Protecting Visibility in National Parks and Wilderness Areas

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Size: 316 pages, 6 x 9

Publication Year:1993

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PAPERBACK ISBN-10: 0-309-04844-3 ISBN-13: 978-0-309-04844-6	$40.00	Add to Cart

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Authors:
Committee on Haze in National Parks and Wilderness Areas, National Research Council
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Scenic vistas in most U.S. parklands are diminished by haze that reduces contrast, washes out colors, and renders distant landscape features indistinct or invisible.
Protecting Visibility in National Parks and Wilderness Areas describes the current understanding of the nature and extent ...
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Table of Contents
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Front Matter	i-xviii
Executive Summary	1-18	(skim)
1 Introduction	19-28	(skim)
2 Visibility Conditions in the United States	29-56	(skim)
3 Legal and Institutional Context	57-80	(skim)
4 Haze Formation and Visibility Impairment	81-142	(skim)
5 Source Identification and Apportionment Methods	143-208	(skim)
6 Emission Controls and Visibility	209-238	(skim)
7 Conclusions and Recommendations	239-264	(skim)
References	265-314	(skim)
Appendix A: Scientific Background Information	315-324	(skim)
Appendix B: Measurement Methods	325-358	(skim)
Appendix C: Source Identification and Apportionment Models	359-406	(skim)
Appendix D: Control Techniques	407-440	(skim)
Appendix E: Comparing Visibility Control Strategies	441-447	(skim)

Description

Scenic vistas in most U.S. parklands are diminished by haze that reduces contrast, washes out colors, and renders distant landscape features indistinct or invisible.
Protecting Visibility in National Parks and Wilderness Areas describes the current understanding of the nature and extent of haze in various regions of the United States. The book addresses the scientific and legal framework of efforts to protect and improve visibility, as well as methods for assessing the relative importance of anthropogenic emission sources that contribute to haze in national parks and for considering various alternative source control measures.
The volume provides guidance on how to make progress toward the national goal of correcting and preventing visibility impairment due to human activities affecting large national parks and wilderness areas.

Protecting Visibility in National Parks and Wilderness Areas

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