Research on change in frequency of extreme rainfall by climate change
Master(2017) Haruki WATANABE
Recently, heavy rainfall events attack Japan and cause disasters almost every years. These heavy rainfall events sometime overcome the criteria which are set by each government. Some of you may feel that heavy rainfall events are increasing. But are they really increasing, or how much do they increase? The question how temperature increase of global warming affect rainfall remains obscure.
In this study, the change in frequency of extreme rainfall between previous and recent period in Japan was compared with Clausius-Clapeyron （CC） rate: 7%/℃, in order to check if the change in frequency of extreme rainfall is similar to the CC. In many results, the change in frequency of extreme precipitation was similar to the CC rate: 7%/℃. If the rainfall increases in 7%/℃, the heavy rainfall in 2015 will change more heavy rainfall.
