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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: 22 September 2021

Sustaining Groundwater-Dependent Ecosystems

Sustaining Groundwater-Dependent Ecosystems

(p.229) 16 Sustaining Groundwater-Dependent Ecosystems
Environmental Flows

Angela H. Arthington

University of California Press

This chapter is devoted to the groundwater dependencies of riverine corridors, and the methods available to assess those dependencies and to protect and manage groundwater resources as part of frameworks for managing surface stream flows and catchment water resources. Classification schemes capture different types of groundwater-surface water interactions. Several methods identify hyporheic flow paths in streams (e.g., natural tracers such as temperature and chloride, injection of conservative tracers, modeling of subsurface flow based on the distribution of hydraulic heads and aquifer properties). There is growing understanding of how various factors govern the diversity, heterogeneity, and distribution of groundwater fauna, and how best to assess groundwater ecosystem health. An ecohydrogeological framework presents a broad vision of groundwater dependencies and challenging opportunities for management.

Keywords:   groundwater-dependent ecosystems, riverine corridors, classification, hyporheic flow paths, groundwater ecosystem health, ecohydrogeological framework

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