Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Assessment of the Extreme 2014~2015 Drought Events in North Korea Using Weekly Standardized Precipitation Evapotranspiration Index (SPEI)

주단위 표준강수증발산지수를 활용한 2014~2015년 북한의 극한 가뭄 평가

  • Nam, Won-Ho (Department of Bioresources and Rural Systems Engineering, Hankyong National University) ;
  • Hong, Eun-Mi (USDA-ARS Environmental Microbial & Food Safety Laboratory, Beltsville Agricultural Research Center) ;
  • Choi, Jin-Yong (Department of Rural Systems Engineering and Research Institute for Agriculture & Life Sciences, Seoul National University) ;
  • Kim, Taegon (Institute on the Environment, University of Minnesota) ;
  • Hayes, Michael J. (National Drought Mitigation Center, School of Natural Resources, University of Nebraska-Lincoln) ;
  • Svoboda, Mark D. (National Drought Mitigation Center, School of Natural Resources, University of Nebraska-Lincoln)
  • Received : 2016.11.23
  • Accepted : 2017.07.18
  • Published : 2017.07.31
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Abstract

North Korea is one of the high vulnerable countries facing the threat of natural disaster and has experienced more frequent disasters in recent years. These disasters have significantly led to food shortages and large reductions in crop yields. In 2015, both North Korean officials and international agencies had identified the extreme drought event, the worst in one hundred years according to the North Korean government. The objective of this study was an assessment of the extreme drought events in 2014~2015, and to apply climatic drought indices for drought monitoring in North Korea. Characteristics of the extreme drought in North Korea are examined by using the weekly-based Standardized Precipitation Evapotranspiration Index (SPEI). The drought characteristics illustrated by the SPEI results are compared with a Standardized Precipitation Index (SPI) results and drought impact information to understand how these indices can explain the drought conditions within the country. These results demonstrated that the SPEI could be an effective tool to provide improved spatial and temporal drought conditions to inform management decisions for drought policy.

Keywords

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