[A-CG39] Science in the Arctic Region

[ACG39-P02] Global Covariability between Teleconnections and GDP Growth Rates

*Akane Kato¹, Yoshihiro Tachibana¹, Kensuke Komatsu², Yuta Ando^1,3 (1.Faculty of Bioresources, Mie University, 2.Meteorological Research Institute, Japan Meteorological Agency, 3.Faculty of Science, Niigata University)

Keywords:Teleconnection, GDP, PDO, SO

Weather and climate affect the economy. Weather in one region can affect weather in another region, such as the El Niño phenomenon. Similarly, the economy of one country can affect the economy of another. Therefore, when investigating the relationship between economy and weather or climate, it is necessary to study from a global perspective, while considering the remote influence. The purpose of this study is to investigate the relationship between atmospheric teleconnections and the GDP growth rate of each country, and to clarify the teleconnection pattern closely related to economic activity.
It is suggested that there is a relationship between Pacific Decadal Oscillation (PDO) Index or Southern Oscillation Index (SOI) and GDP growth rate. Empirical Orthogonal Function (EOF) analysis of the GDP growth rates revealed that the correlation between the first-mode index and the GDP growth rates of each country showed a negative correlation mainly in developing countries such as Africa and Southeast Asia. From this, the first mode is considered to represent the gap between developing countries and developed countries. Furthermore, the significant simultaneous correlation between the first mode index and PDO index or SOI was found. SOI was also significantly correlated with the index of the first mode of the following year. From the above, it could be suggested that the gap between developing and developed countries may be related to these teleconnection patterns.