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题名: Effects of revegetation on soil moisture under different precipitation gradients in the Loess Plateau, China
作者: Fei Tian;Xiaoming Feng; Lu Zhang; Bojie Fu;Shuai Wang;Yihe Lv; Pei Wang
刊名: Hydrology Research
出版日期: 2017
卷号: 48, 期号:5, 页码:1378-1390
关键词: afforestation, Loess Plateau, mean annual precipitation, revegetation, soil desiccation, WAVES model
DOI: 10.2166/nh.2016.022
英文摘要:     Revegetation can alter catchment water balance and result in soil desiccation. Large-scale
revegetation took place in the Loess Plateau of China to control soil erosion and improve environmental conditions. However, the dynamic nature of soil moisture in response to revegetation under different climatic conditions is still unclear mainly due to lack of long-term in situ observations.To overcome this challenge, a biophysically based ecohydrological model (WAVES) was used to examine the effects of revegetation on soil moisture. Results showed that trees consume more water (100% of precipitation) than shrub (97.6%) and grass (98.3%), and therefore are more likely to result in soil desiccation. No runoff occurred under the tree scenario, while for shrub and grass, runoff accounted for 2.4% and 1.7% of precipitation, respectively. In areas with mean annual precipitation (MAP) less than 400 mm, tree planting resulted in soil water deficit, while in areas with MAP exceeding 600 mm, no soil water deficit occurred. Within this MAP range (400
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/37297
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

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Recommended Citation:
Fei Tian;Xiaoming Feng; Lu Zhang; Bojie Fu;Shuai Wang;Yihe Lv; Pei Wang. Effects of revegetation on soil moisture under different precipitation gradients in the Loess Plateau, China[J]. Hydrology Research,2017,48(5):1378-1390.
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