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인공증우(설) 항공실험 분석 : 2019년 국제공동연구를 대상으로
구정모(Ku, Jung Mo),고아름(Ko, A-Reum),채상희(Chae, Sanghee),황현준(Hwang, Hyun Jun),노용훈(Ro, Yonghun),정운선(Jung, Woonseon) 한국방재학회 2020 한국방재학회논문집 Vol.20 No.6
본 연구에서는 항공기를 이용하여 수행된 인공증우(설) 국제공동연구(International Joint Cloud Observation and Weather Control Experiment 2019, IJCO-WCE 2019) 사례를 레이더 자료, 지상관측소 자료, 수치 모의 자료, 항공 관측 자료를 이용하여 인공증우(설) 효과를 분석하였다. 시딩 물질의 확산을 수치 모의한 결과, 시딩 물질은 항공기로 관측된 풍향과 일치한 방향으로 확산한것으로 나타났다. 항공기 관측자료를 분석한 결과에서는 구름 입자의 평균수농도와 강수 입자가 시딩 중보다 시딩 후에증가한 것을 확인할 수 있었다. 구름 입자 측정기(Cloud Droplet Probe, CDP)로 관측된 구름의 평균수농도는 시딩 중보다시딩 후에 약 59% 증가하였고, 구름 영상 측정기(Cloud Imaging Probe, CIP)로 관측된 구름의 평균수농도는 약 82% 증가하였다. 아울러 강수 입자 측정기(Precipitation Imaging Probe, PIP)로 관측된 강수 입자는 시딩 중에는 거의 관측되지 않았지만 시딩후에 관측됐다. In this study, an international joint cloud seeding experiment (International Joint Cloud Observation and Weather Control Experiment 2019, IJCO-WCE 2019) by aircraft was analyzed using numerical simulations, ground observation data, and aircraft observation data. As a result of numerical simulations, it was found that the seeding material was diffused in a direction consistent with the wind direction observed by the aircraft. Further, aircraft observation data showed an increase in average water concentration of clouds and precipitation particles after seeding rather than during seeding. The average water concentration of clouds observed by the Cloud Droplet Probe (CDP) increased by about 59% after seeding than during seeding, and that observed by the Cloud Imaging Probe (CIP) increased by about 82%. In addition, precipitation particles observed by the Precipitation Imaging Probe (PIP) were hardly noticed during seeding, but appeared after seeding.
차주완,김부요,노용훈,고아름,김선희,박동오,박지만,구해정,장기호,이용희,김수종,Joo Wan Cha,Bu-Yo Kim,Miloslav Belorid,Yonghun Ro,A-Reum Ko,Sun Hee Kim,Dong-Ho Park,Ji Man Park,Hae Jung Koo,Ki-Ho Chang,Hong Hee Lee,Soojong Kim 한국기상학회 2024 대기 Vol.34 No.2
The National Institute of Meteorological Sciences in Korea has developed the Weather Modification Hybrid Rocket (WMHR), an advanced system that offers enhanced stability and cost-effectiveness over conventional solid-fuel rockets. Designed for precise operation, the WMHR enables accurate control over the ejection altitude of pyrotechnics by modulating the quantity of oxidizer, facilitating specific cloud seeding at various atmospheric layers. Furthermore, the rate of descent for pyrotechnic devices can be adjusted by modifying parachute sizes, allowing for controlled dispersion time and concentration of seeding agents. The rocket's configuration also supports adjustments in the pyrotechnic device's capacity, permitting tailored seeding agent deployment. This innovation reflects significant technical progression and collaborations with local manufacturers, in addition to efforts to secure testing sites and address hybrid rocket production challenges. Notable outcomes of this project include the creation of a national framework for weather modification technology utilizing hybrid rockets, enhanced cloud seeding methods, and the potential for broader meteorological application of hybrid rockets beyond precipitation augmentation. An illustrative case study confirmed the WMHR's operational effectiveness, although the impact on cloud seeding was limited by unfavorable weather conditions. This experience has provided valuable insights and affirmed the system's potential for varied uses, such as weather modification and deploying high-altitude meteorological sensors. Nevertheless, the expansion of civilian weather rocket experiments in Korea faces challenges due to inadequate infrastructure and regulatory limitations, underscoring the urgent need for advancements in these areas.
대설관측실험(Experiment on Snow Storms At Yeongdong: ESSAY) 기간 중 두 제조사 라디오존데 기온과 습도 센서 상호 비교
서원석(Won-Seok Seo),은승희(Seung-Hee Eun),김병곤(Byung-Gon Kim),성대경(Dae-Kyeong Seong),이규민(Gyu-Min Lee),전혜림(Hye-Rim Jeon),최병철(Byoung-Cheol Choi),고아름(A-reum Ko),장기호(Ki-Ho Chang),양승구(Seung-Gu Yang) 한국기상학회 2016 대기 Vol.26 No.2