摘要
用双通道自动测温表对台站用的百叶箱内外气温进行了同步比对测量与分析。指出自然通风时，百叶箱对箱内气温变化产生一定程度的滞后和热辐射作用。滞后作用较明显。
Using a two-channel intelligent instrument for temperature measurement, we compared the temperatures inside and outside the thermometer-screen of our weather station. Because of the lag and heat radiation effect of the thermometer screen when the temperature is measured,there is a difference between the temperatures inside and outside the screen,the maximum difference being 0.4℃ and the average difference being 0.2℃ under clear daytime conditions.
关键词
百叶箱
温度
测量
比对
Thermometer screen
temperature measurement
comparison
analysis
thermal hysteresis
heat radiation
