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Full-Text Articles in Physical Sciences and Mathematics

Water Resources Review - October 1992 Vol 5 No 3, Annis Water Resources Institute Oct 1992

Water Resources Review - October 1992 Vol 5 No 3, Annis Water Resources Institute

AWRI Reviews

No abstract provided.


The Planet, 1992, Volume 22, Issue 01, T. R. Morris, Huxley College Of The Environment, Western Washington University Oct 1992

The Planet, 1992, Volume 22, Issue 01, T. R. Morris, Huxley College Of The Environment, Western Washington University

The Planet

No abstract provided.


The Probe, Issue 126 - October 1992 Oct 1992

The Probe, Issue 126 - October 1992

The Probe: Newsletter of the National Animal Damage Control Association

Gray Wolf Management and Re-Establishment in North America
CALENDAR OF UPCOMING EVENTS
NADCA Annual Meeting to Be Held in Kansas City
Renew Your NADCA Membership
Colorado Court Dismisses Wolf Lawsuit
Pred-X Tags Prove Less than Successful for Nevada Sheep Producer
Trapping Course Becomes Mandatory in British Columbia
NADCA Assists in Animal Use Survey
Recent Publications of Interest
Conibear Traps for Woodchucks
Letters: Wolves, Coyotes, Etc
Education About Wildlife Damage Control Important


Use Of High-Energy Radiation For Degradation Of Environmental Pollutants, Robert D. Guthrie, Manjiri Patwardhan Oct 1992

Use Of High-Energy Radiation For Degradation Of Environmental Pollutants, Robert D. Guthrie, Manjiri Patwardhan

KWRRI Research Reports

The purpose of this project was to explore the advantages and/or limitations of high-energy radiation treatment as a method for degrading organic pollutants, particularly aryl halides, in an aqueous medium. We have done analyses of 60Co-irradiated samples and kinetic studies using pulsed electron beams. For aryl halides containing no more than two fused rings, the main products detected are those of simple halogen replacement by hydrogen, although the amount of aryl halide destroyed was always greater than the total amount of products detected. To accomplish halogen replacement by H, the reaction solvent may not be pure water but must …


Resource Law Notes Newsletter, No. 26, Fall Issue, Sept. 1992, University Of Colorado Boulder. Natural Resources Law Center Oct 1992

Resource Law Notes Newsletter, No. 26, Fall Issue, Sept. 1992, University Of Colorado Boulder. Natural Resources Law Center

Resource Law Notes: The Newsletter of the Natural Resources Law Center (1984-2002)

No abstract provided.


Arkansas Agricultural Chemical Ground-Water Management Plan, Gerald King, Darryl Little, Tim Jessup, Charles Armstrong Oct 1992

Arkansas Agricultural Chemical Ground-Water Management Plan, Gerald King, Darryl Little, Tim Jessup, Charles Armstrong

Arkansas Water Resources Center Technical Reports

The Arkansas Agricultural Chemical Ground-Water Management Plan (SMP) is based on the Draft State Pesticide Ground- Water Management Plan Guidance and The Pesticides and Ground-Water Protection Strategy prepared by the U.S. Environmental Protection Agency (EPA). The need for a plan to protect ground water from contamination by agricultural chemicals and agents arises from evidence nationwide that using these chemicals can, in some instances, lead to contamination. In February 1988, EPA proposed a strategy to regulate certain pesticides by prohibiting their use in areas vulnerable to leaching unless a state develops and implements an acceptable management plan. The advantage of a …


Madagascar: Red Island Green Heart, Nat Quansah Sep 1992

Madagascar: Red Island Green Heart, Nat Quansah

Nat Quansah

No abstract provided.


The Boston Harbor Cleanup, Paul F. Levy, Michael S. Connor Sep 1992

The Boston Harbor Cleanup, Paul F. Levy, Michael S. Connor

New England Journal of Public Policy

Boston Harbor earned a widespread reputation as "the dirtiest harbor in the nation" during the 1988 presidential campaign. Well before that campaign began, though, efforts were under way to reduce the amount of pollution entering the harbor. The Massachusetts Water Resources Authority was created in 1985 to undertake a massive public works program — including construction of a 1.3 billion-gallon-per-day sewage treatment plant and a sludge fertilizer processing plant — to end the decades-old practice of dumping sewage wastes into the ocean. The program will also cause water and sewer charges to rise dramatically during a fifteen-year period.

The project …


A Three-Dimensional Circulation Model For Tampa Bay, Y. P. Sheng, J. K. Choi, S. B. Malakar, S. L. Schofield, D. Welter, E. Yassuda Sep 1992

A Three-Dimensional Circulation Model For Tampa Bay, Y. P. Sheng, J. K. Choi, S. B. Malakar, S. L. Schofield, D. Welter, E. Yassuda

Reports

Y. Peter Sheng, the Principal Investigator of the proposed study, has developed and applied three-dimensional hydrodynamic models since 1972. These models were developed for a variety of water bodies (including estuaries, lakes, and coastal waters) for a variety of government agencies (e.g., USEPA, USGS, SBNEP, USAE, SFWMD, and SJRWMD) and petroleum companies (Standard Oil and Mobil) to solve a variety of problems. Basically, the nature of the problem and the water body determines the purpose of the modeling study and hence the features and capabilities of the model.


Risk Estimation And Expert Judgment: The Case Of Yucca Mountain, Kristin Shrader-Frechette Sep 1992

Risk Estimation And Expert Judgment: The Case Of Yucca Mountain, Kristin Shrader-Frechette

RISK: Health, Safety & Environment (1990-2002)

Professor Shrader-Frechette discusses factors responsible for acute disagreement between the federal government and Nevada citizens over potential Risks at Yucca Mountain and focuses on the use of expert judgment, concluding that some of them appear to exemplify "bad science." That aside, she argues that 1,000 year predictions cannot be made from current knowledge of geology or, e.g., institutional behavior and concludes that permanent disposal of radioactive waste is currently impossible.


Testing The Role Of Technical Information In Public Risk Perception, Branden B. Johnson, Peter M. Sandman, Paul Miller Sep 1992

Testing The Role Of Technical Information In Public Risk Perception, Branden B. Johnson, Peter M. Sandman, Paul Miller

RISK: Health, Safety & Environment (1990-2002)

It is widely believed that more detail about health effects and likely exposure routes is apt to reduce citizens' concerns about low-probability Risks. The authors' study suggests that providing such detail may not be as useful as, e.g., addressing public concerns and keeping citizens current on officials' actions.


Book Review, Peter C. Christensen Sep 1992

Book Review, Peter C. Christensen

RISK: Health, Safety & Environment (1990-2002)

Review of: MARY R. ENGLISH, SITING LOW-LEVEL RADIOACTIVE WASTE DISPOSAL FACILITIES: THE PUBLIC POLICY DILEMMA. (Quorum Books 1992) [278 pp.], Appendices, index, introduction, references. LC-91-42774; ISBN 0-89930-560-1. [$49.95 cloth. One Madison Avenue, New York NY 10010.]


Field Calibration Of A Transient Model For Broiler Misting, Richard S. Gates, Douglas G. Overhults, Robert W. Bottcher, Shu Hui Zhang Sep 1992

Field Calibration Of A Transient Model For Broiler Misting, Richard S. Gates, Douglas G. Overhults, Robert W. Bottcher, Shu Hui Zhang

Biosystems and Agricultural Engineering Faculty Publications

A transient model to predict temperature within a tunnel ventilated broiler house during misting is developed. The model is calibrated with field data to obtain steady-state constants; transient predictions are compared to measured temperatures during cyclic misting for two different size birds. Measured temperatures during cyclic misting are shown to swing between steady-state asymptotes predicted from the model. Transient response of the model was faster than measured temperature data, in part due to temperature sensor dynamic response. The model predicts the length-wise temperature profile within the building during misting, and can be used to investigate alternate misting strategies and designs. …


The Probe, Issue 125 - September 1992 Sep 1992

The Probe, Issue 125 - September 1992

The Probe: Newsletter of the National Animal Damage Control Association

THE PROBE
National Animal Damage Control Association
SEPTEMBER 1992
Bird Strike Committee USA Is Born
Calendar of Upcoming Events
Positions Available
"Wire" Grid Excludes Cormorants from Commercial Catfish Ponds
"Pesticides to 1995" Available
Animal Damage Control in the News:
Arizona Update From WLFA
Ducks Scared For Own Good
California Activists Convicted For Tule Elk Hunt Disruption
Ace Hardware Stops Support for “Kind News” Publication
Attack on California Girl, 5, Results in Coyote Hunt
Norplant for Beavers?
Fifth Eastern Wildlife Damage Control Conference Proceedings.


Wildlife Damage News, Volume 3, Summer/Fall 1992 Sep 1992

Wildlife Damage News, Volume 3, Summer/Fall 1992

Wildlife Damage News

CONTENTS:
New York's Beaver Management Program: An Update
Species Profile—White-tailed Deer
1992 Bureau of Wildlife Coyote Damage Control Workshop
Norplant for Beavers?
Harvest Season Wildlife Damage Reminders
Birds of Prey Assist Farmers
Putting People First


The Prairie Naturalist Volume 24, No.3 September 1992 Sep 1992

The Prairie Naturalist Volume 24, No.3 September 1992

The Prairie Naturalist

VESICULAR-ARBUSCULAR MYCORRHIZAE IN BLOWOUT PENSTEMON ▪ T. R. Flessner and J. Stubbendieck

STATUS OF HAPLOPAPPUS FREMONTII A. GRAY SSP. MONOCEPHALUS (A. NELSON) HALL [ASTERACEAE] IN COLORADO ▪ K.A. Schulz and R.B. Shaw

HABITAT CHANGES ABOVE AND BELOW WATER PROJECTS ON THE NORTH PLATTE AND SOUTH PLATTE RIVERS IN NEBRASKA ▪ P. M. McDonald and J.G. Sidle

INSECT FLORAL VISITORS TO FOUR SPECIES OF TALL-GRASS PRAIRIE COMPOSITE (ASTERACEAE: HELIANTHEAE) ▪ J. A. Dickinson and M. J. McKone

SUMMER BIRD USE OF KANSAS WINDBREAKS ▪ T.T. Cable, R.L. Schroeder, V. Brack, Jr., and P.S. Cook

RING-NECKED PHEASANTS AND FOOD PLOT SIZE (GALLIFORMES: …


An Environmental Audit Management Plan For The Royal Australian Air Force, Warren L. Lear Sep 1992

An Environmental Audit Management Plan For The Royal Australian Air Force, Warren L. Lear

Theses and Dissertations

The purpose of this research was to develop an Environmental Audit Management Plan (EAMP) tailored to meet the specific requirements of the Royal Australian Air Force (RAAF). The research also examined the resources which would be required to introduce the proposed EAMP into the RAAF. The literature on environmental compliance auditing identifies a number of essential characteristics required for an effective environmental auditing program. These characteristics, in conjunction with the USEPA design guidelines for the development of audit programs for government agencies, were used to guide the development of the RAAF EAMP. Information on Australian environmental legislation, DOD/RAAF policies and …


Dissolved Oxygen Measurements In The Machipongo River System Near Willis Wharf, Virginia, Bruce Neilson, Cheol Mo, Rodney Jackson Sep 1992

Dissolved Oxygen Measurements In The Machipongo River System Near Willis Wharf, Virginia, Bruce Neilson, Cheol Mo, Rodney Jackson

Reports

Most aquatic organisms require· oxygen to survive and consequently, the dissolved oxygen (DO) content of the water is one of the most important measures of water quality. Sources of oxygen are the atmosphere and photosynthesis. Oxygen is consumed by plants and animals during respiration and by microorganisms that decompose organic matter. The more sources and sinks of oxygen, the more difficult it is to understand and predict the oxygen dynamics of a river system. Grossly polluted systems turn out to be quite simple, because the pollutant source dominates. Natural, unimpacted systems often show a balance between a number of sources …


Morphometrics Of The Family Emballonuridae, Patricia W. Freeman, Cliff A. Lemen Sep 1992

Morphometrics Of The Family Emballonuridae, Patricia W. Freeman, Cliff A. Lemen

School of Natural Resources: Faculty Publications

Morphometric analysis revealed three distinctive groups among the genera of emballonurids. Taphozous-Saccolaimus is a group distinctive in size and shape, particularly cranially. Diclidurids are distinctive in appendicular characters only, especially those in the wing. The third group include all other emballonurids. Phylogenetic studies also separated Taphozous-Saccolaimus as distinctive but included diclidurids among other New World species. Compared with molossids, emballonurids are morphometrically quite homogeneous.


Relationship Between Ground And Surface Water Quality In Karst Systems, Richard L. Meyer Sep 1992

Relationship Between Ground And Surface Water Quality In Karst Systems, Richard L. Meyer

Arkansas Water Resources Center Technical Reports

Springs in Northwest Arkansas may originate from relatively small fractures in rock strata or from cave systems. The water emerging from these springs is frequently used as water sources for plants, animals and humans. The quality of the ground water source and the emerging water are uncertain and frequently unknown. In addition, the opportunity to monitor changes in water quality during flow from origin (water entering the cave) to emergence is uncommon. Cave systems with definable drainage basins and accessible sampling points near the midpoint of the cave are also uncommon. Examining the interface between the quality of surface water …


Interim Nutrient Budgets For Tampa Bay, Gerold Morrison Aug 1992

Interim Nutrient Budgets For Tampa Bay, Gerold Morrison

Reports

This report addresses one task of the nutrient monitoring project, the development of "interim" (i.e., preliminary) annual budgets for the macronutrients nitrogen and phosphorus in Tampa Bay's major sub-basins. For the purposes of the report, those sub-basins are defined as Hillsborough Bay (HB) , Old Tampa Bay (OTB) , Middle Tampa Bay (MTB) , and Lower Tampa Bay (LTB). The report uses the 1 Environmental Protection commission of Hillsborough County (EPCHC) database and other available info:mation in,an attempt to identify and quantify major sources and slnks for nltrogen and phosphorus within the Tampa Bay system.

The report is organized in …


Modification Of The Stilling Basin At Arthur R. Bowman Dam, Oregon To Reduce Dissolved Gas Supersaturation, Perry Johnson Aug 1992

Modification Of The Stilling Basin At Arthur R. Bowman Dam, Oregon To Reduce Dissolved Gas Supersaturation, Perry Johnson

United States Bureau of Land Management: Staff Publications

A physical model study was conducted in the Hydraulics Laboratory of the us Bureau of Reclamation to develop a modification for the stilling basin at Arthur R. Bowman Dam, Oregon. Flow through the existing stilling basin generates supersaturated dissolved gas levels that exceed state standards. Alternatives stilling basin designs were considered. Resulting dissolved gas levels, modified energy dissipation, and potential structure and river bottom and bank erosion were evaluated.


Innovative Spillway Designs, Thomas Hepler Aug 1992

Innovative Spillway Designs, Thomas Hepler

United States Bureau of Land Management: Staff Publications

Research performed by the ASCE Hydraulics Division - Task Committee on Alternatives for Overtopping Protection for Dams includes the investigation of innovative spillway designs. This paper briefly describes the design and construction of labyrinth spillways, fuseplug embankments, and flexible membrane spillways. A more detailed discussion will be included in the final report of the Task Committee.


Study Of Groins On The Middle Rio Grande, Drew Baird, Cassie Klump Aug 1992

Study Of Groins On The Middle Rio Grande, Drew Baird, Cassie Klump

United States Bureau of Land Management: Staff Publications

The Albuquerque Projects Office of the Bureau of Reclamation installed groins on the Middle Rio Grande to provide bank protection at a severe bend located near Santa Clara Indian Pueblo, approximately 75 miles (121 kIn) upstream of Albuquerque, New Mexico. During the first season of operation of the groins, a discharge near the 2 year design flood of 7,600 ft.3 /s (215 m3 /s) was experienced at the site. Many of the groins showed damage following the recession of the runoff, but performed well at the site. Replacement of riprap will be accomplished before the next runoff season.


User Interface For Pipe Network Program, Istvan Lippai Aug 1992

User Interface For Pipe Network Program, Istvan Lippai

United States National Park Service: Publications

The importance of providing proper user interfaces for computer solutions to engineering problems is not always recognized. Without a proper user interface, even the best engineering program is of lesser value to the practicing professional. Training courses are regularly offered for some of the better known programs where a significant amount of time is spent learning the data input functions of the program. This paper discusses a programming technique using doubly linked lists (DLL) and data transfer that can result in the development of effective user interfaces.


Steady And Unsteady Flow Profiles In Reclamation, Curtis Orvis Aug 1992

Steady And Unsteady Flow Profiles In Reclamation, Curtis Orvis

United States Bureau of Land Management: Staff Publications

The Bureau of Reclamation owns and operates over 300 dams throughout the 17 western states. For most of these structures, tailwater measurements and steady-state water surface profile computations have been made using the PSEUDO program. Accuracy in water surface profile computations especially downstream from powerplants has been important. Small changes in differential head can mean large changes in power production and associated revenues generated. Peaking operations and flow fluctuations downstream from some dams has made flow conditions unsteady. The DWOPER program has been used to evaluate tailwater conditions under fluctuating flows at a number of sites. The STARS model was …


Channel Restoration Above Elephant Butte Reservoir, Christopher A. Gorbach Aug 1992

Channel Restoration Above Elephant Butte Reservoir, Christopher A. Gorbach

United States Bureau of Land Management: Staff Publications

The Bureau of Reclamation is responsible for maintenance of channel facilities above Elephant Butte Reservoir in New Mexico. These facilities are designed to maximize the efficiency of water delivery into the reservoir pool. The major facilities operated and maintained by Reclamation include a rectified floodway channel and the Low Flow Conveyance Channel. When constructed in the 1950's, a period of prolonged drought and low reservoir levels, these channels extended some 20 (32 Ion) miles through then dry areas of the reservoir.

Between 1979 and 1987 flows in the Rio Grande were significantly above normal. Elephant Butte Reservoir filled for the …


Water Current, Volume 24, August 1992 Aug 1992

Water Current, Volume 24, August 1992

Water Current Newsletter

Future Water Quality Protection, Coordination, Education, Research and Regulatory Activities Needed
NRDs Commemorate 50 Millionth Tree
Report from the Director: Water Research Top Priority
National Water Information Clearinghouse Workshops Issue Executive Report
What Do We Do Till the Well Runs Dry?
Missouri River Basin Tour Focuses on Surface Water Management in South Dakota and North Dakota
1992 Nebraska Water Legislation
Hardy-Superior Spa Water Quality Regulations
Study: Most Farmers Protect Groundwater
Nebraska Water Groups and Associations


Recent Criteria For Design Of Groins, Cassie Klump, Drew Baird Aug 1992

Recent Criteria For Design Of Groins, Cassie Klump, Drew Baird

United States Bureau of Land Management: Staff Publications

Groins are defined as an elongated obstruction with one end on the bank of a stream and the other end projecting into the flow. Groins may be permeable allowing water to flow through at reduced velocities or impermeable blocking the current. Groins have been used successfully for river bank protection since the 19th century. Extensive research was conducted to determine the most recent design criteria for groins.

The criteria necessary to design a groin field are:
1. groin orientation;
2. length and spacing of groins;
3. predicting scour at groins;
4. elevation of groin crest;
5. groin side slopes and …


Development Of A Decision Support System For Drought Characterization And Management: Application To Lexington, Kentucky, Lindell E. Ormsbee, Ashu Jain Aug 1992

Development Of A Decision Support System For Drought Characterization And Management: Application To Lexington, Kentucky, Lindell E. Ormsbee, Ashu Jain

KWRRI Research Reports

This report presents the results of an investigation into the potential use of expert system technology as an effective tool for drought forecasting and management. Historical data derived from the Kentucky River Basin was used to test the resulting decision support system. This study has demonstrated that expert system technology can serve as an effective platform for use in assisting the decision maker in both characterizing the nature of an existing drought and in selecting and implementing the required management policy.

The success of any decision making process will of course be dependent upon the quality of the data upon …