Sediment properties of hyperconcentrated flow and the potential for agricultural improvement of debris flow deposits-A case study on the Jiangjia Ravine, Yunnan Province, China
文献类型：会议论文
| 作者 | Wang, DJ ; Cui, P; Su, FH; Zhu, YY
|
| 出版日期 | 2007 |
| 会议日期 | SEP 10-13, 2007 |
| 会议地点 | Chengdu |
| 关键词 | Jiangjia Ravine hyperconcentrated flow debris flow deposits irrigation |
| 页码 | 725-733 |
| 国家 | PEOPLES R CHINA |
| 英文摘要 | Debris flow deposits with large particle sizes and no clear soil profile are unfit for crop growth. In order to agriculturally exploit debris flow deposits, the sediment properties of hyperconcentrated flows and their use for agriculturally improving debris flow deposits were studied. The results indicate that the sediment content of hyperconcentrated flow in the Jiangjia Ravine is 23-335 kg/m(3) during the rainy season. The soil particle distribution of sediment is 73-86% of <0.02 mm particle size and 54-80% of 0.02-0.002 mm micro-aggregates. The soil nutrient of the sediment is poor or very poor, but rich in total K. Application of irrigation to hyperconcentrated flow deposits improves the soil particle composition, the soil profile structure, and the soil micro-aggregates of debris flow deposits, but does not improve soil nutrients. Therefore, applications of organic and inorganic fertilizer and rational planting measures are required to improve soil fertility and to prevent the soil from becoming hardened and barren. |
| 源文献作者 | Chen, CL ; Major, JJ |
| 产权排序 | 1 |
| 会议录 | DEBRIS-FLOW HAZARDS MITIGATION: MECHANICS, PREDICTION, AND ASSESSMENT
 |
| 会议录出版者 | MILLPRESS SCIENCE PUBLISHERS |
| 会议录出版地 | ROTTERDAM |
| 语种 | 英语 |
| ISBN号 | 978-90-5966-059-5 |
| WOS记录号 | WOS:000267333300070 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/33501]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 通讯作者 | Wang, DJ |
| 作者单位 | Key Laboratory of Mountain Hazards and Earth Surface Process, Chinese Academy of Sciences |
| 推荐引用方式 GB/T 7714 | Wang, DJ,Cui, P,Su, FH,et al. Sediment properties of hyperconcentrated flow and the potential for agricultural improvement of debris flow deposits-A case study on the Jiangjia Ravine, Yunnan Province, China[C]. 见:. Chengdu. SEP 10-13, 2007. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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