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Preliminary Results of the Ground-Based Orographic Snow Enhancement Experiment for the Easterly Cold Fog (Cloud) at Daegwallyeong during the 2006 Winter


doi: 10.1007/s00376-009-0222-x

  • The snow enhancement experiments, carried out by injecting AgI and water vapor into orographically enhanced clouds (fog), have been conducted to confirm Li and Pitter's forced condensation process in a natural situation. Nine ground-based experiments have been conducted at Daegwallyeong in the Taebaek Mountains for the easterly foggy days from January--February 2006. We then obtained the optimized conditions for the Daegwallyeong region as follows: the small seeding rate (1.04 g min-1) of AgI for the easterly cold fog with the high humidity of Gangneung. Additional experiments are needed to statistically estimate the snowfall increment caused by the small AgI seeding into the orographical fog (cloud) over the Taebaek Mountains.
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Manuscript History

Manuscript received: 10 March 2009
Manuscript revised: 10 March 2009
通讯作者: 陈斌, bchen63@163.com
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Preliminary Results of the Ground-Based Orographic Snow Enhancement Experiment for the Easterly Cold Fog (Cloud) at Daegwallyeong during the 2006 Winter

  • 1. National Institute of Meteorological Research, Seoul 156--720, South Korea;
  • 2. Korea Meteorological Administration, Seoul \zipcode{156--720}, South Korea;
  • 3. Department of Atmospheric Sciences, Yonsei University, Seoul 120--749, South Korea;
  • 4. Korea Meteorological Administration, Seoul 156--720, South Korea;
  • 5. Department of Physics, Pukyong National University, Busan 608--387, South Korea;

Abstract: The snow enhancement experiments, carried out by injecting AgI and water vapor into orographically enhanced clouds (fog), have been conducted to confirm Li and Pitter's forced condensation process in a natural situation. Nine ground-based experiments have been conducted at Daegwallyeong in the Taebaek Mountains for the easterly foggy days from January--February 2006. We then obtained the optimized conditions for the Daegwallyeong region as follows: the small seeding rate (1.04 g min-1) of AgI for the easterly cold fog with the high humidity of Gangneung. Additional experiments are needed to statistically estimate the snowfall increment caused by the small AgI seeding into the orographical fog (cloud) over the Taebaek Mountains.

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