[1]刘前进,蔡强国,吕国安,等.羊道沟流域侵蚀产沙模型原型选定问题[J].水土保持研究,2004,11(04):69-73.
　LIU Qian-jin,CAI Qiang-guo,LÜ,et al.Choice of Prototype in Modeling the Soil Erosion in Yangdaogou Watershed[J].Research of Soil and Water Conservation,2004,11(04):69-73.
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羊道沟流域侵蚀产沙模型原型选定问题

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 11 期数: 2004年04期 页码: 69-73 栏目: 出版日期: 1900-01-01
Title:
Choice of Prototype in Modeling the Soil Erosion in Yangdaogou Watershed
作者:
刘前进1,2, 蔡强国2, 吕国安1, 刘纪根2
1. 华中农业大学, 湖北武汉 430070;
2. 中国科学院地理科学与资源研究所, 北京 100101
Author(s):
LIU Qian-jin1,2, CAI Qiang-guo2, LÜ Guo-an1, LIU Ji-gen2
1. Huazhong Agricultural University, Wuhan 430070, China;
2. Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Science, Beijing 100101, China
关键词:
空间尺度; 侵蚀产沙; 侵蚀模型
Keywords:
spatial scale; sediment yield; erosion model
分类号:
S157.1
摘要:
侵蚀的空间尺度不同，在建立土壤侵蚀模型时，要考虑由于空间变化所引起的侵蚀因子对侵蚀产沙响应的不同。土壤侵蚀模型在空间尺度上可以划分为坡面、小流域和区域三个不同层次。在坡面尺度上，主要考虑坡面侵蚀的垂直分带性及其相互影响；小流域尺度上，不但考虑坡面侵蚀的特点，还要考虑坡面来水来沙对沟道侵蚀产沙的影响、重力侵蚀及泥沙输移情况；在区域尺度上则主要考虑小流域各自的侵蚀产沙特点及其相互影响。通过分析国内外常用的不同尺度上的侵蚀产沙模型及其最新发展情况，并借鉴羊道沟流域研究的丰富经验，提出了羊道沟流域作为王家沟流域—
Abstract:
In different scale, the influence of the main factors on runoff, sediment yield and the composition of the main factors is not the same. According to the spatial scale, almost all of the soil erosion models can be classified as field-scale models, catchment-scale models and region-scale models. Each type of erosion models has its distinctive characteristics. As to the field scale, the analysis of the clear vertical zones and the interaction between them is very important. In addition to the analysis of soil erosion on hill slopes, effects of runoff and sediment from hill slope on erosion and sediment at the followed gully zone and the erosion caused by gravitation are complex and pivotal in the catchment scale. In this scale, the sediment delivery has a significant importance to the erosion modeling. Establishing region scale erosion model, the relationship and the interaction of the subordinate drainages together with the style of the runoff yield and runoff concentration should be taken into account. Commenting on the fitness and the existing problems of the popular erosion models home and abroad in these three scales, studying the experience of model building in the Yangdaogou watershed, a conceptual erosion model, as a intergradation model to the larger scale erosion model, is to be bring forward.

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备注/Memo

收稿日期:2004-7-10;改回日期:。
基金项目:中国科学院知识创新工程重要方向项目“水蚀预报模型研究”（KZCX3-SW-422）；国家自然科学基金资助项目（40271075）；香港特区政府研究资助局支持项目（HKU7017/01E）
作者简介:刘前进（1979- ），男，汉，山东安丘人，硕士研究生，主要从事流域侵蚀产沙和地理信息系统应用等方面研究。

更新日期/Last Update: 1900-01-01