한국환경과학회지 제31권 제6호 (p.503-513)

여름철 북태평양고기압 하에서 사쿠라지마 화산 분출(2018년 7월 16일)이 부산지역 초미세먼지 농도에 미치는 영향

Effect of Sakurajima Volcanic Eruption (July 16, 2018) on PM2.5 Concentration in Busan under Summertime North Pacific High Pressure Condition
키워드 :
Sakurajima volcano,North Pacific high pressure,Ultrafine particle

목차

Abstract
1. 서 론
2. 재료 및 연구방법
3. 결과 및 고찰
   3.1. 일본 사쿠라지마 화산의 개요
   3.2. 2018년 7월 16일 일본 사쿠라지마 화산의 분화
   3.3. 일본 사쿠라지마 화산 분화 시의 부산지역의 기상
   3.4. 일본 사쿠라지마 화산 분화와 부산지역의 PM10과PM2.5 농도
   3.5. 일본 사쿠라지마 화산 분화와 부산지역의 PM2.5 중의 이온 성분
4. 결 론
REFERENCES

초록

This research investigated the effect of the eruption of Japan Sakurajima volcano on the concentration of ultrafine particle when the north Pacific high pressure exists in the Busan in summer. As a result of analyzing the forward trajectory using the HYSPLIT model, the air parcel from Sakurajima volcano passed through the sea in front of Busan at 1500 LST on July 17, 24 hours after the volcanic eruption. As a result of analyzing the PM10 and PM2.5 concentrations in the Busan for two days from July 16 to 17, 2018, the Sakurajima eruption in Japan, it can be seen that there was a high increase in PM10 and PM2.5 concentrations compared to the previous day. As a result of analyzing the backward trajectory, the air mass that reached Busan at 1300 LST on July 17, 2018 has moved near the Sakurajima volcano at 1,500 m, 2,000 m, and 3,000 m. The concentration of SO4 2- in PM2.5, the concentration of all three stations in Busan showed a sharp increase from 1000 LST on July 17th. Looking at the NH4 + concentration in PM2.5, it shows a very similar variation trend to SO4 2-, and the correlation coefficient between the two components is 0.96 for Jangrimdong and Yeonsandong, and 0.85 for Busan New Port. Looking at the NO3 - concentration in PM2.5, the same high concentrations as SO4 2- and NH4 + were not observed in the afternoon of July 17th.