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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국기상학회 Asia-Pacific Journal of Atmospheric Sciences Asia-Pacific Journal of Atmospheric Sciences Vol.45 No.3
발행연도
수록면
331 - 346 (16page)

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초록· 키워드

Effective Drought Index (EDI) and change-point analysis have revealed two characteristics of summer drought in Korea. First, summer drought has been mitigated since 1997, and second, this weakness is related to an increase in spring sea ice in the North Pacific region. When sea ice in the North Pacific during spring is greater than usual, the cold flow moving south from the North Pacific increases. Because of this, air temperature and sea surface temperature anomalies become negative in the region of East Asia. If this situation continues to summer, summer drought occurs. In this case, western north Pacific high becomes weakened, and thus summer monsoon does not develop in East Asia, and the tropical cyclone (TC) track changes, thereby the frequency of its reaching the Korean Peninsula decreases.
#Effective drought index #change-point analysis #summer drought #sea ice #tropical cyclone
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목차

  1. Abstract
  2. 1. Introduction
  3. 2. Data and methods
  4. 3. Regime shift in 1997
  5. 4. Difference between drought and non-drought years
  6. 5. Predictability of summer drought in Korea
  7. 6. Summary and discussions
  8. Acknowledgments
  9. REFERENCES

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