Cede Alexander, Luccini Eduardo, Nuñez Liliana, Piacentini Rubén D, Blumthaler Mario
Institute for Medical Physics, University of Innsbruck, Austria.
Appl Opt. 2002 Oct 20;41(30):6341-50. doi: 10.1364/ao.41.006341.
The erythemal radiometers of the Ultraviolet Monitoring Network of the Argentine Servicio Meteorológico Nacional were calibrated in an extensive in situ campaign from October 1998 to April 1999 with Austrian reference instruments. Methods to correct the influence of the location's horizon and long-term detector changes are applied. The different terms that contribute to the measurement uncertainty are analyzed. The expanded uncertainty is estimated to be +/- 10% at 70 degrees solar zenith angle (SZA) and +/-6% for a SZA of <50 degrees. We observed significant changes for some detectors over hours and days, reaching a maximum diurnal drift of +/-5% at a SZA of 70 degrees and a maximum weekly variation of +/-4%.
阿根廷国家气象服务局紫外线监测网络的红斑辐射计，在1998年10月至1999年4月期间，使用奥地利参考仪器进行了一次广泛的现场校准。采用了校正地点地平线影响和探测器长期变化的方法。分析了导致测量不确定度的不同因素。估计在太阳天顶角（SZA）为70度时，扩展不确定度为±10%；对于SZA小于50度的情况，扩展不确定度为±6%。我们观察到一些探测器在数小时和数天内有显著变化，在SZA为70度时，最大日漂移达到±5%，最大周变化为±4%。
