Extreme weather events are occurring more frequently as a result of climate change. In
October 2019, eastern Japan was hit by Hagibis, a large and high-speed typhoon. This …

Field investigations and analyses of modern crevasse splay deposits can both elucidate the
levee breaching processes and help to identify past crevasse splay deposits from geologic …

This study marks a significant step toward the future development of river discharges
forecasted in real time for flash flood early warning system (EWS) disaster prevention …

This study aims to evaluate the change in flood inundation in the Chitose River basin (CRB),
a tributary of the Ishikari River, considering the extreme rainfall impacts and topographic …

Japan recently introduced a feed-in tariff for small-scale hydropower plants, promoting the
development of run-of-river hydropower plants in small-sized basins; however, appropriate …

Several mountainous river basins in Japan do not have a consistent hydrological record due
to their complex environment and remoteness, as discharge measurements are not …

The frequency of severe flood events has been increasing recently in Japan. One of the
latest events occurred in October 2019 and caused extensive damage in several river …

Water majorly contributes to soil erosion. Considering Japan's humid and rainy climate,
severe soil erosion challenges persist even though forests are the country's dominant land …

Recently, Japan has been hit by more frequent and severe rainstorms and floods. Typhoon
Hagibis caused heavy flooding in many river basins in central and eastern Japan from 12 …

Floods have the potential to occur in any location and at any time due to sustained rainfall
lasting for several days. In light of these situations, governments that are hesitant to assume …