Tipping-bucket rain gauges (TBRGs) are widely used globally to record rainfall amounts over nominated accumulation durations such as 15-minute rainfall, hourly rainfall, and daily rainfall. To reduce the under-estimation of rainfall amounts that results from high rates of inflow to the tipping buckets in intense rainfall, small syphons are commonly installed between the rain-collecting funnel and the bucket mechanism. The syphon is designed to regulate the inflow, reducing the systematic error inherent in the basic TBRG mechanism.

中文翻译：

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翻斗式雨量计中的虹吸管：它们如何影响从翻斗间时间得出的降雨强度估计？


翻斗式雨量计 (TBRG) 在全球范围内广泛使用，用于记录指定累积持续时间内的降雨量，例如 15 分钟降雨量、每小时降雨量和每日降雨量。为了减少强降雨时翻斗入水率过高造成的降雨量低估，通常在集雨漏斗和翻斗机构之间安装小型虹吸管。虹吸管旨在调节流入量，减少基本 TBRG 机制固有的系统误差。