| Description |
1 online resource (316 pages) |
| Contents |
""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"" |
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""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"" |
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""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"" |
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""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"" |
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""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"" |
| Notes |
""Criteria for evaluating source identification and apportionment methods"" |
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Print version record |
| Subject |
Haze -- Environmental aspects -- United States
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Visibility -- United States
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Air quality management -- United States
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National parks and reserves -- United States.
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Wilderness areas -- United States.
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Air quality management
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Haze -- Environmental aspects
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National parks and reserves
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Visibility
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Wilderness areas
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United States
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| Form |
Electronic book
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| ISBN |
9780309562492 |
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030956249X |
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