EGU2020-20978
https://doi.org/10.5194/egusphere-egu2020-20978
EGU General Assembly 2020
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Validation of GEMS L2 products using ground-based remote sensing data including PANDORA measurements

KangHo Bae1, Chang-Keun Song1, Sang-Seo Park1, Sang-Woo Kim2, Jhoon Kim3, Chang-Seok Lee4, Jong-Min Yoon4, and Limseok Chang4
KangHo Bae et al.
  • 1Ulsan National Institute of Science and Technology (UNIST), Korea
  • 2Seoul National University, Korea
  • 3Yonsei University, Korea
  • 4National Institute of Environmental Research (NIER), Korea

Launch of the Geostationary Environmental Monitoring Spectrometer (GEMS) is scheduled in early 2020 to support public service and science related to air quality and climate by providing diurnal variation of concentrations of trace gases and aerosols with high spatial/temporal resolution over Asian region. We will introduce GEMS validation methodology in parallel with a strategy for integration of existed independent measurements like as low-orbit satellite, ground-based remote sensing, and ambient surface observation data. As collections of nearly real-time and quality-assured data from existing ground-based networks are still in great needs for GEMS validation, efforts to expand observational infra-structure have been going on. Currently, two PANDORA instruments started to be in operation at Seoul and Ulsan in Korea, and PANDORA Asian Network initiated by NIER, Korea will be expanded into South East Asian region beyond Korea, China and Japan in addition. In this study, we especially try to validate the initial L2 product of GEMS gathered during IOT period by utilizing PANDORA data and other ground remote sensing data as well so that availability and feasibility of those ground observations could be assessed for GEMS validation.

 

Keywords: GEMS validation, ground-based remote sensing data, PANDORA

How to cite: Bae, K., Song, C.-K., Park, S.-S., Kim, S.-W., Kim, J., Lee, C.-S., Yoon, J.-M., and Chang, L.: Validation of GEMS L2 products using ground-based remote sensing data including PANDORA measurements, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-20978, https://doi.org/10.5194/egusphere-egu2020-20978, 2020.