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

최근 6년간 중국 동북지역의 농업기후지대별 농업기후지수의 분포

  • 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)
  • 정명표 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 박혜진 (부산대학교 대기과학과) ;
  • 안중배 (부산대학교 대기과학과)
  • Received : 2017.09.06
  • Accepted : 2017.09.20
  • Published : 2017.10.30

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).

본 연구는 중국 동북지역의 22개 농업기후지대별로 유효적산온도(GDD), 무상기간(FFP) 작물생육 기간(GSL) 등 3가지 농업기후지수를 비교하기 위해 수행되었다. 농업기후지수는 NASA의 MERRA-2 기상 자료를 이용하여 계산하였다. 분석결과 모든 농업기후지수는 연도별로 유의한 차이는 보이지 않았다. 하지만 농업기후지대별로는 유의한 차이를 보였다. GDD는 지역별로 531.7-1650.6 도일의 범위를 보였으며, FFP는 141.5-241.7일의 범위를 나타내었다. 그리고 GSL은 125.1-217.9일의 공간적 분포를 보였다.

Keywords

References

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