气象锋槽影响下Sea Level宇宙射线强度的昼夜变化
The Day-night Variation of Cosmic Rays Instensity at Sea Level Under the Influence of Meteorological Fronts and Troughs
摘要：
用简易G-M计数望远镜观测了海平面宇宙射线强度的昼夜变化。我们对观测站进行了昼夜两次5小时计数，发现其变化规律与大气扰动密切相关，特别是当观测站受到气象锋或槽的影响时。这些影响可能会持续数日，直至低压槽或锋面减弱为止。变化的模式可以与大气的0摄氏度水平的高度负相关。这与大气中的μ子衰变效应密切相关。这一现象有待于进一步研究，以便在天气预报中应用。
英文摘要：
The day-night variation of cosmic rays intensity at sea level has been observed by a simple G-M counter telescope. We preform two 5 hours counting during the day and night and find that the pattern of variation is closely related to the atmospheric disturbance, especially when the observation station is being affected by meterological front or trough. Such effects may lasts for a few days until the trough or fronts weakened. The pattern of variation may be negatively correlated to the altitude of the 0 degC level of the atmosphere. This is closely related to the muon decay effect in the atmosphere. The phenomenon should be further investigation for possible application in weather forecasting.
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