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Environmental FlowsSaving Rivers in the Third Millennium$
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Angela H. Arthington

Print publication date: 2012

Print ISBN-13: 9780520273696

Published to California Scholarship Online: May 2013

DOI: 10.1525/california/9780520273696.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 16 September 2021

Introduction to Environmental Flow Methods

Introduction to Environmental Flow Methods

(p.125) 9 Introduction to Environmental Flow Methods
Environmental Flows

Angela H. Arthington

University of California Press

Environmental flow assessments take place in many different management contexts, at various spatial scales, within different biophysical systems, and in contrasting socioeconomic and political settings. These settings and circumstances have a strong bearing on the scope for provision of an environmental flow regime and the methods most suited to achieving the desired ecological outcomes. This chapter describes techniques for assessing environmental flow requirements for rivers. They range from the simplistic use of available hydrologic records to establish minimum and flushing flows to sophisticated modeling procedures that link changes in river discharge with geomorphological and ecological responses at species, community, and ecosystem scales. Hydrological methods include the Montana (Tennant) method, flow duration curve analysis, Range of Variability Approach (RVA), and flow translucency approach.

Keywords:   environmental flow assessments, management contexts, ecological outcomes, hydrological methods, Montana method, flow duration curve analysis, Range of Variability Approach, flow translucency approach

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