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http://dx.doi.org/10.5532/KJAFM.2017.19.3.140

Decoupling of the Spatiotemporal Pattern of Agricultural Drought from that of Meteorological Drought in Korea  

Kim, Dae-jun (National Center for Agro-Meteorology, Seoul National University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.19, no.3, 2017 , pp. 140-152 More about this Journal
Abstract
The Korea Meteorological Administration (KMA) regularly publishes various drought indices. However, most of these are meteorological drought indices that are not only difficult but often inappropriate to apply to agriculture. In this study, the meteorological drought index and the agricultural drought index were calculated for the representative points of South Korea during the same period, and the differences in geographical distribution were analyzed according to the characteristics of drought. Although the overall drought patterns estimated by multiple drought indices were similar, the differences were also confirmed due to the different simulation methods depending on the character of drought. Especially, agricultural drought index (ADI) showed higher accuracy in the agricultural sector than that of meteorological drought index (e.g., SPI, PN). In addition, the drought patterns in recent years analyzed by ADI were more severe in spring and early summer compared with normal year. In autumn and winter, drought was weaker than normal year. For the recent periods, inland areas had more droughts than coastal areas. Considering the specific drought indices for the individual sectors, it will be helpful to take measures against drought according to the individual characteristics.
Keywords
Meteorological drought; Agricultural drought; ADI; SPI; PN;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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