Sub-theme leader
YOKOKI Hiromune (Ibaraki University)
Summary
It is necessary to conduct appropriate adaptations to the adverse impacts of water disasters such as sea level rise and storm surges due to climate change in Japan, under various constraints. Therefore, we will project flooding and inundation impacts in the coastal area of Japan and evaluate their adaptation.
Goals
- We will project the impacts of flooding and inundation in the coastal area of Japan, and evaluate their adaptation. We will employ approximately 1 km downscaled climate scenarios and socio-economic scenarios from Theme 1 and other inputs from subthemes (e.g. 3(2) and 3(3)), and also estimate the economic impacts of inundation based on land use change. In sub-theme 3(1), we will address inundation impacts including sea level rise, storm surge, and river flooding.
- Based on detailed impact projections around coastal areas, we will determine local features and identify vulnerable areas and factors.
- We will evaluate various adaptations that include both hard and soft measures in natural disasters.
- We will estimate the economic damage and adaptation cost of inundation, suggest some guidelines for adaptation, and assess appropriate adaptation scenarios.
- Outputs are expected to contribute to the 3rd impact assessment of Japan around 2025 and also support adaptation planning in local and national governments.
Targets and plans
We will evaluate comprehensive impacts such as natural disasters, and assess their adaptation effectiveness.
We will project the impacts of flooding and inundation in the coastal area of Japan and evaluate their adaptation effectiveness. We will employ approximately 1 km downscaled climate scenarios and socio-economic scenarios from Theme 1 and other inputs from sub-themes (e.g. 3(2) and 3(3)). Considering socio-economic change and land use change, we will also estimate the economic impacts of inundation.
The evaluation of adaptation will include protection using both grey and green infrastructure, accommodation, and the situation under a decreasing population. We will also assess the economic impacts and adaptation costs.
Adaptations
- Protection using both grey and green infrastructures
- Accommodation and situation under decreasing population