Abstract
As a rainfall field generation model, a random cascade is applied at the Miyama Radar observation area (192x192km) and the model parameters are identified by using radar rainfall data. To include the heterogeneity of rainfall fields into a random cascade, the dependence line on topographic elevations (DLTE) developed by Nakakita et al.(2001) is introduced, and the topographic effects of spatial rainfall fields are well simulated by using the random cascade generator.
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