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腾发覆盖技术控制垃圾填埋场渗沥液污染试验研究 被引量:2

Experimental Study on Evapotranspiration Cover System for Landfill Leachate Control
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摘要 腾发覆盖系统利用覆盖层土壤储存降雨,并利用土壤蒸发和植物蒸腾作用增大覆盖层水分耗散,达到控制渗沥液产生的目的。文章进行了6组不同腾发覆盖组合条件下的渗沥液控制效果试验。结果表明:植物在调节和控制覆盖层水分动态中起重要作用,植物覆盖率的增加和土壤水分消减程度表现出明显的关系,植物生长情况下的土壤水分耗散速度是无植物覆盖情况下的1.5倍;植物生长和无植物生长情况下60cm覆盖层厚度实际水库容积分别为97.2mm和62.8mm;无植物生长情况下深层渗沥量达到降雨量的27%,而植物覆盖情况下渗沥液量仅为降雨量的3.5%~7.2%。 The evapotranspiration experimental study involves six plots with different kinds of cover to investigate rain water balance of the designed cover. It has been found, according to the experiment, that vegetation grown over the cover plays an important part in controlling and adjusting water balance of the cover system by enhancing the evapotranspiration amount.
出处 《环境科学与技术》 CAS CSCD 北大核心 2008年第9期16-19,共4页 Environmental Science & Technology
基金 国家自然科学基金项目(50578127) 湖北省自然科学基金项目(2006ABA239)
关键词 腾发覆盖系统 垃圾填埋场 渗沥液控制 植物 evapotranspiration waste landfill leachate control vegetation
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参考文献8

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二级参考文献33

共引文献27

同被引文献28

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