Aspect-induced differences in soil erosion intensity in a gullied hilly region on the Chinese Loess Plateau
文献类型：SCI/SSCI论文
| 作者 | Fang H. Y.; Guo, M. |
| 发表日期 | 2015 |
| 关键词 | The Chinese Loess Plateau Slope aspect Soil erosion intensity Topoclimate wind-driven rain slope aspect vegetation restoration spatial-distribution nutrient losses small catchment land-use badlands impact forest |
| 英文摘要 | Slope aspect exerts important influence on soil erosion intensity and geomorphologic evolution of land surfaces. Using a digital elevation model (DEM 2 m x 2 m resolution) the gully development intensity in the Wangjiagou catchment on the Chinese Loess Plateau is found to vary as a function of aspect-induced differences in topoclimate. The sunny slopes (i.e., SW, S, and SE aspects) have higher gully erosion intensity than that on the shady slopes (i.e., NE, N, and NW aspects), indicating that south-facing slopes experience faster geomorphic evolution. Variations in process activity can be explained in large part by aspect-induced differences in soil temperature, soil moisture and transpiration, wind force, vegetation coverage and land use pattern on different slope aspects. Lower vegetation coverage and more intensive agricultural activity cause increased erodibility on the sunny slopes. Wind-driven rainstorms can partly explain the higher soil erosion intensity for the sunny slopes, while the impact of mass movement on different slopes is minor. The combination of these factors leads to different soil erosion intensities and geomorphic evolutions on different slopes in the hilly loess region of the Chinese Loess Plateau. |
| 出处 | Environmental Earth Sciences |
| 卷 | 74 |
| 期 | 7 |
| 页 | 5677-5685 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1866-6280 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/38604]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Fang H. Y.,Guo, M.. Aspect-induced differences in soil erosion intensity in a gullied hilly region on the Chinese Loess Plateau. 2015. |
入库方式： OAI收割
来源：地理科学与资源研究所
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