Zobrazeno 1 - 10
of 208
pro vyhledávání: '"R. J. Park"'
Autor:
Y. J. Oak, D. J. Jacob, N. Balasus, L. H. Yang, H. Chong, J. Park, H. Lee, G. T. Lee, E. S. Ha, R. J. Park, H.-A. Kwon, J. Kim
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 5147-5159 (2024)
The Geostationary Environment Monitoring Spectrometer (GEMS) launched in February 2020 is now providing continuous daytime hourly observations of nitrogen dioxide (NO2) columns over eastern Asia (5° S–45° N, 75–145° E) with 3.5 × 7.7 km2 pixe
Externí odkaz:
https://doaj.org/article/91a0936e98f04c15b001880ebe9ffa7c
Autor:
G. T. Lee, R. J. Park, H.-A. Kwon, E. S. Ha, S. D. Lee, S. Shin, M.-H. Ahn, M. Kang, Y.-S. Choi, G. Kim, D.-W. Lee, D.-R. Kim, H. Hong, B. Langerock, C. Vigouroux, C. Lerot, F. Hendrick, G. Pinardi, I. De Smedt, M. Van Roozendael, P. Wang, H. Chong, Y. Cho, J. Kim
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 4733-4749 (2024)
The Geostationary Environment Monitoring Spectrometer (GEMS) on board GEO-KOMPSAT-2B was launched in February 2020 and has been monitoring atmospheric chemical compositions over Asia. We present the first evaluation of the operational GEMS formaldehy
Externí odkaz:
https://doaj.org/article/4f43291aef7d42f1b7cf3d379d8da046
Autor:
S. Zhai, D. J. Jacob, J. F. Brewer, K. Li, J. M. Moch, J. Kim, S. Lee, H. Lim, H. C. Lee, S. K. Kuk, R. J. Park, J. I. Jeong, X. Wang, P. Liu, G. Luo, F. Yu, J. Meng, R. V. Martin, K. R. Travis, J. W. Hair, B. E. Anderson, J. E. Dibb, J. L. Jimenez, P. Campuzano-Jost, B. A. Nault, J.-H. Woo, Y. Kim, Q. Zhang, H. Liao
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 16775-16791 (2021)
Geostationary satellite measurements of aerosol optical depth (AOD) over East Asia from the Geostationary Ocean Color Imager (GOCI) and Advanced Himawari Imager (AHI) instruments can augment surface monitoring of fine particulate matter (PM2.5) air q
Externí odkaz:
https://doaj.org/article/830494bd69aa4746bf55ffa09ea9dd7c
Autor:
H.-A. Kwon, R. J. Park, G. González Abad, K. Chance, T. P. Kurosu, J. Kim, I. De Smedt, M. Van Roozendael, E. Peters, J. Burrows
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 3551-3571 (2019)
We describe a formaldehyde (HCHO) retrieval algorithm for the Geostationary Environment Monitoring Spectrometer (GEMS) that will be launched by the Korean Ministry of Environment in 2019. The algorithm comprises three steps: preprocesses, radiance fi
Externí odkaz:
https://doaj.org/article/ec47d6e5560743f78fed8a6f072b4ae3
Autor:
C.-K. Liang, J. J. West, R. A. Silva, H. Bian, M. Chin, Y. Davila, F. J. Dentener, L. Emmons, J. Flemming, G. Folberth, D. Henze, U. Im, J. E. Jonson, T. J. Keating, T. Kucsera, A. Lenzen, M. Lin, M. T. Lund, X. Pan, R. J. Park, R. B. Pierce, T. Sekiya, K. Sudo, T. Takemura
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 10497-10520 (2018)
Ambient air pollution from ozone and fine particulate matter is associated with premature mortality. As emissions from one continent influence air quality over others, changes in emissions can also influence human health on other continents. We es
Externí odkaz:
https://doaj.org/article/73fae158840a4e6cb9a7c0ddc8413349
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 3839-3864 (2018)
This study analyzes simulated regional-scale ozone burdens both near the surface and aloft, estimates process contributions to these burdens, and calculates the sensitivity of the simulated regional-scale ozone burden to several key model inputs w
Externí odkaz:
https://doaj.org/article/d9670f289327477ebe96b01aaca941b9
Autor:
C. Cho, S.-W. Kim, M. Rupakheti, J.-S. Park, A. Panday, S.-C. Yoon, J.-H. Kim, H. Kim, H. Jeon, M. Sung, B. M. Kim, S. K. Hong, R. J. Park, D. Rupakheti, K. S. Mahata, P. S. Praveen, M. G. Lawrence, B. Holben
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Pp 12617-12632 (2017)
Particulate air pollution in the Kathmandu Valley has reached severe levels that are mainly due to uncontrolled emissions and the location of the urban area in a bowl-shaped basin with associated local wind circulations. The AERONET measurements f
Externí odkaz:
https://doaj.org/article/9e29a228b338446ba22430011ee6ecc7
Autor:
M. Huang, G. R. Carmichael, R. B. Pierce, D. S. Jo, R. J. Park, J. Flemming, L. K. Emmons, K. W. Bowman, D. K. Henze, Y. Davila, K. Sudo, J. E. Jonson, M. Tronstad Lund, G. Janssens-Maenhout, F. J. Dentener, T. J. Keating, H. Oetjen, V. H. Payne
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 9, Pp 5721-5750 (2017)
The recent update on the US National Ambient Air Quality Standards (NAAQS) of the ground-level ozone (O3) can benefit from a better understanding of its source contributions in different US regions during recent years. In the Hemispheric Transport of
Externí odkaz:
https://doaj.org/article/f19c4d9c949b4f2d95b06538ffb383f2
Autor:
H.-A. Kwon, R. J. Park, J. I. Jeong, S. Lee, G. González Abad, T. P. Kurosu, P. I. Palmer, K. Chance
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 7, Pp 4673-4686 (2017)
We examine upcoming geostationary satellite observations of formaldehyde (HCHO) vertical column densities (VCDs) in East Asia and the retrieval sensitivity to the temporal variation of air mass factors (AMFs) considering the presence of aerosols. Obs
Externí odkaz:
https://doaj.org/article/caa89c87432d44f8b38c13c5fee2f177
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 7917-7941 (2016)
Recent laboratory studies suggest that secondary organic aerosol (SOA) formation rates are higher than assumed in current models. There is also evidence that SOA removal by dry and wet deposition occurs more efficiently than some current models su
Externí odkaz:
https://doaj.org/article/799c06805aaf412da0667edfeb448b2f