메뉴 건너뛰기
.. 내서재 .. 알림
소속 기관/학교 인증
인증하면 논문, 학술자료 등을  무료로 열람할 수 있어요.
한국대학교, 누리자동차, 시립도서관 등 나의 기관을 확인해보세요
(국내 대학 90% 이상 구독 중)
로그인 회원가입 고객센터 ENG
주제분류

추천
검색
질문

논문 기본 정보

자료유형
학술저널
저자정보
김정은 (국립기상과학원) 정원석 (국립기상과학원) 서원익 (국립기상과학원) 이선란 (국립기상과학원) 오상민 (국립기상과학원) 신대근 (국립기상과학원) 고희정 (국립기상과학원) 유희정 (국립기상과학원) 정주용 (국립기상과학원) 김연희 (기상청)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제38권 제4호
발행연도
2022.8
수록면
557 - 576 (20page)
DOI
10.5572/KOSAE.2022.38.4.557

이용수

표지
📌
연구주제
📖
연구배경
🔬
연구방법
🏆
연구결과
AI에게 요청하기
추천
검색
질문

이 논문의 연구 히스토리 (4)

초록· 키워드

오류제보하기
The meteorological and aerosol characteristics of heavy dust during the 2021 YES-AQ campaign were analyzed. The source region of Asian Dust were sufficiently warm and dry, which is a proper condition for dust particles to be well intruded from the surface into the air above. Asian dust transported to the Shandong peninsula in China by the northwesterly, and then flowed into the Korean peninsula by the westerly. When the fine-mode aerosol is dominated in the period before arrival of Asian dust, scattering mass efficiency of PM<SUB>10</SUB> was 5.3 m²/g and secondary pollutants such as sulfate, nitrate, and ammonium accountd for 50% of the total PM<SUB>10</SUB> mass concentration. During the heavy dust period, PM<SUB>10</SUB> mass concentration was maintained at 676~1,384 μg/m³ for about 24 hours from 21 KST on March 29, 2021 which is 25 times higher than the PM<SUB>10</SUB> mass concentration before the Asian dust arrived. The light absorption coefficient in the heavy dust period was 38.5±9.4 Mm<SUP>-1</SUP>, which was higher than in the period before the arrival of Asian dust (22.5±10.2 Mm<SUP>-1</SUP>) confirming the Asian dust was highly absorbing. The scattering Ångström exponent and absorption Ångström exponent were 0.29 and 2.64, respectively, which are similar to the values reported around the Asian Dust source region. Although the concentration of fine particles did not increase during HD, it is presumed that the Asian Dust and fine particles were combined as the concentration of ions of anthropogenic pollutants increased to 15 μg/m³. Aerosol physical and optical properties were observed at 0.5~5.0 km over the Yellow Sea using an aircraft during HD. The coarse particle concentration and light scattering coefficient (545.7 Mm<SUP>-1</SUP>) and the light absorption coefficient (23.1 Mm<SUP>-1</SUP>) were the highest at the altitude of 0.9 km (36.5°N, 124.4°E). The scattering Ångström exponent (-0.067±0.13) and the absorption Ångström exponent (1.3~1.9) showed distinct characteristics of dust. The vertical lapse rate of the temperature from the aircraft and the backward trajectory analysis declared that the air origins were different below and over the altitude of 1.8 km.

목차

Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
References

참고문헌 (0)

참고문헌 신청

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!

이 논문의 저자 정보

이 논문과 함께 이용한 논문

최근 본 자료

전체보기

댓글(0)

0