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An Assessment of Past and Future Droughts in North Korea Using Standardized Precipitation Evapotranspiration Index

  • Crisisonomy
  • Abbr : KRCEM
  • 2018, 14(2), pp.139-151
  • DOI : 10.14251/crisisonomy.2018.14.2.139
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general
  • Received : November 14, 2017
  • Accepted : January 17, 2018
  • Published : February 28, 2018

Kim Jin Hyuck 1 Suk Ho Lee 1 Kim Byung Sik 1

1강원대학교

Accredited

ABSTRACT

Due to recent climate change, rising temperatures and changes in rainfall patterns have increased the number of countries suffering from droughts and floods - water disasters - worldwide. The conventional drought analysis is based on the Standard Precipitation Index (SPI), which only reflects the amount of precipitation. However, the limitation of the Standard Precipitation Index is that it takes precipitation as an exclusive factor for drought analysis and does not provide a full representation of water balance such as precipitation and evapotranspiration, which are often influenced by climate variability. Therefore, the study used the Standardized Precipitation Evapotranspiration Index (SPEI) incorporating both rainfall and evapotranspiration in application for drought analysis in North Korea. The analysis result showed that drought would intensify in the years ahead due to rise in temperature and increased evapotranspiration in spite of increased precipitation.

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