Protecting Visibility in National Parks and Wilderness Areas.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Staff, National Research Council
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Washington : National Academies Press, 1900.
Temas:
Haze > Environmental aspects > United States.
Visibility > United States.
Air quality management > United States.
National parks and reserves > United States.
Wilderness areas > United States.
Air > Qualité > Gestion > États-Unis.
Parcs nationaux > États-Unis.
Visibilité.
Air quality management
Haze > Environmental aspects
National parks and reserves
Visibility
Wilderness areas
United States
Acceso en línea:Texto completo
Tabla de Contenidos:
  • ""Protecting Visibility in National Parks and Wilderness Areas""; ""Copyright""; ""Preface""; ""Other Recent Reports of the Board on Environmental Studies and Toxicology""; ""Contents""; ""Protecting Visibility in National Parks and Wilderness Areas Executive Summary""; ""THE CHARGE TO THE COMMITTEE""; ""THE COMMITTEE'S APPROACH TO ITS CHARGE""; ""GENERAL CONCLUSIONS AND RECOMMENDATIONS""; ""RECOMMENDED RESEARCH""; ""Monitoring Strategies""; ""Measurement Methods""; ""Source-Apportionment Modeling""; ""Emission Controls""; ""FUTURE DIRECTIONS FOR PROTECTING AND IMPROVING VISIBILITY""
  • ""Protecting Visibility in National Parks and Wilderness Areas""""1 Introduction""; ""HAZE FORMATION AND VISIBILITY IMPAIRMENT""; ""DIFFICULTIES IN DEVELOPING EFFECTIVE PROGRAMS""; ""Scientific Difficulties""; ""Regulatory Difficulties""; ""SCOPE OF THE REPORT""; ""2 Visibility Conditions in the United States""; ""CURRENT VISIBILITY CONDITIONS""; ""Geographical Patterns""; ""Seasonal Patterns""; ""Statistical Patterns""; ""Historical Trends""; ""SOURCES OF VISIBILITY-IMPAIRING MATERIALS""; ""Natural Sources""; ""Anthropogenic Sources""; ""SUMMARY""; ""3 Legal and Institutional Context""
  • ""PRESENT VISIBILITY PROTECTION PROGRAMS""""The Clean Air Act""; ""Relevant Provisions""; ""Basic Principles""; ""Implementation of the Visibility Protection Programs""; ""Funding Issues""; ""State Visibility Protection Programs""; ""Oregon""; ""Washington""; ""Vermont""; ""ALTERNATIVE REGULATORY APPROACHES""; ""Air Quality Management Approach""; ""Technology-Based Approach""; ""Nondegradation Approach""; ""Market-Based Approaches""; ""The Present Visibility Program Compared with Possible Future Approaches""; ""SUMMARY""; ""4 Haze Formation and Visibility Impairment""
  • ""FUNDAMENTALS OF VISIBILITY AND RELATED MEASUREMENTS""""Fundamental Processes in Visibility""; ""Visibility Measurements""; ""Relationship between Particle Concentrations and Visibility""; ""Empirical Relationships between Airborne Particles and Visibility""; ""Aerosol Chemistry and Particle Size Distributions""; ""Particle Optics and Visibility""; ""Some Experimental Difficulties in Aerosol Chemistry Studies""; ""THE ROLE OF METEOROLOGY""; ""Transport""; ""Dispersion""; ""Deposition and Resuspension""; ""Wet Deposition""; ""Dry Deposition""; ""Resuspension of Soil Dust""
  • ""STRATEGIES FOR VISIBILITY MEASUREMENT PROGRAMS""""Criteria for Monitoring Programs""; ""Examples of Visibility Measurement Programs""; ""The Interagency Monitoring of Protected Visual Environments Program""; ""State Programs""; ""Intensive Programs""; ""MODELING OF AEROSOL EFFECTS ON VISIBILITY""; ""Optical Modeling (Mie Theory)""; ""Empirical Optical Models""; ""Perceptual Air-Quality Modeling""; ""EXPERIMENTAL DESIGN, QUALITY ASSURANCE, AND QUALITY CONTROL""; ""SUMMARY AND CONCLUSION""; ""5 Source Identification and Apportionment Methods""

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