土壤侵蚀预报模型在空间尺度上可以划分为坡面、小流域和区域三个层次。
Soil erosion forecasting model can be divided into three levels of slope, small watershed and region in spatial scale.
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.
本研究重点利用GIS辅助土壤侵蚀模型对黄土高原西部的祖厉河流域的土壤侵蚀问题进行了研究。
This research focuses on the erosion problem of ZuLi River basin in the western part of the Chinese Loess Plateau using GIS-assisted soil erosion model.
笔者提出一种基于不同时相实测数据建立交互数字高程模型研究坡面土壤沉积与搬运间的量化关系的方法，进而获得小流域坡面不同时相间的土壤侵蚀量。
Using alternant dem the study raised a new method based on the relation of sedimentation and precipitation to acquire the amount of soil erosion on hillslopes.
在分析土壤侵蚀形成的主要影响因子基础上，提出了基于栅格数据的流域土壤侵蚀量估算的指标模型。
An index model of soil erosion estimation was put forward based on raster data after analyzing the main influence factors in Weifenhe watershed.
针对黄土高原小流域土壤侵蚀的特点，对建造土壤侵蚀量模型系统进行了分析。
In accordance with the characteristics of soil erosion of small watershed in the loess plateau, the problem on building the soil erosion model system was analyzed.
AGNPS模型是美国研制的、专用于模拟小流域土壤侵蚀、养分流失和预测评价农业非点源污染状况的计算机模型。
AGNPS (agricultural non point source) model is a computer model specialized for predicting and evaluating the agricultural non point source pollution of a watershed.
AGNPS模型是美国研制的、专用于模拟小流域土壤侵蚀、养分流失和预测评价农业非点源污染状况的计算机模型。
AGNPS (agricultural non point source) model is a computer model specialized for predicting and evaluating the agricultural non point source pollution of a watershed.
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