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龙祠泉位于临汾城西南十多公里处的龙祠村西侧,该点属第四纪坡积物地带,西邻吕梁山脉,罗云山断层从此通过.该泉以群泉形式出露,常年温度17°土,水源以其泉西北大面积区域内降雨补给.临汾台设有1~#、2~#两个测水点,均为自流井,氡含量为8～9埃曼,使用FD—105仪器进行观测.临汾台自1971年设立水氡观测以来,资料连续性较好,而自74年以来由于观测人员稳定、取样时间固定,资料可信度大大提高.选用1~#井74年至今的观测资料,以水氡月均值为纵坐标,月份为横坐标作图(见图1).由图看出,多年来水氡变化具相同的变化形态,呈明显的正弦特征.1～3月份为高值段,尔后下降;7～9月份为低值段,尔后又上升.可见龙祠泉水氡具有明显的年变化形态.
Long Shicui is located to the west of Longci Village, more than 10 kilometers southwest of Linfen City, which belongs to Quaternary slope sediment area, west of Lvliang Mountain Range, through which the fault of Luo Yunshan passes. 17 ° of soil, water sources in its spring northwest area of rainfall recharge.Linfen station with 1 #, 2 ~ # two water points, are artesian wells, radon content of 8 to 9 Aman, the use of FD-105 Instruments have been observed.Linfen station since the establishment of water radon observations in 1971, the data continuity is good, but since 74 years due to the stability of the observer, sampling time is fixed, greatly enhance the credibility of the data.Use 1 # well 74 years so far Of the observed data, the monthly mean radon water as the vertical axis, the month for the abscissa plot (see Figure 1) .Figure shows that over the years with the same change in radon water, showing a significant sine characteristics.1 ~ 3 The month is the high value segment, and then declines; from July to September, it is the low value segment, and then rises again, which shows that the radon in the spring temple has obvious annual variation pattern.