[PDF] Process Design Manual eBook

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Process Design Manual for Nitrogen Control

United States. Environmental Protection Agency. Office of Technology Transfer
Process Design Manual for Nitrogen Control by United States. Environmental Protection Agency. Office of Technology Transfer PDF

Author : United States. Environmental Protection Agency. Office of Technology Transfer
Publisher :
Page : 466 pages
File Size : 39,36 MB
Release : 1975
Category : Nitrification
ISBN :

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Low-Tech Process-Based Restoration of Riverscapes

Joseph M. Wheaton
Low-Tech Process-Based Restoration of Riverscapes by Joseph M. Wheaton PDF

Author : Joseph M. Wheaton
Publisher : Usu Restoration Consortium
Page : 0 pages
File Size : 29,79 MB
Release : 2019-06-29
Category : Science
ISBN : 9781543972993

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The purpose of this design manual is to provide restoration practitioners with guidelines for implementing a subset of low-tech tools--namely beaver dam analogues (BDAs) and post-assisted log structures (PALS)--for initiating process-based restoration in structurally-starved riverscapes. While the concept of process-based restoration in riverscapes has been advocated for at least two decades, details and specific examples on how to implement it remain sparse. Here, we describe 'low-tech process-based restoration' as a practice of using simple, low unit-cost, structural additions (e.g. wood and beaver dams) to riverscapes to mimic functions and initiate specific processes. Hallmarks of this approach include: - An explicit focus on the processes that a low-tech restoration intervention is meant to promote.- A conscious effort to use cost-effective, low-tech treatments (e.g., hand-built, natural materials, non-engineered, short-term design life-spans) because of the need to efficiently scale-up application.- 'Letting the system do the work', which defers critical decision making to riverscapes and nature's ecosystem engineers.

EPA 625/1

EPA 625/1 by PDF

Author :
Publisher :
Page : 304 pages
File Size : 16,7 MB
Release : 1976-04
Category :
ISBN :

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