Evaluation of Green and Grey Flood Mitigation Measures in Rural Watersheds
| Autor: | Ranko Pudar, Jasna Plavšić, Andrijana Todorović |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Watershed
0208 environmental biotechnology 0211 other engineering and technologies flood risk 02 engineering and technology lcsh:Technology Ecosystem services lcsh:Chemistry 11. Sustainability financial appraisals of damages Flood mitigation General Materials Science lcsh:QH301-705.5 Instrumentation Environmental planning Risk management flood damage Fluid Flow and Transfer Processes 021110 strategic defence & security studies flood mitigation measures Flood myth lcsh:T business.industry Process Chemistry and Technology Detention basin General Engineering 15. Life on land Hazard lcsh:QC1-999 6. Clean water 020801 environmental engineering Computer Science Applications green infrastructure lcsh:Biology (General) lcsh:QD1-999 lcsh:TA1-2040 13. Climate action rural watersheds Environmental science depth-damage functions lcsh:Engineering (General). Civil engineering (General) business Green infrastructure lcsh:Physics |
| Zdroj: | Applied Sciences Applied Sciences, Vol 10, Iss 6913, p 6913 (2020) Volume 10 Issue 19 |
| ISSN: | 2076-3417 |
| DOI: | 10.3390/app10196913 |
| Popis: | Floods cause considerable damages worldwide and mitigation of their adverse effects through effective protection measures is needed. Along with the commonly applied &ldquo grey&rdquo infrastructure, &ldquo green&rdquo measures that can offer additional benefits, such as ecosystem services, are increasingly being considered lately. While the recent research tendencies are focused on the effectiveness and the value of green measures in urban areas, this paper presents a comprehensive financial evaluation of green and grey flood mitigation scenarios for a smaller rural watershed. A micro-scale damage model that builds on the hydrodynamic modeling of hazard, detailed asset identification, and damage assessment is presented and applied for evaluation of benefits from various flood mitigation measures in the Tamnava watershed in Serbia. Four scenarios are considered: (1) existing flood protection system (2) green scenario involving new detention basins (3) grey infrastructure enhancement by rising of the existing levees and diverting flood discharges and (4) green-grey scenario that combines scenarios (2) and (3). The benefits (loss reduction) are the greatest with the green scenario and marginally higher with the combined green-grey scenario. The results suggest that for small rural watersheds, a holistic, integrative approach that includes both types of infrastructure can provide the most effective flood risk mitigation. |
| Databáze: | OpenAIRE |
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