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http://dx.doi.org/10.7780/kjrs.2017.33.5.2.4

Distribution of Agro-climatic Indices in Agro-climatic Zones of Northeast China Area between 2011 and 2016  

Jung, Myung-Pyo (Climate Change & Agroecology Division, Department of National Institute of Agricultural Sciences, Rural Development Administration)
Park, Hye-Jin (Division of Earth Environment Systems, Pusan National University)
Ahn, Joong-Bae (Division of Earth Environment Systems, Pusan National University)
Publication Information
Korean Journal of Remote Sensing / v.33, no.5_2, 2017 , pp. 641-645 More about this Journal
Abstract
This study was conducted to compare three agro-climatic indices among 22 agro-climatic zones in Northeast China area. Meteorological data produced by NASA (MERRA-2) was used to calculate growing degree days (GDD), frost free period (FFP), and growth season length (GSL) at this study sites. The three indices did not differ among 6 years (2011-2016). However, they showed statistical spatial difference among agro-climatic zones. The GDD ranged between $531.7^{\circ}C{\cdot}day$ (zone 22) and $1650.6^{\circ}C{\cdot}day$ (zone 1). The range of the FFP was from 141.5 day (zone 22) to 241.7 day (zone 1). And the GSL showed spatial distribution between 125.1 day (zone 22) and 217.9 day (zone 1).
Keywords
Agro-climatic indices; Agro-climatic zones; Northeast China area; MERRA-2;
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Times Cited By KSCI : 3  (Citation Analysis)
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