Heavy Ozone Enrichments from ATMOS Infrared Solar Spectra
Heavy Ozone Enrichments from ATMOS Infrared Solar Spectra
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ATMOS 红外太阳光谱中的重度臭氧富集
DOI：
10.1029/96gl01695
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发表时间：
1996
影响因子：
5.2
通讯作者：
A. Goldman
中科院分区：
文献类型：
--
作者：
F. Irion;M. Gunson;C. Rinsland;Y. Yung;M. Abrams;A. Chang;A. Goldman
平流层^（16）O^（16）O ^（18）O和^（16）O^（18）O^（16）O的垂直富集分布（以下分别称为^（668）O_3和^（686）O_3）是由ATMOS以0.01 cm^（-1）分辨率记录的天基掩星光谱导出的（大气痕量分子光谱学）傅里叶变换红外光谱仪。在Spacelab 3和ATLAS-1，-2和-3航天飞机任务期间进行的观测，覆盖了26至2.6 mb（25至41 km）之间的极地，中纬度和热带地区。以^（48）O_3分子密度计，平均富集率为：^（668）O_3（15±6）%，^（686）O_3（10±7）%。将^（50）O_3的混合比定义为^（668）O_3和^（686）O_3的混合比之和，发现^（50）O_3的富集率为（13±5）%（1σ标准差）。没有发现纬度或垂直梯度超出这个标准差。根据加州桌山（34.4°N）ATMOS仪器的一系列地面测量结果，测得总柱^（668）O_3浓度的平均值为（17±4）%（1σ标准差），没有明显的季节变化。可能的偏见，影响绝对富集测定的光谱强度进行了讨论。
Vertical enrichment profiles of stratospheric ^(16)O^(16)O^(18)O and ^(16)O^(18)O^(16)O (hereafter referred to as ^(668)O_3 and ^(686)O_3 respectively) have been derived from space-based solar occultation spectra recorded at 0.01 cm^(−1) resolution by the ATMOS (Atmospheric Trace MOlecule Spectroscopy) Fourier-transform infrared (FTIR) spectrometer. The observations, made during the Spacelab 3 and ATLAS-1, -2, and -3 shuttle missions, cover polar, mid-latitude and tropical regions between 26 to 2.6 mb inclusive (≈ 25 to 41 km). Average enrichments, weighted by molecular ^(48)O_3 density, of (15±6)% were found for ^(668)O_3 and (10±7)% for ^(686)O_3. Defining the mixing ratio of ^(50)O_3 as the sum of those for ^(668)O_3 and ^(686)O_3, an enrichment of (13±5)% was found for ^(50)O_3 (1σ standard deviation). No latitudinal or vertical gradients were found outside this standard deviation. From a series of ground-based measurements by the ATMOS instrument at Table Mountain, California (34.4°N), an average total column ^(668)O_3 enrichment of (17±4)% (1σ standard deviation) was determined, with no significant seasonal variation discernable. Possible biases in the spectral intensities that affect the determination of absolute enrichments are discussed.