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为进一步探究织金洞CO_2浓度空间迁移变化特征,以2015年“五一”“十一”两次昼夜连续监测为基础,运用IDW插值法,对比分析其在旅游淡旺季期间不同时段的空间变化,得出以下结论:(1)织金洞的CO_2浓度变化具有明显的分段变化特征,洞口带和内部带分别代表垂直和水平方向上的波动,内部带以#21为分界,通过水平对流扩散或累积,使CO_2浓度最大值往前半段平移;(2)织金洞CO_2浓度变化同时受洞腔结构等环境因子、季节变化和游客活动的影响,以“五一”“十一”两个时间段为分界的累积效应表明,游客活动大于季节变化的影响强度。
In order to further explore the characteristics of spatial variation of CO_2 concentration in Zhijindong Cave, based on two consecutive day and night monitoring of “51” and “11” in 2015, the IDW interpolation method was used to compare the differences during the tourism peak season (1) The variation of CO_2 concentration in Zhijindong Cave has a obvious segmental variation. The hole-hole band and the internal band respectively represent vertical and horizontal fluctuations, and the internal band is bounded by # 21 (2) The change of CO_2 concentration in Zhijin Cave was affected by the environmental factors such as the cavity structure, the seasonal variation and the tourist activities, with “51” The cumulative effect of the two time periods as a boundary indicates that the tourist activity is greater than the intensity of the seasonal change.