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Alternative TitleEvaluation of ecosystem service for water supply and power generation and its economic value:A case study of Ertan hydropower on Yalong river
吴楠1,2,3; 高吉喜1,4; 苏德毕力格3; Driss Ennaanay5; Guillermo F. Mendoza5; 罗遵兰3; 李岱青3; 田美荣3
Source Publication水力发电学报
Contribution Rank1
Other AbstractOn the platform of the integrated Geographic Information System(GIS)software package ArcGIS9.2,a model was developed to simulate the ecosystem service of water supply and power generation and its economic value based on land use/cover.This model simulates the annual water supply of watershed for power generation by taking input parameters of precipitation,potential evaportranspiration,characteristic parameter of underlying surface and water consumption.Spatial distribution features of the ecosystem power generation over the watershed can be simulated using the characteristic parameters of the hydropower stations studied,each pixels contribution ratio to the total water use by hydropower production and the formula of hydropower resources.The economic value of ecosystem service is determined by electricity price and total annual operating costs.In a case study of the Ertan hydropower and its watershed,the simulation showed an actual water supply of 311.63*10~8m~3·a~(-1)to this hydropower in 2000 and a total power output of 5763.84*10~8kW·H and a total net present value(NPV)of power generation of 888.66*108 Yuan in the remaining years of the Ertans expected lifetime.The grassland contribution ratio 54.23%to the ecosystem service value was higher than those of the other factors,and the higher contribution ratios of water supply to the Ertan power output come from southeastern part of the watershed such as Kangting,Jiulong,Mianning,Xide and Xichang.
Keyword生态系统生态学 供水发电生态系统服务 模型模拟 二滩水电站 土地利用/覆被 经济价值
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Document Type期刊论文
Corresponding Author吴楠
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
吴楠,高吉喜,苏德毕力格,等. 生态系统供水发电服务评估及经济价值测算以雅砻江二滩电站为例[J]. 水力发电学报,2011,7(3):56-64.
APA 吴楠.,高吉喜.,苏德毕力格.,Driss Ennaanay.,Guillermo F. Mendoza.,...&田美荣.(2011).生态系统供水发电服务评估及经济价值测算以雅砻江二滩电站为例.水力发电学报,7(3),56-64.
MLA 吴楠,et al."生态系统供水发电服务评估及经济价值测算以雅砻江二滩电站为例".水力发电学报 7.3(2011):56-64.
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