rain density

The temporal pattern of Prunus mongolica Maxim seed rain density exhibits no significant difference between July 2007 and July 2008.

蒙古扁桃的种子雨强度时间格局，2007年与2008年蒙古扁桃的种子雨强度无明显差异。

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It needs to compile the rainstorm density formula in single recurrence interval, when inquiring into the rainstorm density formula of the urban rainwater drainage system by the rainfall data recoded by self-recording rain gauge.

利用自计雨量计记录的降雨资料，推求城市雨水排水系统暴雨强度公式时，需要编制单一重现期暴雨强度公式。

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There is a lot of rain between June and July, so soil moisture fluctuation frequently. Step into September to the corn harvest period, soil moisture is in smooth gradual cut phase. Planting density has a certain influence on distribution of soil water storage area.

6-7月份降水量集中，土壤含水量波动频繁，进入9月份以后到玉米收获期间，田间土壤含水量变化呈逐渐平稳消减阶段；种植密度对土壤储水区的分布有一定影响。

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Analysis indicates that the difference is mainly determined by the spatial density of the rain gauge distribution. The correlation coefficient is higher than 0.7 when the number of rain gauges in each grid is over 6.

对两种降水资料差异原因的分析结果表明，地面雨量计空间分布密度是影响两者差异的决定性因素，当格点内雨量计超过6个时，两者的相关系数大于0.7。

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