The Brewer reference triad

被引:72
作者
Fioletov, VE [1 ]
Kerr, JB [1 ]
McElroy, CT [1 ]
Wardle, DI [1 ]
Savastiouk, V [1 ]
Grajnar, TS [1 ]
机构
[1] Environm Canada, Toronto, ON M3H 5T4, Canada
关键词
D O I
10.1029/2005GL024244
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
It has been more than 20 years since the Brewer reference triad was established by Environment Canada at Toronto. The triad serves as a reference for traveling standard instruments that are used to calibrate Brewer spectrophotometers around the world. The members of the triad are calibrated on a regular basis at Mauna Loa, Hawaii. Regular tests made with an internal quartz halogen lamp make it possible to track the instrument response between the calibrations. A new analysis of available column ozone data records indicates that the uncertainty in the daily values derived from each instrument is approximately 0.6%. The random errors of individual observations are within +/-1% for 90% of all measurements. Sources of potential errors in the individual Brewer measurements as well as quality control tools are also discussed.
引用
收藏
页码:1 / 4
页数:4
相关论文
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