Ultraviolet and Visible Spectroscopy at McMurdo Station

这个项目是研究抗肿瘤药物的化学成分 平流层，重点关注那些化学成分 与每年春季臭氧消耗有关， 臭氧空洞 可见光和近紫外光谱将是 用于测量二氧化氮的总柱丰度， 对称二氧化氯、三氧化二氮和溴 南极洲麦克默多上空的一氧化碳。 日变化 这些化学品的变化在以下方面具有特别的价值： 了解造成臭氧的光化学过程 洞 此外，还有一种新颖的技术， 在日出和日落期间的光源将允许 垂直剖面测量以及光解率 快速反应的物种。 这项研究由NOAA Aeronomy Laboratory资助， 由NSF/DPP提供后勤支持。

This project is to study the chemistry of the antarctic stratosphere with a focus on those chemical constituents that are related to the annual springtime depletion of ozone, known as the ozone hole. Visible and near ultraviolet spectroscopy will be used to measure the total column abundances of nitrogen dioxide, symmetrical chlorine dioxide, nitrogen trioxide and bromine monoxide above McMurdo, Antarctica. The variation of the diurnal variation of these chemicals is of particular value in understanding the photochemical processes that cause the ozone hole. In addition, a novel technique that uses the moon as a light source during times of sunrise and sunset will allow the measurement of vertical profiles and also the rate of photolysis of fast reacting species. This research is funded by the NOAA Aeronomy Laboratory with logistical support provided by NSF/DPP.