| Publication type: | Article in scientific journal |
| Type of review: | Peer review (publication) |
| Title: | A conceptual framework for hydropeaking mitigation |
| Authors: | Bruder, Andreas Tonolla, Diego Schweizer, Steffen P. Vollenweider, Stefan Langhans, Simone D. Wüest, Alfred |
| DOI: | 10.1016/j.scitotenv.2016.05.032 |
| Published in: | Science of the Total Environment |
| Volume(Issue): | 568 |
| Page(s): | 1204 |
| Pages to: | 1212 |
| Issue Date: | 2016 |
| Publisher / Ed. Institution: | Elsevier |
| ISSN: | 0048-9697 1879-1026 |
| Language: | English |
| Subjects: | Discharge fluctuation; Ecological indicator; Functional indicator; Hydroelectricity; Prediction tool; River restoration |
| Subject (DDC): | 577: Ecology |
| Abstract: | Hydropower plants are an important source of renewable energy. In the near future, high-head storage hydropower plants will gain further importance as a key element of large-scale electricity production systems. However, these power plants can cause hydropeaking which is characterized by intense unnatural discharge fluctuations in downstream river reaches. Consequences on environmental conditions in these sections are diverse and include changes to the hydrology, hydraulics and sediment regime on very short time scales. These altered conditions affect river ecosystems and biota, for instance due to drift and stranding of fishes and invertebrates. Several structural and operational measures exist to mitigate hydropeaking and the adverse effects on ecosystems, but estimating and predicting their ecological benefit remains challenging. We developed a conceptual framework to support the ecological evaluation of hydropeaking mitigation measures based on current mitigation projects in Switzerland and the scientific literature. We refined this framework with an international panel of hydropeaking experts. The framework is based on a set of indicators, which covers all hydrological phases of hydropeaking and the most important affected abiotic and biotic processes. Effects of mitigation measures on these indicators can be predicted quantitatively using prediction tools such as discharge scenarios and numerical habitat models. Our framework allows a comparison of hydropeaking effects among alternative mitigation measures, to the pre-mitigation situation, and to reference river sections. We further identified key issues that should be addressed to increase the efficiency of current and future projects. They include the spatial and temporal context of mitigation projects, the interactions of river morphology with hydropeaking effects, and the role of appropriate monitoring to evaluate the success of mitigation projects. |
| URI: | https://digitalcollection.zhaw.ch/handle/11475/6662 |
| Fulltext version: | Published version |
| License (according to publishing contract): | Licence according to publishing contract |
| Departement: | Life Sciences and Facility Management |
| Organisational Unit: | Institute of Natural Resource Sciences (IUNR) |
| Appears in collections: | Publikationen Life Sciences und Facility Management |
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Bruder, A., Tonolla, D., Schweizer, S. P., Vollenweider, S., Langhans, S. D., & Wüest, A. (2016). A conceptual framework for hydropeaking mitigation. Science of the Total Environment, 568, 1204–1212. https://doi.org/10.1016/j.scitotenv.2016.05.032
Bruder, A. et al. (2016) ‘A conceptual framework for hydropeaking mitigation’, Science of the Total Environment, 568, pp. 1204–1212. Available at: https://doi.org/10.1016/j.scitotenv.2016.05.032.
A. Bruder, D. Tonolla, S. P. Schweizer, S. Vollenweider, S. D. Langhans, and A. Wüest, “A conceptual framework for hydropeaking mitigation,” Science of the Total Environment, vol. 568, pp. 1204–1212, 2016, doi: 10.1016/j.scitotenv.2016.05.032.
BRUDER, Andreas, Diego TONOLLA, Steffen P. SCHWEIZER, Stefan VOLLENWEIDER, Simone D. LANGHANS und Alfred WÜEST, 2016. A conceptual framework for hydropeaking mitigation. Science of the Total Environment. 2016. Bd. 568, S. 1204–1212. DOI 10.1016/j.scitotenv.2016.05.032
Bruder, Andreas, Diego Tonolla, Steffen P. Schweizer, Stefan Vollenweider, Simone D. Langhans, and Alfred Wüest. 2016. “A Conceptual Framework for Hydropeaking Mitigation.” Science of the Total Environment 568: 1204–12. https://doi.org/10.1016/j.scitotenv.2016.05.032.
Bruder, Andreas, et al. “A Conceptual Framework for Hydropeaking Mitigation.” Science of the Total Environment, vol. 568, 2016, pp. 1204–12, https://doi.org/10.1016/j.scitotenv.2016.05.032.
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