日本地球惑星科学連合2022年大会

セッション情報

[E] 口頭発表

セッション記号 A (大気水圏科学) » A-CG 大気海洋・環境科学複合領域・一般

[A-CG35] 熱帯におけるマルチスケール大気海洋相互作用

2022年5月25日(水) 15:30 〜 17:00 201A (幕張メッセ国際会議場)

コンビーナ:東塚 知己(東京大学大学院理学系研究科地球惑星科学専攻)、コンビーナ:Richter Ingo(JAMSTEC Japan Agency for Marine-Earth Science and Technology)、今田 由紀子(気象庁気象研究所)、コンビーナ:大庭 雅道(電力中央研究所)、座長:今田 由紀子(気象庁気象研究所)、Ingo Richter(JAMSTEC Japan Agency for Marine-Earth Science and Technology)

Tropical ocean-atmosphere interactions exert a significant impact on regional and global climate on a broad range of spatio-temporal scales. Since the 1980s, in-situ and satellite observations, reanalysis products, and advancements in climate modeling have facilitated the analysis of various aspects of variability in the tropical ocean basins. This includes variability patterns on intraseasonal (e.g., MJO), interannual (e.g., ENSO, IOD, and Atlantic Nino) and decadal (e.g., IPO) timescales, and their linkages with tropical (e.g., monsoons) and extratropical (e.g., storm track) climate. Recent studies have revealed new aspects of tropical ocean-atmosphere interaction, such as the role of salinity and its influence on tropical cyclone intensification. Others have highlighted the coupling among the tropical Pacific, Indian Ocean, and Atlantic, and its role in seasonal prediction of the Asian summer monsoon and decadal ocean variability such as the so-called global warming "hiatus". Long term change in the Pacific Walker circulation has been recapturing attention because it is intricately linked to the fate of ENSO under global warming. Moreover, changes in the Walker circulation can alter the regional patterns of climate change and thereby modulate climate feedbacks and the sensitivity to radiative forcing.
Climate, its variability, and its long-term change under global warming are shaped by a variety of processes that are mutually interrelated. To examine these challenging issues from various perspectives and foster understanding of the role of tropical ocean-atmosphere interaction in the climate system, this session offers a forum to discuss recent progress in observational, modeling and theoretical studies of multi-scale ocean-atmosphere interaction in the tropics.

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