Research and Application of EPWS (Equitable Payment for Watershed Service) by Measuring Sediments Based on GIS Technology

Abstract:

The first successful EPWS(Equitable Payment for Watershed Service) case is in Peru where there had finished whole three phases with excellent operation under the internal motive force between upstream community and downstream water supply company from 2009 to date. In China, the first EPWS programme in 2011 had followed the successful EPWS cases to find the adaptability of EPWS development in other watershed in Chian. Rapid hydrology appraisal for EPWS is most basis technology need. In this study, the sedimentation has been assessed and forecasted by GIS technology by using the measured sediment data. The average contribution of SS loads from Yuping Village and Ganzikou Village were about 67 % of EPWS area. This rapid hydrology appraisal had paid a key role to cause the signature of MOU on June 1^th 2012 between upstream communities and downstream hydropower station. The next phase of EPWS will be carried out the planned livelihood strategies within water and soil erosion protection by upstream communities, then produced watershed service (reduced sediments) will be monitored and assessed by downstream hydropower station or other organizations.

• Periodical: Advanced Materials Research (Volumes 718-720)
• Pages: 333-338
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.718-720.333
• Online since: July 2013
• Authors: Bo Huang, Hong Bing Luo, Jia Fa Tang, Xiao Ling Liu, Wei Jie Deng, Qiang Xu, Ke Zhang
• Keywords: Downstream Hydropower Station, Equitable Payment for Watershed Service (EPWS), Sediment, Upstream Communities, Watershed Improvement

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