Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Application of Meteorological Drought Indices for North Korea

북한지역에 대한 기상학적 가뭄지수의 적용

  • 남원호 (서울대학교 생태조경.지역시스템공학부 대학원) ;
  • 유승환 (서울대학교 생태조경.지역시스템공학부 대학원) ;
  • 장민원 (경상대학교 지역환경기반공학과) ;
  • 최진용 (서울대학교 생태조경.지역시스템공학부 대학원)
  • Published : 2008.05.31
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Abstract

North Korea is one of the vulnerable countries facing the threat of a drought, so that it is unavoidable to experience fatal damage when drought is occurred, and it is necessary to improve the drought response capability of water resources systems. However, it is still difficult to find research efforts for drought characteristics and drought management in North Korea. This study is to quantify drought duration and magnitude and to analyze drought characteristics in North Korea. In order to quantitatively identify historical drought conditions and to evaluate their variability, drought indices are commonly used. In this study, drought indices including dry-day index, deciles of normal precipitation, Phillips drought index, standardized precipitation index and Palmer drought severity index are calculated and compared monthly using the weather data for the twenty one meteorological stations in North Korea. The indices compared with the drought damage records that have reported from 1990 to present to understand how the indices can explain the drought. A comparative study was also conducted to evaluate the relative severity of the significant droughts occurred during 2000 and 2001 which were reported as the worst drought in North Korea. Drought indices calculated from this study demonstrated that those can be the effective tools in quantitatively evaluating drought severity and measures of drought. Thus it is recommended the distributed trend of drought be considered when the plan or measures for drought in North Korea are established.

Keywords

References

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  1. Agricultural Drought Risk Assessment using Reservoir Drought Index vol.55, pp.3, 2013, https://doi.org/10.5389/KSAE.2013.55.3.041
  2. Assessment of the Impact of Climate Change on Drought Characteristics in the Hwanghae Plain, North Korea Using Time Series SPI and SPEI: 1981–2100 vol.9, pp.8, 2017, https://doi.org/10.3390/w9080579
  3. Analysis of Drought Intensity and Trends Using the Modified SPEI in South Korea from 1981 to 2010 vol.10, pp.3, 2018, https://doi.org/10.3390/w10030327
  4. Investigation of drought-vulnerable regions in North Korea using remote sensing and cloud computing climate data vol.190, pp.3, 2018, https://doi.org/10.1007/s10661-018-6466-0