TUNABLE DIODE-LASER MEASUREMENTS OF TRACE GASES DURING THE 1988 POLARSTERN CRUISE AND INTERCOMPARISONS WITH OTHER METHODS

被引：25

作者：

HARRIS, GW ^{[1
]}

KLEMP, D ^{[1
]}

ZENKER, T ^{[1
]}

BURROWS, JP ^{[1
]}

MATHIEU, B ^{[1
]}

机构：

[1] MAX PLANCK INST CHEM, W-6500 MAINZ, GERMANY

来源：

JOURNAL OF ATMOSPHERIC CHEMISTRY | 1992年 / 15卷 / 3-4期

关键词：

TUNABLE DIODE LASERS; ATMOSPHERIC TRACE GASES; NITROGEN DIOXIDE; HYDROGEN PEROXIDE; FORMALDEHYDE; MARITIME BOUNDARY LAYER; MEASUREMENT INTERCOMPARISONS;

D O I：

10.1007/BF00115401

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 NO2, HCHO, and H2O were made by the highly specific method of mid infra-red absorption spectroscopy using tunable diode lasers (TDLAS) during the 1988 Polarstern expedition. The TDLAS data are compared to those obtained during the cruise using less direct methods. Southern Hemisphere NO2 levels suggest nett photochemical destruction of O3 in the boundary layer. Northern Hemisphere HCHO averaged 0.47 +/- 0.2 ppbv; the HCHO measurements are used in a simple calculation to estimate OH noontime maxima of 3-6 x 10(6) cm-3.

引用

页码：315 / 326

页数：12

共 23 条

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