국립부경대학교 Atmospheric Chemistry & Monitoring Lab.

Spatial and PMF analysis of particle size distributions simultaneously measured at foue locations at the roadside of highways

Nam Geon Kim, Sang Bin Jeong, Hyoun Cher Jin, Jiwon Lee, Kyung-Hwan Kim, San Kim, Yongmi Park, Wonsik Choi, Kyung-Hwan Kwak, Hyunho Lee, Giwon Kang, Changhyuk Kim, Sang-Hee Woo, Seokhwan Lee, Wooyung Kim, Kangho Ahn, Kwan-Young Lee, Seung-Bok Lee

Journal : Science of The Total Environment

Estimating vehicular emission factors and vehicle-induced turbulence: Application of an air quality sensor array for continuous multipoint monitoring in a tunnel

HanGyeol Song, Kyucheol Hwang, Ho-Seon Park, Yongmi Park, Subin Han, Myounghwa Byun, Jae-Jin Kim, Joon Geon An, Un Hyuk Yim, Wonsik Choi

Journal : Atmospheric Pollution Research

Mobile measurement of vehicle emission factors in a roadway tunnel: A concentration gradient approach

Kyucheol Hwang, Joon Geon An, Andrew Loh, Donghwi Kim, Narin Choi, Hangyeol Song, Wonsik Choi, Un Hyuk Yim

Journal : Chemosphere

Spatiotemporal variability of the PM2.5 distribution and weather anomalies during severe pollution events: Observations from 462 air quality monitoring stations across South Korea

Subin Han, Yongmi Park, Namkyu Noh, Joo-Hong Kim, Jae-Jin Kim, Baek-Min Kim, Wonsik Choi

Journal : Atmospheric Pollution Research

Preliminary study on the effect of using heat-not-burn tobacco products on indoor air quality

Seong-Ji Yu, Min-Ku Kwon, Wonsik Choi, Youn-Suk Son

Journal : Environmental Research

Classification of large-scale circulation patterns and their spatio-temporal variability during High-PM10 events over the Korean Peninsula

Ho-Young Ku, Namkyu Noh, Jee-Hoon Jeong, Ja-Ho Koo, Wonsik Choi, Baek-Min Kim, Daegyun Lee, Soo-Jin Ban

Journal : Atmospheric Environment

Effects of Fences and Green Zones on the Air Flow and PM2.5 Concentration around a School in a Building-Congested District

Soo-Jin Park, Geon Kang, Wonsik Choi, Do-Yong Kim, Jinsoo Kim, Jae-Jin Kim

Journal : Applied Sciences

Intra–Community Scale Variability of Air Quality in the Center of a Megacity in South Korea: A High-Density Cost-Effective Sensor Network

Yongmi Park, Ho-Seon Park, Subin Han, Kyucheol Hwang, Seunghyun Lee, Jin-Young Choi, Jae-Bum Lee, Sang-Hyun Lee, Kyung-Hwan Kwak, Jae-Jin Kim, Wonsik Choi

Journal : Applied Sciences

Computational Fluid Dynamics Simulation of Tree Effects on Pedestrian Wind Comfort in an Urban Area

Geon Kang, Jae-Jin Kim, Wonsik Choi

Journal : Sustainable Cities and Society

Flow Characteristics Around Step-Up Street Canyons with Various Building Aspect Ratios

Soo-Jin Park, Jae-Jin Kim, Wonsik Choi, Eun-Ryoung Kim, Chang-Keun Song & Eric R. Pardyjak

Journal : Boundary-Layer Meteorology

Effectiveness of vegetation and sound wall-vegetation combination barriers on pollution dispersion from freeways under early morning conditions

Dilhara Ranasinghe, Eon S. Lee, Yifang Zhu, Isis Frausto-Vicencio, Wonsik Choi, Wu Sun, Steve Mara, Ulrike Seibt, Suzanne E. Paulson

Journal : Science of The Total Environment

The Potential of Commercial Sensors for Short-term Spatially Dense Air Quality Monitoring: Based on Multiple Short-term Evaluations of 30 Sensor Nodes in Urban Areas in Korea

Ho-Seon Park, Ra-Eun Kim, Yong-Mi Park, Kyu-Cheol Hwang, Seung-Hyun Lee, Jae-Jin Kim, Jin-Young Choi, Dae-Gyun Lee, Lim-Seok Chang, Wonsik Choi

Journal : Aerosol and Air Quality Research

Field evaluation of vegetation and noise barriers for mitigation of near-freeway air pollution under variable wind conditions

Eon S. Lee, Dilhara R. Ranasinghe, Faraz Enayati Ahangar, Seyedmorteza Amini, Steven Mara, Wonsik Choi, Suzanne Paulson, Yifang Zhu

Journal : Atmospheric Environment

Where to locate transit stops: Cross-intersection profiles of ultrafine particles and implications for pedestrian exposure

Wonsik Choi, Dilhara Ranasinghe, J.R. DeShazo, Jae-Jin Kim, Suzanne E. Paulson

Journal : Environmental Pollution

Development of a computational fluid dynamics model with tree drag parameterizations: Application to pedestrian wind comfort in an urban area

Geon Kang, Jae-Jin Kim, Dong-Ju Kim, Wonsik Choi, Soo-Jin Park

Journal : Building and Environment

Closing the ultrafine particle number concentration budget at road-to-ambient scale: Implications for particle dynamics

Wonsik Choi, Suzanne E. Paulson

Journal : Aerosol Science and Technology

Developing High Spatial Resolution Concentration Maps Using Mobile Air Quality Measurements

Dilhara R. Ranasinghe, Wonsik Choi, Arthur M. Winer, Suzanne E. Paulson

Journal : Aerosol and Air Quality Research

The effects of the built environment, traffic patterns, and micrometeorology on street level ultrafine particle concentrations at a block scale: Results from multiple urban sites

Wonsik Choi, Dilhara Ranasinghe, Karen Bunavage, J.R. DeShazo, Lisa Wu, Rodrigo Seguel, Arthur M. Winer, Suzanne E. Paulson

Journal : Science of The Total Environment

Factors controlling pollutant plume length downwind of major roadways in nocturnal surface inversions

Wonsik Choi, Arthur M Winer, Suzanne E. Paulson

Journal : Atmospheric Chemistry and Physics

Air quality impacts of a scheduled 36-h closure of a major highway

David C. Quiros, Qunfang Zhang, Wonsik Choi, Meilu He, Suzanne E. Paulson, Arthur M. Winer, Rui Wang, Yifang Zhu

Journal : Atmospheric Environment

Evaluating meteorological comparability in air quality studies: Classification and regression trees for primary pollutants in California's South Coast Air Basin

Wonsik Choi, Suzanne E. Paulson, J. Cassmassi, Arthur M Winer

Journal : Atmospheric Environment

Neighborhood-scale air quality impacts of emissions from motor vehicles and aircraft

Wonsik Choi, Shishan Hu, Meilu He, Kathleen Kozawa, Steve Mara, Arthur M. Winer, Suzanne E. Paulson

Journal : Atmospheric Environment

Prevalence of wide area impacts downwind of freeways under pre-sunrise stable atmospheric conditions

Wonsik Choi, Meilu He, Vincent Barbesant, Kathleen H. Kozawa, Steve Mara, Arthur M. Winer, Suzanne E. Paulson

Journal : Atmospheric Environment

Estimating the atmospheric boundary layer height over sloped, forested terrain from surface spectral analysis during BEARPEX

W. Choi, I. C. Faloona, M. McKay, A. H. Goldstein, and B. Baker

Journal : Atmospheric Chemistry and Physics

Photochemical modeling of glyoxal at a rural site: observations and analysis from BEARPEX 2007

A. J. Huisman, J. R. Hottle, M. M. Galloway, J. P. DiGangi, K. L. Coens, W. Choi, I. C. Faloona, J. B. Gilman, W. C. Kuster, J. de Gouw, N. C. Bouvier-Brown, A. H. Goldstein, B. W. LaFranchi, R. C. Cohen, G. M. Wolfe, J. A. Thornton, K. S. Docherty, D. K. Farmer, M. J. Cubison, J. L. Jimenez, J. Mao, W. H. Brune, and F. N. Keutsch

Journal : Atmospheric Chemistry and Physics

Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons

W. Choi, I. C. Faloona, N. C. Bouvier-Brown, M. McKay, A. H. Goldstein, J. Mao, W. H. Brune, B. W. LaFranchi, R. C. Cohen, G. M. Wolfe, J. A. Thornton, D. M. Sonnenfroh, and D. B. Millet

Journal : Atmospheric Chemistry and Physics