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Articles 1 - 12 of 12
Full-Text Articles in Physical Sciences and Mathematics
Energy Assessment Of Smithtown, New York, Allyson Murray, David J. Tonjes
Energy Assessment Of Smithtown, New York, Allyson Murray, David J. Tonjes
Technology & Society Faculty Publications
Energy management and carbon mitigation plans, often created to address global issues, must be implemented locally. Each specific area has its own needs and problems. For this study, we used publicly available data to create an energy assessment for the Town of Smithtown, a municipality of 116,000 people on the north shore of Long Island (New York). We found that motor vehicles consume the largest amount of energy, followed by space heating for both residential and commercial-industrial purposes. Local policies probably can only modestly affect transportation energy use, although federal policies may have significant effects over the next several decades. …
Cost Effectiveness Of Recycling: A Systems Model, David J. Tonjes, Sreekanth Mallikarjun
Cost Effectiveness Of Recycling: A Systems Model, David J. Tonjes, Sreekanth Mallikarjun
Technology & Society Faculty Publications
Financial analytical models of waste management systems have often found that recycling costs exceed direct benefits, and in order to economically justify recycling activities, externalities such as household expenses or environmental impacts must be invoked. Certain more empirically based studies have also found that recycling is more expensive than disposal. Other work, both through models and surveys, have found differently. Here we present an empirical systems model, largely drawn from a suburban Long Island municipality. The model accounts for changes in distribution of effort as recycling tonnages displace disposal tonnages, and the seven different cases examined all show that curbside …
A Classification Methodology For Landfill Leachates, David J. Tonjes
A Classification Methodology For Landfill Leachates, David J. Tonjes
Technology & Society Faculty Publications
A characterization scheme based on landfill leachate chemical signatures could support studies of leachate evolution over time, liner performance, and help confirm or disprove potential leachate contamination of groundwater. Wide variations in single constituents across time, sites, and site practices, and inconsistencies related to common bivariate measures suggest a robust, multivariate analysis could be useful. A variant Stiff diagram approach (a subjective analytical comparison of soluble salts) has been developed, and supports graphical depictions of multiple samples. The hypothesis is that leachates with similar chemistry form clusters, and this was tested using a data set of 652 samples from 26 …
Degradable Plastics And Solid Waste Management Systems, David J. Tonjes, Krista L. Thyberg
Degradable Plastics And Solid Waste Management Systems, David J. Tonjes, Krista L. Thyberg
Technology & Society Faculty Publications
Plastics, which are woven into the fabric of modern life, have consequential impacts on the environment. Many of these are associated with end-of-lifetime processes, and include chemical contamination of the environment and effects from litter. Plastics also complicate waste management processes, causing contamination in composting operations, and having poor recovery rates through recycling. Plastics that are not as biologically recalcitrant, that decompose when use is done, have been perceived as solutions to at least some of these problems. The first generation of degradable plastics did not meet marketing claims; some of the more recent formulations, partly as a consequence of …
Municipal Waste Management: Suffolk County Municipal Systems, Services And Infrastructure, Krista L. Greene, Susan Lienau, David J. Tonjes
Municipal Waste Management: Suffolk County Municipal Systems, Services And Infrastructure, Krista L. Greene, Susan Lienau, David J. Tonjes
Technology & Society Faculty Publications
This report describes the municipal waste management systems used by local governments to manage solid waste in Suffolk County, Long Island, New York. There are ten Towns that serve as the primary planners for waste systems in Suffolk County. Many of the 33 villages in Suffolk County have established their own waste management programs and policies. All programs tend to follow the same general plan of the approaches used by their respective Towns, however. All programs provide some degree of recycling services, although the scope of the services varies tremendously.
Mid-Ir Emissivity Spectra Of Mg- And Ca- Carbonates, Oxides, And Hydroxides, Timothy Glotch
Mid-Ir Emissivity Spectra Of Mg- And Ca- Carbonates, Oxides, And Hydroxides, Timothy Glotch
Geosciences Research Data
We used three methods—spectral index mapping, linear spectral mixture analysis, and factor analysis and target transformation—to determine if carbonate decomposition products, including lime (CaO), periclase (MgO), portlandite (Ca(OH)2), and brucite (Mg(OH)2), are present on the surface of Mars. Using an expanded spectral library that includes decomposition products of calcite and magnesite, we deconvolved a binned emissivity data set from the Mars Global Surveyor Thermal Emission Spectrometer (MGS-TES). The deconvolution model indicates that anhydrous carbonates are not present at kilometer scales above the TES detection limit; however, carbonate decomposition products may be present at or above the TES detection limit in …
Front Matter, Konstantin Likharev
Front Matter, Konstantin Likharev
Essential Graduate Physics
Includes: Copyright and License; Preface; Disclaimer; Versions, Corrections, and Acknowledgments; Solution Request Templates; Notation; General Table of Contents
Part Qm: Quantum Mechanics, Konstantin Likharev
Part Qm: Quantum Mechanics, Konstantin Likharev
Essential Graduate Physics
Includes: Introduction; 1D Wave Mechanics; Higher Dimensionality Effects; Bra-ket Formalism; Some Exactly Solvable Problems; Perturbation Theories; Open Quantum Systems; Multiparticle Systems; Introduction to Relativistic Quantum Mechanics; Making Sense of Quantum Mechanics
Part Sm: Statistical Mechanics, Konstantin Likharev
Part Sm: Statistical Mechanics, Konstantin Likharev
Essential Graduate Physics
Includes: Review of Thermodynamics; Principles of Physical Statistics; Ideal and Not-So-Ideal Gases; Phase Transitions; Fluctuations; Elements of Kinetics
References, Appendices & All Parts Merged, Konstantin Likharev
References, Appendices & All Parts Merged, Konstantin Likharev
Essential Graduate Physics
Includes: Appendix MA: Selected Mathematical Formulas; Appendix CA: Selected Physical Constants; References; EGP merged file (all parts, appendices, and references)
Part Em: Classical Electrodynamics, Konstantin Likharev
Part Em: Classical Electrodynamics, Konstantin Likharev
Essential Graduate Physics
Includes: Electric Charge Interaction; Charges and Conductors; Polarization of Dielectrics; DC Currents; Magnetism; Time-Dependent Electromagnetism; Electromagnetic Wave Propagation; Radiation, Scattering, Interference, and Diffraction; Special Relativity; Radiation by Relativistic Charges
Part Cm: Classical Mechanics, Konstantin Likharev
Part Cm: Classical Mechanics, Konstantin Likharev
Essential Graduate Physics
Includes: Review of Fundamentals; Lagrangian Formalism; A Few Simple Problems; Oscillations; From Oscillations to Waves; Rigid Body Motion; Deformations and Elasticity; Fluid Mechanics; Deterministic Chaos; A Bit More of Analytical Mechanics