MEASUREMENTS OF H2O2 DURING WATOX-86

被引:25
作者
Heikes, B. [1 ]
Walega, J. [1 ]
Kok, G. [1 ]
Lind, J. [1 ]
Lazrus, A. [1 ]
机构
[1] Natl Ctr Atmospher Res, Boulder, CO USA
基金
美国国家科学基金会;
关键词
D O I
10.1029/GB002i001p00057
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Measurements of gas phase H2O2 were made on all Western Atlantic Ocean Experiment 1986 (WATOX-86) flights aboard the National Oceanic and Atmospheric Administration (NOAA) WP-3D aircraft. These were some of the first airborne real-time H2O2 measurements made in winter. Operation of the instru-ment was limited to altitude < 3.1 km with a detection limit, determined by interference considerations, of 0.05 parts per billion by volume (ppbv), 10% calibration accuracy and 0.03-ppbv precision. Experimental measurements showed the mean H2O2 to be 0.12 ppbv (standard deviation = 0.07, maximum = 1.2 ppbv). Vertical structure was observed with maximum H2O2 above the cloud-capped marine boundary layer. Boundary layer H2O2 was typically at or below the detection limit.
引用
收藏
页码:57 / 61
页数:5
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