DOI QR코드

DOI QR Code

Evaluation of Agro-Climatic Indices under Climate Change

기후변화에 따른 농업기후지수의 평가

  • Published : 2008.12.30

Abstract

The increase in average air temperature over the past 100 years in northern Asia including Korea is the greatest (about ${1.5}^{\circ}C$) among the various regions of the world. Considering a further warming projected by the IPCC, fluctuations of agro-climatic indices under climate change must precede an evaluation of vulnerability. The purpose of this study is to analyze how climate changes represented by global warming have altered agro-climatic indices in Korea over various time scales. Drought index during the rice-transplanting period of 15 May to 5 June has changed toward the favorable with recently increased precipitation in the Taebaek Alpine and Semi-Alpine Zone, and Yeongnam Basin and Inland Zone. The frequency of low temperature occurrence below $13^{\circ}C$ during the rice transplanting has decreased, while climatic production index (CPI) has fallen because of the decreased sunshine hour and increased temperature during the rice ripening period. We therefore concluded that the recent change of climate conditions was against the rice productivity in Korea.

지난 46년간(1961-2007년) 연도별 겨울철의 평균기온을 분석한 결과, 1980년 후반부터 겨울철 고온화 현상이 뚜렷이 관측되었다. 그리고 연도별 이상기상의 발생 현황도 1988년을 기점으로 뚜렷한 차이를 나타내었는데, 그 이전에는 이상저온의 발생이 상대적으로 많았으나, 그 이후에는 이상고온이 훨씬 많이 발생한 것으로 조사되었다(농촌진흥청, 2007). 따라서 최근 지구온난화에 따른 기상환경의 변화가 우리나라의 농업기후자원량에 미친 영향을 벼 작물을 기준으로 조사하였다. 벼 이앙기의 한발지수는 강수량의 증가로, 태백고냉 및 준고냉지, 그리고 영남내륙 산간 및 분지지역을 중심으로 개선되고 있으나, 근래에 증가한 강수량에 비해서 개선 폭은 다소 적은 편이었다. 최근 우리나라의 벼 이앙기의 저온 출현위험도는 전국적으로 낮아진 것으로 조사되었지만, 벼 등숙기간의 일조시간 감소와 기온상승으로 기후생산력지수는 오히려 낮아져, 우리나라 주변의 최근 기상환경이 벼 생산성에는 불리하게 작용하는 것으로 분석되었다. 또한, 최근 벼 출수기의 출현날짜가 늦춰지는 것으로 조사됨에 따라, 벼 이앙 시기의 재조정 등 작부체계 개선이 요구된다.

Keywords

References

  1. 농촌진흥청, 1986: 한국의 농업기후특징과 수도기상재해대책. 194pp.
  2. 농촌진흥청, 2007: 기후변화 대응 농업환경 영향평가 및 적응대책. 68pp.
  3. Barnes, S. L., 1964: A technique for maximizing details in numerical weather map analysis. Journal of Applied Meteorology 3, 396-409 https://doi.org/10.1175/1520-0450(1964)003<0396:ATFMDI>2.0.CO;2
  4. Choi, D. H. and S. H. Yun, 1989: Agro climatic zone and characters of the area subject to climatic disaster in Korea. Korean Journal of Crop Science 34 (s02), 13-33. (in Korean with English abstract)

Cited by

  1. Construction of Agricultural Meteorological Data by the New Climate Change Scenario for Forecasting Agricultural Disaster - For 111 Agriculture Major Station - vol.55, pp.6, 2013, https://doi.org/10.5389/KSAE.2013.55.6.087
  2. The Development of Estimation Model (AFKAE0.5) for Water Balance and Soil Water Content Using Daily Weather Data vol.45, pp.6, 2012, https://doi.org/10.7745/KJSSF.2012.45.6.1203
  3. Evaluation of Agro-Climatic Index Using Multi-Model Ensemble Downscaled Climate Prediction of CMIP5 vol.17, pp.2, 2015, https://doi.org/10.5532/KJAFM.2015.17.2.108
  4. Effect of Elevated CO2Concentration and Temperature on the Growth and Ecophysiological Responses of Ginseng (Panax ginseng C. A. Meyer) vol.57, pp.2, 2012, https://doi.org/10.7740/kjcs.2012.57.2.106
  5. Agro-climate changes over Northeast Asia in RCP scenarios simulated by WRF vol.36, pp.3, 2016, https://doi.org/10.1002/joc.4423
  6. Change of Climatic Productivity Index for Rice under Recent Climate Change in Korea vol.16, pp.4, 2014, https://doi.org/10.5532/KJAFM.2014.16.4.384
  7. Potential Changes in the Distribution of Seven Agricultural Indicator Plant Species in Response to Climate Change at Agroecosystem in South Korea. vol.51, pp.3, 2018, https://doi.org/10.11614/KSL.2018.51.3.221