WEI Fan,LI Chao.Study on the Method of Setting Up Limited Flying area ofThunderstorm by Using Weather Radar Information[J].Journal of Chengdu University of Information Technology,2018,(02):205-211.[doi:10.16836/j.cnki.jcuit.2018.02.016]
利用气象雷达信息划设雷暴飞行限制区的方法研究
- Title:
- Study on the Method of Setting Up Limited Flying area ofThunderstorm by Using Weather Radar Information
- 文章编号:
- 2096-1618(2018)02-0205-07
- Keywords:
- meteorology; applied Meteorology; weather radar; thunderstorms; flight restrictions; GIS tools
- 分类号:
- P415.2
- 文献标志码:
- A
- 摘要:
- 雷暴区域一直是飞行的禁区,为了飞行安全必须有效避开雷暴区域,因此雷暴区域的划设方法一直以来是研究的重点。为了科学合理地划设雷暴影响区域,以西安2017年5月2日的一次雷暴为例,利用多普勒天气雷达资料并结合GIS工具ArcMap强大的空间分析功能用最小凸多边形的方法划设雷暴影响区域,计算其几何中心,划设安全余度区域,最后得到飞行限制区,以此来指导飞行决策。这种方法比之前划设雷暴区的方法更简便直观,对分析雷暴的轨迹及其影响区域从而指导飞行决策具有重要意义。
- Abstract:
- The thunderstorm area has been a restricted area for flying and flight safety, the thunderstorm area must be effectively avoided. The setting method of thunderstorm area has been the focus of research. In order to scientifically and reasonably delimit the influence area of thunderstorm, this paper takes a thunderstorm at in Xi’an in May 2, 2017 as an example. Based on the Doppler weather radar data and the powerful spatial analysis function of GIS tool ArcMap, we calculated the influence area of thunderstorm by the minimum convex polygon method, calculated the geometric center, designated regional safety degree, and finally the flight restricted zone can be obtained in order to guide the flight decision. This method is simpler and more intuitive than the method of setting up a thunderstorm area before. It is very important to analyze the trajectory of thunderstorm and its influence area so as to guide the decision of flight.
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备注/Memo
收稿日期:2017-07-12基金项目:中国民用航空局民航安全能力建设基金资助项目(2014020841); 国家公益性(气象)行业科研专项资助项目(GYHY201306044)。