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江西省山地风电项目区水土流失与防治研究
张华明1,2, 吴治玲1,2, 昝玉亭1,2, 李英1,2, 龚长春1,2, 熊峰1,2, 车腾腾1,2
1.江西省水土保持科学研究院, 江西 南昌 330029;2.江西省土壤侵蚀与防治重点实验室, 江西 南昌 330029
摘要:
[目的]探讨江西山地风电项目建设特点,研究山地风电项目区水土流失的特征,并提出防治重点和措施建议,以期为山地风电项目环境保护与水土流失治理提供科学依据与参考。[方法]以江西省6处典型山地风电项目为研究对象,结合现有研究成果,定量分析项目占地、土石方、水土流失等水土保持指标特征。[结果]①单台风机平均占地2.44 hm2,挖方4.51×104 m3,弃方1.44×104 m3,新增水土流失量364.38 t,每1 kW容量平均占地11.63 m2,挖方2 148.91 m3,弃方684.53 m3,新增水土流失量0.17 t。②道路工程区、风机机组区、弃土场区的新增水土流失量分别占总量的53.87%,21.84%和10.13%,是山地风电项目水土流失最为严重的区域,也是水土保持的重点区域。[结论]结合山地风电项目的区域环境特征,提出应注重道路工程区和风电机组区选线(址),优化竖向设计,减少挖填土石方数量,从源头上减少对区域土地和植被的破坏;其次要注重表土和植被资源保护与利用、道路工程区和风机机组区下边坡拦挡防护与排水措施设计,恢复和重建区域生态环境。
关键词:  江西省  山地  风电项目  水土流失  防治
DOI:10.13961/j.cnki.stbctb.2018.04.002
分类号:
基金项目:江西省科技厅项目“江西红壤区工程堆积体水土保持植被优化配置研究”(20161BBG70086),“低影响开发生物滞留系统环境水文效应及关键技术研究”(20161BBG70087)
Soil Erosion and Control of Wind Power Project Areas in Jiangxi Mountainous Area
ZHANG Huaming1,2, WU Zhiling1,2, ZAN Yuting1,2, LI Ying1,2, GONG Changchun1,2, XIONG Feng1,2, CHE Tengteng1,2
1.Jiangxi Institute of Soil and Water Conservation, Nanchang, Jiangxi 330029, China;2.Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, Jiangxi 330029, China
Abstract:
[Objective] This paper illustrated the characteristics of mountainous wind power project areas in Jiangxi Province. Soil erosion characteristics in mountainous wind power were studied, in order to provide scientific basis and reference for mountain wind power project environment protection and soil erosion control.[Methods] 6 different typical mountain wind power projects in Jiangxi Province were taken as the research object. Related previous research was consulted to elicit important, soil and water conservation indexes, such as land area, earthwork, soil erosion, etc., they were quantitatively analyzed.[Results] ① The averaged single wind turbine covered an area of 2.44 hm2, with 45 100 m3 of excavation, 14 400 m3 of abandoned soil. The amount of newly soil and water loss was 364.38 t.Each unit of kilowatt capacity covered an area of 11.63 m3, having excavation of 2 148.19 m3, abandonment of 684.53 m3; 0.17 t of soil and water newly lost. ② The added amount of soil and water loss in road engineering area, fan unit area and spoil area accounted for 53.87%, 21.84% and 10.13% of the total newly loss respectively. They were the area with the most serious soil and water loss in mountainous wind power projects as well as the key area for soil and water conservation.[Conclusion] Considering the regional environmental characteristics of mountainous wind power project, attention should be paid to route selection(site) of road engineering area and wind turbine area, optimization vertical design, decrease of earth and rock excavation and filling, and avoiding the destruction of land and vegetation from the source. In addition, attention should be paid to the protection and utilization of topsoil and vegetation resources, road blocks design, roadside protection and drainage measures under the wind turbine generator units to restore and rebuild the regional ecological environment.
Key words:  Jiangxi Province  mountain area  wind electric power project  soil erosion  control