| 关于三峡水库消落带地貌变化之思考 |
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| 引用本文： | 张信宝.关于三峡水库消落带地貌变化之思考[J].水土保持通报,2009,23(3):1-4,9. |
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| 作者姓名： | 张信宝 |
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| 作者单位： | 中国科学院,水利部,成都山地灾害与环境研究所,四川,成都,610041 |
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| 基金项目： | 中国科学院西部行动计划项目，水利部公益行业科研专项经费项目 |
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| 摘 要： | 与国内外特大型水库相比,三峡水库消落带具有常年水位变幅大,干流航运繁忙,波浪大和良田沃土多的特点.三峡水库蓄水后,消落带坡地地貌变化的发生是必然的,形成的稳定坡地类型有淤积滩涂坡地、稳定石质坡地和稳定土质坡地3种,其地貌演化过程可分为强烈侵蚀期、基本稳定期和淤积填平期.水库蓄水后,消落带坡地土壤的流失势必影响消落带坡地的植被建设.鉴于目前我国三峡水库消落带坡地地貌演化的相关研究严重不足,已开展的生态环境修复重大科研项目,均没有重视水库蓄水后消落带坡地地貌的变化,也没有安排地貌演化的相关内容,作者从坡地地貌演化的角度,对三峡水库消落带生态环境的研究、治理工作和水库运行方案的调整提出了相关建议.
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| 关 键 词： | 三峡水库 消落带 地貌变化 |
| 收稿时间： | 2008/12/13 0:00:00 |
| 修稿时间： | 2009/1/29 0:00:00 |
Thinking about Geomorphologic Evolution of Slopes in Hydrofluctuation Belt of Three Gorges Reservoir |
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| ZHANG Xin-bao.Thinking about Geomorphologic Evolution of Slopes in Hydrofluctuation Belt of Three Gorges Reservoir[J].Bulletin of Soil and Water Conservation,2009,23(3):1-4,9. |
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| Authors: | ZHANG Xin-bao |
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| Institution: | ZHANG Xin-bao(Institute of Mountain Hazards and Environment,CAS,Chengdu,Sichuan 610041,China) |
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| Abstract: | Compared with other large reservoirs in China and abroad,the hydro-fluctuation belt of the Three Gorges Reservoir is characterized with high annual hydro-fluctuation,heavy waves caused by busy shipping in the main stream and a large area of fertilized cultivated land.After filling of a reservoir,great geomorphologic changes should occur on the bank slope and final stable slopes has following three types: silting beach slopes,eroded bedrock slopes and eroded earth slopes.Geomorphologic evolution processes on... |
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| Keywords: | Three Gorges Reservoir fluctuation belt geomorphologic evolution |
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