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| DOI: | 10.11686/cyxb2023137 |
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| Web URL(s): | http://cyxb.magtech.com.cn/CN/10.11686/cyxb2023137
Last checked: 02/15/2024 |
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| Publication Type:
| Report |
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| Author(s): | Zhao, Ya-ru;
Cao, Yun-xiang;
Yang, Cheng-can;
Shi, Feng-hou;
Fu, Hong-xiang;
Chu, Lei |
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| Author Affiliation: | Zhao and Yang: College of Forestry, Southern Modern Forestry Collaborative Innovation Center, Nanjing Forestry University, Nanjing, China and Jiangsu Yuashun Environmental Protection Technology Co., Ltd., Nanjing, China; Cao, Shi and Chu: College of Forestry Southern Modern Forestry Collaborative Innovation Center, Nanjing Forestry University, Nanjing, China; Fu: Huashe Design Group Co., Ltd., Nanjing, China |
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| Title: | Hydrological effects of highway vegetation slope model under artificial rain conditions |
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| Source: | [Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 33, No. 3, March 2024, p. 24-33. |
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| Publishing Information: | [Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui] |
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| # of Pages: | 10 |
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| Keywords: | Author-Supplied Keywords: Artificial rain; Slope model; Slope runoff; Seepage amount of slope; Protective effect
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| Abstract/Contents: | "Ecological methods are often used in highway slope protection, in particular, the best effect is achieved through vegetation cover. In order to define the optimal slope protection parameter, this study explored the hydrological effects on runoff when different mulch, rainfall intensity, and slope vegetation protection parameters, were tested in a model system utilizing artificial rain. It was found that when the rainfall intensity was 120 mm路h-1, the runoff of slopes covered with coconut grass blanket, straw fiber blanket and straw curtain was reduced by 23.25%, 15.66% and 17.94%, respectively, compared with that of a bare soil slope, while the water infiltration of the lope increased by 65.19%, 48.10% and 27.89%, respectively. In addition, obvious differences were found in the protective effects of vegetation established for different vegetation growth periods. A model slope with vegetation established 4 months had the smallest runoff, the largest water infiltration, and the strongest resistance to rainwater erosion. At a rainfall intensity of 60 mm路h-1, no runoff was detected from the model slope due to the vegetation protection effect, compared to bare soil. With successive increases in artificial rainfall intensity, the start time of runoff and water exfiltration in bare soil slope and vegetated slopes incrementally advanced, and the runoff and sediment showed a corresponding increasing trend. In general, a silty subgrade slope mixed sowing with Cynodon dactylon (sowing rate: 12 g路m-2), Amorpha fruticosa (sowing rate: 14 g路m-2), Lespedeza bicolor (sowing rate: 10 g路m-2), and covered with coconut grass blanket (specification: 300 g路m-2), under normal management and maintenance conditions, after 3 months of plant growth, exhibited a significantly enhanced ability to resist rainwater erosion. At a rainfall intensity not exceeding 120 mm路h-1, the combination of vegetation and covering shows extraordinary protective effects. The combination of plants and mulch reduces the impact of rainwater on the slope, and reduces the runoff. In addition, the plant root system facilitates the infiltration of rainwater into the slope, and aids water and soil conservation as well." |
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| Language: | Chinese |
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| References: | 27 |
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| Note: | Abstract also appears in English
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhao, Y.-r., Y.-x. Cao, C.-c. Yang, F.-h. Shi, H.-x. Fu, and L. Chu. 2024. Hydrological effects of highway vegetation slope model under artificial rain conditions. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 33(3):p. 24-33. |
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| DOI: 10.11686/cyxb2023137 |
| Web URL(s):
http://cyxb.magtech.com.cn/CN/10.11686/cyxb2023137
Last checked: 02/15/2024 |
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MSU catalog number: b10289426 |
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