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http://dx.doi.org/10.5532/KJAFM.2021.23.1.82

Sun-induced Fluorescence Data: Case of the Rice Paddy Field in Naju  

Ryu, Jae-Hyun (Department of Applied Plant Science, Chonnam National University)
Jang, Seon Woong (IREMTECH, Co., Ltd)
Kim, Hyunki (Department of Applied Plant Science, Chonnam National University)
Moon, Hyun-Dong (Department of Applied Plant Science, Chonnam National University)
Sin, Seo-Ho (Food Crop Research Center, Agricultural Research & Extension Services)
Lee, Yang-Won (Department of Spatial Information Engineering, Pukyong National University)
Cho, Jaeil (Department of Applied Plant Science, Chonnam National University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.23, no.1, 2021 , pp. 82-88 More about this Journal
Abstract
Sun-induced fluorescence (SIF) retrieval using remote sensing technique has been used in an effort to understand the photosynthetic efficiency and stress condition of vegetation. Although optical devices and SIF retrieval methodologies were established in order to retrieve SIF, the SIF measurements are domestically sparse. SIF data of paddy rice w as measured in Naju, South Korea from June 10, 2020 to October 5, 2020. The SIFs based red (O2A) and far-red (O2B) w ere retrieved using a spectral fitting method and an improved Fraunhofer line depth, and photosynthetically active radiation was also produced. In addition, the SIF data was filtered considering solar zenith angle, saturation conditions, the rapid and sudden change of solar irradiance, and sun glint. The provided SIF data can help to understand a SIF product and the filtering method of SIF data can contribute to producing high-quality SIF data.
Keywords
Sun-induced fluorescence; Improved Fraunhofer line depth; Spectral fitting method; Paddy rice; FloX;
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