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Report No.

A New trajectory analysis method for migratory planthoppers, $$Sogatella furcifera$$ (Horv$'a$th) (Homoptera: Delphacidae) and $$Nilaparvata lugens$$ (St${aa}$l), using an advanced weather forecast model

Otsuka, Akira*; Dudhia, J.*; Watanabe, Tomonari*; Furuno, Akiko

A new method of backward trajectory analysis for planthopper migration is presented. The method consists of two components: an advanced weather forecast model, MM5, for weather simulation, and a migration model for trajectory calculation. Although the landing process is not considered in the modeling, it is shown that the method is able to precisely simulate the migration and accurately estimate various parameters. This study also shows the importance of high quality weather simulation.



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