| Speaker | KOIKE Toshio, Executive Director, International Centre for Water Hazard and Risk Management (ICHARM), Public Works Research Institute (PWRI) |
|---|---|
| Time | 18:30-20:00, September 14 2023 (Doors open at 18:00) |
| Venue | 5th Floor, Lecture Room M, GRIPS, 7-22-1 Roppongi, Minato-ku, Tokyo (Access ) |
| Sponsor | GRIPS Innovation, Science and Technology Policy Program (GIST) |
| Language | English (No Interpreter) |
| Fee | Free (Pre-registration required) |
Outline:
As human emissions of greenhouse gases increase, unprecedented heavy precipitation events are occurring more frequently and more widely. The IPCC's Sixth Assessment Report, published in 2021, states that "it is unequivocal that human influence has warmed the atmosphere, ocean, and land" and that "extreme daily precipitation events are projected to intensify by about 7% for each 1 ℃ of global warming".
In Japan, a method has been established using datasets obtained by combining the large-scale ensemble climate projection and dynamic downscaling to obtain rainfall change rates for extreme rainfall, which are then multiplied by the design rainfall to modify flood control plans.
As a new flood management policy capable of responding to this change, "River Basin Disaster Resilience and Sustainability by All" are currently being implemented. In addition to further accelerating measures taken by river administrators in river areas, this new policy aims to improve rainwater retention functions in catchment areas, reduce flood-prone areas, and promote damage mitigation and rapid restoration/rehabilitation measures, thereby making society more resilient to external forces that are greater than planned. This policy aims to minimize damage and create a sustainable community, which requires the cooperation of all stakeholders in the watershed.
Seminar Info (Details):
English version
