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Articles 5611 - 5640 of 6139
Full-Text Articles in Entire DC Network
The Barriers Present In More Developed Countries And Less Developed Countries Slowing The Implementation Of Substainability, Luke Giovine
The Barriers Present In More Developed Countries And Less Developed Countries Slowing The Implementation Of Substainability, Luke Giovine
UNLV Theses, Dissertations, Professional Papers, and Capstones
In 1996 the natural resource base of the world is being depleted at a rate far below the sustainable level. This is very evident in less developed countries (IDC), where raw limited natural resources are being poorly utilized and/or exported to more developed countries (MDC). The More Developed Countries such as the United States, Japan, and Germany use a high amount of natural resources and energy to maintain their material Standard Of Living (SOL), and this is at rates above what their own country can sustain with its own natural resources within its own borders. Both MDC's and LDC's are …
An Analysis Of Remediation Alternatives In An Attempt To Establish An Effective Hydrocarbon-Contaminated Soils Remediation Program At The Yucca Mountain Site Characterization Project (Ymp), Marc A. Gonzales
UNLV Theses, Dissertations, Professional Papers, and Capstones
An analyses, of six (6) soil remediation alternatives was completed in attempt to establish an effective hydrocarbon-contaminated soils remediation program at the Yucca Mountain Site Characterization Program (YMP). The remediation alternatives analyzed included: no remediation, on-site incineration, off-site incineration, in-situ .bioremediation, ex-situ bioremediation, and excavation and disposal. Variables considered in the evaluation process included cost of contaminated soil transportation, treatment costs, future liability, and success of remediating the contaminated soils to below regulatory thresholds. The analysis concluded in the recommendation of an on-site ex-situ bioremediation treatment facility (BTF) to remediate hydrocarbon-contaminated soils at the YMP. The selection was based on …
The Ecotourism Equation: Measuring The Impacts, Elizabeth Malek-Zadeh
The Ecotourism Equation: Measuring The Impacts, Elizabeth Malek-Zadeh
Yale School of the Environment Bulletin Series
No abstract provided.
Conservation Biology & U.S. Forest Service Views Of Ecosystem Management And What They Imply About Policies Needed To Achieve Sustainability Of Biodiversity, David W. Crumpacker, University Of Colorado Boulder. Natural Resources Law Center
Conservation Biology & U.S. Forest Service Views Of Ecosystem Management And What They Imply About Policies Needed To Achieve Sustainability Of Biodiversity, David W. Crumpacker, University Of Colorado Boulder. Natural Resources Law Center
Books, Reports, and Studies
53 p. ; 28 cm
A Constructivist Study Of University Curricular Attributes And Faculty Leadership In Support Of Environmental Sustainability, Esther Jane Ross, Gary Mcmane
A Constructivist Study Of University Curricular Attributes And Faculty Leadership In Support Of Environmental Sustainability, Esther Jane Ross, Gary Mcmane
Theses Digitization Project
No abstract provided.
Collections Summary For Dugway Proving Ground, Utah, U.S. Army Corps Of Engineers
Collections Summary For Dugway Proving Ground, Utah, U.S. Army Corps Of Engineers
Elusive Documents
No abstract provided.
Ribbons Of Blue, Martin Revell, Thelma Crook
Ribbons Of Blue, Martin Revell, Thelma Crook
Journal of the Department of Agriculture, Western Australia, Series 4
Ribbons of Blue is a water quality awareness program that involves schools and community groups in monitering local water bodies.
The concept originated in the Environmental Policy Planning section of the Office of Premier and Cabinet, in 1989. Martin Revell and Thelma cook outline the scope of the program and highlight some major achievements.
Comparison Of The Aquatic Ecology Of Side-Canyons And The Main Channel Of Lake Powell, Wayne A. Wurtsbaugh, Kirsten L. Gallo
Comparison Of The Aquatic Ecology Of Side-Canyons And The Main Channel Of Lake Powell, Wayne A. Wurtsbaugh, Kirsten L. Gallo
Watershed Sciences Faculty Publications
From 18-21 April 1996, students in a Utah State University class (Aquatic Ecology Laboratory; FW 560) measured limnological and fisheries characteristics in two side canyons (Halls Creek Bay and Moki Canyon) and the main channel of Lake Powell. Inclement weather precluded sampling of two other side canyons. Most of the sub-projects, directed by indiVIdual students, addressed the following two hypotheses: (1) productivity gradients existed from the inflows of the side canyons toward the main channel and; (2) productivity was higher in the side canyons than in the main channel of the lake. In most cases, parameters were measured at 3-5 …
Atmospheric Sampling Of Supertyphoon Mireille With Nasa Dc-8 Aircraft On September 27,1991, During Pem-West A, G W. Sachse, R E. Newall, W Hu, Z X. Wu, H Akimoto, B E. Anderson, E V. Browell, G L. Gregory, G W. Sachse, M C. Shipman, A S. Bachmeier, A R. Bandy, D C. Thornton, D R. Blake, F Sherwood Rowland, J D. Bradshaw, J H. Crawford, D D. Davis, S T. Sandholm, W Brockett, L Degreef, D Lewis, D Mccormick, E Monitz, J E. Collins Jr, B J. Heikes, J T. Merrill, K K. Kelly, S C. Liu, Y Kondo, M Koike, C M. Liu, F Sakama, H B. Singh, Jack E. Dibb, R. Talbot
Atmospheric Sampling Of Supertyphoon Mireille With Nasa Dc-8 Aircraft On September 27,1991, During Pem-West A, G W. Sachse, R E. Newall, W Hu, Z X. Wu, H Akimoto, B E. Anderson, E V. Browell, G L. Gregory, G W. Sachse, M C. Shipman, A S. Bachmeier, A R. Bandy, D C. Thornton, D R. Blake, F Sherwood Rowland, J D. Bradshaw, J H. Crawford, D D. Davis, S T. Sandholm, W Brockett, L Degreef, D Lewis, D Mccormick, E Monitz, J E. Collins Jr, B J. Heikes, J T. Merrill, K K. Kelly, S C. Liu, Y Kondo, M Koike, C M. Liu, F Sakama, H B. Singh, Jack E. Dibb, R. Talbot
Earth Sciences
The DC-8 mission of September 27, 1991, was designed to sample air flowing into Typhoon Mireille in the boundary layer, air in the upper tropospheric eye region, and air emerging from the typhoon and ahead of the system, also in the upper troposphere. The objective was to find how a typhoon redistributes trace constituents in the West Pacific region and whether any such redistribution is important on the global scale. The boundary layer air (300 m), in a region to the SE of the eye, contained low mixing ratios of the tracer species O3, CO, C2H6, C2H2, C3H8, C6H6and CS2 …
Describing The Elephant: Multiple Perspectives In New York City's Watershed Protection Conflict, Krystyna Anne Stave
Describing The Elephant: Multiple Perspectives In New York City's Watershed Protection Conflict, Krystyna Anne Stave
Public Policy and Leadership Faculty Research
New York City's efforts to avoid filtration mandated by the 1986 Safe Drinking Water Act Amendments and the 1989 Surface Water Treatment Rule have generated considerable controversy. Since the conflict began in 1990, a spectrum of stakeholder groups has emerged, representing land owners, sport fishermen, businesses, environmental groups, developers, and watershed communities. What was originally defined by New York City water supply managers as a scientific problem--identifying sources of water quality degradation and preventing contaminants from entering the water supply system--now has broadened to include a diverse set of social and economic issues as well.
An Interdisciplinary Water Quality Curriculum For Middle School Students, Barbara Michelle Cleveland
An Interdisciplinary Water Quality Curriculum For Middle School Students, Barbara Michelle Cleveland
All Graduate Projects
An interdisciplinary curriculum correlating water quality with the disciplines of physical science and mathematics for 6th grade middle school students was developed. Literature examined indicates that the opportunity to explore key concepts and significant issues using an integrated approach provided greater opportunity to formulate meaningful connections between disciplines studied and that achievement was enhanced. The Learning units were developed for use at Wilson Middle School in Yakima, Washington.
A Guide For Extending Nature Lessons At The Yakima Arboretum, Marilou Cori Kinder
A Guide For Extending Nature Lessons At The Yakima Arboretum, Marilou Cori Kinder
All Graduate Projects
The importance of providing a hands on natural environment curriculum was examined. Sources from 1938-1996 were found supporting the importance of such a curriculum. A search was conducted on the availability of a natural habitat curriculum that used a local resource. The search discovered the Yakima Arboretum had seven areas of interest along with a packet of brief lesson suggestions. These lessons were extended to include classroom activities that would provide students with background knowledge prior to a field trip to the Arboretum.
Using Digital Elevation Models To Measure The Surface And Volumetric Change Of Athabasca Glacier, Alberta, Canada, 1919-1979, James Robb Reynolds
Using Digital Elevation Models To Measure The Surface And Volumetric Change Of Athabasca Glacier, Alberta, Canada, 1919-1979, James Robb Reynolds
Theses and Dissertations (Comprehensive)
The Athabasca Glacier (52˚12'N, 117˚14'W) located at the Alberta-British Columbia border was studied to quantify its volumetric, area and elevation changes below 2400 m between 1919 and 1979. The data sources consist of maps produced using aerial and terrestrial photogrammetry in the years between 1919 and 1979. The maps were digitized and converted into raster digital elevation models (DEMs), the manipulation of which allowed values of surface and volumetric change to be calculated. These DEMs showed that between 1919 and 1979 the glacier lost 2.344 x 108m3 of volume and receded more than 1 km. Each of the source maps …
Energy And Deforestation In Ghana: A Study Of Woodfuel-Deforestation Links In Rural Ghana, Iddrisu Adam
Energy And Deforestation In Ghana: A Study Of Woodfuel-Deforestation Links In Rural Ghana, Iddrisu Adam
Theses and Dissertations (Comprehensive)
Forests are one of the most valuable natural resources of many countries, including Ghana. Timber and other forest products have contributed immensely to the development of the country. These same forests have been a source of sustenance to the Ghanian people. Most particularly, forests have been the principal source of domestic energy by way of providing woodfuels. The heavy reliance on forest resources is taking its toll on the health of Ghanaian forests. In recent years, there has been increased awareness of the depletion of trees—a problem that many researchers have attributed to the over-exploitation of forests especially for domestic …
Relative Rates Of Sand Transport Through An Incipient Parabolic Dune At Pinery Provincial Park, Ontario (Ammophila Breviligulata, Calamovilfa Longifolia, Cakile Edentula, Juniperus Virginiana, Populus Deltoides), Sheri A. Longboat
Theses and Dissertations (Comprehensive)
Factors controlling the development, migration, and stability of an incipient parabolic dune in Pinery Provincial Park, Ontario were investigated in terms of grain size characteristics, rates of sediment transport, and local and regional winds. The parabolic dune, situated approximately 60 meters inland of Lake Huron, is dominated by sparsely scattered dune grass species of marram grass (Ammophila breviligulata), sand reed (Calamovilfa longifolia), and sea rocket (Cakile edentula). Small tree species of red cedar (Juniperus virginiana) and eastern cottonwood (Populus deltoides) emerge and increase in number beyond the parabolic dune. Mean grain sizes along a profile were coarsest on the beach …
Fact Sheet, Yale University Office Of Institutional Research
Fact Sheet, Yale University Office Of Institutional Research
Fact Sheets
No abstract provided.
Mechanical And Chemical Weathering Of Periglacial And Non-Periglacial Forms On The Eastern Fosheim Peninsula, Ellesmere Island (Northwest Territories), Cameron Lawrence Chadwick
Mechanical And Chemical Weathering Of Periglacial And Non-Periglacial Forms On The Eastern Fosheim Peninsula, Ellesmere Island (Northwest Territories), Cameron Lawrence Chadwick
Theses and Dissertations (Comprehensive)
The purpose of this study is to examine the differences in the mechanical and chemical weathering of different periglacial and non-periglacial forms on the eastern Fosheim Peninsula. Forms studied include: solifluction lobes, non-sorted stripes, polygons, mudboils, wetted sloped, dry ridge and wet meadow. Most sites including the periglacial forms of solifluction lobes, non-sorted stripes, and polygons show signs of chemical and mechanical weathering. The weathering found at all sites was minute but may be significant given the slow rates of weathering in this environment. The individual environmental variables of moisture and temperature levels do not appear to have a direct …
Managing External Threats To National Parks In Canada's Western Mountains (Alberta), George Yap
Managing External Threats To National Parks In Canada's Western Mountains (Alberta), George Yap
Theses and Dissertations (Comprehensive)
External threats to protected areas exist because the area encompassed by the legal boundaries of many protected areas is less than what is needed to maintain a minimum viable population of various animal species and some types of plant associations. While external stresses to parks are the result of a wide range of human activities, they threaten ecological integrity in two general ways: by contributing to habitat fragmentation, alienation and loss (HFAL), and/or undermining the long-term viability of transboundary animal populations. However, in comparison to internal threats, addressing external threats is considerably more complex since park managers have no legal …
Mechanisms Of Pentachlorophenol Induced Charge Transport In Lipid Membranes, William Charles Brown
Mechanisms Of Pentachlorophenol Induced Charge Transport In Lipid Membranes, William Charles Brown
Dissertations and Theses
Pentachlorophenol (PCP) is one of the prominent environmental pollutant that has penetrated into food chain and is present in humans. Health concerns have been raised since daily intake of PCP by the US population is estimated to be 16-19 µg. PCP facilitates dissipation of electrochemical potential gradients of hydrogen ions across energy transducing membranes, which are the energy sources for the conversion of adenosine diphosphate into adenosine triphosphate. Closely linked to these dissipative effects is the development of electrical conductivity in lipid membranes, induced by the presence of PCP. Three modes of PCP - induced membrane electrical conductivity were theoretically …
John Muir Newsletter, Winter 1995/96, John Muir Center For Regional Studies
John Muir Newsletter, Winter 1995/96, John Muir Center For Regional Studies
Muir Center Newsletters (1981-2015)
John Muir Newsletter winter 1995-96 university of the pacific volume 6, number 1 HOW I FOUND SMOKEY JACK'S CAMP AND TWENTY-HILL HOLLOW ByRobert Bauer (Editor's note: When not raising turkeys, Robert Bauer is a graduate student in anthropology at California State University, Stanislaus, working on a master's thesis that places Muir and his work in the context of the land and people of the Sierra foothills between the Merced and Tuolumne rivers.) John Muir first came to eastern Merced County in 1868 by a circuitous route. Following a botanzing trip through Florida and Cuba, he was taken with a fever …
Dispersal Dynamics In A Wind-Driven Benthic System, John A. Commito, S. F. Thrush, R. D. Pridmore, J. E. Hewitt, V. J. Cummings
Dispersal Dynamics In A Wind-Driven Benthic System, John A. Commito, S. F. Thrush, R. D. Pridmore, J. E. Hewitt, V. J. Cummings
Environmental Studies Faculty Publications
Bedload and water column traps were used with simultaneous wind and water velocity measurements to study postlarval macrofaunal dispersal dynamics in Manukau Harbour, New Zealand. A 12-fold range in mean wind condition resulted in large differences in water flow (12-fold), sediment flux (285-fold), and trap collection of total number of individuals (95-fold), number of the dominant infaunal organism (84-fold for the bivalve Macomona liliana), and number of species (4-fold). There were very strong, positive relationships among wind condition, water velocity, sediment flux, and postlarval dispersal, especially in the bedload. Local density in the ambient sediment was not a good predictor …
Model Of Chlorocarbon (Cfc-12) Chemisorption On Solid Rocket Motor Alumina Exhaust Particles, Gary E. Lund
Model Of Chlorocarbon (Cfc-12) Chemisorption On Solid Rocket Motor Alumina Exhaust Particles, Gary E. Lund
Theses and Dissertations
Solid Rocket (SRMs) that power Titan IV rockets and Space Shuttles, exhaust large quantities of potentially ozone damaging pollutants directly into the stratosphere, while in powered flight. In the past, studies on potential stratospheric impact of the exhaust products from aluminum/ammonium perchlorate based SRMs have focused on the effect of gaseous HCl from SRMs on the stratosphere. Until recently, the impact of heterogeneous chemistry on stratospheric ozone was believed to be relatively insignificant. This research investigates the potential heterogeneous process of CFC-12 dissociative chemisorption on alumina surfaces and the release of reactive halogen species known to destroy ozone. Through a …
Agenda: Challenging Federal Ownership And Management: Public Lands And Public Benefits, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Challenging Federal Ownership And Management: Public Lands And Public Benefits, University Of Colorado Boulder. Natural Resources Law Center
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
Conference organizers, speakers and/or moderators included University of Colorado School of Law professors David H. Getches, Michael A. Gheleta, Teresa Rice, Elizabeth Ann (Betsy) Rieke and Charles F. Wilkinson.
In the face of numerous proposals for privatizing, marketing, and changing the management of public lands, the Natural Resources Law Center will hold its third annual fall public lands conference October 11-13, at the CU School of Law in Boulder.
A panel of public land users and neighbors, including timber, grazing, mining, recreation, and environmental interests, will address current discontent with public land policy and management. There will also be discussion …
Drought Monitoring And Information Centre Established For Arid Zone Of South Africa, Louis G. Du Pisani, Reep Verloren Van Themaat, Francis Roux
Drought Monitoring And Information Centre Established For Arid Zone Of South Africa, Louis G. Du Pisani, Reep Verloren Van Themaat, Francis Roux
Drought Network News (1994–2001)
Drought policy in the Republic of South Africa has been extensively reviewed in Drought Network News (Bruwer, 1989; Bruwer, 1990a; Bruwer, 1990b). The protection of natural resources against deterioration (natural vegetation = veld) and the protection of rural communities and infrastructure against disruption of agricultural and socioeconomic development have always been major thrusts behind drought relief subsidies.
Since 1980, two important provisos for drought relief payments to stock farmers have been implemented: (1) a drought must assume disaster proportions (Bruwer, 1990b) and (2) stock numbers must not exceed the official carrying capacity (Department of Agricultural Development, 1992).
The pressure on …
Management Of Pesticide Related Soil Contamination In Tulare County, California: Remediation And Prevention Options, Nickolas Keoni Akana
Management Of Pesticide Related Soil Contamination In Tulare County, California: Remediation And Prevention Options, Nickolas Keoni Akana
UNLV Theses, Dissertations, Professional Papers, and Capstones
The case study chosen for research is the Remedial Action Plan (RAP) summary report of Remedial Investigations of the Harmon Field contaminated site located near the town of Pixley, in Tulare County, California. "These reports were prepared in accordance with a directive from the California Environmental Protection Agency (Cal-EPA), formerly the California Department of Health Services (DHS). (Canonie, 1996).
Harmon Field is a hundred acre field located at 1494 South Airport Road. The airfield has been in full operation since 1952. The uses of the airport are all agriculturally related. The primary use is for crop duster operations. (Canonie 1996). …
Water Resources Review - October 1995 Vol 8 No 3, Annis Water Resources Institute
Water Resources Review - October 1995 Vol 8 No 3, Annis Water Resources Institute
AWRI Reviews
No abstract provided.
In-Water Electroshock Techniques To Repel Aquatic Mammals And Birds, A. Lawrence Kolz, Richard E. Johnson
In-Water Electroshock Techniques To Repel Aquatic Mammals And Birds, A. Lawrence Kolz, Richard E. Johnson
National Wildlife Research Center Repellents Conference 1995
Nonlethal electroshocking devices have been developed at the Denver Wildlife Research Center for repelling aquatic mammals and birds from selected areas. These devices are augmented with infrared motion sensors to turn on the apparatus only when warm-blooded animals are present, thereby conserving electrical energy and allowing battery operation. Electronic safety controls are incorporated to prevent animals from being over-exposed or repeatedly exposed to the electrical fields. The technical basis for this equipment is based upon research originally reported in the electrofishing literature. Obviously, any animal immersed in water is highly susceptible to electrical shock, but permanent injury can be avoided …
37th Rocky Mountain Conference On Analytical Chemistry
37th Rocky Mountain Conference On Analytical Chemistry
Rocky Mountain Conference on Magnetic Resonance
Final program, abstracts, and information about the 37th annual meeting of the Rocky Mountain Conference on Analytical Chemistry, co-sponsored by the Colorado Section of the American Chemical Society and the Rocky Mountain Section of the Society for Applied Spectroscopy. Held in Denver, Colorado, July 23-27, 1995.
Santa Clara Magazine, Volume 37 Number 3, Summer 1995, Santa Clara University
Santa Clara Magazine, Volume 37 Number 3, Summer 1995, Santa Clara University
Santa Clara Magazine
6 - GARBAGE IN: GOODS OUT Lee Hornberger ' 69, associate professor of mechanical engineering, has only one word to say to you: plastics. By Maureen Mclnaney '85
10 - SCU 101 More than a hundred (count 'em) things every student shou ld do before graduating from Santa Clara.
16 - CHIAPAS: ROOTS OF A REBELLION Members of the SCU community bear witness to an indigenous struggle. By Trina Kleist '80 Photographs by Charles Barry
22 - PRESENTING PARADISE A modern translation with commentary helps readers scale the heights of Dante's heaven. By James Torrens, S.J.
24 - HAVE BALL, …
Sustainability: Myth And Reality, Kai Lee
Sustainability: Myth And Reality, Kai Lee
Sustainable Use of the West's Water (Summer Conference, June 12-14)
23 pages (includes illustrations).
Contains references.