【Key words】 sediment yield model; geographical information system; integration; soil and water conservation monitoring
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能反映侵蚀产沙时空过程的、基于GIS的分布式侵蚀产沙模型成为研究的重点。
The GIS-based soil erosion and sediment yield models, which can reflect the process of spatial distribution of soil erosion and sediment, will be the study focus in the future.
近年来，我国在土壤侵蚀产沙模型方面进行了大量研究，建立大量的坡面、流域及区域侵蚀产沙模型。
There are a lot of studies on soil erosion models in China in the recent years, and many hillslope models, watershed models and regional models have been built up.
坡耕地作为重要的侵蚀产沙区，揭示其土壤侵蚀规律和泥沙运移方式，对建立土壤侵蚀预报模型、加强土地管理防止土壤退化具有十分重要的意义。
It is important to reveal the law of soil erosion and develop soil erosion forecast model, which has a bearing on preventing the loess of water and soil.
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