A Computer Method For Determining Upper Canopy Closure At El Verde Puerto Rico
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A Computer Method For Determining Upper Canopy Closure At El Verde Puerto Rico
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Author : A. Paul Desmarais
language : en
Publisher:
Release Date : 1968
A Computer Method For Determining Upper Canopy Closure At El Verde Puerto Rico written by A. Paul Desmarais and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Computer programs categories.
A Computer Method For Determining Upper Canopy Closure At El Verde Puerto Rico
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Author : A. Paul Desmarais
language : en
Publisher:
Release Date : 1968
A Computer Method For Determining Upper Canopy Closure At El Verde Puerto Rico written by A. Paul Desmarais and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Computer programs categories.
Coverage of tree crowns (canopy closure) was studied along with other basic structural attributes of El Verde, Puerto Rico, test sites where canopy closure approaches a maximum (100 percent) in the dense rain forest. There are several methods of determining closure values. Any of these can be used in determining percent coverage by species or by structural type, or on any other basis. The fact that tree crowns overlap, sometimes quite extensively, makes it difficult to obtain coverage values by mathematical analysis because computations involving overlapping circles are mathematically complicated. To resolve the difficulty, a computer method was devised that converts the circular crown areas into squares of approximate equivalent area and calculates crown coverage and canopy closure on this basis. The method is described, and the results are compared with the more tedious manual methods. Three groups of plants were used as bases for closure determinations and comparisons. They were (a) all plants at the El Verde sites above 5 m in height; (b) all plants of the two most predominant species, Dacryodes excelsa Vahl and Sloanea berteriana Choisy, 5 to 13 m in height; and (c) all plants of the same species 13 m or more in height. The mathematical approach used to write the computer program is included as Appendix A. (Author).
Government Reports Announcements
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Author :
language : en
Publisher:
Release Date : 1971
Government Reports Announcements written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Research categories.
Government Reports Index
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Author :
language : en
Publisher:
Release Date : 1971
Government Reports Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Engineering categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1971
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Science categories.
Technical Abstract Bulletin
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Author :
language : en
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Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Science categories.
Publications Available For Purchase U S Army Engineer Waterways Experiment Station And Other Corps Of Engineers Agencies
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Author :
language : en
Publisher:
Release Date : 1969
Publications Available For Purchase U S Army Engineer Waterways Experiment Station And Other Corps Of Engineers Agencies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
Contents: Reports from U.S. Army Engineer Waterways Experiment Station and St. Paul District Hydraulic Laboratory; Reports published and distributed by Waterways Experiment Station for other Corps of Engineers agencies; Engineer manuals.
List Of Publications Of The U S Army Engineer Waterways Experiment Station
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Author : U.S. Army Engineer Waterways Experiment Station
language : en
Publisher:
Release Date : 1976
List Of Publications Of The U S Army Engineer Waterways Experiment Station written by U.S. Army Engineer Waterways Experiment Station and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Hydraulic engineering categories.
List Of Publications Of The U S Army Engineers Waterway Experiment Station
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Author : United States. Army. Corps of Engineers
language : en
Publisher:
Release Date : 1976
List Of Publications Of The U S Army Engineers Waterway Experiment Station written by United States. Army. Corps of Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
List Of Publications Of The U S Army Engineer Waterways Experiment Station
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Author : Waterways Experiment Station (U.S.)
language : en
Publisher:
Release Date : 1973
List Of Publications Of The U S Army Engineer Waterways Experiment Station written by Waterways Experiment Station (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Hydraulic engineering categories.