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Title: Organizing environmental flow frameworks to meet hydropower mitigation needs

Abstract

The global recognition of the importance of natural flow regimes to sustain the ecological integrity of river systems has led to increased societal pressure on the hydropower industry to change plant operations to improve downstream aquatic ecosystems. However, a complete reinstatement of natural flow regimes is often unrealistic when balancing water needs for ecosystems, energy production, and other human uses. Thus, stakeholders must identify a prioritized subset of flow prescriptions that meet ecological objectives in light of realistic constraints. Yet, isolating aspects of flow regimes to restore downstream of hydropower facilities is among the greatest challenges of environmental flow science due, in part, to the sheer volume of available environmental flow tools in conjunction with complex negotiation-based regulatory procedures. Here, we propose an organizational framework that structures information and existing flow paradigms into a staged process that assists stakeholders in implementing environmental flows for hydropower facilities. The framework identifies areas where regulations fall short of the needed scientific process, and provide suggestions for stakeholders to ameliorate those situations through advanced preparation. We highlight the strengths of existing flow paradigms in their application to hydropower settings and suggest when and where tools are most applicable. In conclusion, our suggested framework increasesmore » the effectiveness and efficiency of the e-flow implementation process by rapidly establishing a knowledge base and decreasing uncertainty so more time can be devoted to filling knowledge gaps. As a result, the framework provides the structure for a coordinated research agenda to further the science of environmental flows related to hydropower environments.« less

Authors:
 [1];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oklahoma State Univ., Stillwater, OK (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1260072
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Environmental Management
Additional Journal Information:
Journal Name: Environmental Management; Journal ID: ISSN 0364-152X
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
13 HYDRO ENERGY; 54 ENVIRONMENTAL SCIENCES; dams; river; regulation; environmental flow; policy; hydrology; hydropower; stream ecology; fish; mitigation

Citation Formats

McManamay, Ryan A., Brewer, Shannon K., Jager, Henriette I., and Troia, Matthew J.. Organizing environmental flow frameworks to meet hydropower mitigation needs. United States: N. p., 2016. Web. https://doi.org/10.1007/s00267-016-0726-y.
McManamay, Ryan A., Brewer, Shannon K., Jager, Henriette I., & Troia, Matthew J.. Organizing environmental flow frameworks to meet hydropower mitigation needs. United States. https://doi.org/10.1007/s00267-016-0726-y
McManamay, Ryan A., Brewer, Shannon K., Jager, Henriette I., and Troia, Matthew J.. Sat . "Organizing environmental flow frameworks to meet hydropower mitigation needs". United States. https://doi.org/10.1007/s00267-016-0726-y. https://www.osti.gov/servlets/purl/1260072.
@article{osti_1260072,
title = {Organizing environmental flow frameworks to meet hydropower mitigation needs},
author = {McManamay, Ryan A. and Brewer, Shannon K. and Jager, Henriette I. and Troia, Matthew J.},
abstractNote = {The global recognition of the importance of natural flow regimes to sustain the ecological integrity of river systems has led to increased societal pressure on the hydropower industry to change plant operations to improve downstream aquatic ecosystems. However, a complete reinstatement of natural flow regimes is often unrealistic when balancing water needs for ecosystems, energy production, and other human uses. Thus, stakeholders must identify a prioritized subset of flow prescriptions that meet ecological objectives in light of realistic constraints. Yet, isolating aspects of flow regimes to restore downstream of hydropower facilities is among the greatest challenges of environmental flow science due, in part, to the sheer volume of available environmental flow tools in conjunction with complex negotiation-based regulatory procedures. Here, we propose an organizational framework that structures information and existing flow paradigms into a staged process that assists stakeholders in implementing environmental flows for hydropower facilities. The framework identifies areas where regulations fall short of the needed scientific process, and provide suggestions for stakeholders to ameliorate those situations through advanced preparation. We highlight the strengths of existing flow paradigms in their application to hydropower settings and suggest when and where tools are most applicable. In conclusion, our suggested framework increases the effectiveness and efficiency of the e-flow implementation process by rapidly establishing a knowledge base and decreasing uncertainty so more time can be devoted to filling knowledge gaps. As a result, the framework provides the structure for a coordinated research agenda to further the science of environmental flows related to hydropower environments.},
doi = {10.1007/s00267-016-0726-y},
journal = {Environmental Management},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {6}
}

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