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백두산 화산의 1654년 10월 21일 화산재구름 이동 기록에 대한 화산학적 고찰

Volcanological Interpretation of Historic Record of Ash Cloud Movement from Mt. Baegdu Volcano on October 21, 1654

  • 윤성효 (부산대학교 사범대학 지구과학교육과)
  • Yun, Sung-Hyo (Department of Earth Science Education, Pusan National University)
  • 투고 : 2018.01.29
  • 심사 : 2018.03.15
  • 발행 : 2018.03.31

초록

백두산 화산으로부터 폭발성 분화에 의한 것으로 추정되는 1654년의 조선왕조실록에 기록된 화산재 구름 이동의 역사기록을 화산학적 견지에서 고찰하였다. 1654년 10월 21일에 백두산에서 분화된 화산재와 화산가스가 북풍~북동풍의 바람을 타고 낮은 고도로 운반되어 재구름과 함께 한반도 남쪽으로 내려온 화산재로 해석할 수 있다. 그 영향 지역이 북쪽으로 함경도 남쪽 경계부에도 출현하였다는 것은 그 북쪽 즉 백두산에서 한반도 남쪽으로 남하한 것으로 평가된다. 분화지점인 백두산으로부터 약 500 km 이상 떨어진 경기도 적성과 장단 지역에 재구름이 통과한 것은 당시 백두산에서 중규모의 플리니식 분화로 형성된 분연주가 탁월풍의 영향으로 굽어진 형태로 지면을 따라 재구름을 형성하여 이동한 결과로 해석된다. 이를 유사 기상 장에서 수치 모의하여 재현하였다.

The volcanic history of the volcanic ash cloud movement recorded in the annals of the Choson dynasty in 1654, presumably due to explosive eruptions from Mt. Baekdu volcano. On October 21, 1654, volcanic ash and volcanic gas erupted from Mt. Baekdu could be interpreted as volcanic ash, which was transported to low altitude by winds of north and northeast winds and descended to the south of the peninsula along with volcanic ash clouds. The affected area appeared northward in the southern boundary of Hamgyeongdo, which is estimated to have moved the volcanic ash from Mt. Baekdu to the south of the Korean peninsula. Clouds of volcanic ash have passed through Jeokseong and Jangdan area, Gyeonggido about 500 km away from Mt. Baekdu. This is interpreted as a result of the formation of a volcanic ash cloud along the ground in a curved shape due to the influence of the prevailing wind, which was formed by Plinian-type eruption at Mt. Baekdu. This is reproduced by numerical simulations on the similar weather pattern model.

키워드

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