Plants, People, and Environmental Quality: A Study of Plants and Their Environmental Functions, Page 69
U.S. Department of the Interior, National Park Service, 1972 - Landscape architecture - 136 pages
Description of the function of plants and the ways in which plants can improve the condition of man.
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absorb absorption Acoustical AIR FLOW air pollution ARBORVITAE architectural elements atmosphere barrier beech belt block branches building canopy carbon dioxide Christopher Alexander climate color coniferous conifers create cultural decibels deciduous deciduous trees dense density direct distance dust effectiveness of plants environment environmental designer esthetic evergreen exterior spaces feet filter foliage forest functional glare and reflection Golden Willow Goldfinger green areas ground cover heat HEDGE height Highway Research human INTERCEPTION LANDFORMS landscape Landscape Architects large space layers leaves leeward light manmade ment meters natural natural environment Noise Reduction O.C.WINTER object oxygen Park particles penetrable percent plant materials planting designer pollution precipitation privacy control reaching the ground reduced ROSA MULTIFLORA rows screening shade SHEARED shelter shelterbelt shrubs snow solar radiation sound level studies surface texture tion traffic control Traffic Noise urban viewer visual wall width wind gradients wind speed wind velocity windbreak zone