Resource Type

Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training (open access)

Whales and Sonar: Environmental Exemptions for the Navy's Mid-Frequency Active Sonar Training

This report discusses laws related to the protection of marine mammals when using mid-frequency active sonar including the Marine Mammal Protection Act (MMPA), the Endangered Species Act (ESA), the National Environmental Policy Act (NEPA), and the Coastal Zone Management Act (CZMA). The report discusses each of the laws generally, and then reviews the litigation surrounding the Navy's compliance with these laws in the context of using the sonar for training purposes off California's coast.
Date: November 14, 2008
Creator: Alexander, Kristina
System: The UNT Digital Library
Water and Energy Savings using Demand Hot Water Recirculating Systems in Residential Homes: A Case Study of Five Homes in Palo Alto, California (open access)

Water and Energy Savings using Demand Hot Water Recirculating Systems in Residential Homes: A Case Study of Five Homes in Palo Alto, California

This report summarizes a preliminary study aimed at estimating the potential of saving potable water, (and the electrical energy used to heat it), that is presently lost directly to the drain while occupants wait for hot water to arrive at the faucet (point of use). Data were collected from five single-family homes in Palo Alto, California. Despite the small sample size in this study, the results make a compelling case for retrofitting homes with hot water recirculation systems to eliminate unnecessary wastage of water at the point of use. Technical as well as behavioral and attitudinal changes towards water conservation are necessary for a fulfilling and successful conservation effort. This report focuses on the technical issues, but behavioral issues are also noted, which may be factored into future studies involving local and state governments and utility companies.
Date: November 14, 2002
Creator: Ally, M.R.
System: The UNT Digital Library
Major Leadership Election Contests in the Senate: A 27-Year Survey (open access)

Major Leadership Election Contests in the Senate: A 27-Year Survey

None
Date: November 14, 2001
Creator: Amer, Mildred L.
System: The UNT Digital Library
Oxbow Fish Hatchery Snake River Sockeye Salmon Smolt Program, 2008 Annual Report. (open access)

Oxbow Fish Hatchery Snake River Sockeye Salmon Smolt Program, 2008 Annual Report.

This contract proposal is in response to the Federal Columbia River Power System Biological Opinion Implementation Plan/Update Proposed Action (UPA) associated with increasing the number of Snake River sockeye smolts by 150,000. To accomplish this proposal the cooperation and efforts of three government entities has been planned (e.g., Idaho Department of Fish and Game (IDFG), Oregon Department of Fish and Wildlife (ODFW), and the National Marine Fisheries Service (NMFS)). Improvements at the IDFG Eagle Fish Hatchery and NMFS Burley Creek Hatchery will focus on increasing sockeye salmon captive broodstock and egg production. Improvements at the ODFW Oxbow Fish Hatchery will be made to accommodate the incubation, hatching and rearing of 150,000 sockeye salmon smolts for release into Idaho's Sawtooth Valley, Upper Salmon River near IDFG's Sawtooth Fish Hatchery and/or Redfish Lake Creek 1.4 km downstream of Redfish Lake. Modifications to Oxbow Fish Hatchery (ODFW) will include retro-fit existing pond drains so pond cleaning effluent water can be routed to the pollution abatement pond, and modifications to the abatement pond. Also included in this project as an added phase, was the rerouting of the hatchery building effluent water to meet state DEQ guidelines for the use of formalin to treat salmonid …
Date: November 14, 2009
Creator: Banks, Duane D.
System: The UNT Digital Library
Analysis of Cost-Effective Off-Board Hydrogen Storage and Refueling Stations (open access)

Analysis of Cost-Effective Off-Board Hydrogen Storage and Refueling Stations

This report highlights design and component selection considerations for compressed gas hydrogen fueling stations operating at 5000 psig or 350 bar. The primary focus is on options for compression and storage – in terms of practical equipment options as well as various system configurations and how they influence delivery performance and station economics.
Date: November 14, 2008
Creator: Barnes, Ted & Liss, William
System: The UNT Digital Library
Experiments to Understand HPC Time to Development (Final report for Department of Energy contract DE-FG02-04ER25633) Report DOE/ER/25633-1 (open access)

Experiments to Understand HPC Time to Development (Final report for Department of Energy contract DE-FG02-04ER25633) Report DOE/ER/25633-1

In order to understand how high performance computing (HPC) programs are developed, a series of experiments, using students in graduate level HPC classes and various research centers, were conducted at various locations in the US. In this report, we discuss this research, give some of the early results of those experiments, and describe a web-based Experiment Manager we are developing that allows us to run studies more easily and consistently at universities and laboratories, allowing us to generate results that more accurately reflect the process of building HPC programs.
Date: November 14, 2007
Creator: Basili, Victor, R. & Zelkowitz, Marvin, V.
System: The UNT Digital Library
Accelerating scientific discovery : 2007 annual report. (open access)

Accelerating scientific discovery : 2007 annual report.

As a gateway for scientific discovery, the Argonne Leadership Computing Facility (ALCF) works hand in hand with the world's best computational scientists to advance research in a diverse span of scientific domains, ranging from chemistry, applied mathematics, and materials science to engineering physics and life sciences. Sponsored by the U.S. Department of Energy's (DOE) Office of Science, researchers are using the IBM Blue Gene/L supercomputer at the ALCF to study and explore key scientific problems that underlie important challenges facing our society. For instance, a research team at the University of California-San Diego/ SDSC is studying the molecular basis of Parkinson's disease. The researchers plan to use the knowledge they gain to discover new drugs to treat the disease and to identify risk factors for other diseases that are equally prevalent. Likewise, scientists from Pratt & Whitney are using the Blue Gene to understand the complex processes within aircraft engines. Expanding our understanding of jet engine combustors is the secret to improved fuel efficiency and reduced emissions. Lessons learned from the scientific simulations of jet engine combustors have already led Pratt & Whitney to newer designs with unprecedented reductions in emissions, noise, and cost of ownership. ALCF staff members provide …
Date: November 14, 2008
Creator: Beckman, P.; Dave, P. & Drugan, C.
System: The UNT Digital Library
Public Interaction and Educational Outreach on the Yucca Mountain Project (open access)

Public Interaction and Educational Outreach on the Yucca Mountain Project

In July 2002, the U.S. Congress approved Yucca Mountain in Nevada as the nation's first long-term geologic repository site for spent nuclear fuel and high-level radioactive waste. This major milestone for the country's high-level radioactive waste disposal program comes after more than twenty years of scientific study and intense public interaction and outreach. This paper describes public interaction and outreach challenges faced by the U.S. Department of Energy's (DOE) Yucca Mountain Project in the past and what additional communication strategies may be instituted following the July 2002 approval by the U.S. Congress to develop the site as the nation's first long-term geologic repository for spent nuclear fuel and high-level radioactive waste. The DOE public involvement activities were driven by two federal regulations--the National Environmental Policy Act (NEPA) and the Nuclear Waste Policy Act (NWPA) of 1982, as amended. The NEPA required that DOE hold public hearings at key points in the development of an Environmental Impact Statement (EIS) and the NWPA required the agency to conduct public hearings in the vicinity of the site prior to making a recommendation regarding the site's suitability. The NWPA also provided a roadmap for how DOE would interact with affected units of government, which …
Date: November 14, 2002
Creator: Benson, A. & Riding, Y.
System: The UNT Digital Library
Performance Contracting and Energy Efficiency in the State Government Market (open access)

Performance Contracting and Energy Efficiency in the State Government Market

There is growing interest in energy efficiency (EE) among state policymakers as a result of increasing environmental concerns, rising electricity and natural gas prices, and lean economic times that motivate states to look more aggressively for cost-saving opportunities in public sector buildings. One logical place for state policymakers to demonstrate their commitment to energy efficiency is to 'lead by example' by developing and implementing strategies to reduce the energy consumption of state government facilities through investments in energy efficient technologies. Traditionally, energy efficiency improvements at state government facilities are viewed as a subset in the general category of building maintenance and construction. These projects are typically funded through direct appropriations. However, energy efficiency projects are often delayed or reduced in scope whereby not all cost-effective measures are implemented because many states have tight capital budgets. Energy Savings Performance Contracting (ESPC) offers a potentially useful strategy for state program and facility managers to proactively finance and develop energy efficiency projects. In an ESPC project, Energy Service Companies (ESCOs) typically guarantee that the energy and cost savings produced by the project will equal or exceed all costs associated with implementing the project over the term of the contract. ESCOs typically provide turnkey …
Date: November 14, 2008
Creator: Bharvirkar, Ranjit; Goldman, Charles; Gilligan, Donald; Singer, Terry E.; Birr, David; Donahue, Patricia et al.
System: The UNT Digital Library
Value-Added Tax as a New Revenue Source (open access)

Value-Added Tax as a New Revenue Source

None
Date: November 14, 2002
Creator: Bickley, James M.
System: The UNT Digital Library
A Value-Added Tax Contrasted with a National Sales Tax (open access)

A Value-Added Tax Contrasted with a National Sales Tax

Proposals to replace all or part of the income tax and proposals for national health care have sparked congressional interest in possible sources of additional revenue. A value-added tax (VAT) or a national sales tax (NST) have been frequently discussed as possible new tax sources. Both the VAT and the NST are taxes on the consumption of goods and services and are conceptually similar. Yet, these taxes also have significant differences. This issue brief discusses some of the potential policy implications associated with these differences.
Date: November 14, 2002
Creator: Bickley, James M.
System: The UNT Digital Library
Optimization of Processing and Modeling Issues for Thin Film Solar Cell Devices Including Concepts for the Development of Polycrystalline Multijunctions Annual Subcontract Report, 24 August 1999 - 23 August 2000 (open access)

Optimization of Processing and Modeling Issues for Thin Film Solar Cell Devices Including Concepts for the Development of Polycrystalline Multijunctions Annual Subcontract Report, 24 August 1999 - 23 August 2000

This report describes the results achieved during Phase I of a three-phase subcontract to develop and understand thin-film solar cell technology associated with CuInSe2 and related alloys, a-Si and its alloys, and CdTe. Modules based on all these thin films are promising candidates to meet DOE long-range efficiency, reliability, and manufacturing cost goals. The critical issues being addressed under this program are intended to provide the science and engineering basis for developing viable commercial processes and to improve module performance. The generic research issues addressed are: (1) quantitative analysis of processing steps to provide information for efficient commercial-scale equipment design and operation; (2) device characterization relating the device performance to materials properties and process conditions; (3) development of alloy materials with different bandgaps to allow improved device structures for stability and compatibility with module design; (4) development of improved window/heterojunction layers and contacts to improve device performance and reliability; and (5) evaluation of cell stability with respect to illumination, temperature, and ambient, and with respect to device structure and module encapsulation.
Date: November 14, 2001
Creator: Birkmire, R. W.; Phillips, J. E.; Shafarman, W. N.; Eser, E.; Hegedus, S. S. & McCandless, B. E.
System: The UNT Digital Library
Army Aviation: The RAH-66 Comanche Helicopter Issue (open access)

Army Aviation: The RAH-66 Comanche Helicopter Issue

Although it has been a high priority Army program, a number of factors have complicated the RAH-66 Comanche program. Since its inception, the program has been restructured several times–postponing the initial operational capability (IOC) and increasing overall program costs. Presently, there is debate within the Army regarding whether the program should be reduced significantly to make funds available to pursue other modernization priorities.
Date: November 14, 2002
Creator: Bolkcom, Christopher
System: The UNT Digital Library
Chemical Weapons Convention: Issues for Congress (open access)

Chemical Weapons Convention: Issues for Congress

The CWC bans the development, production, stockpiling, and use of chemical weapons by members signatories. It also requires the destruction of all chemical weapons stockpiles and production facilities. Neither the United States nor Russia will be able to meet the original CWC’s deadlines for destruction of their CW stockpiles, and have been granted extensions to at least 2012. The Convention provides the most extensive and intrusive verification regime of any arms control treaty, extending its coverage to not only governmental but also civilian facilities. The Convention also requires export controls and reporting requirements on chemicals that can be used as warfare agents and their precursors. The CWC establishes the Organization for the Prohibition of Chemical Weapons (OPCW) to oversee the Convention’s implementation.
Date: November 14, 2003
Creator: Bowman, Steven R.
System: The UNT Digital Library
Fruits and Vegetables: Issues for Congress (open access)

Fruits and Vegetables: Issues for Congress

This report discusses the issues for Congress related to fruits & vegetables. The contents include federal activities, programs, farm bill issues, & trade issues.
Date: November 14, 2002
Creator: Branaman, Brenda
System: The UNT Digital Library
The Department of Energy's Weatherization Assistance Program (open access)

The Department of Energy's Weatherization Assistance Program

The U.S. Department of Energy’s (DOE) Weatherization Assistance Program (WAP) is one of the largest energy conservation programs in the nation. The DOE program is implemented in all 50 states, the District of Columbia and Native American Tribes. It weatherizes an average of 70,000 dwellings per year. The program strives to increase the energy efficiency of dwellings occupied by low-income persons in order to reduce their energy consumption and lower their fuel bills. It targets vulnerable groups including the elderly, people with disabilities, and families with children.
Date: November 14, 2001
Creator: Butler, Alice D.
System: The UNT Digital Library
A scheme to extract a low intensity slow spill main injector beam to the meson area without compromising antiproton production rate (open access)

A scheme to extract a low intensity slow spill main injector beam to the meson area without compromising antiproton production rate

None
Date: November 14, 2000
Creator: C.Shekhar Mishra, Thornton Murphy and Rajendran Raja
System: The UNT Digital Library
Addition of Tropospheric Chemistry and Aerosols to the NCAR Community Climate System Model (open access)

Addition of Tropospheric Chemistry and Aerosols to the NCAR Community Climate System Model

Atmospheric chemistry and aerosols have several important roles in climate change. They affect the Earth's radiative balance directly: cooling the earth by scattering sunlight (aerosols) and warming the Earth by trapping the Earth's thermal radiation (methane, ozone, nitrous oxide, and CFCs are greenhouse gases). Atmospheric chemistry and aerosols also impact many other parts of the climate system: modifying cloud properties (aerosols can be cloud condensation nuclei), fertilizing the biosphere (nitrogen species and soil dust), and damaging the biosphere (acid rain and ozone damage). In order to understand and quantify the effects of atmospheric chemistry and aerosols on the climate and the biosphere in the future, it is necessary to incorporate atmospheric chemistry and aerosols into state-of-the-art climate system models. We have taken several important strides down that path. Working with the latest NCAR Community Climate System Model (CCSM), we have incorporated a state-of-the-art atmospheric chemistry model to simulate tropospheric ozone. Ozone is not just a greenhouse gas, it damages biological systems including lungs, tires, and crops. Ozone chemistry is also central to the oxidizing power of the atmosphere, which destroys a lot of pollutants in the atmosphere (which is a good thing). We have also implemented a fast chemical mechanism …
Date: November 14, 2005
Creator: Cameron-Smith, P.; Lamarque, J.; Connell, P.; Chuang, C.; Rotman, D. & Taylor, J.
System: The UNT Digital Library
DIALOG: Fostering Early Career Development Across the Aquatic Sciences (open access)

DIALOG: Fostering Early Career Development Across the Aquatic Sciences

A total of 447 dissertation abstracts were received for the DIALOG V Program, with 146 individuals applying for the DIALOG V Symposium; 47 were invited and 45 have accepted. This represents a significant increase compared to the DIALOG IV Program in which 221 abstracts were registered and 124 applied for the symposium. The importance of the dissertation registration service is indicated by the increasing number of individuals who take time to register their dissertation even when they are not interested in applying to the symposium. The number of visits to the webpage has also increased significantly over the years. This also reflects graduate interest in being part of the on-line Dissertation Registry and receiving the weekly electronic DIALOG Newsletter. See http://aslo.org/phd.html for details. The DIALOG symposium reaches approximately 40 new PI's at a pivotal point in their research careers. Based on their comments, the symposium changes the way participants think, communicate, and approach their research. The science community and the general population will benefit from the perspectives these new PI's bring back to their home institutions and share with their students and colleagues. This group should act as a catalyst to move the entire field in exciting new, interdisciplinary directions. …
Date: November 14, 2004
Creator: Caroline Susan Weiler, PhD
System: The UNT Digital Library
Apalachicola-Chattahoochee-Flint (ACF) Drought: Federal Reservoir and Species Management (open access)

Apalachicola-Chattahoochee-Flint (ACF) Drought: Federal Reservoir and Species Management

This report describes the Federal Reservoir and Species Management of Apalachicola-Chattahoochee-Flint (ACF) Drought.
Date: November 14, 2007
Creator: Carter, Nicole T.; Corn, M. Lynne; Abel, Amy; Kaplan, Stan Mark; Buck, Eugene H.; Folger, Peter et al.
System: The UNT Digital Library
Science and Technology Review January/February 2008 (open access)

Science and Technology Review January/February 2008

This month's issue has the following articles: (1) The Edward Teller Centennial--Commentary by George H. Miller; (2) Edward Teller's Century: Celebrating the Man and His Vision--Colleagues at the Laboratory remember Edward Teller, cofounder of Lawrence Livermore, adviser to U.S. presidents, and physicist extraordinaire, on the 100th anniversary of his birth; (3) Quark Theory and Today's Supercomputers: It's a Match--Thanks to the power of BlueGene/L, Livermore has become an epicenter for theoretical advances in particle physics; and (4) The Role of Dentin in Tooth Fracture--Studies on tooth dentin show that its mechanical properties degrade with age.
Date: November 14, 2007
Creator: Chinn, D J
System: The UNT Digital Library
The Safe and Drug-Free Schools and Communities Act: Reauthorization and Appropriations (open access)

The Safe and Drug-Free Schools and Communities Act: Reauthorization and Appropriations

This report discusses the approved reauthorization legislation to extend and amend the Elementary and Secondary Education Act (ESEA) and the Safe and Drug-Free Schools and Communities Act (SDFSCA).
Date: November 14, 2005
Creator: Cooper, Edith F.
System: The UNT Digital Library
Optical Fiber High Temperature Sensor Instrumentation for Energy Intensive Industries (open access)

Optical Fiber High Temperature Sensor Instrumentation for Energy Intensive Industries

This report summarizes technical progress during the program “Optical Fiber High Temperature Sensor Instrumentation for Energy Intensive Industries”, performed by the Center for Photonics Technology of the Bradley Department of Electrical and Computer Engineering at Virginia Tech. The objective of this program was to use technology recently invented at Virginia Tech to develop and demonstrate the application of self-calibrating optical fiber temperature and pressure sensors to several key energy-intensive industries where conventional, commercially available sensors exhibit greatly abbreviated lifetimes due primarily to environmental degradation. A number of significant technologies were developed under this program, including • a laser bonded silica high temperature fiber sensor with a high temperature capability up to 700°C and a frequency response up to 150 kHz, • the world’s smallest fiber Fabry-Perot high temperature pressure sensor (125 x 20 μm) with 700°C capability, • UV-induced intrinsic Fabry-Perot interferometric sensors for distributed measurement, • a single crystal sapphire fiber-based sensor with a temperature capability up to 1600°C. These technologies have been well demonstrated and laboratory tested. Our work plan included conducting major field tests of these technologies at EPRI, Corning, Pratt & Whitney, and Global Energy; field validation of the technology is critical to ensuring its usefulness …
Date: November 14, 2006
Creator: Cooper, Kristie L.; Wang, Anbo & Pickrell, Gary R.
System: The UNT Digital Library
District of Columbia Representation: Effect on House Apportionment (open access)

District of Columbia Representation: Effect on House Apportionment

This report shows the distribution of House seats based on the 2000 census for 435 seats and for 437 seats as specified in the proposal. The report also examines the impact of using the 2006 estimated population to allocate the 437 seats, including the single seat provided to the District.
Date: November 14, 2007
Creator: Crocker, Royce
System: The UNT Digital Library