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http://dx.doi.org/10.5389/KSAE.2011.53.3.075

Analysis of Relationship between Vegetation Indices and Crop Yield using KOMPSAT (KOreaMulti-Purpose SATellite)-2 Imagery and Field Investigation Data  

Lee, Ji-Wan (건국대학교 대학원 사회환경시스템공학과)
Park, Geun-Ae (건국대학교 대학원 사회환경시스템공학과)
Joh, Hyung-Kyung (건국대학교 대학원 사회환경시스템공학과)
Lee, Kyo-Ho (충북대학교 대학원 지역건설공학과)
Na, Sang-Il (충북대학교 대학원 지역건설공학과)
Park, Jong-Hwa (충북대학교 지역건설공학과)
Kim, Seong-Joon (건국대학교 사회환경시스템공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.53, no.3, 2011 , pp. 75-82 More about this Journal
Abstract
This study refers to the derivation of simple crop yield prediction equation by using KOMPSAT-2 derived vegetation index. For a 1.25 ha small farm area located in the middle part of South Korea, the KOMPSAT-2 panchromatic and multi-spectral images of 31th August 2008, 17th November 2008, and 10th September 2009 were used. The field spectral reflectance during growing period for the 6 crops (rice, potato, corn, red pepper, garlic, and bean) were measured using ground spectroradiometer and the yield was investigated. Among the 6 vegetation indices (VI), the NDVI and ARVI between measured and image derived showed high relationship with the coefficient of determination of 0.85 and 0.95 respectively. Using the 3 years field data, the NDVI and ARVI regression curves were derived, and the yields were tried to compare with the maximum VIs value.
Keywords
ARVI; crop yield; KOMPSAT-2; NDVI; vegetation index;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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