日本における1時間降水量の極値と地上観測気温の関係

抄録

Changes of the intensity and the frequency of extreme precipitation under climate change are great concerns to scientists and policy makers. We analyzed the 99th percentiles of 1-hour precipitation for each temperature bin based on the ground observational data. The result showed that, first: the 99th percentiles of 1-hour precipitation tend to increase exponentially with the rising temperature, second: the rate of the precipitation increase was almost same as the Clausius-Clapeyron like relation for most part of Japan, except that the rate was larger for lower latitude region, third : the 99th precipitation intensities tend to have a peak at higher temperature.