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Ground slope analysis by model experiments and Japan Earth Resources Satellite-1 data.

To evaluate the roughness of the Earth 's surface, experiments were performed to determine the effects of ground slope using a remote sensing simulator. First, four kinds of cone made of cardboard are used as models and the reflection intensity to the direction of azimuth angle is measured by use of a remote sensing simulator. Second, Japan Earth Resources Satellite-1 data from the slope of Mt. Fuji in Japan are analyzed. Real slope angles are estimated based on the results of both the model experiments and the satellite data analysis.