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01.01.2015 | Ausgabe 1/2015

Environmental Management 1/2015

A Multi-scale Spatial Approach to Address Environmental Effects of Small Hydropower Development

Zeitschrift:
Environmental Management > Ausgabe 1/2015
Autoren:
Ryan A. McManamay, Nicole Samu, Shih-Chieh Kao, Mark S. Bevelhimer, Shelaine C. Hetrick
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s00267-014-0371-2) contains supplementary material, which is available to authorized users.

Abstract

Hydropower development continues to grow worldwide in developed and developing countries. While the ecological and physical responses to dam construction have been well documented, translating this information into planning for hydropower development is extremely difficult. Very few studies have conducted environmental assessments to guide site-specific or widespread hydropower development. Herein, we propose a spatial approach for estimating environmental effects of hydropower development at multiple scales, as opposed to individual site-by-site assessments (e.g., environmental impact assessment). Because the complex, process-driven effects of future hydropower development may be uncertain or, at best, limited by available information, we invested considerable effort in describing novel approaches to represent environmental concerns using spatial data and in developing the spatial footprint of hydropower infrastructure. We then use two case studies in the US, one at the scale of the conterminous US and another within two adjoining rivers basins, to examine how environmental concerns can be identified and related to areas of varying energy capacity. We use combinations of reserve-design planning and multi-metric ranking to visualize tradeoffs among environmental concerns and potential energy capacity. Spatial frameworks, like the one presented, are not meant to replace more in-depth environmental assessments, but to identify information gaps and measure the sustainability of multi-development scenarios as to inform policy decisions at the basin or national level. Most importantly, the approach should foster discussions among environmental scientists and stakeholders regarding solutions to optimize energy development and environmental sustainability.

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Zusatzmaterial
Supplementary material 1 (XLSX 48 kb)
267_2014_371_MOESM1_ESM.xlsx
Supplementary material 2 (PDF 1404 kb)
267_2014_371_MOESM2_ESM.pdf
Supplementary material 3 (PDF 395 kb)
267_2014_371_MOESM3_ESM.pdf
Supplementary material 4 (PDF 392 kb)
267_2014_371_MOESM4_ESM.pdf
Literatur
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