Observation of Trace Gases in the Antarctic Stratosphere

南极平流层痕量气体的观测

• 批准号: 8713780
• 负责人: Robert de Zafra
• 金额: --
• 依托单位: SUNY at Stony Brook
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-07-01 至 1988-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8713780&HistoricalAwards=false
• 关键词: Observation; Trace; Gases; Antarctic; Stratosphere

This project is an important part of the National Ozone Expedition (NOZE-2). The stratospheric column density, and to some extent the vertical profile, of the important gases (O3) Ozone, (ClO) Clorine Monoxide and (N2O) Nitrous Oxide are measured by detecting their molecular microwave emissions. The proposers were participants in the NOZE-I in 1986 and successfully measured ozone, ClO and N2O. Their finding that N2O was at very low concentrations inside of the ozone hole was unanticipated by any of the models that have been developed to explain the depletion of ozone, and the measurement needs to be made again. They were also successful in detecting ClO in large quantities below 20km altitude, but they were unable to determine the amount present. For NOZE-2, the instrument will be modified by doubling the bandwidth in an attempt to make a more quantitative measurement of ClO concentration.

该项目是国家臭氧考察（NOZE-2）的重要组成部分。 通过检测分子微波发射来测量重要气体 (O3) 臭氧、(ClO) 一氧化氯和 (N2O) 一氧化二氮的平流层柱密度以及一定程度的垂直剖面。 提案者是1986年NOZE-I的参与者，并成功测量了臭氧、ClO和N2O。 他们发现臭氧空洞内的 N2O 浓度非常低，这是任何为解释臭氧消耗而开发的模型都没有预料到的，因此需要重新进行测量。 他们还成功地在 20 公里高度以下检测到大量 ClO，但无法确定其含量。 对于 NOZE-2，仪器将通过加倍带宽进行修改，以尝试对 ClO 浓度进行更定量的测量。