Heliocentric potential (HCP) prediction model for nowscast of aviation radiation dose

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It is well known that the space radiation dose over the polar route should be carefully considered especially when the space weather shows sudden disturbances such as CME and flares. The National Meteorological Satellite Center (NMSC) and Korea Astronomy and Space Science Institute (KASI) recently established a basis for a space radiation service for the public by developing a space radiation prediction model and heliocentric potential (HCP) prediction model. The HCP value is used as a critical input value of the CARI-6 and CARI-6M programs, which estimate the aviation route dose. The CARI-6/6M is the most widely used and confidential program that is officially provided by the U.S. Federal Aviation Administration (FAA). The HCP value is given one month late in the FAA official webpage, making it difficult to obtain real-time information on the aviation route dose. In order to overcome this limitation regarding time delay, we developed a HCP prediction model based on the sunspot number variation. In this paper, we focus on the purpose and process of our HCP prediction model development. Finally, we find the highest correlation coefficient of 0.9 between the monthly sunspot number and the HCP value with an eight month time shift. © The Korean Space Science Society.
Publisher
KOREAN SPACE SCIENCE SOC
Issue Date
2015-03
Language
English
Article Type
Article
Citation

JOURNAL OF ASTRONOMY AND SPACE SCIENCE, v.32, no.1, pp.39 - 44

ISSN
2093-5587
DOI
10.5140/JASS.2015.32.1.39
URI
http://hdl.handle.net/10203/207211
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