate Change: Is International Migration Part Of The Problem Or Part Of The Solution?, Howard F. Chang
The Environment And Climate Change: Is International Migration Part Of The Problem Or Part Of The Solution?, Howard F. Chang
All Faculty Scholarship
No abstract provided.
The Effects Of Climate Change On Biodiversity: Pressing Issues And Research Priorities, Friedhelm Krupp, Lytton J. Musselman, Mohammed M.A. Kotb, Ilka Weidig
The Effects Of Climate Change On Biodiversity: Pressing Issues And Research Priorities, Friedhelm Krupp, Lytton J. Musselman, Mohammed M.A. Kotb, Ilka Weidig
Biological Sciences Faculty Publications
No abstract provided.
A System For Estimating Bowen Ratio And Evaporation From Waste Lagoons, Rezaul Mahmood
A System For Estimating Bowen Ratio And Evaporation From Waste Lagoons, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Integrated Water Resources Management And Modeling At Multiple Spatial Scales In Jordan, David E. Rosenberg
Integrated Water Resources Management And Modeling At Multiple Spatial Scales In Jordan, David E. Rosenberg
Civil and Environmental Engineering Faculty Publications
Water shortages from intermittent public supplies are a major and expanding problem in the Hashemite Kingdom of Jordan. Yet individual users, utility managers, and government officials can improve access or cope with shortages in many ways. New supplies, more efficient use of existing resources, long-term investments to expand infrastructure and reduce leakage, and short-term measures to flexibly transfer, ration, or curtail some uses represent several different approaches for management. This paper reviews three separate systems analysis that use stochastic optimization with recourse. Analysis for individual residential users, the water utility serving 2.2 million residents in the capital Amman, and the …