El Nino Expert 'Professor Yesangwook' Named Scientist of June

Professor Seongwook Yeo confirmed through the analysis of the large-scale reversed circulation, which had not been analyzed in previous studies, that the central position of the Walker circulation, one of the major tropical atmospheric circulations, shifts eastward as atmospheric carbon dioxide increases. He also explained that the transport of water vapor from the subtropics to the tropics increases, leading to increased precipitation in the tropical western Pacific region.

[Asia Economy Reporter Junho Hwang] Professor Yesang Wook of the Department of Ocean Convergence Engineering at Hanyang University, who gained attention for his research showing that an increase in carbon dioxide leads to increased precipitation in the tropical Pacific, was selected as the recipient of the June Science and Technology Award on the 3rd.

The Ministry of Science and ICT and the National Research Foundation highly evaluated his contribution in identifying the cause of increased precipitation in the tropical Pacific due to rising carbon dioxide (CO2) levels, providing a foundation to predict future weather and climate changes, which are urgent challenges for humanity, and thus made this decision.

The Science and Technology Award of the Month is given monthly to one researcher who has contributed to the advancement of science and technology through excellent research and development achievements, awarding the Minister of Science and ICT Award and a prize of 10 million KRW.

Professor Ye is a natural scientist who has extensively researched the causes of climate change, weather and climate changes due to global warming, and the impact of fine dust on climate, presenting directions for solving future climate issues.

Through climate model experiments, he predicted future climate where atmospheric carbon dioxide (CO2) concentration is more than twice that of the pre-industrial era and proposed a new methodological approach to the precipitation structure in tropical regions.

According to his research, an increase in carbon dioxide concentration significantly raises precipitation in the western Pacific region. He revealed that these changes are due to the Walker circulation and Hadley circulation, which are major atmospheric circulations in this region, and demonstrated that to closely examine tropical climate changes caused by global warming, it is essential to consider the structural differences in atmospheric circulation. His research was published in the international academic journal Nature Communications.

Professor Ye stated, "This study is significant in presenting that the Walker circulation and Hadley circulation in tropical regions act as regulators determining detailed changes in the precipitation structure due to increased atmospheric carbon dioxide," adding, "Through this, I hope to predict future changes in the global water cycle and abnormal weather and climate variations."

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