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2026 Vol.61, Issue 4 Preview Page
Wind Directions for Effective PM10 Advection over the Korean Peninsula

한반도 대기질에 영향을 미치는 PM10 이류의 유효바람방향

Younji Baeka
,
Namyoung Kangb*
백 윤지a
,
강 남영b*
aMA Student, Department of Geography, Kyungpook National University
bAssociate Professor, Department of Geography, Kyungpook National University
a경북대학교 지리학과 석사과정
b경북대학교 지리학과 부교수
*Corresponding Author
31 August 2026. pp. 498-510
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Abstract

Air quality over the Korean Peninsula is significantly influenced by the advection of particulate matter (PM10). During high-concentration episodes, up to 80% of the variability can be explained by advection alone. This study develops a model for the seasonal wind directions governing PM10 advection that affect air quality over the Korean Peninsula and analyzes the associated pressure patterns. To this end, aerosol reanalysis data were used to develop a model for the effective wind directions and derive the corresponding geopotential height fields. PM10 advection was the greatest in spring, followed by winter, fall, and summer. Notably, unlike other seasons, fall showed a distinct characteristic where decreasing soil moisture over the Manchuria region causes stronger northwesterly PM10 advection. This suggests that when a west-high/east-low pressure pattern forms earlier than usual in fall, high-concentration PM10 is likely to increase over the Korean Peninsula by the northwesterly flows. These results indicate the potential utility of the specific pressure patterns and wind directions to suppose the seasonal advection of high PM10 in advance. The findings of this study are expected to contribute to a better understanding of the seasonal characteristics of high PM10 episodes over the Korean Peninsula and the climatological conditions associated with their occurrences.

Keywords
air quality
PM10
particulate matter
advection
Korean Peninsula
effective wind direction

한반도 대기질은 미세먼지(PM10)의 이류 정도에 큰 영향을 받는다. 고농도 미세먼지가 발생하였을 때, PM10 농도 변동에 대한 이류의 설명력은 최대 80%까지 나타났다. 본 논문은 한반도 대기질에 영향을 미치는 PM10 이류의 계절별 유효바람방향을 추출하고 그 기압계 패턴을 분석하였다. 이를 위해 에어로졸 재분석 자료를 활용하여 유효바람방향을 모델링하고 이에 대한 지위고도장을 산출하였다. PM10의 이류는 봄, 겨울, 가을 그리고 여름 순으로 크게 나타났다. 한편, 다른 계절과 달리 가을철은 만주지역 토양수분 함량의 감소 특성과 맞물려, 북서풍이 커질수록 PM10의 이류가 잘 드러나는 특징을 보였다. 이는 가을철 서고동저형 기압계가 이르게 형성될 경우, 북서풍을 따라 고농도 PM10이 한반도에 유입될 가능성이 높아짐을 시사한다. 본 연구의 결과는 한반도에서 발생하는 고농도 미세먼지의 계절별 특성과 이를 유발하는 기후학적 배경을 이해하는데 기여할 것으로 기대된다.

키워드
대기질
PM10
미세먼지
이류
한반도
유효바람방향
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Information
  • Publisher :The Korean Geographical Society
  • Publisher(Ko) :대한지리학회
  • Journal Title :Journal of the Korean Geographical Society
  • Journal Title(Ko) :대한지리학회지
  • Volume : 61
  • No :4
  • Pages :498-510
  • Received Date : 2026-04-08
  • Revised Date : 2026-07-06
  • Accepted Date : 2026-07-09
  • DOI :https://doi.org/10.22776/kgs.2026.61.4.498
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