Protecting visibility in national parks and wilderness areas
Auteur :
Committee on Haze In National Parks and Wilderness Areas / Committee on Haze In National Parks and Wilderness AreasCommission on Geosciences, Environment and Resources,Division on Earth and Life Studies,National Research Council,National Academy of Sciences,
Éditeur :
National Academies Press
ISBN :
9780309048446
Date de publication :
1 janv. 1993
Dimensions :
22,9 x 15,2 x 3,2 cm
Poids :
748 g
Langue :
Anglais
Pays d'origine :
USA
Describes an understanding of the nature and extent of haze in various regions of the United States. This 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.