Evaluation of the EUROSEM model with single event data on steeplands in the three Gorges reservoir areas, China
文献类型：SCI/SSCI论文
| 作者 | Cai Q. G. ; Wang H. ; Curtin D. ; Zhu Y. |
| 发表日期 | 2005 |
| 关键词 | steepland water erosion contour hedgerow EUROSEM soil-erosion model aggregation simulation catchment rainfall barriers system |
| 英文摘要 | Because of the construction of the Three Gorges Dam in China, many fanners in reservoir areas will resettle in surrounding mountain areas and cultivate steeply sloping lands. Hence, a tool is needed to assess the risk of soil erosion, predict runoff and erosion rates, and design and evaluate soil protection strategies in this area. The European Soil Erosion Model (EUROSEM), a process-based model simulating erosion on an event basis for fields and small catchments, was tested using data from rainfall simulation experiments on steeplands (slopes greater than or equal to 47%) in the Three Gorges Reservoir areas. Simulations were carried out on plots representing four management treatments: uncultivated land, contoured-cultivated land, contoured-cultivated land with hedgerows and contoured-cultivated land with hedgerows + fertilizer. Results showed that, in most cases, EUROSEM predicted runoff reasonably well. Simulation of the timing and rate of soil loss was unsatisfactorily, mainly because of poor estimation of sediment concentration in runoff, but total soil loss during a rainfall event was adequately predicted in most cases. Differences between measured and simulated values in total runoff and total soil loss were less than 3 mm and less than 120 kg ha(-1), respectively, except for a single validation test on the contoured-cultivated treatment. This model is capable of differentiating A impacts of land use changes and soil protection measures on steeplands in this area. (C) 2004 Elsevier B.V. All rights reserved. |
| 出处 | Catena |
| 卷 | 59 |
| 期 | 1 |
| 页 | 19-33 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 0341-8162 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/24289]  |
| 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 | Cai Q. G.,Wang H.,Curtin D.,et al. Evaluation of the EUROSEM model with single event data on steeplands in the three Gorges reservoir areas, China. 2005. |
入库方式： OAI收割
来源：地理科学与资源研究所
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