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- Sustainable Use of the West's Water (Summer Conference, June 12-14) (15)
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Articles 1 - 30 of 103
Full-Text Articles in Physical Sciences and Mathematics
Bulletin No. 34: Tidal Marshes Of Long Island Sound: Ecology, History And Restoration, Glenn D. Dreyer, William A. Niering
Bulletin No. 34: Tidal Marshes Of Long Island Sound: Ecology, History And Restoration, Glenn D. Dreyer, William A. Niering
Bulletins
No abstract provided.
Complex Dynamics And Multistability In A Damped Harmonic Oscillator With Delayed Negative Feedback, Sue Ann Campbell, Jacques Bélair, Toru Ohira, John Milton
Complex Dynamics And Multistability In A Damped Harmonic Oscillator With Delayed Negative Feedback, Sue Ann Campbell, Jacques Bélair, Toru Ohira, John Milton
WM Keck Science Faculty Papers
A center manifold reduction and numerical calculations are used to demonstrate the presence of limit cycles, two-tori, and multistability in the damped harmonic oscillator with delayed negative feedback. This model is the prototype of a mechanical system operating with delayed feedback. Complex dynamics are thus seen to arise in very plausible and commonly occurring mechanical and neuromechanical feedback systems.
The Prairie Naturalist Volume 27, No.4 December 1995
The Prairie Naturalist Volume 27, No.4 December 1995
The Prairie Naturalist
NEW DISTRIBUTIONAL RECORDS FOR MAMMALS IN KANSAS · D. W Sparks and J. R. Choate
CLAY-COLORED SPARROWS IN NORTH DAKOTA PARASITIZED BY BROWN-HEADED COWBIRDS ▪ G. P. Romig and R. D. Crawford
A NOTEWORTHY RECORD AND THE BREEDING DISTRIBUTION OF THE BLUE GROSBEAK IN NORTH DAKOTA ▪ L. D. Igl
NEAR LONGEVITY RECORD FOR THE SNOW GOOSE ▪ M T. Koenen and D. M. Leslie, Jr.
COMPARISON OF WATER CONSUMPTION BETWEEN TWO GRASSLAND EMBERIZIDS ▪ J. L. Zimmerman
FACTORS ASSOCIATED WITH DECLINING PROPORTION OF CITIZENS HUNTING IN SOUTH DAKOTA ▪ N. J. Dietz, K. F. Higgins, and R. D. Mendelsohn …
Simulation Modeling Within Workflow Technology, John A. Miller, Amit P. Sheth, Krzysztof J. Kochut, Xuzhong Wang, Arun Murugan
Simulation Modeling Within Workflow Technology, John A. Miller, Amit P. Sheth, Krzysztof J. Kochut, Xuzhong Wang, Arun Murugan
Kno.e.sis Publications
This paper presents an approach for integrating simulation modeling and analysis capabilities within the workflow management system (WFMS) being developed in the Large Scale Distributed Information Systems (LSDIS) Lab at the University of Georgia. Simulation modeling can be used for studying the efficiency of workflow designs as well as studying the general performance and reliability of WFMSs. We also discuss the importance of using sophisticated monitoring and animation capabilities, and the use of workflow management technology to advance simulation technology itself. Finally, we demonstrate a sample simulation where tasks and task managers are simulated.
The Magnitude And Persistence Of Soil No, N2o, Ch4, And Co, Fluxes From Burned Tropical Savanna In Brazil, M Poth, Iris C. Anderson, Et Al
The Magnitude And Persistence Of Soil No, N2o, Ch4, And Co, Fluxes From Burned Tropical Savanna In Brazil, M Poth, Iris C. Anderson, Et Al
VIMS Articles
Among all global ecosystems, tropical savannas are the most severely and extensively affected by anthropogenic burning. Frequency of fire in cerrado,a type of tropical savanna covering 25% of Brazil, is 2 to 4 years. In 1992 we measured soil fluxes of NO, N2O, CH4, and CO2 from cerrado sites that had been burned within the previous 2 days, 30 days, 1 year, and from a control site last burned in 1976. NO and N2O fluxes responded dramatically to fire with the highest fluxes observed from newly burned soils after addition of water. Emissions of N-trace gases after burning were of …
On The Equivalence Of Upward And Downward Inheritance Reasoners, Krishnaprasad Thirunarayan
On The Equivalence Of Upward And Downward Inheritance Reasoners, Krishnaprasad Thirunarayan
Kno.e.sis Publications
In this paper, we analyze systematically the downward (property flow) and the upward (individual flow) views of inheritance for different categories of inheritance networks. We observe that both these views assign the same meaning to tree-structured hierarchies, and explain the divergence in the interpretation of more general networks in terms of their expressive power. This simple analysis sheds light on the inherent nature of nonmonotonic inheritance and can form the basis for the design of efficient algorithms for certain classes of queries. In addition, we describe the notion of preferential inheritance to specify additional conflict resolution information that can be …
No-Till Sowing Systems In North America With Relevance To Western Australia, K J. Bligh
No-Till Sowing Systems In North America With Relevance To Western Australia, K J. Bligh
Resource management technical reports
No abstract provided.
Federal Lands And Watershed Based Management Approaches, Teresa Rice
Federal Lands And Watershed Based Management Approaches, Teresa Rice
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
12 pages.
Contains 1 footnote and 1 page of references.
Watershed Based Efforts: The Applegate Partnership Of Southwest Oregon, Jack Shipley
Watershed Based Efforts: The Applegate Partnership Of Southwest Oregon, Jack Shipley
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
15 pages.
Abdication Can Be Fun, Join The Orgy, Everyone: A Simpleton’S Perspective On Abdication Of Federal Land Management Responsibilities, George Cameron Coggins
Abdication Can Be Fun, Join The Orgy, Everyone: A Simpleton’S Perspective On Abdication Of Federal Land Management Responsibilities, George Cameron Coggins
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
14 pages.
Sharing Public Land Decision Making: The Quincy Library Group Experience [Includes First Three Items From Appendix A], Michael B. Jackson
Sharing Public Land Decision Making: The Quincy Library Group Experience [Includes First Three Items From Appendix A], Michael B. Jackson
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
25 pages (includes illustrations).
Contains 1 reference.
Includes first three items from Appendix A.
State Primacy, Federal Consistency Or Federal-State Consensus: Can Cooperative Federalism Models From Other Laws Save The Public Lands?, Hope M. Babcock
State Primacy, Federal Consistency Or Federal-State Consensus: Can Cooperative Federalism Models From Other Laws Save The Public Lands?, Hope M. Babcock
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
18 pages.
Contains references.
The Natural Resource Law Center Conference On “Challenging Federal Ownership And Management Public Lands And Public Benefits”, Frank H. Murkowski
The Natural Resource Law Center Conference On “Challenging Federal Ownership And Management Public Lands And Public Benefits”, Frank H. Murkowski
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
8 pages.
Thinking The Unthinkable: States As Public Land Managers, Sally K. Fairfax
Thinking The Unthinkable: States As Public Land Managers, Sally K. Fairfax
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
27 pages.
Contains references.
Reforming Public Land Management With New Incentives, Randal O'Toole
Reforming Public Land Management With New Incentives, Randal O'Toole
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
9 pages.
Contains references.
Back To The Future: Privatizing The Federal Estate, Terry L. Anderson
Back To The Future: Privatizing The Federal Estate, Terry L. Anderson
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
5 pages.
Contains references.
A History Of The Public Lands Debate, Patricia Nelson Limerick
A History Of The Public Lands Debate, Patricia Nelson Limerick
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
22 pages.
The Benefits Of Professional Public Land Management, Elizabeth Estill
The Benefits Of Professional Public Land Management, Elizabeth Estill
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
13 pages (includes illustration).
Contains references.
Faculty Addendum, Gregg Renkes
Faculty Addendum, Gregg Renkes
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
1 page.
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 …
Public Land Policy Is Ripe For Change, James L. Huffman
Public Land Policy Is Ripe For Change, James L. Huffman
Challenging Federal Ownership and Management: Public Lands and Public Benefits (October 11-13)
18 pages.
Tunable Picosecond Infrared Laser System Based On Parametric Amplification In Ktp With A Ti:Sapphire Amplifier, D. E. Gragson, D. S. Alavi, G. L. Richmond
Tunable Picosecond Infrared Laser System Based On Parametric Amplification In Ktp With A Ti:Sapphire Amplifier, D. E. Gragson, D. S. Alavi, G. L. Richmond
Chemistry and Biochemistry
A picosecond laser system that will generate high-power tunable IR pulses with bandwidths suitable for spectroscopic applications is discussed. The system is based on white-light continuum generation in ethylene glycol and optical parametric amplification in potassium titanyl phosphate. The nonlinear-optical processes are driven by a regeneratively amplified Ti:sapphire laser that produces 1.7-ps pulses at a repetition rate of 1 kHz. Energies as high as 40 and 12 µJ have been achieved over the signal (1.02–1.16-µm) and idler (2.6–3.7-µm) tuning ranges, respectively. The IR beam temporal and spatial characteristics are also presented.
Final Report Biological Monitoring Of The Hollywood-Hallandale Beach Renourishment, Richard Dodge, Walter Goldberg, Charles Messing, Steven C. Hess
Final Report Biological Monitoring Of The Hollywood-Hallandale Beach Renourishment, Richard Dodge, Walter Goldberg, Charles Messing, Steven C. Hess
Marine & Environmental Sciences Faculty Reports
A four-year study was undertaken to survey Broward County, Florida (southeast Florida) coral communities and infaunal marine biota in relation to possible effects from the Hollywood- Hallandale Beach renourishment project. Beach restoration involves dredging sand from offshore deposits and placing it on eroded beaches, activities which may cause sedimentation and turbidity. Coral reefs were assessed using transect and quadrat surveys at a total of 15 stations, unevenly distributed between dredging impact (n=9) and control (n=6) areas to characterize and quantify populations of sponges, gorgonians, scleractinian corals, as well as other less well represented groups. In addition, the infauna of sand …
Three-Phase Intersection Points In Monolayers, John P. Hagen, Harden M. Mcconnell
Three-Phase Intersection Points In Monolayers, John P. Hagen, Harden M. Mcconnell
Chemistry and Biochemistry
Some phospholipid/dihydrocholesterol Langmuir monolayers form coexisting liquid phases. Gas domains form at the interface between the phospholipid-rich and dihydrocholesterol-rich liquid phases when these monolayers undergo expansion to low surface pressure. Analysis of the domain shapes thus formed yields the relative line tensions of the gas/phospholipid, gas/dihydrocholesterol, and phospholipid/dihydrocholesterol phase interfaces.
The Prairie Naturalist Volume 27, No.3. September 1995
The Prairie Naturalist Volume 27, No.3. September 1995
The Prairie Naturalist
SONGBIRD RESPONSES TO SAGEBRUSH REMOVAL IN A HIGH ELEVATION SAGEBRUSH STEPPE ECOSYSTEM ▪ L L Kerley and S. H Anderson
THE AVIFAUNA OF REMNANT TALLGRASS PRAIRIE NEAR BOULDER, COLORADO ▪ C E Bock, J. H Bock, and B. C Bennett
SHORT -TERM RESPONSES OF SMALL MAMMALS TO AUTUMN FIRE IN TALLGRASS PRAIRIE ▪ B.R. McMillan, D. E Brillhart, G A. Kaufman, and D. W. Kaufman
DIVERGENT SELECTION FOR SEED MASS IN FOXTAIL DALEA ▪ R. Bortnem and A. Boe
NOTES
American Woodcock Use of a Nest Box ▪ D.L. Bergman and J. M. Bergman
BOOK REVIEWS
Iowa's Vascular Plants ▪ …
Nutrient Limitation In A Southwestern Desert Reservoir: Eutrophication Of Las Vegas Bay, Lake Mead, Nevada, Davine M. Lieberman
Nutrient Limitation In A Southwestern Desert Reservoir: Eutrophication Of Las Vegas Bay, Lake Mead, Nevada, Davine M. Lieberman
Publications (WR)
Algal bioassay tests were conducted with Selenastrum capricornutum and natural algae on inner Las Vegas Bay, Lake Mead, Nevada, from December 1992 through September 1993, to identify any nutrient limitation in an area of the reservoir that has experienced problems associated with severe nutrient enrichment. Three areas were sampled based on a gradient of water quality conditions that existed in Las Vegas Bay (LVB). Disodium ethylenedinitrilotetraacetate (EDTA) significantly stimulated algal growth compared to non-EDTA treatment. Algal bioassays indicated that phosphorus (P) was the primary limiting nutrient at all stations for most of the test dates. Chl a response with EDTA …
Behavioral Responses To Pine Needle Oil In The Northern Pocket Gopher, Gisela Epple, Dale L. Nolte, J. Russell Mason, Eugeny Aronov, Shirley Wager-Page
Behavioral Responses To Pine Needle Oil In The Northern Pocket Gopher, Gisela Epple, Dale L. Nolte, J. Russell Mason, Eugeny Aronov, Shirley Wager-Page
National Wildlife Research Center Repellents Conference 1995
For many herbivorous mammals, oils from conifers are feeding repellents. Our study investigated effects of pine needle oil on feeding and other behaviors of northern pocket gophers. In one-choice feeding trials pocket gophers were offered sweet potato from single feeding stations placed into each subject's home cage. Stations contained either a scent dispenser with pine needle oil or with mineral oil. Pine needle oil did not inhibit food retrieval under these conditions. Responses to pine needle oil and to a control odorant, d-pulegone, were also tested in mazes where subjects were offered choices between two goal boxes, each containing food …
Power Systems Marginal Cost Curve And Its Applications, Shaojun Wang, S. M. Shahidehpour, Nian-De Xiang
Power Systems Marginal Cost Curve And Its Applications, Shaojun Wang, S. M. Shahidehpour, Nian-De Xiang
Kno.e.sis Publications
This paper presents a forward recursive procedure to calculate the expected system marginal cost curve (EMC). The EMC formulation allows for multi-state and multi-block dispatch of generating units and is used to determine the optimal energy of pumped-storage units. A new approach is developed to compute the first and second derivatives of the expected generation energy of a thermal unit with respect to the capacity of all thermal units in the system. The salient feature of the proposed approach is that it applies to hydro-thermal systems with multiple limited-energy hydro units.
Processing Results Of Western Australian Wool, John Stanton A/Prof, Lindy Coss, Peter Metcalf
Processing Results Of Western Australian Wool, John Stanton A/Prof, Lindy Coss, Peter Metcalf
Resource management technical reports
Despite a perception by some that Western Australian wool 'processes poorly', this study found that the consignments processed:
1. into longer tops suited for worsted weaving
2. into longer than predicted tops
3. with the same consistency as other Australian consignments
Environments Of The Four Tryptophans In The Extracellular Domain Of Human Tissue Factor: Comparison Of Results From Absorption And Fluorescence Difference Spectra Of Tryptophan Replacement Mutants With The Crystal Structure Of The Wild-Type Protein, C. A. Hasselbacher, E. Rusinova, R. Rusinova, R. A. Kohanski, W. Lam, A. Guha, J. Du, T. C. Lin, I. Polikarpov, C. W. G. Boys, Y. Nemerson, W. H. Konigsberg, J. B. A. Ross
Environments Of The Four Tryptophans In The Extracellular Domain Of Human Tissue Factor: Comparison Of Results From Absorption And Fluorescence Difference Spectra Of Tryptophan Replacement Mutants With The Crystal Structure Of The Wild-Type Protein, C. A. Hasselbacher, E. Rusinova, R. Rusinova, R. A. Kohanski, W. Lam, A. Guha, J. Du, T. C. Lin, I. Polikarpov, C. W. G. Boys, Y. Nemerson, W. H. Konigsberg, J. B. A. Ross
Chemistry and Biochemistry Faculty Publications
The local environments of the four tryptophan residues of the extracellular domain of human tissue factor (sTF) were assessed from difference absorption and fluorescence spectra. The difference spectra were derived by subtracting spectra from single Trp-to-Phe or Trp-to-Tyr replacement mutants from the corresponding spectrum of the wild-type protein. Each of the mutants was capable of enhancing the proteolytic activity of factor Vila showing that the mutations did not introduce major structural changes, although the mutants were more susceptible to denaturation by guanidinium chloride. The difference spectra indicate that the Trp residues are buried to different extents within the protein matrix. …