日本地球惑星科学連合2018年大会

講演情報

[EE] Eveningポスター発表

セッション記号 A (大気水圏科学) » A-AS 大気科学・気象学・大気環境

[A-AS03] 最新の大気科学:台風研究の新展開~過去・現在・未来

2018年5月23日(水) 17:15 〜 18:30 ポスター会場 (幕張メッセ国際展示場 7ホール)

コンビーナ:中野 満寿男(海洋研究開発機構)、和田 章義(気象研究所台風研究部)、金田 幸恵(名古屋大学宇宙地球環境研究所、共同)、伊藤 耕介(琉球大学)

[AAS03-P12] Estimating Extreme Wind Speed in the Typhoons that Affected the Korean Peninsula in 2015

*JUNG WOO-SIK1PARK JONG-KIL1NA HANA1 (1.Dept. of Atmospheric Environment Information Engineering, Inje University, KOREA)

キーワード:Typhoon、Extreme Wind Speed

Owing to global warming, the strength of recent tropical cyclones (e.g., hurricanes, typhoons, etc.) has been gradually increasing, along with a rise in seawater temperature and heat capacity in tropical regions. In particular, hurricanes affecting the Korean peninsula are becoming stronger, along with a rapid increase in seawater temperatures around the Korean peninsula and in the west Pacific. In the last 10 years (2007-2016), approximately 35% of all damage due to natural disasters in Korea was caused by hurricanes, indicating the significant impact hurricanes have. Most damage due to hurricanes was caused either by severe rain storms or strong winds. Many studies have been conducted on damage due to severe rain storms from hurricanes, but very few have been done to estimate the associated strong winds and related damage. This study focuses on the year 2015, when four hurricanes hit the Korean peninsula and approximately 40% of total damage due to natural disasters was caused by hurricanes. The highest possible wind velocity during a hurricane on the Korean peninsula is examined, as calculated through WRF and RAM numerical modeling using RDAPS data. A wind velocity of 700 hPa was determined as the result of numerical modeling. RSMC Tokyo Typhoon Center Best Track data was also used for this study. In the distribution of highest hurricane wind velocities on the Korean peninsula in 2015, the 30-40 m/s wind velocity range comprised approximately 52%.

This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education(2017R1D1A3B03036152)