Search Results - "Song, Chul H"
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Assimilation of next generation geostationary aerosol optical depth retrievals to improve air quality simulations
Published in Geophysical research letters (28-12-2014)“…Planned geostationary satellites will provide aerosol optical depth (AOD) retrievals at high temporal and spatial resolution which will be incorporated into…”
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Contribution of Organic Nitrates to Organic Aerosol over South Korea during KORUS-AQ
Published in Environmental science & technology (21-12-2021)“…The role of anthropogenic NOx emissions in secondary organic aerosol (SOA) production is not fully understood but is important for understanding the…”
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3
GOCI Yonsei Aerosol Retrieval (YAER) Algorithm and Validation During the DRAGON-NE Asia 2012 Campaign
Published in Atmospheric measurement techniques (01-04-2016)“…The Geostationary Ocean Color Imager (GOCI) onboard the Communication, Ocean, and Meteorological Satellite (COMS) is the first multi-channel ocean color imager…”
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Algorithm for retrieval of aerosol optical properties over the ocean from the Geostationary Ocean Color Imager
Published in Remote sensing of environment (17-05-2010)“…An aerosol retrieval algorithm for the first Geostationary Ocean Color Imager (GOCI) to be launched in March 2010 onboard the Communication, Ocean, and…”
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Synergistic combination of information from ground observations, geostationary satellite, and air quality modeling towards improved PM2.5 predictability
Published in NPJ climate and atmospheric science (23-05-2023)“…Concentrations of ambient particulate matter (such as PM 2.5 and PM 10 ) have come to represent a serious environmental problem worldwide, causing many deaths…”
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A three-dimensional modeling investigation of the evolution processes of dust and sea-salt particles in east Asia
Published in Journal of Geophysical Research (27-08-2001)“…The evolution of sea‐salt and dust particles in East Asia is investigated using a three‐dimensional transport and chemistry model. A kinetic approach under…”
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An evaluation of reaction probabilities of sulfate and nitrate precursors onto East Asian dust particles
Published in Journal of Geophysical Research - Atmospheres (27-09-2007)“…We investigate the chemical evolution of dust particles and examine the magnitudes of reaction probability (γ) of sulfate and nitrate precursors (such as…”
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The aging process of naturally emitted aerosol (sea-salt and mineral aerosol) during long range transport
Published in Atmospheric environment (1994) (01-06-1999)“…The aging processes of two representative natural aerosol, sea-salt and mineral aerosol, are investigated by using a box model equipped with a thermodynamic…”
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Development of a daily PM10 and PM2.5 prediction system using a deep long short-term memory neural network model
Published in Atmospheric chemistry and physics (18-10-2019)“…A deep recurrent neural network system based on a long short-term memory (LSTM) model was developed for daily PM10 and PM2.5 predictions in South Korea. The…”
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GOCI Yonsei aerosol retrieval version 2 products: an improved algorithm and error analysis with uncertainty estimation from 5-year validation over East Asia
Published in Atmospheric measurement techniques (17-01-2018)“…The Geostationary Ocean Color Imager (GOCI) Yonsei aerosol retrieval (YAER) version 1 algorithm was developed to retrieve hourly aerosol optical depth at 550…”
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Recent changes of trans-boundary air pollution over the Yellow Sea: Implications for future air quality in South Korea
Published in Environmental pollution (1987) (01-04-2019)“…The influence of air pollutants originating from the Chinese region on air quality over South Korea has been a major concern for policymakers. To investigate…”
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Development of a Reactive Plume Model for the Consideration of Power-Plant Plume Photochemistry and Its Applications
Published in Environmental science & technology (07-02-2017)“…A reactive plume model (RPM) was developed to comprehensively consider power-plant plume photochemistry with 255 condensed photochemical reactions. The RPM can…”
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13
Gas-particle partitioning of nitric acid modulated by alkaline aerosol
Published in Journal of atmospheric chemistry (01-09-2001)“…The role of alkaline mineral aerosol in controlling HNO^sub 3^ partitioning between gas and aerosol phases is explored using a comprehensive, process oriented…”
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14
An Estimation of Top-Down NOx Emissions from OMI Sensor Over East Asia
Published in Remote sensing (Basel, Switzerland) (01-06-2020)“…This study focuses on the estimation of top-down NOx emissions over East Asia, integrating information on the levels of NO2 and NO, wind vector, and…”
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Advanced Environmental Monitoring and Modeling (AEMM) 2014
Published in Chemosphere (Oxford) (01-01-2016)Get full text
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High-resolution mapping of SO2 using airborne observations from the GeoTASO instrument during the KORUS-AQ field study: PCA-based vertical column retrievals
Published in Remote sensing of environment (01-05-2020)“…The Geostationary Trace gas and Aerosol Sensor Optimization (GeoTASO) instrument is an airborne hyperspectral spectrometer measuring backscattered solar…”
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Mobile MAX-DOAS observation of NO2 and comparison with OMI satellite data in the western coastal areas of the Korean peninsula
Published in Chemosphere (Oxford) (01-01-2016)“…•Mobile MAX-DOAS measurement was conducted to map the distributions of NO2.•A Mini-MAX-DOAS instrument was mounted on the rooftop of a mobile lab…”
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Development of Korean Air Quality Prediction System version 1 (KAQPS v1) with focuses on practical issues
Published in Geoscientific Model Development (10-03-2020)“…For the purpose of providing reliable and robust air quality predictions, an air quality prediction system was developed for the main air quality criteria…”
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Ozone production efficiency of a ship-plume: ITCT 2K2 case study
Published in Chemosphere (Oxford) (01-01-2016)“…•Ship-plume ozone production efficiency (OPE) is first evaluated in this study.•Equivalent OPEs for the entire ITCT 2K2 ship-plume range from 9.74 to…”
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Estimation of surface-level PM concentration from satellite observation taking into account the aerosol vertical profiles and hygroscopicity
Published in Chemosphere (Oxford) (01-01-2016)“…Surface-level PM10 distribution was estimated from the satellite aerosol optical depth (AOD) products, taking the account of vertical profiles and…”
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