英文摘要
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In recent years, the rainfall characteristics and rainfall erosivity index have changed due to the increase of extreme rainfall events in Taiwan. Therefore, it is an important issue to revise the rainfall erosivity index to conform to the current climate. This study collected 10-minute rainfall data from 58 stations of the Central Weather Bureau in the northern region for 17 years (2002 to 2018) and analyzed the annual average rainfall erosivity index of each rainfall station. The regression equations between the average rainfall erosivity index and rainfall were established for four seasons (spring, summer, autumn and winter), dry and wet seasons, and each year. The rainfall erosivity index of different return periods was also established. The contour map of the spatial distribution of rainfall erosivity index was drawn. The results of this study can be provided to practitioners related to soil and water conservation as an important reference.
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参考文献
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李明熹,廖怡雯,徐千筑(2018)。台灣南部降雨量與降雨沖蝕指數之時空變化。農業工程學報,64(1),41-59。
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