Based on MODIS NDVI, this paper studied the variation trend of vegetation index in the years of 2000 to 2004 in Ningxia area using quantitative remote sensing technique and slope method.
采用定量遥感技术及斜率法，以全球植被指数MODIS NDVI数据作为数据源，对宁夏地区2000—2004年期间的植被指数变化幅度及变化趋势进行了研究。
At the same time, based on stable slope Angle on water and underwater measured in field, we adopted diagrammatical method to predict the area.
同时，也根据野外实测的水下和水上稳定坡角，采用图解法进行坍岸范围预测。
The effectiveness of the proposed method has been tested in a practical application to a landslide-prone road slope area in Japan.
通过对日本一国道边坡应用对本方法的有效性进行了验证。
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