Japan Geoscience Union Meeting 2022

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H (Human Geosciences ) » H-CG Complex & General

[H-CG26] Adaptation to climate change and its social implementation

Wed. Jun 1, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (18) (Ch.18)

convener:Hiroya Yamano(National Institute for Environmental Studies), convener:Yoichi Ishikawa(JAPAN Agency for Marine-Earth Science and Technology), KOJI DAIRAKU(University of Tsukuba), convener:Makoto Tamura(Global and Local Environment Co-creation Institute, Ibaraki University), Chairperson:Hiroya Yamano(National Institute for Environmental Studies), Yoichi Ishikawa(JAPAN Agency for Marine-Earth Science and Technology), KOJI DAIRAKU(University of Tsukuba), Makoto Tamura(Global and Local Environment Co-creation Institute, Ibaraki University)

11:00 AM - 1:00 PM

[HCG26-P04] Impact and economic assessments of sea level rise in Japanese coastal areas via shared socioeconomic pathways of population and land use

*Makoto Tamura1, Hiromune Yokoki2 (1.Global and Local Environment Co-creation Institute, Ibaraki University, 2.Graduate School of Science and Engineering, Ibaraki University)

Keywords:Climate change, Sea level rise, Economic impact, Adaptation

Sea level rise (SLR) due to climate change poses a serious threat to human populations in coastal areas. This study evaluated the impact of SLR and astronomical tides in coastal Japanese prefectures, and assessed outcomes such as the potentially inundated area, affected population, and economic damage. The latest climate scenarios, tidal data, and shared socioeconomic pathways (SSPs) were used to evaluate SLR and inundation effects in the coastal areas of Japan at a resolution of 1 km. Economic damage was estimated by following the “Manual for economic evaluation of flood control investment. The study also discusses some perspectives for preparing appropriate adaptation strategies for coastal areas of Japan.