대기 (Atmosphere)

  • 제25권1호
  • /
  • Pages.129-140
  • /
  • 2015
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  • 1598-3560(pISSN)
  • /
  • 2288-3266(eISSN)
한국기상학회 (Korean Meteorological Society)
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한반도 및 동아시아 지역에서 조종사 보고 자료로 관측된 항공난류의 통계적 분석

A Statistical Analysis of Aviation Turbulence Observed in Pilot Report (PIREP) over East Asia Including South Korea

  • Lee, Dan-Bi (Department of Atmospheric Sciences, Yonsei University) ;
  • Chun, Hye-Yeong (Department of Atmospheric Sciences, Yonsei University)
  • 투고 : 2014.12.08
  • 심사 : 2015.02.03
  • 발행 : 2015.03.31
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초록

The statistical analysis of aviation turbulence occurred over South Korea and East Asia regions is performed, using pilot reports (PIREPs) during December 2002~November 2012 that were provided by the Korea Aviation Meteorological Agency (KAMA) and the National Center for Atmospheric Research (NCAR). In South Korea, the light (LGT)- and moderate or greater (MOG)-level turbulence events occurred most frequently in spring and winter due to strong vertical wind shear below or above jet stream in these seasons. Spatially, the LGT- and MOG-level events occurred mainly along domestic flight routes. The higher occurrences of the LGT- and MOG-level convectively induced turbulence (CIT) events show in spring and summer when convective systems frequently affect the Korean peninsula. The results are generally similar to a previous study on the aviation turbulence over South Korea during 2003~2008, except that MOG-level CIT events occurred more in February, June, and October. Over East Asia region, the LGT- and MOG-level events appeared mostly in summer and spring, respectively, and the highest occurrence is over the southeast region of Japan and Kamchatka peninsula near Russia.

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피인용 문헌

  1. Aviation turbulence encounters detected from aircraft observations: spatiotemporal characteristics and application to Korean Aviation Turbulence Guidance vol.23, pp.4, 2016, https://doi.org/10.1002/met.1581
  2. Comparison of Turbulence Indicators Obtained from In Situ Flight Data vol.56, pp.6, 2017, https://doi.org/10.1175/JAMC-D-16-0291.1
  3. Development of Near-Cloud Turbulence Diagnostics Based on a Convective Gravity Wave Drag Parameterization vol.58, pp.8, 2019, https://doi.org/10.1175/JAMC-D-18-0300.1