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First results of cloud retrieval from the Geostationary Environmental Monitoring Spectrometer

Title
First results of cloud retrieval from the Geostationary Environmental Monitoring Spectrometer
Authors
KimBo-RamGyuyeonChoMinjeongChoiYong-SangJhoon
Ewha Authors
최용상
SCOPUS Author ID
최용상scopus
Issue Date
2024
Journal Title
Atmospheric Measurement Techniques
ISSN
1867-1381JCR Link
Citation
Atmospheric Measurement Techniques vol. 17, no. 2, pp. 453 - 470
Publisher
Copernicus Publications
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
This paper introduces a cloud retrieval algorithm for the Geostationary Environmental Monitoring Spectrometer (GEMS), the first environmental geostationary orbit satellite, and validates its cloud products by comparing them with those produced by other instruments (OMI, TROPOMI, AMI, and CALIOP). The GEMS cloud products are corrected for the impact of clouds on the retrieval of atmospheric components using the O2-O2 absorption band to retrieve the effective cloud fraction and cloud centroid pressure. The performance of the GEMS cloud retrieval algorithm was similar to that of the OMI. We analyzed the cloud retrieval characteristics for air pollution, typhoons, and sea fog in the East Asian region to evaluate whether GEMS cloud data can accurately represent various cloud features. Also, we evaluated the accuracy of the cloud retrieval algorithm through monthly validation for 2 years. The validation results provide a basis for future improvements of the GEMS cloud retrieval algorithm. © 2024 Bo-Ram Kim et al.
DOI
10.5194/amt-17-453-2024
Appears in Collections:
공과대학 > 기후에너지시스템공학과 > Journal papers
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