簡(jiǎn)單屋頂綠化降雨產(chǎn)流時(shí)間研究
[Abstract]:The effects of rainfall intensity, leaf area index, substrate thickness and initial moisture content on the delayed runoff production time of simple roof greening were studied by artificial rainfall simulation. The results show that for simple roof greening, the delayed runoff time is mainly affected by rainfall intensity and leaf area index: with the increase of rainfall intensity, the delay runoff time decreases gradually, and the leaf area index increases. The time of delayed runoff gradually increased. It was also found that the increase of peat content can enhance the water holding capacity of the substrate, while the increase of cinder content will weaken the water holding capacity of the substrate, and the excessive content of ceramsite is not conducive to plant growth. Finally, by using multiple linear regression analysis, the calculation model of delayed runoff production time is obtained, which has a good reference value for predicting the runoff production time of simple roof greening.
【作者單位】: 三峽地區(qū)地質(zhì)災(zāi)害與生態(tài)環(huán)境湖北省協(xié)同創(chuàng)新中心;
【基金】:國(guó)家自然科學(xué)基金(51178251)
【分類號(hào)】:TU992;TU985.12
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