@article{8614ec8efecd445e91751f11b018ca96,
title = "The Korea-United States air quality (KORUS-AQ) field study",
abstract = "The Korea-United States Air Quality (KORUS-AQ) field study was conducted during May-June 2016. The effort was jointly sponsored by the National Institute of Environmental Research of South Korea and the National Aeronautics and Space Administration of the United States. KORUS-AQ offered an unprecedented, multi-perspective view of air quality conditions in South Korea by employing observations from three aircraft, an extensive ground-based network, and three ships along with an array of air quality forecast models. Information gathered during the study is contributing to an improved understanding of the factors controlling air quality in South Korea. The study also provided a valuable test bed for future air quality-observing strategies involving geostationary satellite instruments being launched by both countries to examine air quality throughout the day over Asia and North America. This article presents details on the KORUS-AQ observational assets, study execution, data products, and air quality conditions observed during the study. High-level findings from companion papers in this special issue are also summarized and discussed in relation to the factors controlling fine particle and ozone pollution, current emissions and source apportionment, and expectations for the role of satellite observations in the future. Resulting policy recommendations and advice regarding plans going forward are summarized. These results provide an important update to early feedback previously provided in a Rapid Science Synthesis Report produced for South Korean policy makers in 2017 and form the basis for the Final Science Synthesis Report delivered in 2020.",
keywords = "Air quality, KORUS-AQ, Ozone, PM2.5, Seoul, Transboundary pollution",
author = "Crawford, {James H.} and Ahn, {Joon Young} and Jassim Al-Saadi and Limseok Chang and Emmons, {Louisa K.} and Jhoon Kim and Gangwoong Lee and Park, {Jeong Hoo} and Park, {Rokjin J.} and Woo, {Jung Hun} and Song, {Chang Keun} and Hong, {Ji Hyung} and Hong, {You Deog} and Lefer, {Barry L.} and Meehye Lee and Taehyoung Lee and Saewung Kim and Min, {Kyung Eun} and Yum, {Seong Soo} and Shin, {Hye Jung} and Kim, {Young Woo} and Choi, {Jin Soo} and Park, {Jin Soo} and Szykman, {James J.} and Long, {Russell W.} and Jordan, {Carolyn E.} and Simpson, {Isobel J.} and Alan Fried and Dibb, {Jack E.} and Cho, {Seog Yeon} and Kim, {Yong Pyo}",
note = "Funding Information: The team would like to recognize the funding and institutional support from their two main sponsors: the National Institute of Environmental Research (NIER) of South Korea and the National Aeronautics and Space Administration (NASA) of the United States. Funding Information: The Korea–United States Air Quality (KORUS-AQ) field study was conducted during May–June 2016. The effort was jointly sponsored by the National Institute of Environmental Research of South Korea and the National Aeronautics and Space Administration of the United States. KORUS-AQ offered an unprecedented, multi-perspective view of air quality conditions in South Korea by employing observations from three aircraft, an extensive ground-based network, and three ships along with an array of air quality forecast models. Information gathered during the study is contributing to an improved understanding of the factors controlling air quality in South Korea. The study also provided a valuable test bed for future air quality– observing strategies involving geostationary satellite instruments being launched by both countries to examine air quality throughout the day over Asia and North America. This article presents details on the KORUS-AQ observational assets, study execution, data products, and air quality conditions observed during the study. High-level findings from companion papers in this special issue are also summarized and discussed in relation to the factors controlling fine particle and ozone pollution, current emissions and source apportionment, and expectations for the role of satellite observations in the future. Resulting policy recommendations and advice regarding plans going forward are summarized. These results provide an important update to early feedback previously provided in a Rapid Science Synthesis Report produced for South Korean policy makers in 2017 and form the basis for the Final Science Synthesis Report delivered in 2020. Funding Information: Investments in measurements that enhance GEMS validation and serve to connect surface monitoring to GEMS such as the emerging Pandora Asia Network (PAN) are particularly welcomed. Such efforts will extend integrated observations across the many Asian countries in the GEMS field of view and build the community of scientists working to inform and improve air quality across Asia. This vision is captured in the plans for building a Pan-Asia Partnership for Geospatial Air Pollution Information under the leadership of the United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP) and funding from the Korea International Cooperation Agency (KOICA). Publisher Copyright: {\textcopyright} 2021 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC-BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/.",
year = "2021",
month = may,
day = "12",
doi = "10.1525/elementa.2020.00163",
language = "English",
volume = "9",
journal = "Elementa",
issn = "2325-1026",
publisher = "University of California Press",
number = "1",
}