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Title: Spatial design principles for sustainable hydropower development in river basins

Journal Article · · Renewable and Sustainable Energy Reviews
 [1];  [1];  [2];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. The Nature Conservancy, OH (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States)

How can dams be arranged within a river basin such that they benefit society? Recent interest in this question has grown in response to the worldwide trend toward developing hydropower as a source of renewable energy in Asia and South America, and the movement toward removing unnecessary dams in the US. Environmental and energy sustainability are important practical concerns, and yet river development has rarely been planned with the goal of providing society with a portfolio of ecosystem services into the future. We organized a review and synthesis of the growing research in sustainable river basin design around four spatial decisions: Is it better to build fewer mainstem dams or more tributary dams? Should dams be clustered or distributed among distant subbasins? Where should dams be placed along a river? At what spatial scale should decisions be made? We came up with the following design principles for increasing ecological sustainability: (i) concentrate dams within a subset of tributary watersheds and avoid downstream mainstems of rivers, (ii) disperse freshwater reserves among the remaining tributary catchments, (iii) ensure that habitat provided between dams will support reproduction and retain offspring, and (iv) formulate spatial decision problems at the scale of large river basins. Based on our review, we discuss trade-offs between hydropower and ecological objectives when planning river basin development. We hope that future testing and refinement of principles extracted from our review will define a path toward sustainable river basin design.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1185322
Alternate ID(s):
OSTI ID: 1251518
Journal Information:
Renewable and Sustainable Energy Reviews, Vol. 45, Issue C; ISSN 1364-0321
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 60 works
Citation information provided by
Web of Science

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Basin-scale effects of small hydropower on biodiversity dynamics journal June 2018
Designing Eco‐Friendly Water Intake Portfolios in a Tropical Andean Stream Network journal August 2019
Improved trade-offs of hydropower and sand connectivity by strategic dam planning in the Mekong journal February 2018
Planning dam portfolios for low sediment trapping shows limits for sustainable hydropower in the Mekong journal October 2019
Commonalities in stream connectivity restoration alternatives: an attempt to simplify barrier removal optimization journal February 2019
Estimating ecological flows for fish overwintering in plain rivers using a method based on water temperature and critical water depth journal April 2019
How dams can go with the flow journal September 2016
Fragmentation of Chilean Andean rivers: expected effects of hydropower development journal May 2019
Mapping global development potential for renewable energy, fossil fuels, mining and agriculture sectors journal June 2019
Automatic Detection of Potential Dam Locations in Digital Terrain Models journal April 2019
Not just a migration problem: M etapopulations, habitat shifts, and gene flow are also important for fishway science and management journal August 2018
Development of small hydropower in China 1990–2015: Province-domain patterns of temporal-spatial evolution journal September 2019
A multiscale approach to balance trade-offs among dam infrastructure, river restoration, and cost journal November 2018
Sustainable water management under future uncertainty with eco-engineering decision scaling journal September 2015
River dam impacts on biogeochemical cycling journal February 2020
Reducing greenhouse gas emissions of Amazon hydropower with strategic dam planning journal September 2019
Planning dam portfolios for low sediment trapping shows limits for sustainable hydropower in the Mekong text January 2019
Basin-scale effects of small hydropower on biodiversity dynamics text January 2018
Sustainable Surface Water Storage Development: Measuring Economic Benefits and Ecological and Social Impacts of Reservoir System Configurations journal January 2022