Zobrazeno 1 - 10
of 389
pro vyhledávání: '"Jhoon Kim"'
Autor:
Qianqian Yang, Jhoon Kim, Yeseul Cho, Won-Jin Lee, Dong-Won Lee, Qiangqiang Yuan, Fan Wang, Chenhong Zhou, Xiaorui Zhang, Xiang Xiao, Meiyu Guo, Yike Guo, Gregory R. Carmichael, Meng Gao
Publikováno v:
npj Climate and Atmospheric Science, Vol 6, Iss 1, Pp 1-9 (2023)
Abstract Machine learning is widely used to infer ground-level concentrations of air pollutants from satellite observations. However, a single pollutant is commonly targeted in previous explorations, which would lead to duplication of efforts and ign
Externí odkaz:
https://doaj.org/article/b816b65509014ad2a25dfce4df3d1449
Autor:
Jaemin Hong, Jhoon Kim, Yeonjin Jung, Woogyung Kim, Hyunkwang Lim, Sujong Jeong, Seoyoung Lee
Publikováno v:
GIScience & Remote Sensing, Vol 60, Iss 1 (2023)
Near-real time observations of aerosol properties could have a potential to improve the accuracy of XCO2 retrieval algorithm in operational satellite missions. In this study, we developed a retrieval algorithm of XCO2 (Yonsei Retrieval Algorithm; YCA
Externí odkaz:
https://doaj.org/article/f463f55a0f1d4c53b881dc40bb31350d
Autor:
Jinhyeok Yu, Chul H. Song, Dogyeong Lee, Sojin Lee, Hyun S. Kim, Kyung M. Han, Seohui Park, Jungho Im, Soon-Young Park, Moongu Jeon, Vincent-Henri Peuch, Pablo E. Saide, Gregory R. Carmichael, Jeeho Kim, Jhoon Kim, Chang-Keun Song, Jung-Hun Woo, Seong-Hyun Ryu
Publikováno v:
npj Climate and Atmospheric Science, Vol 6, Iss 1, Pp 1-9 (2023)
Abstract Concentrations of ambient particulate matter (such as PM2.5 and PM10) have come to represent a serious environmental problem worldwide, causing many deaths and economic losses. Because of the detrimental effects of PM2.5 on human health, man
Externí odkaz:
https://doaj.org/article/94844b6878934ba4bd1446e920684036
Autor:
Heesung Chong, Seoyoung Lee, Yeseul Cho, Jhoon Kim, Ja-Ho Koo, Yong Pyo Kim, Younha Kim, Jung-Hun Woo, Dha Hyun Ahn
Publikováno v:
Environment International, Vol 171, Iss , Pp 107708- (2023)
North Korea’s air quality is poorly understood due to a lack of reliable data. Here, we analyzed urban- to national-scale air quality changes in North Korea using multi-year satellite observations. Pyongyang, Nampo, Pukchang, and Munchon were ident
Externí odkaz:
https://doaj.org/article/3c27cdf6d2cf464e955e920f3b263880
Publikováno v:
GIScience & Remote Sensing, Vol 58, Iss 7, Pp 1175-1194 (2021)
This study develops an aerosol data assimilation and forecast system using the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) and the three-dimensional variational (3D-VAR) data assimilation method. The system assimilates th
Externí odkaz:
https://doaj.org/article/64815ae65b474baaa5889ba9fa99f628
Autor:
Muhammad Bilal, Md. Arfan Ali, Janet E. Nichol, Max P. Bleiweiss, Gerrit de Leeuw, Alaa Mhawish, Yuan Shi, Usman Mazhar, Tariq Mehmood, Jhoon Kim, Zhongfeng Qiu, Wenmin Qin, Majid Nazeer
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Numerous studies (hereafter GA: general approach studies) have been made to classify aerosols into desert dust (DD), biomass-burning (BB), clean continental (CC), and clean maritime (CM) types using only aerosol optical depth (AOD) and Ångström exp
Externí odkaz:
https://doaj.org/article/cb46647640b749709183c1a07c743e21
Autor:
Ja-Ho Koo, Jhoon Kim, Yun Gon Lee, Sang Seo Park, Seoyoung Lee, Heesung Chong, Yeseul Cho, Jaemin Kim, Kyungbae Choi, Taegyung Lee
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
Abstract By using multiple satellite measurements, the changes of the aerosol optical depth (AOD) and nitrogen dioxide (NO2) over South Korea were investigated from January to March 2020 to evaluate the COVID-19 effect on the regional air quality. Th
Externí odkaz:
https://doaj.org/article/b71c105d0dd14a3986e6b5e80344ee63
Autor:
Ranjeet S. Sokhi, Vikas Singh, Xavier Querol, Sandro Finardi, Admir Créso Targino, Maria de Fatima Andrade, Radenko Pavlovic, Rebecca M. Garland, Jordi Massagué, Shaofei Kong, Alexander Baklanov, Lu Ren, Oksana Tarasova, Greg Carmichael, Vincent-Henri Peuch, Vrinda Anand, Graciela Arbilla, Kaitlin Badali, Gufran Beig, Luis Carlos Belalcazar, Andrea Bolignano, Peter Brimblecombe, Patricia Camacho, Alejandro Casallas, Jean-Pierre Charland, Jason Choi, Eleftherios Chourdakis, Isabelle Coll, Marty Collins, Josef Cyrys, Cleyton Martins da Silva, Alessandro Domenico Di Giosa, Anna Di Leo, Camilo Ferro, Mario Gavidia-Calderon, Amiya Gayen, Alexander Ginzburg, Fabrice Godefroy, Yuri Alexandra Gonzalez, Marco Guevara-Luna, Sk. Mafizul Haque, Henno Havenga, Dennis Herod, Urmas Hõrrak, Tareq Hussein, Sergio Ibarra, Monica Jaimes, Marko Kaasik, Ravindra Khaiwal, Jhoon Kim, Anu Kousa, Jaakko Kukkonen, Markku Kulmala, Joel Kuula, Nathalie La Violette, Guido Lanzani, Xi Liu, Stephanie MacDougall, Patrick M. Manseau, Giada Marchegiani, Brian McDonald, Swasti Vardhan Mishra, Luisa T. Molina, Dennis Mooibroek, Suman Mor, Nicolas Moussiopoulos, Fabio Murena, Jarkko V. Niemi, Steffen Noe, Thiago Nogueira, Michael Norman, Juan Luis Pérez-Camaño, Tuukka Petäjä, Stuart Piketh, Aditi Rathod, Ken Reid, Armando Retama, Olivia Rivera, Néstor Y. Rojas, Jhojan P. Rojas-Quincho, Roberto San José, Odón Sánchez, Rodrigo J. Seguel, Salla Sillanpää, Yushan Su, Nigel Tapper, Antonio Terrazas, Hilkka Timonen, Domenico Toscano, George Tsegas, Guus J.M. Velders, Christos Vlachokostas, Erika von Schneidemesser, Rajasree VPM, Ravi Yadav, Rasa Zalakeviciute, Miguel Zavala
Publikováno v:
Environment International, Vol 157, Iss , Pp 106818- (2021)
This global study, which has been coordinated by the World Meteorological Organization Global Atmospheric Watch (WMO/GAW) programme, aims to understand the behaviour of key air pollutant species during the COVID-19 pandemic period of exceptionally lo
Externí odkaz:
https://doaj.org/article/26ef7a0886234fbbb9111e89f22610f7
Publikováno v:
Progress in Earth and Planetary Science, Vol 6, Iss 1, Pp 1-16 (2019)
Abstract To assess air pollution emitted in Southern Hemisphere mid-latitudes and transported to Antarctica, we investigate the climatological mean and temporal trends in aerosol optical depth (AOD), carbon monoxide (CO), nitrogen dioxide (NO2), and
Externí odkaz:
https://doaj.org/article/e693a7dfe6e64f8e82dc30e7bef495c9
Autor:
Sang-Min Kim, Ja-Ho Koo, Hana Lee, Jungbin Mok, Myungje Choi, Sujung Go, Seoyoung Lee, Yeseul Cho, Jaemin Hong, Sora Seo, Junhong Lee, Je-Woo Hong, Jhoon Kim
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10755 (2021)
Based on multiple linear regression (MLR) models, we estimated the PM2.5 at Seoul using a number of aerosol optical depth (AOD) values obtained from ground-based and satellite remote sensing observations. To construct the MLR model, we consider vario
Externí odkaz:
https://doaj.org/article/9275883b079244d1bfe0301639353d8c