Model Analysis of Radar Echo Split Observed in an Artificial Cloud Seeding Experiment
An artificial cloud seeding experiment was performed over the Japan Sea in winter to show how massive seeding could be effective to mitigate heavy snowfall damage.The results showed that 20 min after cloud seeding,a portion of the radar echo beneath the seeding track was weakened to divide the radar...
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| Veröffentlicht in: | Acta meteorologica Sinica 2016-06, Vol.30 (3), p.386-400 |
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| creator | Masaki, Shimada Kikuro, Tomine Koji, Nishiyama |
| description | An artificial cloud seeding experiment was performed over the Japan Sea in winter to show how massive seeding could be effective to mitigate heavy snowfall damage.The results showed that 20 min after cloud seeding,a portion of the radar echo beneath the seeding track was weakened to divide the radar echo into two parts.In order to analyze the results,a numerical simulation was conducted by using the Weather Research and Forecasting model verion 3.5.1.In this simulation,the seeding effects were represented as phenomena capable of changing rain particles by accreting cloud ice and snow to form graupel particles and by changing cloud liquid water to snow particles.The graupel particles fell rapidly,thus temporarily intensifying the rainfall,which subsequently decreased.Therefore,the weakened radar echo in the field experiment is deemed to have been caused by the increase in rapidly falling graupel particles. |
| doi_str_mv | 10.1007/s13351-016-5053-y |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Atmospheric Protection/Air Quality Control/Air Pollution Atmospheric Sciences Earth and Environmental Science Earth Sciences Geophysics and Environmental Physics Marine Meteorology 人工 分裂 实验 播种效果 数值模拟 模型分析 观测 雷达回波 |
| title | Model Analysis of Radar Echo Split Observed in an Artificial Cloud Seeding Experiment |
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