近期流域沙量平衡计算研究进展
Development of Study on Sediment Budget Recently
查看参考文献34篇
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文摘
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沙量平衡计算是一种探讨侵蚀泥沙从坡面、沟道等处侵蚀起到流域出口输出这一复杂过程十分有效的研究方法，该方法将流域内泥沙的侵蚀、输移、沉积和输出等过程进行综合考虑．既打破了流域泥沙研究的破碎性，也可以有效地评价泥沙输移系统的有效性。近期国外泥沙平衡计算研究在研究方法上有了很大的改进和提高．对其进行总结和评价将有助于我国沙量平衡研究的开展，从而为流域水沙管理提供一个有效的方法和手段。 |
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其他语种文摘
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The sediment budget affords an effective conceptual framework for quantifying soil erosion, sediment mobilization, transportation, deposition and storage within, and sediment output from, a drainage basin. And it constructs a more complete picture of sediment generation and distribution within basins and permits an assessment of the efficiency of the sediment deliv- ery system. A range of studies on it have been undertaken with more and more advanced methods such as GIS, RS, GPS, fallout radionuclide measurements, etc. around the world and have got some satisfying results, but sediment budget has been applied in few studies and has not been well developed in China, so the recent developments of methods in sediment budget researches were concluded and their advantages were evaluated to encourage the national development of sediment budget researches, and some problems in these researches were mentioned too, that will make sediment budget a helpful tool to establish a reliable and scientific basis for formulating catchment management strategies. |
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来源
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地理科学进展
,2007,26(2):52-58 【核心库】
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关键词
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沙量平衡计算
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小流域
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流域
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土壤侵蚀
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地址
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1.
中国科学院地理科学与资源研究所, 陆地水循环与地表过程重点实验室, 北京, 100101
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沈阳农业大学水利学院, 沈阳, 110161
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-6301 |
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学科
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水利工程 |
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基金
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国家自然科学基金
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中国科学院地理科学与资源研究所知识创新工程自然科学基金延伸支持领域前沿项目
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文献收藏号
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CSCD:2863497
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34
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