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http://dx.doi.org/10.14191/Atmos.2021.31.5.539

Analysis of Weather Records in Admiral Yi Sun-sin's Nanjung Ilgi  

Suh, Myoung-Seok (Department of Atmospheric Science, Kongju National University)
Cha, So-Yeong (Department of Atmospheric Science, Kongju National University)
Publication Information
Atmosphere / v.31, no.5, 2021 , pp. 539-551 More about this Journal
Abstract
In this paper, the weather records in 'Nanjung Ilgi' were investigated and the weather characteristics of the southern coast of Korea (SC_Korea) was discussed. The Nanjung Ilgi is a personal diary written by admiral Yi Sun-sin from January 1592 to November 1598 during the 7-year war caused by the Japanese invasion. He is a respected great leader in the history of world naval warfare, winning all 23 battles against the Japanese. Of the 1593 days of diaries currently preserved, only 42 days have no weather records. Weather was recorded in detail, including sky conditions, precipitation, wind characteristics and others. Weather records were extracted from the diary, converted to the solar calendar, and compared with the meteorological data of Yeosu. The average annual precipitation day is about 90 days, which is similar to the current 95~100 days. As in the current climate, precipitation frequently occurs for about 30 days in summer, but less than 15 days in other seasons, and the rainy season starts from June 14 to 21 and ends from July 6 to 17. It seems that the abnormal cold and heat phenomena, which deviate significantly from the seasonal average climate, occurred on 6 and 21 days, respectively, over 7 years. This means that the weather records of Nanjung Ilgi can be used as valuable data on the climate of SC_Korea in the late 16th century. The fact that he recorded the weather even in such extreme battle conditions shows that he clearly recognized the importance of weather in warfare.
Keywords
Admiral Yi Sun-sin; Nanjung Ilgi; weather records; precipitation characteristics;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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